thodg/libgit2

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 3819547..fb5202f 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -11,21 +11,12 @@
 # Install:
 # > cmake --build . --target install
 
-PROJECT(libgit2 C)
 CMAKE_MINIMUM_REQUIRED(VERSION 3.5.1)
-CMAKE_POLICY(SET CMP0015 NEW)
-IF(POLICY CMP0051)
-	CMAKE_POLICY(SET CMP0051 NEW)
-ENDIF()
-IF(POLICY CMP0042)
-	CMAKE_POLICY(SET CMP0042 NEW)
-ENDIF()
-IF(POLICY CMP0054)
-	CMAKE_POLICY(SET CMP0054 NEW)
-ENDIF()
+
+project(libgit2 C)
 
 # Add find modules to the path
-SET(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${libgit2_SOURCE_DIR}/cmake/Modules/")
+set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${libgit2_SOURCE_DIR}/cmake/")
 
 INCLUDE(CheckLibraryExists)
 INCLUDE(CheckFunctionExists)
@@ -49,8 +40,6 @@ OPTION(THREADSAFE			"Build libgit2 as threadsafe"				 ON)
 OPTION(BUILD_CLAR			"Build Tests using the Clar suite"			 ON)
 OPTION(BUILD_EXAMPLES			"Build library usage example apps"			OFF)
 OPTION(BUILD_FUZZERS			"Build the fuzz targets"				OFF)
-OPTION(TAGS				"Generate tags"						OFF)
-OPTION(PROFILE				"Generate profiling information"			OFF)
 OPTION(ENABLE_TRACE			"Enables tracing support"				ON)
 OPTION(LIBGIT2_FILENAME			"Name of the produced binary"				OFF)
 OPTION(USE_SSH				"Link with libssh2 to enable SSH support"		 ON)
@@ -242,35 +231,27 @@ ELSE ()
 		ADD_DEFINITIONS(-D__USE_MINGW_ANSI_STDIO=1)
 	ENDIF ()
 
-	ENABLE_WARNINGS(documentation)
-	DISABLE_WARNINGS(missing-field-initializers)
-	ENABLE_WARNINGS(strict-aliasing)
-	ENABLE_WARNINGS(strict-prototypes)
-	ENABLE_WARNINGS(declaration-after-statement)
-	ENABLE_WARNINGS(shift-count-overflow)
-	ENABLE_WARNINGS(unused-const-variable)
-	ENABLE_WARNINGS(unused-function)
-	ENABLE_WARNINGS(int-conversion)
+	enable_warnings(documentation)
+	disable_warnings(documentation-deprecated-sync)
+	disable_warnings(missing-field-initializers)
+	enable_warnings(strict-aliasing)
+	enable_warnings(strict-prototypes)
+	enable_warnings(declaration-after-statement)
+	enable_warnings(shift-count-overflow)
+	enable_warnings(unused-const-variable)
+	enable_warnings(unused-function)
+	enable_warnings(int-conversion)
 
 	# MinGW uses gcc, which expects POSIX formatting for printf, but
 	# uses the Windows C library, which uses its own format specifiers.
 	# Disable format specifier warnings.
-	IF(MINGW)
-		DISABLE_WARNINGS(format)
-		DISABLE_WARNINGS(format-security)
-	ELSE()
-		ENABLE_WARNINGS(format)
-		ENABLE_WARNINGS(format-security)
-	ENDIF()
-
-	IF("${CMAKE_C_COMPILER_ID}" STREQUAL "Clang")
-		DISABLE_WARNINGS(documentation-deprecated-sync)
-	ENDIF()
-
-	IF (PROFILE)
-		SET(CMAKE_C_FLAGS "-pg ${CMAKE_C_FLAGS}")
-		SET(CMAKE_EXE_LINKER_FLAGS "-pg ${CMAKE_EXE_LINKER_FLAGS}")
-	ENDIF ()
+	if(MINGW)
+		disable_warnings(format)
+		disable_warnings(format-security)
+	else()
+		enable_warnings(format)
+		enable_warnings(format-security)
+	endif()
 ENDIF()
 
 # Ensure that MinGW provides the correct header files.
@@ -310,25 +291,6 @@ IF (BUILD_CLAR)
 	ADD_SUBDIRECTORY(tests)
 ENDIF ()
 
-IF (TAGS)
-	FIND_PROGRAM(CTAGS ctags)
-	IF (NOT CTAGS)
-		MESSAGE(FATAL_ERROR "Could not find ctags command")
-	ENDIF ()
-
-	FILE(GLOB_RECURSE SRC_ALL *.[ch])
-
-	ADD_CUSTOM_COMMAND(
-		OUTPUT tags
-		COMMAND ${CTAGS} -a ${SRC_ALL}
-		DEPENDS ${SRC_ALL}
-	)
-	ADD_CUSTOM_TARGET(
-		do_tags ALL
-		DEPENDS tags
-	)
-ENDIF ()
-
 IF (BUILD_EXAMPLES)
 	ADD_SUBDIRECTORY(examples)
 ENDIF ()
diff --git a/cmake/AddCFlagIfSupported.cmake b/cmake/AddCFlagIfSupported.cmake
new file mode 100644
index 0000000..b7aaa79
--- /dev/null
+++ b/cmake/AddCFlagIfSupported.cmake
@@ -0,0 +1,30 @@
+# - Append compiler flag to CMAKE_C_FLAGS if compiler supports it
+# ADD_C_FLAG_IF_SUPPORTED(<flag>)
+#  <flag> - the compiler flag to test
+# This internally calls the CHECK_C_COMPILER_FLAG macro.
+
+INCLUDE(CheckCCompilerFlag)
+
+MACRO(ADD_C_FLAG _FLAG)
+	STRING(TOUPPER ${_FLAG} UPCASE)
+	STRING(REGEX REPLACE "[-=]" "_" UPCASE_PRETTY ${UPCASE})
+	STRING(REGEX REPLACE "^_+" "" UPCASE_PRETTY ${UPCASE_PRETTY})
+	CHECK_C_COMPILER_FLAG(${_FLAG} IS_${UPCASE_PRETTY}_SUPPORTED)
+
+	IF(IS_${UPCASE_PRETTY}_SUPPORTED)
+		SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${_FLAG}")
+	ELSE()
+		MESSAGE(FATAL_ERROR "Required flag ${_FLAG} is not supported")
+	ENDIF()
+ENDMACRO()
+
+MACRO(ADD_C_FLAG_IF_SUPPORTED _FLAG)
+	STRING(TOUPPER ${_FLAG} UPCASE)
+	STRING(REGEX REPLACE "[-=]" "_" UPCASE_PRETTY ${UPCASE})
+	STRING(REGEX REPLACE "^_+" "" UPCASE_PRETTY ${UPCASE_PRETTY})
+	CHECK_C_COMPILER_FLAG(${_FLAG} IS_${UPCASE_PRETTY}_SUPPORTED)
+
+	IF(IS_${UPCASE_PRETTY}_SUPPORTED)
+		SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${_FLAG}")
+	ENDIF()
+ENDMACRO()
diff --git a/cmake/CheckPrototypeDefinition.c.in b/cmake/CheckPrototypeDefinition.c.in
new file mode 100644
index 0000000..a97344a
--- /dev/null
+++ b/cmake/CheckPrototypeDefinition.c.in
@@ -0,0 +1,29 @@
+@CHECK_PROTOTYPE_DEFINITION_HEADER@
+
+static void cmakeRequireSymbol(int dummy, ...) {
+  (void) dummy;
+}
+
+static void checkSymbol(void) {
+#ifndef @CHECK_PROTOTYPE_DEFINITION_SYMBOL@
+  cmakeRequireSymbol(0, &@CHECK_PROTOTYPE_DEFINITION_SYMBOL@);
+#endif
+}
+
+@CHECK_PROTOTYPE_DEFINITION_PROTO@ {
+  return @CHECK_PROTOTYPE_DEFINITION_RETURN@;
+}
+
+#ifdef __CLASSIC_C__
+int main() {
+  int ac;
+  char*av[];
+#else
+int main(int ac, char *av[]) {
+#endif
+  checkSymbol();
+  if (ac > 1000) {
+    return *av[0];
+  }
+  return 0;
+}
diff --git a/cmake/CheckPrototypeDefinition.cmake b/cmake/CheckPrototypeDefinition.cmake
new file mode 100644
index 0000000..244b9b5
--- /dev/null
+++ b/cmake/CheckPrototypeDefinition.cmake
@@ -0,0 +1,96 @@
+# - Check if the protoype we expect is correct.
+# check_prototype_definition(FUNCTION PROTOTYPE RETURN HEADER VARIABLE)
+#  FUNCTION - The name of the function (used to check if prototype exists)
+#  PROTOTYPE- The prototype to check.
+#  RETURN - The return value of the function.
+#  HEADER - The header files required.
+#  VARIABLE - The variable to store the result.
+# Example:
+#  check_prototype_definition(getpwent_r
+#   "struct passwd *getpwent_r(struct passwd *src, char *buf, int buflen)"
+#   "NULL"
+#   "unistd.h;pwd.h"
+#   SOLARIS_GETPWENT_R)
+# The following variables may be set before calling this macro to
+# modify the way the check is run:
+#
+#  CMAKE_REQUIRED_FLAGS = string of compile command line flags
+#  CMAKE_REQUIRED_DEFINITIONS = list of macros to define (-DFOO=bar)
+#  CMAKE_REQUIRED_INCLUDES = list of include directories
+#  CMAKE_REQUIRED_LIBRARIES = list of libraries to link
+
+#=============================================================================
+# Copyright 2005-2009 Kitware, Inc.
+# Copyright 2010-2011 Andreas Schneider <asn@cryptomilk.org>
+#
+# Distributed under the OSI-approved BSD License (the "License");
+# see accompanying file Copyright.txt for details.
+#
+# This software is distributed WITHOUT ANY WARRANTY; without even the
+# implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+# See the License for more information.
+#=============================================================================
+# (To distribute this file outside of CMake, substitute the full
+#  License text for the above reference.)
+#
+
+get_filename_component(__check_proto_def_dir "${CMAKE_CURRENT_LIST_FILE}" PATH)
+
+function(CHECK_PROTOTYPE_DEFINITION _FUNCTION _PROTOTYPE _RETURN _HEADER _VARIABLE)
+
+  if ("${_VARIABLE}" MATCHES "^${_VARIABLE}$")
+    set(CHECK_PROTOTYPE_DEFINITION_CONTENT "/* */\n")
+
+    set(CHECK_PROTOTYPE_DEFINITION_FLAGS ${CMAKE_REQUIRED_FLAGS})
+    if (CMAKE_REQUIRED_LIBRARIES)
+      set(CHECK_PROTOTYPE_DEFINITION_LIBS
+        "-DLINK_LIBRARIES:STRING=${CMAKE_REQUIRED_LIBRARIES}")
+    else(CMAKE_REQUIRED_LIBRARIES)
+      set(CHECK_PROTOTYPE_DEFINITION_LIBS)
+    endif(CMAKE_REQUIRED_LIBRARIES)
+    if (CMAKE_REQUIRED_INCLUDES)
+      set(CMAKE_SYMBOL_EXISTS_INCLUDES
+        "-DINCLUDE_DIRECTORIES:STRING=${CMAKE_REQUIRED_INCLUDES}")
+    else(CMAKE_REQUIRED_INCLUDES)
+      set(CMAKE_SYMBOL_EXISTS_INCLUDES)
+    endif(CMAKE_REQUIRED_INCLUDES)
+
+    foreach(_FILE ${_HEADER})
+      set(CHECK_PROTOTYPE_DEFINITION_HEADER
+        "${CHECK_PROTOTYPE_DEFINITION_HEADER}#include <${_FILE}>\n")
+    endforeach(_FILE)
+
+    set(CHECK_PROTOTYPE_DEFINITION_SYMBOL ${_FUNCTION})
+    set(CHECK_PROTOTYPE_DEFINITION_PROTO ${_PROTOTYPE})
+    set(CHECK_PROTOTYPE_DEFINITION_RETURN ${_RETURN})
+
+    configure_file("${__check_proto_def_dir}/CheckPrototypeDefinition.c.in"
+      "${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/CheckPrototypeDefinition.c" @ONLY)
+
+    file(READ ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/CheckPrototypeDefinition.c _SOURCE)
+
+    try_compile(${_VARIABLE}
+      ${CMAKE_BINARY_DIR}
+      ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/CheckPrototypeDefinition.c
+      COMPILE_DEFINITIONS ${CMAKE_REQUIRED_DEFINITIONS}
+      CMAKE_FLAGS -DCOMPILE_DEFINITIONS:STRING=${CHECK_PROTOTYPE_DEFINITION_FLAGS}
+      "${CHECK_PROTOTYPE_DEFINITION_LIBS}"
+      "${CMAKE_SYMBOL_EXISTS_INCLUDES}"
+      OUTPUT_VARIABLE OUTPUT)
+
+    if (${_VARIABLE})
+      set(${_VARIABLE} 1 CACHE INTERNAL "Have correct prototype for ${_FUNCTION}")
+      message(STATUS "Checking prototype ${_FUNCTION} for ${_VARIABLE} - True")
+      file(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeOutput.log
+        "Determining if the prototype ${_FUNCTION} exists for ${_VARIABLE} passed with the following output:\n"
+        "${OUTPUT}\n\n")
+    else (${_VARIABLE})
+      message(STATUS "Checking prototype ${_FUNCTION} for ${_VARIABLE} - False")
+      set(${_VARIABLE} 0 CACHE INTERNAL "Have correct prototype for ${_FUNCTION}")
+      file(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeError.log
+        "Determining if the prototype ${_FUNCTION} exists for ${_VARIABLE} failed with the following output:\n"
+        "${OUTPUT}\n\n${_SOURCE}\n\n")
+    endif (${_VARIABLE})
+  endif("${_VARIABLE}" MATCHES "^${_VARIABLE}$")
+
+endfunction(CHECK_PROTOTYPE_DEFINITION)
diff --git a/cmake/EnableWarnings.cmake b/cmake/EnableWarnings.cmake
new file mode 100644
index 0000000..b61ed7e
--- /dev/null
+++ b/cmake/EnableWarnings.cmake
@@ -0,0 +1,15 @@
+MACRO(ENABLE_WARNINGS flag)
+	ADD_C_FLAG_IF_SUPPORTED(-W${flag})
+ENDMACRO()
+
+MACRO(DISABLE_WARNINGS flag)
+	ADD_C_FLAG_IF_SUPPORTED(-Wno-${flag})
+ENDMACRO()
+
+IF(ENABLE_WERROR)
+	IF(MSVC)
+		ADD_COMPILE_OPTIONS(-WX)
+	ELSE()
+		ADD_C_FLAG_IF_SUPPORTED(-Werror)
+	ENDIF()
+ENDIF()
diff --git a/cmake/FindCoreFoundation.cmake b/cmake/FindCoreFoundation.cmake
new file mode 100644
index 0000000..191aa59
--- /dev/null
+++ b/cmake/FindCoreFoundation.cmake
@@ -0,0 +1,26 @@
+# Find CoreFoundation.framework
+# This will define :
+#
+# COREFOUNDATION_FOUND
+# COREFOUNDATION_LIBRARIES
+# COREFOUNDATION_LDFLAGS
+#
+
+FIND_PATH(COREFOUNDATION_INCLUDE_DIR NAMES CoreFoundation.h)
+FIND_LIBRARY(COREFOUNDATION_LIBRARIES NAMES CoreFoundation)
+IF (COREFOUNDATION_INCLUDE_DIR AND COREFOUNDATION_LIBRARIES)
+	IF (NOT CoreFoundation_FIND_QUIETLY)
+		MESSAGE(STATUS "Found CoreFoundation ${COREFOUNDATION_LIBRARIES}")
+	ENDIF()
+	SET(COREFOUNDATION_FOUND TRUE)
+	SET(COREFOUNDATION_LDFLAGS "-framework CoreFoundation")
+ENDIF ()
+
+IF (CoreFoundation_FIND_REQUIRED AND NOT COREFOUNDATION_FOUND)
+	MESSAGE(FATAL_ERROR "CoreFoundation not found")
+ENDIF()
+
+MARK_AS_ADVANCED(
+	COREFOUNDATION_INCLUDE_DIR
+	COREFOUNDATION_LIBRARIES
+)
diff --git a/cmake/FindGSSAPI.cmake b/cmake/FindGSSAPI.cmake
new file mode 100644
index 0000000..37357c4
--- /dev/null
+++ b/cmake/FindGSSAPI.cmake
@@ -0,0 +1,324 @@
+# - Try to find GSSAPI
+# Once done this will define
+#
+#  KRB5_CONFIG - Path to krb5-config
+#  GSSAPI_ROOT_DIR - Set this variable to the root installation of GSSAPI
+#
+# Read-Only variables:
+#  GSSAPI_FLAVOR_MIT - set to TURE if MIT Kerberos has been found
+#  GSSAPI_FLAVOR_HEIMDAL - set to TRUE if Heimdal Kerberos has been found
+#  GSSAPI_FOUND - system has GSSAPI
+#  GSSAPI_INCLUDE_DIR - the GSSAPI include directory
+#  GSSAPI_LIBRARIES - Link these to use GSSAPI
+#  GSSAPI_DEFINITIONS - Compiler switches required for using GSSAPI
+#
+#=============================================================================
+#  Copyright (c) 2013 Andreas Schneider <asn@cryptomilk.org>
+#
+#  Distributed under the OSI-approved BSD License (the "License");
+#  see accompanying file Copyright.txt for details.
+#
+#  This software is distributed WITHOUT ANY WARRANTY; without even the
+#  implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+#  See the License for more information.
+#=============================================================================
+#
+
+find_path(GSSAPI_ROOT_DIR
+    NAMES
+        include/gssapi.h
+        include/gssapi/gssapi.h
+    HINTS
+        ${_GSSAPI_ROOT_HINTS}
+    PATHS
+        ${_GSSAPI_ROOT_PATHS}
+)
+mark_as_advanced(GSSAPI_ROOT_DIR)
+
+if (UNIX)
+    find_program(KRB5_CONFIG
+        NAMES
+            krb5-config
+        PATHS
+            ${GSSAPI_ROOT_DIR}/bin
+            /opt/local/bin)
+    mark_as_advanced(KRB5_CONFIG)
+
+    if (KRB5_CONFIG)
+        # Check if we have MIT KRB5
+        execute_process(
+            COMMAND
+                ${KRB5_CONFIG} --vendor
+            RESULT_VARIABLE
+                _GSSAPI_VENDOR_RESULT
+            OUTPUT_VARIABLE
+                _GSSAPI_VENDOR_STRING)
+
+        if (_GSSAPI_VENDOR_STRING MATCHES ".*Massachusetts.*")
+            set(GSSAPI_FLAVOR_MIT TRUE)
+        else()
+            execute_process(
+                COMMAND
+                    ${KRB5_CONFIG} --libs gssapi
+                RESULT_VARIABLE
+                    _GSSAPI_LIBS_RESULT
+                OUTPUT_VARIABLE
+                    _GSSAPI_LIBS_STRING)
+
+            if (_GSSAPI_LIBS_STRING MATCHES ".*roken.*")
+                set(GSSAPI_FLAVOR_HEIMDAL TRUE)
+            endif()
+        endif()
+
+        # Get the include dir
+        execute_process(
+            COMMAND
+                ${KRB5_CONFIG} --cflags gssapi
+            RESULT_VARIABLE
+                _GSSAPI_INCLUDE_RESULT
+            OUTPUT_VARIABLE
+                _GSSAPI_INCLUDE_STRING)
+        string(REGEX REPLACE "(\r?\n)+$" "" _GSSAPI_INCLUDE_STRING "${_GSSAPI_INCLUDE_STRING}")
+        string(REGEX REPLACE " *-I" "" _GSSAPI_INCLUDEDIR "${_GSSAPI_INCLUDE_STRING}")
+    endif()
+
+    if (NOT GSSAPI_FLAVOR_MIT AND NOT GSSAPI_FLAVOR_HEIMDAL)
+        # Check for HEIMDAL
+        find_package(PkgConfig)
+        if (PKG_CONFIG_FOUND)
+            pkg_check_modules(_GSSAPI heimdal-gssapi)
+        endif (PKG_CONFIG_FOUND)
+
+        if (_GSSAPI_FOUND)
+            set(GSSAPI_FLAVOR_HEIMDAL TRUE)
+        else()
+            find_path(_GSSAPI_ROKEN
+                NAMES
+                    roken.h
+                PATHS
+                    ${GSSAPI_ROOT_DIR}/include
+                    ${_GSSAPI_INCLUDEDIR})
+            if (_GSSAPI_ROKEN)
+                set(GSSAPI_FLAVOR_HEIMDAL TRUE)
+            endif()
+        endif ()
+    endif()
+endif (UNIX)
+
+find_path(GSSAPI_INCLUDE_DIR
+    NAMES
+        gssapi.h
+        gssapi/gssapi.h
+    PATHS
+        ${GSSAPI_ROOT_DIR}/include
+        ${_GSSAPI_INCLUDEDIR}
+)
+
+if (GSSAPI_FLAVOR_MIT)
+    find_library(GSSAPI_LIBRARY
+        NAMES
+            gssapi_krb5
+        PATHS
+            ${GSSAPI_ROOT_DIR}/lib
+            ${_GSSAPI_LIBDIR}
+    )
+
+    find_library(KRB5_LIBRARY
+        NAMES
+            krb5
+        PATHS
+            ${GSSAPI_ROOT_DIR}/lib
+            ${_GSSAPI_LIBDIR}
+    )
+
+    find_library(K5CRYPTO_LIBRARY
+        NAMES
+            k5crypto
+        PATHS
+            ${GSSAPI_ROOT_DIR}/lib
+            ${_GSSAPI_LIBDIR}
+    )
+
+    find_library(COM_ERR_LIBRARY
+        NAMES
+            com_err
+        PATHS
+            ${GSSAPI_ROOT_DIR}/lib
+            ${_GSSAPI_LIBDIR}
+    )
+
+    if (GSSAPI_LIBRARY)
+        set(GSSAPI_LIBRARIES
+            ${GSSAPI_LIBRARIES}
+            ${GSSAPI_LIBRARY}
+        )
+    endif (GSSAPI_LIBRARY)
+
+    if (KRB5_LIBRARY)
+        set(GSSAPI_LIBRARIES
+            ${GSSAPI_LIBRARIES}
+            ${KRB5_LIBRARY}
+        )
+    endif (KRB5_LIBRARY)
+
+    if (K5CRYPTO_LIBRARY)
+        set(GSSAPI_LIBRARIES
+            ${GSSAPI_LIBRARIES}
+            ${K5CRYPTO_LIBRARY}
+        )
+    endif (K5CRYPTO_LIBRARY)
+
+    if (COM_ERR_LIBRARY)
+        set(GSSAPI_LIBRARIES
+            ${GSSAPI_LIBRARIES}
+            ${COM_ERR_LIBRARY}
+        )
+    endif (COM_ERR_LIBRARY)
+endif (GSSAPI_FLAVOR_MIT)
+
+if (GSSAPI_FLAVOR_HEIMDAL)
+    find_library(GSSAPI_LIBRARY
+        NAMES
+            gssapi
+        PATHS
+            ${GSSAPI_ROOT_DIR}/lib
+            ${_GSSAPI_LIBDIR}
+    )
+
+    find_library(KRB5_LIBRARY
+        NAMES
+            krb5
+        PATHS
+            ${GSSAPI_ROOT_DIR}/lib
+            ${_GSSAPI_LIBDIR}
+    )
+
+    find_library(HCRYPTO_LIBRARY
+        NAMES
+            hcrypto
+        PATHS
+            ${GSSAPI_ROOT_DIR}/lib
+            ${_GSSAPI_LIBDIR}
+    )
+
+    find_library(COM_ERR_LIBRARY
+        NAMES
+            com_err
+        PATHS
+            ${GSSAPI_ROOT_DIR}/lib
+            ${_GSSAPI_LIBDIR}
+    )
+
+    find_library(HEIMNTLM_LIBRARY
+        NAMES
+            heimntlm
+        PATHS
+            ${GSSAPI_ROOT_DIR}/lib
+            ${_GSSAPI_LIBDIR}
+    )
+
+    find_library(HX509_LIBRARY
+        NAMES
+            hx509
+        PATHS
+            ${GSSAPI_ROOT_DIR}/lib
+            ${_GSSAPI_LIBDIR}
+    )
+
+    find_library(ASN1_LIBRARY
+        NAMES
+            asn1
+        PATHS
+            ${GSSAPI_ROOT_DIR}/lib
+            ${_GSSAPI_LIBDIR}
+    )
+
+    find_library(WIND_LIBRARY
+        NAMES
+            wind
+        PATHS
+            ${GSSAPI_ROOT_DIR}/lib
+            ${_GSSAPI_LIBDIR}
+    )
+
+    find_library(ROKEN_LIBRARY
+        NAMES
+            roken
+        PATHS
+            ${GSSAPI_ROOT_DIR}/lib
+            ${_GSSAPI_LIBDIR}
+    )
+
+    if (GSSAPI_LIBRARY)
+        set(GSSAPI_LIBRARIES
+            ${GSSAPI_LIBRARIES}
+            ${GSSAPI_LIBRARY}
+        )
+    endif (GSSAPI_LIBRARY)
+
+    if (KRB5_LIBRARY)
+        set(GSSAPI_LIBRARIES
+            ${GSSAPI_LIBRARIES}
+            ${KRB5_LIBRARY}
+        )
+    endif (KRB5_LIBRARY)
+
+    if (HCRYPTO_LIBRARY)
+        set(GSSAPI_LIBRARIES
+            ${GSSAPI_LIBRARIES}
+            ${HCRYPTO_LIBRARY}
+        )
+    endif (HCRYPTO_LIBRARY)
+
+    if (COM_ERR_LIBRARY)
+        set(GSSAPI_LIBRARIES
+            ${GSSAPI_LIBRARIES}
+            ${COM_ERR_LIBRARY}
+        )
+    endif (COM_ERR_LIBRARY)
+
+    if (HEIMNTLM_LIBRARY)
+        set(GSSAPI_LIBRARIES
+            ${GSSAPI_LIBRARIES}
+            ${HEIMNTLM_LIBRARY}
+        )
+    endif (HEIMNTLM_LIBRARY)
+
+    if (HX509_LIBRARY)
+        set(GSSAPI_LIBRARIES
+            ${GSSAPI_LIBRARIES}
+            ${HX509_LIBRARY}
+        )
+    endif (HX509_LIBRARY)
+
+    if (ASN1_LIBRARY)
+        set(GSSAPI_LIBRARIES
+            ${GSSAPI_LIBRARIES}
+            ${ASN1_LIBRARY}
+        )
+    endif (ASN1_LIBRARY)
+
+    if (WIND_LIBRARY)
+        set(GSSAPI_LIBRARIES
+            ${GSSAPI_LIBRARIES}
+            ${WIND_LIBRARY}
+        )
+    endif (WIND_LIBRARY)
+
+    if (ROKEN_LIBRARY)
+        set(GSSAPI_LIBRARIES
+            ${GSSAPI_LIBRARIES}
+            ${WIND_LIBRARY}
+        )
+    endif (ROKEN_LIBRARY)
+endif (GSSAPI_FLAVOR_HEIMDAL)
+
+include(FindPackageHandleStandardArgs)
+find_package_handle_standard_args(GSSAPI DEFAULT_MSG GSSAPI_LIBRARIES GSSAPI_INCLUDE_DIR)
+
+if (GSSAPI_INCLUDE_DIRS AND GSSAPI_LIBRARIES)
+    set(GSSAPI_FOUND TRUE)
+endif (GSSAPI_INCLUDE_DIRS AND GSSAPI_LIBRARIES)
+
+# show the GSSAPI_INCLUDE_DIRS and GSSAPI_LIBRARIES variables only in the advanced view
+mark_as_advanced(GSSAPI_INCLUDE_DIRS GSSAPI_LIBRARIES)
diff --git a/cmake/FindGSSFramework.cmake b/cmake/FindGSSFramework.cmake
new file mode 100644
index 0000000..dcf7249
--- /dev/null
+++ b/cmake/FindGSSFramework.cmake
@@ -0,0 +1,28 @@
+# Find GSS.framework
+# This will define :
+#
+# GSSFRAMEWORK_FOUND
+# GSSFRAMEWORK_INCLUDE_DIR
+# GSSFRAMEWORK_LIBRARIES
+# GSSFRAMEWORK_LDFLAGS
+#
+
+FIND_PATH(GSSFRAMEWORK_INCLUDE_DIR NAMES GSS.h)
+FIND_LIBRARY(GSSFRAMEWORK_LIBRARIES NAMES GSS)
+IF (GSSFRAMEWORK_INCLUDE_DIR AND GSSFRAMEWORK_LIBRARIES)
+	IF (NOT CoreFoundation_FIND_QUIETLY)
+		MESSAGE(STATUS "Found GSS.framework ${GSSFRAMEWORK_LIBRARIES}")
+	ENDIF()
+	SET(GSSFRAMEWORK_FOUND TRUE)
+	SET(GSSFRAMEWORK_LDFLAGS "-framework GSS")
+ENDIF ()
+
+IF (GSS_FIND_REQUIRED AND NOT GSSFRAMEWORK_FOUND)
+	MESSAGE(FATAL_ERROR "CoreFoundation not found")
+ENDIF()
+
+MARK_AS_ADVANCED(
+	GSSFRAMEWORK_INCLUDE_DIR
+	GSSFRAMEWORK_LIBRARIES
+	GSSFRAMEWORK_LDFLAGS
+)
diff --git a/cmake/FindHTTP_Parser.cmake b/cmake/FindHTTP_Parser.cmake
new file mode 100644
index 0000000..d92bf75
--- /dev/null
+++ b/cmake/FindHTTP_Parser.cmake
@@ -0,0 +1,39 @@
+# - Try to find http-parser
+#
+# Defines the following variables:
+#
+# HTTP_PARSER_FOUND - system has http-parser
+# HTTP_PARSER_INCLUDE_DIR - the http-parser include directory
+# HTTP_PARSER_LIBRARIES - Link these to use http-parser
+# HTTP_PARSER_VERSION_MAJOR - major version
+# HTTP_PARSER_VERSION_MINOR - minor version
+# HTTP_PARSER_VERSION_STRING - the version of http-parser found
+
+# Find the header and library
+FIND_PATH(HTTP_PARSER_INCLUDE_DIR NAMES http_parser.h)
+FIND_LIBRARY(HTTP_PARSER_LIBRARY NAMES http_parser libhttp_parser)
+
+# Found the header, read version
+if (HTTP_PARSER_INCLUDE_DIR AND EXISTS "${HTTP_PARSER_INCLUDE_DIR}/http_parser.h")
+	FILE(READ "${HTTP_PARSER_INCLUDE_DIR}/http_parser.h" HTTP_PARSER_H)
+	IF (HTTP_PARSER_H)
+		STRING(REGEX REPLACE ".*#define[\t ]+HTTP_PARSER_VERSION_MAJOR[\t ]+([0-9]+).*" "\\1" HTTP_PARSER_VERSION_MAJOR "${HTTP_PARSER_H}")
+		STRING(REGEX REPLACE ".*#define[\t ]+HTTP_PARSER_VERSION_MINOR[\t ]+([0-9]+).*" "\\1" HTTP_PARSER_VERSION_MINOR "${HTTP_PARSER_H}")
+		SET(HTTP_PARSER_VERSION_STRING "${HTTP_PARSER_VERSION_MAJOR}.${HTTP_PARSER_VERSION_MINOR}")
+	ENDIF()
+	UNSET(HTTP_PARSER_H)
+ENDIF()
+
+# Handle the QUIETLY and REQUIRED arguments and set HTTP_PARSER_FOUND
+# to TRUE if all listed variables are TRUE
+INCLUDE(FindPackageHandleStandardArgs)
+FIND_PACKAGE_HANDLE_STANDARD_ARGS(HTTP_Parser REQUIRED_VARS HTTP_PARSER_INCLUDE_DIR HTTP_PARSER_LIBRARY)
+
+# Hide advanced variables
+MARK_AS_ADVANCED(HTTP_PARSER_INCLUDE_DIR HTTP_PARSER_LIBRARY)
+
+# Set standard variables
+IF (HTTP_PARSER_FOUND)
+	SET(HTTP_PARSER_LIBRARIES ${HTTP_PARSER_LIBRARY})
+	set(HTTP_PARSER_INCLUDE_DIRS ${HTTP_PARSER_INCLUDE_DIR})
+ENDIF()
diff --git a/cmake/FindIconv.cmake b/cmake/FindIconv.cmake
new file mode 100644
index 0000000..3c66cda
--- /dev/null
+++ b/cmake/FindIconv.cmake
@@ -0,0 +1,45 @@
+# - Try to find Iconv
+# Once done this will define
+#
+# ICONV_FOUND - system has Iconv
+# ICONV_INCLUDE_DIR - the Iconv include directory
+# ICONV_LIBRARIES - Link these to use Iconv
+#
+
+IF(ICONV_INCLUDE_DIR AND ICONV_LIBRARIES)
+	# Already in cache, be silent
+	SET(ICONV_FIND_QUIETLY TRUE)
+ENDIF()
+
+FIND_PATH(ICONV_INCLUDE_DIR iconv.h)
+CHECK_FUNCTION_EXISTS(iconv_open libc_has_iconv)
+FIND_LIBRARY(iconv_lib NAMES iconv libiconv libiconv-2 c)
+
+IF(ICONV_INCLUDE_DIR AND libc_has_iconv)
+	SET(ICONV_FOUND TRUE)
+	SET(ICONV_LIBRARIES "")
+	IF(NOT ICONV_FIND_QUIETLY)
+		MESSAGE(STATUS "Found Iconv: provided by libc")
+	ENDIF(NOT ICONV_FIND_QUIETLY)
+ELSEIF(ICONV_INCLUDE_DIR AND iconv_lib)
+	SET(ICONV_FOUND TRUE)
+	# split iconv into -L and -l linker options, so we can
+	# set them for pkg-config
+	GET_FILENAME_COMPONENT(iconv_path ${iconv_lib} PATH)
+	GET_FILENAME_COMPONENT(iconv_name ${iconv_lib} NAME_WE)
+	STRING(REGEX REPLACE "^lib" "" iconv_name ${iconv_name})
+	SET(ICONV_LIBRARIES "-L${iconv_path} -l${iconv_name}")
+
+	IF(NOT ICONV_FIND_QUIETLY)
+		MESSAGE(STATUS "Found Iconv: ${ICONV_LIBRARIES}")
+	ENDIF(NOT ICONV_FIND_QUIETLY)
+ELSE()
+	IF(Iconv_FIND_REQUIRED)
+		MESSAGE(FATAL_ERROR "Could not find Iconv")
+	ENDIF(Iconv_FIND_REQUIRED)
+ENDIF()
+
+MARK_AS_ADVANCED(
+	ICONV_INCLUDE_DIR
+	ICONV_LIBRARIES
+)
diff --git a/cmake/FindPCRE.cmake b/cmake/FindPCRE.cmake
new file mode 100644
index 0000000..74ed61e
--- /dev/null
+++ b/cmake/FindPCRE.cmake
@@ -0,0 +1,38 @@
+# Copyright (C) 2007-2009 LuaDist.
+# Created by Peter Kapec <kapecp@gmail.com>
+# Redistribution and use of this file is allowed according to the terms of the MIT license.
+# For details see the COPYRIGHT file distributed with LuaDist.
+#	Note:
+#		Searching headers and libraries is very simple and is NOT as powerful as scripts
+#		distributed with CMake, because LuaDist defines directories to search for.
+#		Everyone is encouraged to contact the author with improvements. Maybe this file
+#		becomes part of CMake distribution sometimes.
+
+# - Find pcre
+# Find the native PCRE headers and libraries.
+#
+# PCRE_INCLUDE_DIRS	- where to find pcre.h, etc.
+# PCRE_LIBRARIES	- List of libraries when using pcre.
+# PCRE_FOUND	- True if pcre found.
+
+# Look for the header file.
+FIND_PATH(PCRE_INCLUDE_DIR NAMES pcreposix.h)
+
+# Look for the library.
+FIND_LIBRARY(PCRE_LIBRARY NAMES pcre)
+FIND_LIBRARY(PCRE_POSIX_LIBRARY NAMES pcreposix)
+
+# Handle the QUIETLY and REQUIRED arguments and set PCRE_FOUND to TRUE if all listed variables are TRUE.
+INCLUDE(FindPackageHandleStandardArgs)
+FIND_PACKAGE_HANDLE_STANDARD_ARGS(PCRE DEFAULT_MSG PCRE_LIBRARY PCRE_POSIX_LIBRARY PCRE_INCLUDE_DIR)
+
+# Copy the results to the output variables.
+IF(PCRE_FOUND)
+	SET(PCRE_LIBRARIES ${PCRE_LIBRARY} ${PCRE_POSIX_LIBRARY})
+	SET(PCRE_INCLUDE_DIRS ${PCRE_INCLUDE_DIR})
+ELSE(PCRE_FOUND)
+	SET(PCRE_LIBRARIES)
+	SET(PCRE_INCLUDE_DIRS)
+ENDIF(PCRE_FOUND)
+
+MARK_AS_ADVANCED(PCRE_INCLUDE_DIRS PCRE_LIBRARIES)
diff --git a/cmake/FindPCRE2.cmake b/cmake/FindPCRE2.cmake
new file mode 100644
index 0000000..f8c5639
--- /dev/null
+++ b/cmake/FindPCRE2.cmake
@@ -0,0 +1,37 @@
+# Copyright (C) 2007-2009 LuaDist.
+# Created by Peter Kapec <kapecp@gmail.com>
+# Redistribution and use of this file is allowed according to the terms of the MIT license.
+# For details see the COPYRIGHT file distributed with LuaDist.
+#	Note:
+#		Searching headers and libraries is very simple and is NOT as powerful as scripts
+#		distributed with CMake, because LuaDist defines directories to search for.
+#		Everyone is encouraged to contact the author with improvements. Maybe this file
+#		becomes part of CMake distribution sometimes.
+
+# - Find pcre
+# Find the native PCRE2 headers and libraries.
+#
+# PCRE2_INCLUDE_DIRS	- where to find pcre.h, etc.
+# PCRE2_LIBRARIES	- List of libraries when using pcre.
+# PCRE2_FOUND	- True if pcre found.
+
+# Look for the header file.
+FIND_PATH(PCRE2_INCLUDE_DIR NAMES pcre2posix.h)
+
+# Look for the library.
+FIND_LIBRARY(PCRE2_LIBRARY NAMES pcre2-8)
+
+# Handle the QUIETLY and REQUIRED arguments and set PCRE2_FOUND to TRUE if all listed variables are TRUE.
+INCLUDE(FindPackageHandleStandardArgs)
+FIND_PACKAGE_HANDLE_STANDARD_ARGS(PCRE2 DEFAULT_MSG PCRE2_LIBRARY PCRE2_INCLUDE_DIR)
+
+# Copy the results to the output variables.
+IF(PCRE2_FOUND)
+	SET(PCRE2_LIBRARIES ${PCRE2_LIBRARY})
+	SET(PCRE2_INCLUDE_DIRS ${PCRE2_INCLUDE_DIR})
+ELSE(PCRE2_FOUND)
+	SET(PCRE2_LIBRARIES)
+	SET(PCRE2_INCLUDE_DIRS)
+ENDIF(PCRE2_FOUND)
+
+MARK_AS_ADVANCED(PCRE2_INCLUDE_DIRS PCRE2_LIBRARIES)
diff --git a/cmake/FindPkgLibraries.cmake b/cmake/FindPkgLibraries.cmake
new file mode 100644
index 0000000..49311c3
--- /dev/null
+++ b/cmake/FindPkgLibraries.cmake
@@ -0,0 +1,28 @@
+INCLUDE(FindPkgConfig)
+
+# This function will find and set up a pkg-config based module.
+# If a pc-file was found, it will resolve library paths to
+# absolute paths. Furthermore, the function will automatically
+# fall back to use static libraries in case no dynamic libraries
+# were found.
+FUNCTION(FIND_PKGLIBRARIES prefix package)
+	PKG_CHECK_MODULES(${prefix} ${package})
+	IF(NOT ${prefix}_FOUND)
+		RETURN()
+	ENDIF()
+
+	FOREACH(LIBRARY ${${prefix}_LIBRARIES})
+		FIND_LIBRARY(${LIBRARY}_RESOLVED ${LIBRARY} PATHS ${${prefix}_LIBRARY_DIRS})
+		IF(${${LIBRARY}_RESOLVED} STREQUAL "${LIBRARY}_RESOLVED-NOTFOUND")
+			MESSAGE(FATAL_ERROR "could not resolve ${LIBRARY}")
+		ENDIF()
+		LIST(APPEND RESOLVED_LIBRARIES ${${LIBRARY}_RESOLVED})
+	ENDFOREACH(LIBRARY)
+
+	SET(${prefix}_FOUND 1 PARENT_SCOPE)
+	SET(${prefix}_LIBRARIES ${RESOLVED_LIBRARIES} PARENT_SCOPE)
+	SET(${prefix}_INCLUDE_DIRS ${${prefix}_INCLUDE_DIRS} PARENT_SCOPE)
+	SET(${prefix}_LDFLAGS ${${prefix}_LDFLAGS} PARENT_SCOPE)
+
+	MESSAGE(STATUS "  Resolved libraries: ${RESOLVED_LIBRARIES}")
+ENDFUNCTION()
diff --git a/cmake/FindSecurity.cmake b/cmake/FindSecurity.cmake
new file mode 100644
index 0000000..a538c02
--- /dev/null
+++ b/cmake/FindSecurity.cmake
@@ -0,0 +1,28 @@
+# Find Security.framework
+# This will define :
+#
+# SECURITY_FOUND
+# SECURITY_LIBRARIES
+# SECURITY_LDFLAGS
+# SECURITY_HAS_SSLCREATECONTEXT
+#
+
+FIND_PATH(SECURITY_INCLUDE_DIR NAMES Security/Security.h)
+FIND_LIBRARY(SECURITY_LIBRARIES NAMES Security)
+IF (SECURITY_INCLUDE_DIR AND SECURITY_LIBRARIES)
+	IF (NOT Security_FIND_QUIETLY)
+		MESSAGE(STATUS "Found Security ${SECURITY_LIBRARIES}")
+	ENDIF()
+	SET(SECURITY_FOUND TRUE)
+	SET(SECURITY_LDFLAGS "-framework Security")
+	CHECK_LIBRARY_EXISTS("${SECURITY_LIBRARIES}" SSLCreateContext "Security/SecureTransport.h" SECURITY_HAS_SSLCREATECONTEXT)
+ENDIF ()
+
+IF (Security_FIND_REQUIRED AND NOT SECURITY_FOUND)
+	MESSAGE(FATAL_ERROR "Security not found")
+ENDIF()
+
+MARK_AS_ADVANCED(
+	SECURITY_INCLUDE_DIR
+	SECURITY_LIBRARIES
+)
diff --git a/cmake/FindStatNsec.cmake b/cmake/FindStatNsec.cmake
new file mode 100644
index 0000000..a4a09fa
--- /dev/null
+++ b/cmake/FindStatNsec.cmake
@@ -0,0 +1,26 @@
+INCLUDE(FeatureSummary)
+
+CHECK_STRUCT_HAS_MEMBER ("struct stat" st_mtim "sys/types.h;sys/stat.h"
+	HAVE_STRUCT_STAT_ST_MTIM LANGUAGE C)
+CHECK_STRUCT_HAS_MEMBER ("struct stat" st_mtimespec "sys/types.h;sys/stat.h"
+	HAVE_STRUCT_STAT_ST_MTIMESPEC LANGUAGE C)
+CHECK_STRUCT_HAS_MEMBER("struct stat" st_mtime_nsec sys/stat.h
+	HAVE_STRUCT_STAT_MTIME_NSEC LANGUAGE C)
+
+IF (HAVE_STRUCT_STAT_ST_MTIM)
+	CHECK_STRUCT_HAS_MEMBER("struct stat" st_mtim.tv_nsec sys/stat.h
+		HAVE_STRUCT_STAT_NSEC LANGUAGE C)
+ELSEIF (HAVE_STRUCT_STAT_ST_MTIMESPEC)
+	CHECK_STRUCT_HAS_MEMBER("struct stat" st_mtimespec.tv_nsec sys/stat.h
+		HAVE_STRUCT_STAT_NSEC LANGUAGE C)
+ELSE ()
+	SET( HAVE_STRUCT_STAT_NSEC ON )
+ENDIF()
+
+IF (HAVE_STRUCT_STAT_NSEC OR WIN32)
+	OPTION( USE_NSEC		"Care about sub-second file mtimes and ctimes"	ON  )
+ELSE()
+	SET(USE_NSEC OFF)
+ENDIF()
+
+ADD_FEATURE_INFO(nanoseconds USE_NSEC "whether to use sub-second file mtimes and ctimes")
diff --git a/cmake/FindmbedTLS.cmake b/cmake/FindmbedTLS.cmake
new file mode 100644
index 0000000..9329755
--- /dev/null
+++ b/cmake/FindmbedTLS.cmake
@@ -0,0 +1,93 @@
+# - Try to find mbedTLS
+# Once done this will define
+#
+# Read-Only variables
+#  MBEDTLS_FOUND - system has mbedTLS
+#  MBEDTLS_INCLUDE_DIR - the mbedTLS include directory
+#  MBEDTLS_LIBRARY_DIR - the mbedTLS library directory
+#  MBEDTLS_LIBRARIES - Link these to use mbedTLS
+#  MBEDTLS_LIBRARY - path to mbedTLS library
+#  MBEDX509_LIBRARY - path to mbedTLS X.509 library
+#  MBEDCRYPTO_LIBRARY - path to mbedTLS Crypto library
+#
+# Hint
+#  MBEDTLS_ROOT_DIR can be pointed to a local mbedTLS installation.
+
+SET(_MBEDTLS_ROOT_HINTS
+    ${MBEDTLS_ROOT_DIR}
+    ENV MBEDTLS_ROOT_DIR
+)
+
+SET(_MBEDTLS_ROOT_HINTS_AND_PATHS
+    HINTS ${_MBEDTLS_ROOT_HINTS}
+    PATHS ${_MBEDTLS_ROOT_PATHS}
+)
+
+FIND_PATH(MBEDTLS_INCLUDE_DIR
+    NAMES mbedtls/version.h
+    ${_MBEDTLS_ROOT_HINTS_AND_PATHS}
+    PATH_SUFFIXES include
+)
+
+IF(MBEDTLS_INCLUDE_DIR AND MBEDTLS_LIBRARIES)
+    # Already in cache, be silent
+    SET(MBEDTLS_FIND_QUIETLY TRUE)
+ENDIF()
+
+FIND_LIBRARY(MBEDTLS_LIBRARY
+    NAMES mbedtls libmbedtls
+    ${_MBEDTLS_ROOT_HINTS_AND_PATHS}
+    PATH_SUFFIXES library
+)
+FIND_LIBRARY(MBEDX509_LIBRARY
+    NAMES mbedx509 libmbedx509
+    ${_MBEDTLS_ROOT_HINTS_AND_PATHS}
+    PATH_SUFFIXES library
+)
+FIND_LIBRARY(MBEDCRYPTO_LIBRARY
+    NAMES mbedcrypto libmbedcrypto
+    ${_MBEDTLS_ROOT_HINTS_AND_PATHS}
+    PATH_SUFFIXES library
+)
+
+IF(MBEDTLS_INCLUDE_DIR AND MBEDTLS_LIBRARY AND MBEDX509_LIBRARY AND MBEDCRYPTO_LIBRARY)
+     SET(MBEDTLS_FOUND TRUE)
+ENDIF()
+
+IF(MBEDTLS_FOUND)
+    # split mbedTLS into -L and -l linker options, so we can set them for pkg-config
+    GET_FILENAME_COMPONENT(MBEDTLS_LIBRARY_DIR ${MBEDTLS_LIBRARY} PATH)
+    GET_FILENAME_COMPONENT(MBEDTLS_LIBRARY_FILE ${MBEDTLS_LIBRARY} NAME_WE)
+    GET_FILENAME_COMPONENT(MBEDX509_LIBRARY_FILE ${MBEDX509_LIBRARY} NAME_WE)
+    GET_FILENAME_COMPONENT(MBEDCRYPTO_LIBRARY_FILE ${MBEDCRYPTO_LIBRARY} NAME_WE)
+    STRING(REGEX REPLACE "^lib" "" MBEDTLS_LIBRARY_FILE ${MBEDTLS_LIBRARY_FILE})
+    STRING(REGEX REPLACE "^lib" "" MBEDX509_LIBRARY_FILE ${MBEDX509_LIBRARY_FILE})
+    STRING(REGEX REPLACE "^lib" "" MBEDCRYPTO_LIBRARY_FILE ${MBEDCRYPTO_LIBRARY_FILE})
+    SET(MBEDTLS_LIBRARIES "-L${MBEDTLS_LIBRARY_DIR} -l${MBEDTLS_LIBRARY_FILE} -l${MBEDX509_LIBRARY_FILE} -l${MBEDCRYPTO_LIBRARY_FILE}")
+
+    IF(NOT MBEDTLS_FIND_QUIETLY)
+        MESSAGE(STATUS "Found mbedTLS:")
+        FILE(READ ${MBEDTLS_INCLUDE_DIR}/mbedtls/version.h MBEDTLSCONTENT)
+        STRING(REGEX MATCH "MBEDTLS_VERSION_STRING +\"[0-9|.]+\"" MBEDTLSMATCH ${MBEDTLSCONTENT})
+        IF (MBEDTLSMATCH)
+            STRING(REGEX REPLACE "MBEDTLS_VERSION_STRING +\"([0-9|.]+)\"" "\\1" MBEDTLS_VERSION ${MBEDTLSMATCH})
+            MESSAGE(STATUS "  version ${MBEDTLS_VERSION}")
+        ENDIF(MBEDTLSMATCH)
+        MESSAGE(STATUS "  TLS: ${MBEDTLS_LIBRARY}")
+        MESSAGE(STATUS "  X509: ${MBEDX509_LIBRARY}")
+        MESSAGE(STATUS "  Crypto: ${MBEDCRYPTO_LIBRARY}")
+    ENDIF(NOT MBEDTLS_FIND_QUIETLY)
+ELSE(MBEDTLS_FOUND)
+    IF(MBEDTLS_FIND_REQUIRED)
+        MESSAGE(FATAL_ERROR "Could not find mbedTLS")
+    ENDIF(MBEDTLS_FIND_REQUIRED)
+ENDIF(MBEDTLS_FOUND)
+
+MARK_AS_ADVANCED(
+    MBEDTLS_INCLUDE_DIR
+    MBEDTLS_LIBRARY_DIR
+    MBEDTLS_LIBRARIES
+    MBEDTLS_LIBRARY
+    MBEDX509_LIBRARY
+    MBEDCRYPTO_LIBRARY
+)
diff --git a/cmake/IdeSplitSources.cmake b/cmake/IdeSplitSources.cmake
new file mode 100644
index 0000000..e2e09b4
--- /dev/null
+++ b/cmake/IdeSplitSources.cmake
@@ -0,0 +1,22 @@
+# This function splits the sources files up into their appropriate
+# subdirectories.  This is especially useful for IDEs like Xcode and
+# Visual Studio, so that you can navigate into the libgit2_clar project,
+# and see the folders within the tests folder (instead of just seeing all
+# source and tests in a single folder.)
+FUNCTION(IDE_SPLIT_SOURCES target)
+	IF(MSVC_IDE OR CMAKE_GENERATOR STREQUAL Xcode)
+		GET_TARGET_PROPERTY(sources ${target} SOURCES)
+		FOREACH(source ${sources})
+			IF(source MATCHES ".*/")
+				STRING(REPLACE ${libgit2_SOURCE_DIR}/ "" rel ${source})
+				IF(rel)
+					STRING(REGEX REPLACE "/([^/]*)$" "" rel ${rel})
+					IF(rel)
+						STRING(REPLACE "/" "\\\\" rel ${rel})
+						SOURCE_GROUP(${rel} FILES ${source})
+					ENDIF()
+				ENDIF()
+			ENDIF()
+		ENDFOREACH()
+	ENDIF()
+ENDFUNCTION()
diff --git a/cmake/Modules/AddCFlagIfSupported.cmake b/cmake/Modules/AddCFlagIfSupported.cmake
deleted file mode 100644
index b7aaa79..0000000
--- a/cmake/Modules/AddCFlagIfSupported.cmake
+++ /dev/null
@@ -1,30 +0,0 @@
-# - Append compiler flag to CMAKE_C_FLAGS if compiler supports it
-# ADD_C_FLAG_IF_SUPPORTED(<flag>)
-#  <flag> - the compiler flag to test
-# This internally calls the CHECK_C_COMPILER_FLAG macro.
-
-INCLUDE(CheckCCompilerFlag)
-
-MACRO(ADD_C_FLAG _FLAG)
-	STRING(TOUPPER ${_FLAG} UPCASE)
-	STRING(REGEX REPLACE "[-=]" "_" UPCASE_PRETTY ${UPCASE})
-	STRING(REGEX REPLACE "^_+" "" UPCASE_PRETTY ${UPCASE_PRETTY})
-	CHECK_C_COMPILER_FLAG(${_FLAG} IS_${UPCASE_PRETTY}_SUPPORTED)
-
-	IF(IS_${UPCASE_PRETTY}_SUPPORTED)
-		SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${_FLAG}")
-	ELSE()
-		MESSAGE(FATAL_ERROR "Required flag ${_FLAG} is not supported")
-	ENDIF()
-ENDMACRO()
-
-MACRO(ADD_C_FLAG_IF_SUPPORTED _FLAG)
-	STRING(TOUPPER ${_FLAG} UPCASE)
-	STRING(REGEX REPLACE "[-=]" "_" UPCASE_PRETTY ${UPCASE})
-	STRING(REGEX REPLACE "^_+" "" UPCASE_PRETTY ${UPCASE_PRETTY})
-	CHECK_C_COMPILER_FLAG(${_FLAG} IS_${UPCASE_PRETTY}_SUPPORTED)
-
-	IF(IS_${UPCASE_PRETTY}_SUPPORTED)
-		SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${_FLAG}")
-	ENDIF()
-ENDMACRO()
diff --git a/cmake/Modules/CheckPrototypeDefinition.c.in b/cmake/Modules/CheckPrototypeDefinition.c.in
deleted file mode 100644
index a97344a..0000000
--- a/cmake/Modules/CheckPrototypeDefinition.c.in
+++ /dev/null
@@ -1,29 +0,0 @@
-@CHECK_PROTOTYPE_DEFINITION_HEADER@
-
-static void cmakeRequireSymbol(int dummy, ...) {
-  (void) dummy;
-}
-
-static void checkSymbol(void) {
-#ifndef @CHECK_PROTOTYPE_DEFINITION_SYMBOL@
-  cmakeRequireSymbol(0, &@CHECK_PROTOTYPE_DEFINITION_SYMBOL@);
-#endif
-}
-
-@CHECK_PROTOTYPE_DEFINITION_PROTO@ {
-  return @CHECK_PROTOTYPE_DEFINITION_RETURN@;
-}
-
-#ifdef __CLASSIC_C__
-int main() {
-  int ac;
-  char*av[];
-#else
-int main(int ac, char *av[]) {
-#endif
-  checkSymbol();
-  if (ac > 1000) {
-    return *av[0];
-  }
-  return 0;
-}
diff --git a/cmake/Modules/CheckPrototypeDefinition.cmake b/cmake/Modules/CheckPrototypeDefinition.cmake
deleted file mode 100644
index 244b9b5..0000000
--- a/cmake/Modules/CheckPrototypeDefinition.cmake
+++ /dev/null
@@ -1,96 +0,0 @@
-# - Check if the protoype we expect is correct.
-# check_prototype_definition(FUNCTION PROTOTYPE RETURN HEADER VARIABLE)
-#  FUNCTION - The name of the function (used to check if prototype exists)
-#  PROTOTYPE- The prototype to check.
-#  RETURN - The return value of the function.
-#  HEADER - The header files required.
-#  VARIABLE - The variable to store the result.
-# Example:
-#  check_prototype_definition(getpwent_r
-#   "struct passwd *getpwent_r(struct passwd *src, char *buf, int buflen)"
-#   "NULL"
-#   "unistd.h;pwd.h"
-#   SOLARIS_GETPWENT_R)
-# The following variables may be set before calling this macro to
-# modify the way the check is run:
-#
-#  CMAKE_REQUIRED_FLAGS = string of compile command line flags
-#  CMAKE_REQUIRED_DEFINITIONS = list of macros to define (-DFOO=bar)
-#  CMAKE_REQUIRED_INCLUDES = list of include directories
-#  CMAKE_REQUIRED_LIBRARIES = list of libraries to link
-
-#=============================================================================
-# Copyright 2005-2009 Kitware, Inc.
-# Copyright 2010-2011 Andreas Schneider <asn@cryptomilk.org>
-#
-# Distributed under the OSI-approved BSD License (the "License");
-# see accompanying file Copyright.txt for details.
-#
-# This software is distributed WITHOUT ANY WARRANTY; without even the
-# implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
-# See the License for more information.
-#=============================================================================
-# (To distribute this file outside of CMake, substitute the full
-#  License text for the above reference.)
-#
-
-get_filename_component(__check_proto_def_dir "${CMAKE_CURRENT_LIST_FILE}" PATH)
-
-function(CHECK_PROTOTYPE_DEFINITION _FUNCTION _PROTOTYPE _RETURN _HEADER _VARIABLE)
-
-  if ("${_VARIABLE}" MATCHES "^${_VARIABLE}$")
-    set(CHECK_PROTOTYPE_DEFINITION_CONTENT "/* */\n")
-
-    set(CHECK_PROTOTYPE_DEFINITION_FLAGS ${CMAKE_REQUIRED_FLAGS})
-    if (CMAKE_REQUIRED_LIBRARIES)
-      set(CHECK_PROTOTYPE_DEFINITION_LIBS
-        "-DLINK_LIBRARIES:STRING=${CMAKE_REQUIRED_LIBRARIES}")
-    else(CMAKE_REQUIRED_LIBRARIES)
-      set(CHECK_PROTOTYPE_DEFINITION_LIBS)
-    endif(CMAKE_REQUIRED_LIBRARIES)
-    if (CMAKE_REQUIRED_INCLUDES)
-      set(CMAKE_SYMBOL_EXISTS_INCLUDES
-        "-DINCLUDE_DIRECTORIES:STRING=${CMAKE_REQUIRED_INCLUDES}")
-    else(CMAKE_REQUIRED_INCLUDES)
-      set(CMAKE_SYMBOL_EXISTS_INCLUDES)
-    endif(CMAKE_REQUIRED_INCLUDES)
-
-    foreach(_FILE ${_HEADER})
-      set(CHECK_PROTOTYPE_DEFINITION_HEADER
-        "${CHECK_PROTOTYPE_DEFINITION_HEADER}#include <${_FILE}>\n")
-    endforeach(_FILE)
-
-    set(CHECK_PROTOTYPE_DEFINITION_SYMBOL ${_FUNCTION})
-    set(CHECK_PROTOTYPE_DEFINITION_PROTO ${_PROTOTYPE})
-    set(CHECK_PROTOTYPE_DEFINITION_RETURN ${_RETURN})
-
-    configure_file("${__check_proto_def_dir}/CheckPrototypeDefinition.c.in"
-      "${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/CheckPrototypeDefinition.c" @ONLY)
-
-    file(READ ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/CheckPrototypeDefinition.c _SOURCE)
-
-    try_compile(${_VARIABLE}
-      ${CMAKE_BINARY_DIR}
-      ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/CheckPrototypeDefinition.c
-      COMPILE_DEFINITIONS ${CMAKE_REQUIRED_DEFINITIONS}
-      CMAKE_FLAGS -DCOMPILE_DEFINITIONS:STRING=${CHECK_PROTOTYPE_DEFINITION_FLAGS}
-      "${CHECK_PROTOTYPE_DEFINITION_LIBS}"
-      "${CMAKE_SYMBOL_EXISTS_INCLUDES}"
-      OUTPUT_VARIABLE OUTPUT)
-
-    if (${_VARIABLE})
-      set(${_VARIABLE} 1 CACHE INTERNAL "Have correct prototype for ${_FUNCTION}")
-      message(STATUS "Checking prototype ${_FUNCTION} for ${_VARIABLE} - True")
-      file(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeOutput.log
-        "Determining if the prototype ${_FUNCTION} exists for ${_VARIABLE} passed with the following output:\n"
-        "${OUTPUT}\n\n")
-    else (${_VARIABLE})
-      message(STATUS "Checking prototype ${_FUNCTION} for ${_VARIABLE} - False")
-      set(${_VARIABLE} 0 CACHE INTERNAL "Have correct prototype for ${_FUNCTION}")
-      file(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeError.log
-        "Determining if the prototype ${_FUNCTION} exists for ${_VARIABLE} failed with the following output:\n"
-        "${OUTPUT}\n\n${_SOURCE}\n\n")
-    endif (${_VARIABLE})
-  endif("${_VARIABLE}" MATCHES "^${_VARIABLE}$")
-
-endfunction(CHECK_PROTOTYPE_DEFINITION)
diff --git a/cmake/Modules/EnableWarnings.cmake b/cmake/Modules/EnableWarnings.cmake
deleted file mode 100644
index b61ed7e..0000000
--- a/cmake/Modules/EnableWarnings.cmake
+++ /dev/null
@@ -1,15 +0,0 @@
-MACRO(ENABLE_WARNINGS flag)
-	ADD_C_FLAG_IF_SUPPORTED(-W${flag})
-ENDMACRO()
-
-MACRO(DISABLE_WARNINGS flag)
-	ADD_C_FLAG_IF_SUPPORTED(-Wno-${flag})
-ENDMACRO()
-
-IF(ENABLE_WERROR)
-	IF(MSVC)
-		ADD_COMPILE_OPTIONS(-WX)
-	ELSE()
-		ADD_C_FLAG_IF_SUPPORTED(-Werror)
-	ENDIF()
-ENDIF()
diff --git a/cmake/Modules/FindCoreFoundation.cmake b/cmake/Modules/FindCoreFoundation.cmake
deleted file mode 100644
index 191aa59..0000000
--- a/cmake/Modules/FindCoreFoundation.cmake
+++ /dev/null
@@ -1,26 +0,0 @@
-# Find CoreFoundation.framework
-# This will define :
-#
-# COREFOUNDATION_FOUND
-# COREFOUNDATION_LIBRARIES
-# COREFOUNDATION_LDFLAGS
-#
-
-FIND_PATH(COREFOUNDATION_INCLUDE_DIR NAMES CoreFoundation.h)
-FIND_LIBRARY(COREFOUNDATION_LIBRARIES NAMES CoreFoundation)
-IF (COREFOUNDATION_INCLUDE_DIR AND COREFOUNDATION_LIBRARIES)
-	IF (NOT CoreFoundation_FIND_QUIETLY)
-		MESSAGE(STATUS "Found CoreFoundation ${COREFOUNDATION_LIBRARIES}")
-	ENDIF()
-	SET(COREFOUNDATION_FOUND TRUE)
-	SET(COREFOUNDATION_LDFLAGS "-framework CoreFoundation")
-ENDIF ()
-
-IF (CoreFoundation_FIND_REQUIRED AND NOT COREFOUNDATION_FOUND)
-	MESSAGE(FATAL_ERROR "CoreFoundation not found")
-ENDIF()
-
-MARK_AS_ADVANCED(
-	COREFOUNDATION_INCLUDE_DIR
-	COREFOUNDATION_LIBRARIES
-)
diff --git a/cmake/Modules/FindGSSAPI.cmake b/cmake/Modules/FindGSSAPI.cmake
deleted file mode 100644
index 37357c4..0000000
--- a/cmake/Modules/FindGSSAPI.cmake
+++ /dev/null
@@ -1,324 +0,0 @@
-# - Try to find GSSAPI
-# Once done this will define
-#
-#  KRB5_CONFIG - Path to krb5-config
-#  GSSAPI_ROOT_DIR - Set this variable to the root installation of GSSAPI
-#
-# Read-Only variables:
-#  GSSAPI_FLAVOR_MIT - set to TURE if MIT Kerberos has been found
-#  GSSAPI_FLAVOR_HEIMDAL - set to TRUE if Heimdal Kerberos has been found
-#  GSSAPI_FOUND - system has GSSAPI
-#  GSSAPI_INCLUDE_DIR - the GSSAPI include directory
-#  GSSAPI_LIBRARIES - Link these to use GSSAPI
-#  GSSAPI_DEFINITIONS - Compiler switches required for using GSSAPI
-#
-#=============================================================================
-#  Copyright (c) 2013 Andreas Schneider <asn@cryptomilk.org>
-#
-#  Distributed under the OSI-approved BSD License (the "License");
-#  see accompanying file Copyright.txt for details.
-#
-#  This software is distributed WITHOUT ANY WARRANTY; without even the
-#  implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
-#  See the License for more information.
-#=============================================================================
-#
-
-find_path(GSSAPI_ROOT_DIR
-    NAMES
-        include/gssapi.h
-        include/gssapi/gssapi.h
-    HINTS
-        ${_GSSAPI_ROOT_HINTS}
-    PATHS
-        ${_GSSAPI_ROOT_PATHS}
-)
-mark_as_advanced(GSSAPI_ROOT_DIR)
-
-if (UNIX)
-    find_program(KRB5_CONFIG
-        NAMES
-            krb5-config
-        PATHS
-            ${GSSAPI_ROOT_DIR}/bin
-            /opt/local/bin)
-    mark_as_advanced(KRB5_CONFIG)
-
-    if (KRB5_CONFIG)
-        # Check if we have MIT KRB5
-        execute_process(
-            COMMAND
-                ${KRB5_CONFIG} --vendor
-            RESULT_VARIABLE
-                _GSSAPI_VENDOR_RESULT
-            OUTPUT_VARIABLE
-                _GSSAPI_VENDOR_STRING)
-
-        if (_GSSAPI_VENDOR_STRING MATCHES ".*Massachusetts.*")
-            set(GSSAPI_FLAVOR_MIT TRUE)
-        else()
-            execute_process(
-                COMMAND
-                    ${KRB5_CONFIG} --libs gssapi
-                RESULT_VARIABLE
-                    _GSSAPI_LIBS_RESULT
-                OUTPUT_VARIABLE
-                    _GSSAPI_LIBS_STRING)
-
-            if (_GSSAPI_LIBS_STRING MATCHES ".*roken.*")
-                set(GSSAPI_FLAVOR_HEIMDAL TRUE)
-            endif()
-        endif()
-
-        # Get the include dir
-        execute_process(
-            COMMAND
-                ${KRB5_CONFIG} --cflags gssapi
-            RESULT_VARIABLE
-                _GSSAPI_INCLUDE_RESULT
-            OUTPUT_VARIABLE
-                _GSSAPI_INCLUDE_STRING)
-        string(REGEX REPLACE "(\r?\n)+$" "" _GSSAPI_INCLUDE_STRING "${_GSSAPI_INCLUDE_STRING}")
-        string(REGEX REPLACE " *-I" "" _GSSAPI_INCLUDEDIR "${_GSSAPI_INCLUDE_STRING}")
-    endif()
-
-    if (NOT GSSAPI_FLAVOR_MIT AND NOT GSSAPI_FLAVOR_HEIMDAL)
-        # Check for HEIMDAL
-        find_package(PkgConfig)
-        if (PKG_CONFIG_FOUND)
-            pkg_check_modules(_GSSAPI heimdal-gssapi)
-        endif (PKG_CONFIG_FOUND)
-
-        if (_GSSAPI_FOUND)
-            set(GSSAPI_FLAVOR_HEIMDAL TRUE)
-        else()
-            find_path(_GSSAPI_ROKEN
-                NAMES
-                    roken.h
-                PATHS
-                    ${GSSAPI_ROOT_DIR}/include
-                    ${_GSSAPI_INCLUDEDIR})
-            if (_GSSAPI_ROKEN)
-                set(GSSAPI_FLAVOR_HEIMDAL TRUE)
-            endif()
-        endif ()
-    endif()
-endif (UNIX)
-
-find_path(GSSAPI_INCLUDE_DIR
-    NAMES
-        gssapi.h
-        gssapi/gssapi.h
-    PATHS
-        ${GSSAPI_ROOT_DIR}/include
-        ${_GSSAPI_INCLUDEDIR}
-)
-
-if (GSSAPI_FLAVOR_MIT)
-    find_library(GSSAPI_LIBRARY
-        NAMES
-            gssapi_krb5
-        PATHS
-            ${GSSAPI_ROOT_DIR}/lib
-            ${_GSSAPI_LIBDIR}
-    )
-
-    find_library(KRB5_LIBRARY
-        NAMES
-            krb5
-        PATHS
-            ${GSSAPI_ROOT_DIR}/lib
-            ${_GSSAPI_LIBDIR}
-    )
-
-    find_library(K5CRYPTO_LIBRARY
-        NAMES
-            k5crypto
-        PATHS
-            ${GSSAPI_ROOT_DIR}/lib
-            ${_GSSAPI_LIBDIR}
-    )
-
-    find_library(COM_ERR_LIBRARY
-        NAMES
-            com_err
-        PATHS
-            ${GSSAPI_ROOT_DIR}/lib
-            ${_GSSAPI_LIBDIR}
-    )
-
-    if (GSSAPI_LIBRARY)
-        set(GSSAPI_LIBRARIES
-            ${GSSAPI_LIBRARIES}
-            ${GSSAPI_LIBRARY}
-        )
-    endif (GSSAPI_LIBRARY)
-
-    if (KRB5_LIBRARY)
-        set(GSSAPI_LIBRARIES
-            ${GSSAPI_LIBRARIES}
-            ${KRB5_LIBRARY}
-        )
-    endif (KRB5_LIBRARY)
-
-    if (K5CRYPTO_LIBRARY)
-        set(GSSAPI_LIBRARIES
-            ${GSSAPI_LIBRARIES}
-            ${K5CRYPTO_LIBRARY}
-        )
-    endif (K5CRYPTO_LIBRARY)
-
-    if (COM_ERR_LIBRARY)
-        set(GSSAPI_LIBRARIES
-            ${GSSAPI_LIBRARIES}
-            ${COM_ERR_LIBRARY}
-        )
-    endif (COM_ERR_LIBRARY)
-endif (GSSAPI_FLAVOR_MIT)
-
-if (GSSAPI_FLAVOR_HEIMDAL)
-    find_library(GSSAPI_LIBRARY
-        NAMES
-            gssapi
-        PATHS
-            ${GSSAPI_ROOT_DIR}/lib
-            ${_GSSAPI_LIBDIR}
-    )
-
-    find_library(KRB5_LIBRARY
-        NAMES
-            krb5
-        PATHS
-            ${GSSAPI_ROOT_DIR}/lib
-            ${_GSSAPI_LIBDIR}
-    )
-
-    find_library(HCRYPTO_LIBRARY
-        NAMES
-            hcrypto
-        PATHS
-            ${GSSAPI_ROOT_DIR}/lib
-            ${_GSSAPI_LIBDIR}
-    )
-
-    find_library(COM_ERR_LIBRARY
-        NAMES
-            com_err
-        PATHS
-            ${GSSAPI_ROOT_DIR}/lib
-            ${_GSSAPI_LIBDIR}
-    )
-
-    find_library(HEIMNTLM_LIBRARY
-        NAMES
-            heimntlm
-        PATHS
-            ${GSSAPI_ROOT_DIR}/lib
-            ${_GSSAPI_LIBDIR}
-    )
-
-    find_library(HX509_LIBRARY
-        NAMES
-            hx509
-        PATHS
-            ${GSSAPI_ROOT_DIR}/lib
-            ${_GSSAPI_LIBDIR}
-    )
-
-    find_library(ASN1_LIBRARY
-        NAMES
-            asn1
-        PATHS
-            ${GSSAPI_ROOT_DIR}/lib
-            ${_GSSAPI_LIBDIR}
-    )
-
-    find_library(WIND_LIBRARY
-        NAMES
-            wind
-        PATHS
-            ${GSSAPI_ROOT_DIR}/lib
-            ${_GSSAPI_LIBDIR}
-    )
-
-    find_library(ROKEN_LIBRARY
-        NAMES
-            roken
-        PATHS
-            ${GSSAPI_ROOT_DIR}/lib
-            ${_GSSAPI_LIBDIR}
-    )
-
-    if (GSSAPI_LIBRARY)
-        set(GSSAPI_LIBRARIES
-            ${GSSAPI_LIBRARIES}
-            ${GSSAPI_LIBRARY}
-        )
-    endif (GSSAPI_LIBRARY)
-
-    if (KRB5_LIBRARY)
-        set(GSSAPI_LIBRARIES
-            ${GSSAPI_LIBRARIES}
-            ${KRB5_LIBRARY}
-        )
-    endif (KRB5_LIBRARY)
-
-    if (HCRYPTO_LIBRARY)
-        set(GSSAPI_LIBRARIES
-            ${GSSAPI_LIBRARIES}
-            ${HCRYPTO_LIBRARY}
-        )
-    endif (HCRYPTO_LIBRARY)
-
-    if (COM_ERR_LIBRARY)
-        set(GSSAPI_LIBRARIES
-            ${GSSAPI_LIBRARIES}
-            ${COM_ERR_LIBRARY}
-        )
-    endif (COM_ERR_LIBRARY)
-
-    if (HEIMNTLM_LIBRARY)
-        set(GSSAPI_LIBRARIES
-            ${GSSAPI_LIBRARIES}
-            ${HEIMNTLM_LIBRARY}
-        )
-    endif (HEIMNTLM_LIBRARY)
-
-    if (HX509_LIBRARY)
-        set(GSSAPI_LIBRARIES
-            ${GSSAPI_LIBRARIES}
-            ${HX509_LIBRARY}
-        )
-    endif (HX509_LIBRARY)
-
-    if (ASN1_LIBRARY)
-        set(GSSAPI_LIBRARIES
-            ${GSSAPI_LIBRARIES}
-            ${ASN1_LIBRARY}
-        )
-    endif (ASN1_LIBRARY)
-
-    if (WIND_LIBRARY)
-        set(GSSAPI_LIBRARIES
-            ${GSSAPI_LIBRARIES}
-            ${WIND_LIBRARY}
-        )
-    endif (WIND_LIBRARY)
-
-    if (ROKEN_LIBRARY)
-        set(GSSAPI_LIBRARIES
-            ${GSSAPI_LIBRARIES}
-            ${WIND_LIBRARY}
-        )
-    endif (ROKEN_LIBRARY)
-endif (GSSAPI_FLAVOR_HEIMDAL)
-
-include(FindPackageHandleStandardArgs)
-find_package_handle_standard_args(GSSAPI DEFAULT_MSG GSSAPI_LIBRARIES GSSAPI_INCLUDE_DIR)
-
-if (GSSAPI_INCLUDE_DIRS AND GSSAPI_LIBRARIES)
-    set(GSSAPI_FOUND TRUE)
-endif (GSSAPI_INCLUDE_DIRS AND GSSAPI_LIBRARIES)
-
-# show the GSSAPI_INCLUDE_DIRS and GSSAPI_LIBRARIES variables only in the advanced view
-mark_as_advanced(GSSAPI_INCLUDE_DIRS GSSAPI_LIBRARIES)
diff --git a/cmake/Modules/FindGSSFramework.cmake b/cmake/Modules/FindGSSFramework.cmake
deleted file mode 100644
index dcf7249..0000000
--- a/cmake/Modules/FindGSSFramework.cmake
+++ /dev/null
@@ -1,28 +0,0 @@
-# Find GSS.framework
-# This will define :
-#
-# GSSFRAMEWORK_FOUND
-# GSSFRAMEWORK_INCLUDE_DIR
-# GSSFRAMEWORK_LIBRARIES
-# GSSFRAMEWORK_LDFLAGS
-#
-
-FIND_PATH(GSSFRAMEWORK_INCLUDE_DIR NAMES GSS.h)
-FIND_LIBRARY(GSSFRAMEWORK_LIBRARIES NAMES GSS)
-IF (GSSFRAMEWORK_INCLUDE_DIR AND GSSFRAMEWORK_LIBRARIES)
-	IF (NOT CoreFoundation_FIND_QUIETLY)
-		MESSAGE(STATUS "Found GSS.framework ${GSSFRAMEWORK_LIBRARIES}")
-	ENDIF()
-	SET(GSSFRAMEWORK_FOUND TRUE)
-	SET(GSSFRAMEWORK_LDFLAGS "-framework GSS")
-ENDIF ()
-
-IF (GSS_FIND_REQUIRED AND NOT GSSFRAMEWORK_FOUND)
-	MESSAGE(FATAL_ERROR "CoreFoundation not found")
-ENDIF()
-
-MARK_AS_ADVANCED(
-	GSSFRAMEWORK_INCLUDE_DIR
-	GSSFRAMEWORK_LIBRARIES
-	GSSFRAMEWORK_LDFLAGS
-)
diff --git a/cmake/Modules/FindHTTP_Parser.cmake b/cmake/Modules/FindHTTP_Parser.cmake
deleted file mode 100644
index d92bf75..0000000
--- a/cmake/Modules/FindHTTP_Parser.cmake
+++ /dev/null
@@ -1,39 +0,0 @@
-# - Try to find http-parser
-#
-# Defines the following variables:
-#
-# HTTP_PARSER_FOUND - system has http-parser
-# HTTP_PARSER_INCLUDE_DIR - the http-parser include directory
-# HTTP_PARSER_LIBRARIES - Link these to use http-parser
-# HTTP_PARSER_VERSION_MAJOR - major version
-# HTTP_PARSER_VERSION_MINOR - minor version
-# HTTP_PARSER_VERSION_STRING - the version of http-parser found
-
-# Find the header and library
-FIND_PATH(HTTP_PARSER_INCLUDE_DIR NAMES http_parser.h)
-FIND_LIBRARY(HTTP_PARSER_LIBRARY NAMES http_parser libhttp_parser)
-
-# Found the header, read version
-if (HTTP_PARSER_INCLUDE_DIR AND EXISTS "${HTTP_PARSER_INCLUDE_DIR}/http_parser.h")
-	FILE(READ "${HTTP_PARSER_INCLUDE_DIR}/http_parser.h" HTTP_PARSER_H)
-	IF (HTTP_PARSER_H)
-		STRING(REGEX REPLACE ".*#define[\t ]+HTTP_PARSER_VERSION_MAJOR[\t ]+([0-9]+).*" "\\1" HTTP_PARSER_VERSION_MAJOR "${HTTP_PARSER_H}")
-		STRING(REGEX REPLACE ".*#define[\t ]+HTTP_PARSER_VERSION_MINOR[\t ]+([0-9]+).*" "\\1" HTTP_PARSER_VERSION_MINOR "${HTTP_PARSER_H}")
-		SET(HTTP_PARSER_VERSION_STRING "${HTTP_PARSER_VERSION_MAJOR}.${HTTP_PARSER_VERSION_MINOR}")
-	ENDIF()
-	UNSET(HTTP_PARSER_H)
-ENDIF()
-
-# Handle the QUIETLY and REQUIRED arguments and set HTTP_PARSER_FOUND
-# to TRUE if all listed variables are TRUE
-INCLUDE(FindPackageHandleStandardArgs)
-FIND_PACKAGE_HANDLE_STANDARD_ARGS(HTTP_Parser REQUIRED_VARS HTTP_PARSER_INCLUDE_DIR HTTP_PARSER_LIBRARY)
-
-# Hide advanced variables
-MARK_AS_ADVANCED(HTTP_PARSER_INCLUDE_DIR HTTP_PARSER_LIBRARY)
-
-# Set standard variables
-IF (HTTP_PARSER_FOUND)
-	SET(HTTP_PARSER_LIBRARIES ${HTTP_PARSER_LIBRARY})
-	set(HTTP_PARSER_INCLUDE_DIRS ${HTTP_PARSER_INCLUDE_DIR})
-ENDIF()
diff --git a/cmake/Modules/FindIconv.cmake b/cmake/Modules/FindIconv.cmake
deleted file mode 100644
index 3c66cda..0000000
--- a/cmake/Modules/FindIconv.cmake
+++ /dev/null
@@ -1,45 +0,0 @@
-# - Try to find Iconv
-# Once done this will define
-#
-# ICONV_FOUND - system has Iconv
-# ICONV_INCLUDE_DIR - the Iconv include directory
-# ICONV_LIBRARIES - Link these to use Iconv
-#
-
-IF(ICONV_INCLUDE_DIR AND ICONV_LIBRARIES)
-	# Already in cache, be silent
-	SET(ICONV_FIND_QUIETLY TRUE)
-ENDIF()
-
-FIND_PATH(ICONV_INCLUDE_DIR iconv.h)
-CHECK_FUNCTION_EXISTS(iconv_open libc_has_iconv)
-FIND_LIBRARY(iconv_lib NAMES iconv libiconv libiconv-2 c)
-
-IF(ICONV_INCLUDE_DIR AND libc_has_iconv)
-	SET(ICONV_FOUND TRUE)
-	SET(ICONV_LIBRARIES "")
-	IF(NOT ICONV_FIND_QUIETLY)
-		MESSAGE(STATUS "Found Iconv: provided by libc")
-	ENDIF(NOT ICONV_FIND_QUIETLY)
-ELSEIF(ICONV_INCLUDE_DIR AND iconv_lib)
-	SET(ICONV_FOUND TRUE)
-	# split iconv into -L and -l linker options, so we can
-	# set them for pkg-config
-	GET_FILENAME_COMPONENT(iconv_path ${iconv_lib} PATH)
-	GET_FILENAME_COMPONENT(iconv_name ${iconv_lib} NAME_WE)
-	STRING(REGEX REPLACE "^lib" "" iconv_name ${iconv_name})
-	SET(ICONV_LIBRARIES "-L${iconv_path} -l${iconv_name}")
-
-	IF(NOT ICONV_FIND_QUIETLY)
-		MESSAGE(STATUS "Found Iconv: ${ICONV_LIBRARIES}")
-	ENDIF(NOT ICONV_FIND_QUIETLY)
-ELSE()
-	IF(Iconv_FIND_REQUIRED)
-		MESSAGE(FATAL_ERROR "Could not find Iconv")
-	ENDIF(Iconv_FIND_REQUIRED)
-ENDIF()
-
-MARK_AS_ADVANCED(
-	ICONV_INCLUDE_DIR
-	ICONV_LIBRARIES
-)
diff --git a/cmake/Modules/FindPCRE.cmake b/cmake/Modules/FindPCRE.cmake
deleted file mode 100644
index 74ed61e..0000000
--- a/cmake/Modules/FindPCRE.cmake
+++ /dev/null
@@ -1,38 +0,0 @@
-# Copyright (C) 2007-2009 LuaDist.
-# Created by Peter Kapec <kapecp@gmail.com>
-# Redistribution and use of this file is allowed according to the terms of the MIT license.
-# For details see the COPYRIGHT file distributed with LuaDist.
-#	Note:
-#		Searching headers and libraries is very simple and is NOT as powerful as scripts
-#		distributed with CMake, because LuaDist defines directories to search for.
-#		Everyone is encouraged to contact the author with improvements. Maybe this file
-#		becomes part of CMake distribution sometimes.
-
-# - Find pcre
-# Find the native PCRE headers and libraries.
-#
-# PCRE_INCLUDE_DIRS	- where to find pcre.h, etc.
-# PCRE_LIBRARIES	- List of libraries when using pcre.
-# PCRE_FOUND	- True if pcre found.
-
-# Look for the header file.
-FIND_PATH(PCRE_INCLUDE_DIR NAMES pcreposix.h)
-
-# Look for the library.
-FIND_LIBRARY(PCRE_LIBRARY NAMES pcre)
-FIND_LIBRARY(PCRE_POSIX_LIBRARY NAMES pcreposix)
-
-# Handle the QUIETLY and REQUIRED arguments and set PCRE_FOUND to TRUE if all listed variables are TRUE.
-INCLUDE(FindPackageHandleStandardArgs)
-FIND_PACKAGE_HANDLE_STANDARD_ARGS(PCRE DEFAULT_MSG PCRE_LIBRARY PCRE_POSIX_LIBRARY PCRE_INCLUDE_DIR)
-
-# Copy the results to the output variables.
-IF(PCRE_FOUND)
-	SET(PCRE_LIBRARIES ${PCRE_LIBRARY} ${PCRE_POSIX_LIBRARY})
-	SET(PCRE_INCLUDE_DIRS ${PCRE_INCLUDE_DIR})
-ELSE(PCRE_FOUND)
-	SET(PCRE_LIBRARIES)
-	SET(PCRE_INCLUDE_DIRS)
-ENDIF(PCRE_FOUND)
-
-MARK_AS_ADVANCED(PCRE_INCLUDE_DIRS PCRE_LIBRARIES)
diff --git a/cmake/Modules/FindPCRE2.cmake b/cmake/Modules/FindPCRE2.cmake
deleted file mode 100644
index f8c5639..0000000
--- a/cmake/Modules/FindPCRE2.cmake
+++ /dev/null
@@ -1,37 +0,0 @@
-# Copyright (C) 2007-2009 LuaDist.
-# Created by Peter Kapec <kapecp@gmail.com>
-# Redistribution and use of this file is allowed according to the terms of the MIT license.
-# For details see the COPYRIGHT file distributed with LuaDist.
-#	Note:
-#		Searching headers and libraries is very simple and is NOT as powerful as scripts
-#		distributed with CMake, because LuaDist defines directories to search for.
-#		Everyone is encouraged to contact the author with improvements. Maybe this file
-#		becomes part of CMake distribution sometimes.
-
-# - Find pcre
-# Find the native PCRE2 headers and libraries.
-#
-# PCRE2_INCLUDE_DIRS	- where to find pcre.h, etc.
-# PCRE2_LIBRARIES	- List of libraries when using pcre.
-# PCRE2_FOUND	- True if pcre found.
-
-# Look for the header file.
-FIND_PATH(PCRE2_INCLUDE_DIR NAMES pcre2posix.h)
-
-# Look for the library.
-FIND_LIBRARY(PCRE2_LIBRARY NAMES pcre2-8)
-
-# Handle the QUIETLY and REQUIRED arguments and set PCRE2_FOUND to TRUE if all listed variables are TRUE.
-INCLUDE(FindPackageHandleStandardArgs)
-FIND_PACKAGE_HANDLE_STANDARD_ARGS(PCRE2 DEFAULT_MSG PCRE2_LIBRARY PCRE2_INCLUDE_DIR)
-
-# Copy the results to the output variables.
-IF(PCRE2_FOUND)
-	SET(PCRE2_LIBRARIES ${PCRE2_LIBRARY})
-	SET(PCRE2_INCLUDE_DIRS ${PCRE2_INCLUDE_DIR})
-ELSE(PCRE2_FOUND)
-	SET(PCRE2_LIBRARIES)
-	SET(PCRE2_INCLUDE_DIRS)
-ENDIF(PCRE2_FOUND)
-
-MARK_AS_ADVANCED(PCRE2_INCLUDE_DIRS PCRE2_LIBRARIES)
diff --git a/cmake/Modules/FindPkgLibraries.cmake b/cmake/Modules/FindPkgLibraries.cmake
deleted file mode 100644
index 49311c3..0000000
--- a/cmake/Modules/FindPkgLibraries.cmake
+++ /dev/null
@@ -1,28 +0,0 @@
-INCLUDE(FindPkgConfig)
-
-# This function will find and set up a pkg-config based module.
-# If a pc-file was found, it will resolve library paths to
-# absolute paths. Furthermore, the function will automatically
-# fall back to use static libraries in case no dynamic libraries
-# were found.
-FUNCTION(FIND_PKGLIBRARIES prefix package)
-	PKG_CHECK_MODULES(${prefix} ${package})
-	IF(NOT ${prefix}_FOUND)
-		RETURN()
-	ENDIF()
-
-	FOREACH(LIBRARY ${${prefix}_LIBRARIES})
-		FIND_LIBRARY(${LIBRARY}_RESOLVED ${LIBRARY} PATHS ${${prefix}_LIBRARY_DIRS})
-		IF(${${LIBRARY}_RESOLVED} STREQUAL "${LIBRARY}_RESOLVED-NOTFOUND")
-			MESSAGE(FATAL_ERROR "could not resolve ${LIBRARY}")
-		ENDIF()
-		LIST(APPEND RESOLVED_LIBRARIES ${${LIBRARY}_RESOLVED})
-	ENDFOREACH(LIBRARY)
-
-	SET(${prefix}_FOUND 1 PARENT_SCOPE)
-	SET(${prefix}_LIBRARIES ${RESOLVED_LIBRARIES} PARENT_SCOPE)
-	SET(${prefix}_INCLUDE_DIRS ${${prefix}_INCLUDE_DIRS} PARENT_SCOPE)
-	SET(${prefix}_LDFLAGS ${${prefix}_LDFLAGS} PARENT_SCOPE)
-
-	MESSAGE(STATUS "  Resolved libraries: ${RESOLVED_LIBRARIES}")
-ENDFUNCTION()
diff --git a/cmake/Modules/FindSecurity.cmake b/cmake/Modules/FindSecurity.cmake
deleted file mode 100644
index a538c02..0000000
--- a/cmake/Modules/FindSecurity.cmake
+++ /dev/null
@@ -1,28 +0,0 @@
-# Find Security.framework
-# This will define :
-#
-# SECURITY_FOUND
-# SECURITY_LIBRARIES
-# SECURITY_LDFLAGS
-# SECURITY_HAS_SSLCREATECONTEXT
-#
-
-FIND_PATH(SECURITY_INCLUDE_DIR NAMES Security/Security.h)
-FIND_LIBRARY(SECURITY_LIBRARIES NAMES Security)
-IF (SECURITY_INCLUDE_DIR AND SECURITY_LIBRARIES)
-	IF (NOT Security_FIND_QUIETLY)
-		MESSAGE(STATUS "Found Security ${SECURITY_LIBRARIES}")
-	ENDIF()
-	SET(SECURITY_FOUND TRUE)
-	SET(SECURITY_LDFLAGS "-framework Security")
-	CHECK_LIBRARY_EXISTS("${SECURITY_LIBRARIES}" SSLCreateContext "Security/SecureTransport.h" SECURITY_HAS_SSLCREATECONTEXT)
-ENDIF ()
-
-IF (Security_FIND_REQUIRED AND NOT SECURITY_FOUND)
-	MESSAGE(FATAL_ERROR "Security not found")
-ENDIF()
-
-MARK_AS_ADVANCED(
-	SECURITY_INCLUDE_DIR
-	SECURITY_LIBRARIES
-)
diff --git a/cmake/Modules/FindStatNsec.cmake b/cmake/Modules/FindStatNsec.cmake
deleted file mode 100644
index a4a09fa..0000000
--- a/cmake/Modules/FindStatNsec.cmake
+++ /dev/null
@@ -1,26 +0,0 @@
-INCLUDE(FeatureSummary)
-
-CHECK_STRUCT_HAS_MEMBER ("struct stat" st_mtim "sys/types.h;sys/stat.h"
-	HAVE_STRUCT_STAT_ST_MTIM LANGUAGE C)
-CHECK_STRUCT_HAS_MEMBER ("struct stat" st_mtimespec "sys/types.h;sys/stat.h"
-	HAVE_STRUCT_STAT_ST_MTIMESPEC LANGUAGE C)
-CHECK_STRUCT_HAS_MEMBER("struct stat" st_mtime_nsec sys/stat.h
-	HAVE_STRUCT_STAT_MTIME_NSEC LANGUAGE C)
-
-IF (HAVE_STRUCT_STAT_ST_MTIM)
-	CHECK_STRUCT_HAS_MEMBER("struct stat" st_mtim.tv_nsec sys/stat.h
-		HAVE_STRUCT_STAT_NSEC LANGUAGE C)
-ELSEIF (HAVE_STRUCT_STAT_ST_MTIMESPEC)
-	CHECK_STRUCT_HAS_MEMBER("struct stat" st_mtimespec.tv_nsec sys/stat.h
-		HAVE_STRUCT_STAT_NSEC LANGUAGE C)
-ELSE ()
-	SET( HAVE_STRUCT_STAT_NSEC ON )
-ENDIF()
-
-IF (HAVE_STRUCT_STAT_NSEC OR WIN32)
-	OPTION( USE_NSEC		"Care about sub-second file mtimes and ctimes"	ON  )
-ELSE()
-	SET(USE_NSEC OFF)
-ENDIF()
-
-ADD_FEATURE_INFO(nanoseconds USE_NSEC "whether to use sub-second file mtimes and ctimes")
diff --git a/cmake/Modules/FindmbedTLS.cmake b/cmake/Modules/FindmbedTLS.cmake
deleted file mode 100644
index 9329755..0000000
--- a/cmake/Modules/FindmbedTLS.cmake
+++ /dev/null
@@ -1,93 +0,0 @@
-# - Try to find mbedTLS
-# Once done this will define
-#
-# Read-Only variables
-#  MBEDTLS_FOUND - system has mbedTLS
-#  MBEDTLS_INCLUDE_DIR - the mbedTLS include directory
-#  MBEDTLS_LIBRARY_DIR - the mbedTLS library directory
-#  MBEDTLS_LIBRARIES - Link these to use mbedTLS
-#  MBEDTLS_LIBRARY - path to mbedTLS library
-#  MBEDX509_LIBRARY - path to mbedTLS X.509 library
-#  MBEDCRYPTO_LIBRARY - path to mbedTLS Crypto library
-#
-# Hint
-#  MBEDTLS_ROOT_DIR can be pointed to a local mbedTLS installation.
-
-SET(_MBEDTLS_ROOT_HINTS
-    ${MBEDTLS_ROOT_DIR}
-    ENV MBEDTLS_ROOT_DIR
-)
-
-SET(_MBEDTLS_ROOT_HINTS_AND_PATHS
-    HINTS ${_MBEDTLS_ROOT_HINTS}
-    PATHS ${_MBEDTLS_ROOT_PATHS}
-)
-
-FIND_PATH(MBEDTLS_INCLUDE_DIR
-    NAMES mbedtls/version.h
-    ${_MBEDTLS_ROOT_HINTS_AND_PATHS}
-    PATH_SUFFIXES include
-)
-
-IF(MBEDTLS_INCLUDE_DIR AND MBEDTLS_LIBRARIES)
-    # Already in cache, be silent
-    SET(MBEDTLS_FIND_QUIETLY TRUE)
-ENDIF()
-
-FIND_LIBRARY(MBEDTLS_LIBRARY
-    NAMES mbedtls libmbedtls
-    ${_MBEDTLS_ROOT_HINTS_AND_PATHS}
-    PATH_SUFFIXES library
-)
-FIND_LIBRARY(MBEDX509_LIBRARY
-    NAMES mbedx509 libmbedx509
-    ${_MBEDTLS_ROOT_HINTS_AND_PATHS}
-    PATH_SUFFIXES library
-)
-FIND_LIBRARY(MBEDCRYPTO_LIBRARY
-    NAMES mbedcrypto libmbedcrypto
-    ${_MBEDTLS_ROOT_HINTS_AND_PATHS}
-    PATH_SUFFIXES library
-)
-
-IF(MBEDTLS_INCLUDE_DIR AND MBEDTLS_LIBRARY AND MBEDX509_LIBRARY AND MBEDCRYPTO_LIBRARY)
-     SET(MBEDTLS_FOUND TRUE)
-ENDIF()
-
-IF(MBEDTLS_FOUND)
-    # split mbedTLS into -L and -l linker options, so we can set them for pkg-config
-    GET_FILENAME_COMPONENT(MBEDTLS_LIBRARY_DIR ${MBEDTLS_LIBRARY} PATH)
-    GET_FILENAME_COMPONENT(MBEDTLS_LIBRARY_FILE ${MBEDTLS_LIBRARY} NAME_WE)
-    GET_FILENAME_COMPONENT(MBEDX509_LIBRARY_FILE ${MBEDX509_LIBRARY} NAME_WE)
-    GET_FILENAME_COMPONENT(MBEDCRYPTO_LIBRARY_FILE ${MBEDCRYPTO_LIBRARY} NAME_WE)
-    STRING(REGEX REPLACE "^lib" "" MBEDTLS_LIBRARY_FILE ${MBEDTLS_LIBRARY_FILE})
-    STRING(REGEX REPLACE "^lib" "" MBEDX509_LIBRARY_FILE ${MBEDX509_LIBRARY_FILE})
-    STRING(REGEX REPLACE "^lib" "" MBEDCRYPTO_LIBRARY_FILE ${MBEDCRYPTO_LIBRARY_FILE})
-    SET(MBEDTLS_LIBRARIES "-L${MBEDTLS_LIBRARY_DIR} -l${MBEDTLS_LIBRARY_FILE} -l${MBEDX509_LIBRARY_FILE} -l${MBEDCRYPTO_LIBRARY_FILE}")
-
-    IF(NOT MBEDTLS_FIND_QUIETLY)
-        MESSAGE(STATUS "Found mbedTLS:")
-        FILE(READ ${MBEDTLS_INCLUDE_DIR}/mbedtls/version.h MBEDTLSCONTENT)
-        STRING(REGEX MATCH "MBEDTLS_VERSION_STRING +\"[0-9|.]+\"" MBEDTLSMATCH ${MBEDTLSCONTENT})
-        IF (MBEDTLSMATCH)
-            STRING(REGEX REPLACE "MBEDTLS_VERSION_STRING +\"([0-9|.]+)\"" "\\1" MBEDTLS_VERSION ${MBEDTLSMATCH})
-            MESSAGE(STATUS "  version ${MBEDTLS_VERSION}")
-        ENDIF(MBEDTLSMATCH)
-        MESSAGE(STATUS "  TLS: ${MBEDTLS_LIBRARY}")
-        MESSAGE(STATUS "  X509: ${MBEDX509_LIBRARY}")
-        MESSAGE(STATUS "  Crypto: ${MBEDCRYPTO_LIBRARY}")
-    ENDIF(NOT MBEDTLS_FIND_QUIETLY)
-ELSE(MBEDTLS_FOUND)
-    IF(MBEDTLS_FIND_REQUIRED)
-        MESSAGE(FATAL_ERROR "Could not find mbedTLS")
-    ENDIF(MBEDTLS_FIND_REQUIRED)
-ENDIF(MBEDTLS_FOUND)
-
-MARK_AS_ADVANCED(
-    MBEDTLS_INCLUDE_DIR
-    MBEDTLS_LIBRARY_DIR
-    MBEDTLS_LIBRARIES
-    MBEDTLS_LIBRARY
-    MBEDX509_LIBRARY
-    MBEDCRYPTO_LIBRARY
-)
diff --git a/cmake/Modules/IdeSplitSources.cmake b/cmake/Modules/IdeSplitSources.cmake
deleted file mode 100644
index e2e09b4..0000000
--- a/cmake/Modules/IdeSplitSources.cmake
+++ /dev/null
@@ -1,22 +0,0 @@
-# This function splits the sources files up into their appropriate
-# subdirectories.  This is especially useful for IDEs like Xcode and
-# Visual Studio, so that you can navigate into the libgit2_clar project,
-# and see the folders within the tests folder (instead of just seeing all
-# source and tests in a single folder.)
-FUNCTION(IDE_SPLIT_SOURCES target)
-	IF(MSVC_IDE OR CMAKE_GENERATOR STREQUAL Xcode)
-		GET_TARGET_PROPERTY(sources ${target} SOURCES)
-		FOREACH(source ${sources})
-			IF(source MATCHES ".*/")
-				STRING(REPLACE ${libgit2_SOURCE_DIR}/ "" rel ${source})
-				IF(rel)
-					STRING(REGEX REPLACE "/([^/]*)$" "" rel ${rel})
-					IF(rel)
-						STRING(REPLACE "/" "\\\\" rel ${rel})
-						SOURCE_GROUP(${rel} FILES ${source})
-					ENDIF()
-				ENDIF()
-			ENDIF()
-		ENDFOREACH()
-	ENDIF()
-ENDFUNCTION()
diff --git a/cmake/Modules/PkgBuildConfig.cmake b/cmake/Modules/PkgBuildConfig.cmake
deleted file mode 100644
index 54c5e29..0000000
--- a/cmake/Modules/PkgBuildConfig.cmake
+++ /dev/null
@@ -1,77 +0,0 @@
-# pkg-config file generation
-#
-
-function(pkg_build_config)
-    set(options)
-    set(oneValueArgs NAME DESCRIPTION VERSION FILENAME LIBS_SELF)
-    set(multiValueArgs LIBS PRIVATE_LIBS REQUIRES CFLAGS)
-
-    cmake_parse_arguments(PKGCONFIG "${options}" "${oneValueArgs}" "${multiValueArgs}" ${ARGN})
-
-    if (NOT DEFINED PKGCONFIG_FILENAME AND DEFINED PKGCONFIG_NAME)
-        set(PKGCONFIG_FILENAME ${PKGCONFIG_NAME})
-    endif()
-    if (NOT DEFINED PKGCONFIG_FILENAME)
-        message(FATAL_ERROR "Missing FILENAME argument")
-    endif()
-    set(PKGCONFIG_FILE "${PROJECT_BINARY_DIR}/${PKGCONFIG_FILENAME}.pc")
-
-    if (NOT DEFINED PKGCONFIG_DESCRIPTION)
-        message(FATAL_ERROR "Missing DESCRIPTION argument")
-    endif()
-
-    if (NOT DEFINED PKGCONFIG_VERSION)
-        message(FATAL_ERROR "Missing VERSION argument")
-    endif()
-
-    # Write .pc "header"
-    file(WRITE "${PKGCONFIG_FILE}"
-        "prefix=\"${CMAKE_INSTALL_PREFIX}\"\n"
-        "libdir=\"${CMAKE_INSTALL_FULL_LIBDIR}\"\n"
-        "includedir=\"${CMAKE_INSTALL_FULL_INCLUDEDIR}\"\n"
-        "\n"
-        "Name: ${PKGCONFIG_NAME}\n"
-        "Description: ${PKGCONFIG_DESCRIPTION}\n"
-        "Version: ${PKGCONFIG_VERSION}\n"
-    )
-
-    # Prepare Libs
-    if(NOT DEFINED PKGCONFIG_LIBS_SELF)
-        set(PKGCONFIG_LIBS_SELF "${PKGCONFIG_FILE}")
-    endif()
-
-    if(NOT DEFINED PKGCONFIG_LIBS)
-        set(PKGCONFIG_LIBS "-l${PKGCONFIG_LIBS_SELF}")
-    else()
-        list(INSERT PKGCONFIG_LIBS 0 "-l${PKGCONFIG_LIBS_SELF}")
-    endif()
-
-    list(REMOVE_DUPLICATES PKGCONFIG_LIBS)
-    string(REPLACE ";" " " PKGCONFIG_LIBS "${PKGCONFIG_LIBS}")
-    file(APPEND "${PKGCONFIG_FILE}" "Libs: -L\${libdir} ${PKGCONFIG_LIBS}\n")
-
-    # Prepare Libs.private
-    if(DEFINED PKGCONFIG_PRIVATE_LIBS)
-        list(REMOVE_DUPLICATES PKGCONFIG_PRIVATE_LIBS)
-        string(REPLACE ";" " " PKGCONFIG_PRIVATE_LIBS "${PKGCONFIG_PRIVATE_LIBS}")
-        file(APPEND "${PKGCONFIG_FILE}" "Libs.private: ${PKGCONFIG_PRIVATE_LIBS}\n")
-    endif()
-
-    # Prepare Requires.private
-    if(DEFINED PKGCONFIG_REQUIRES)
-        list(REMOVE_DUPLICATES PKGCONFIG_REQUIRES)
-        string(REPLACE ";" " " PKGCONFIG_REQUIRES "${PKGCONFIG_REQUIRES}")
-        file(APPEND "${PKGCONFIG_FILE}" "Requires.private: ${PKGCONFIG_REQUIRES}\n")
-    endif()
-
-    # Prepare Cflags
-    if(DEFINED PKGCONFIG_CFLAGS)
-        string(REPLACE ";" " " PKGCONFIG_CFLAGS "${PKGCONFIG_CFLAGS}")
-    else()
-        set(PKGCONFIG_CFLAGS "")
-    endif()
-    file(APPEND "${PKGCONFIG_FILE}" "Cflags: -I\${includedir} ${PKGCONFIG_CFLAGS}\n")
-
-    # Install .pc file
-    install(FILES "${PKGCONFIG_FILE}" DESTINATION "${CMAKE_INSTALL_LIBDIR}/pkgconfig")
-endfunction()
diff --git a/cmake/Modules/SanitizeBool.cmake b/cmake/Modules/SanitizeBool.cmake
deleted file mode 100644
index b5b99a6..0000000
--- a/cmake/Modules/SanitizeBool.cmake
+++ /dev/null
@@ -1,20 +0,0 @@
-FUNCTION(SanitizeBool VAR)
-	STRING(TOLOWER "${${VAR}}" VALUE)
-	IF(VALUE STREQUAL "on")
-		SET(${VAR} "ON" PARENT_SCOPE)
-	ELSEIF(VALUE STREQUAL "yes")
-		SET(${VAR} "ON" PARENT_SCOPE)
-	ELSEIF(VALUE STREQUAL "true")
-		SET(${VAR} "ON" PARENT_SCOPE)
-	ELSEIF(VALUE STREQUAL "1")
-		SET(${VAR} "ON" PARENT_SCOPE)
-	ELSEIF(VALUE STREQUAL "off")
-		SET(${VAR} "OFF" PARENT_SCOPE)
-	ELSEIF(VALUE STREQUAL "no")
-		SET(${VAR} "OFF" PARENT_SCOPE)
-	ELSEIF(VALUE STREQUAL "false")
-		SET(${VAR} "OFF" PARENT_SCOPE)
-	ELSEIF(VALUE STREQUAL "0")
-		SET(${VAR} "OFF" PARENT_SCOPE)
-	ENDIF()
-ENDFUNCTION()
diff --git a/cmake/Modules/SelectGSSAPI.cmake b/cmake/Modules/SelectGSSAPI.cmake
deleted file mode 100644
index 0a42eee..0000000
--- a/cmake/Modules/SelectGSSAPI.cmake
+++ /dev/null
@@ -1,48 +0,0 @@
-INCLUDE(SanitizeBool)
-
-# We try to find any packages our backends might use
-FIND_PACKAGE(GSSAPI)
-IF (CMAKE_SYSTEM_NAME MATCHES "Darwin")
-	INCLUDE(FindGSSFramework)
-ENDIF()
-
-IF(USE_GSSAPI)
-	# Auto-select GSS backend
-	SanitizeBool(USE_GSSAPI)
-	IF (USE_GSSAPI STREQUAL ON)
-		IF (GSSFRAMEWORK_FOUND)
-			SET(USE_GSSAPI "GSS.framework")
-		ELSEIF(GSSAPI_FOUND)
-			SET(USE_GSSAPI "gssapi")
-		ELSE()
-			MESSAGE(FATAL_ERROR "Unable to autodetect a usable GSS backend."
-				"Please pass the backend name explicitly (-DUSE_GSS=backend)")
-		ENDIF()
-	ENDIF()
-
-	# Check that we can find what's required for the selected backend
-	IF (USE_GSSAPI STREQUAL "GSS.framework")
-		IF (NOT GSSFRAMEWORK_FOUND)
-			MESSAGE(FATAL_ERROR "Asked for GSS.framework backend, but it wasn't found")
-		ENDIF()
-
-		LIST(APPEND LIBGIT2_LIBS ${GSSFRAMEWORK_LIBRARIES})
-
-		SET(GIT_GSSFRAMEWORK 1)
-		ADD_FEATURE_INFO(SPNEGO GIT_GSSFRAMEWORK "SPNEGO authentication support (${USE_GSSAPI})")
-	ELSEIF (USE_GSSAPI STREQUAL "gssapi")
-		IF (NOT GSSAPI_FOUND)
-			MESSAGE(FATAL_ERROR "Asked for gssapi GSS backend, but it wasn't found")
-		ENDIF()
-
-		LIST(APPEND LIBGIT2_LIBS ${GSSAPI_LIBRARIES})
-
-		SET(GIT_GSSAPI 1)
-		ADD_FEATURE_INFO(SPNEGO GIT_GSSAPI "SPNEGO authentication support (${USE_GSSAPI})")
-	ELSE()
-		MESSAGE(FATAL_ERROR "Asked for backend ${USE_GSSAPI} but it wasn't found")
-	ENDIF()
-ELSE()
-	SET(GIT_GSSAPI 0)
-	ADD_FEATURE_INFO(SPNEGO NO "SPNEGO authentication support")
-ENDIF()
diff --git a/cmake/Modules/SelectHTTPSBackend.cmake b/cmake/Modules/SelectHTTPSBackend.cmake
deleted file mode 100644
index afbeac4..0000000
--- a/cmake/Modules/SelectHTTPSBackend.cmake
+++ /dev/null
@@ -1,120 +0,0 @@
-INCLUDE(SanitizeBool)
-
-# We try to find any packages our backends might use
-FIND_PACKAGE(OpenSSL)
-FIND_PACKAGE(mbedTLS)
-IF (CMAKE_SYSTEM_NAME MATCHES "Darwin")
-	FIND_PACKAGE(Security)
-	FIND_PACKAGE(CoreFoundation)
-ENDIF()
-
-IF(USE_HTTPS)
-	# Auto-select TLS backend
-	SanitizeBool(USE_HTTPS)
-	IF (USE_HTTPS STREQUAL ON)
-		IF (SECURITY_FOUND)
-			IF (SECURITY_HAS_SSLCREATECONTEXT)
-				SET(USE_HTTPS "SecureTransport")
-			ELSE()
-				MESSAGE(STATUS "Security framework is too old, falling back to OpenSSL")
-				SET(USE_HTTPS "OpenSSL")
-			ENDIF()
-		ELSEIF (WINHTTP)
-			SET(USE_HTTPS "WinHTTP")
-		ELSEIF(OPENSSL_FOUND)
-			SET(USE_HTTPS "OpenSSL")
-		ELSEIF(MBEDTLS_FOUND)
-			SET(USE_HTTPS "mbedTLS")
-		ELSE()
-			MESSAGE(FATAL_ERROR "Unable to autodetect a usable HTTPS backend."
-				"Please pass the backend name explicitly (-DUSE_HTTPS=backend)")
-		ENDIF()
-	ENDIF()
-
-	# Check that we can find what's required for the selected backend
-	IF (USE_HTTPS STREQUAL "SecureTransport")
-		IF (NOT COREFOUNDATION_FOUND)
-			MESSAGE(FATAL_ERROR "Cannot use SecureTransport backend, CoreFoundation.framework not found")
-		ENDIF()
-		IF (NOT SECURITY_FOUND)
-			MESSAGE(FATAL_ERROR "Cannot use SecureTransport backend, Security.framework not found")
-		ENDIF()
-		IF (NOT SECURITY_HAS_SSLCREATECONTEXT)
-			MESSAGE(FATAL_ERROR "Cannot use SecureTransport backend, SSLCreateContext not supported")
-		ENDIF()
-
-		SET(GIT_SECURE_TRANSPORT 1)
-		LIST(APPEND LIBGIT2_SYSTEM_INCLUDES ${SECURITY_INCLUDE_DIR})
-		LIST(APPEND LIBGIT2_LIBS ${COREFOUNDATION_LDFLAGS} ${SECURITY_LDFLAGS})
-		LIST(APPEND LIBGIT2_PC_LIBS ${COREFOUNDATION_LDFLAGS} ${SECURITY_LDFLAGS})
-	ELSEIF (USE_HTTPS STREQUAL "OpenSSL")
-		IF (NOT OPENSSL_FOUND)
-			MESSAGE(FATAL_ERROR "Asked for OpenSSL TLS backend, but it wasn't found")
-		ENDIF()
-
-		SET(GIT_OPENSSL 1)
-		LIST(APPEND LIBGIT2_SYSTEM_INCLUDES ${OPENSSL_INCLUDE_DIR})
-		LIST(APPEND LIBGIT2_LIBS ${OPENSSL_LIBRARIES})
-		LIST(APPEND LIBGIT2_PC_LIBS ${OPENSSL_LDFLAGS})
-		LIST(APPEND LIBGIT2_PC_REQUIRES "openssl")
-	ELSEIF(USE_HTTPS STREQUAL "mbedTLS")
-		IF (NOT MBEDTLS_FOUND)
-			MESSAGE(FATAL_ERROR "Asked for mbedTLS backend, but it wasn't found")
-		ENDIF()
-
-		IF(NOT CERT_LOCATION)
-			MESSAGE(STATUS "Auto-detecting default certificates location")
-			IF(CMAKE_SYSTEM_NAME MATCHES Darwin)
-				# Check for an Homebrew installation
-				SET(OPENSSL_CMD "/usr/local/opt/openssl/bin/openssl")
-			ELSE()
-				SET(OPENSSL_CMD "openssl")
-			ENDIF()
-			EXECUTE_PROCESS(COMMAND ${OPENSSL_CMD} version -d OUTPUT_VARIABLE OPENSSL_DIR OUTPUT_STRIP_TRAILING_WHITESPACE)
-			IF(OPENSSL_DIR)
-				STRING(REGEX REPLACE "^OPENSSLDIR: \"(.*)\"$" "\\1/" OPENSSL_DIR ${OPENSSL_DIR})
-
-				SET(OPENSSL_CA_LOCATIONS
-					"ca-bundle.pem"             # OpenSUSE Leap 42.1
-					"cert.pem"                  # Ubuntu 14.04, FreeBSD
-					"certs/ca-certificates.crt" # Ubuntu 16.04
-					"certs/ca.pem"              # Debian 7
-				)
-				FOREACH(SUFFIX IN LISTS OPENSSL_CA_LOCATIONS)
-					SET(LOC "${OPENSSL_DIR}${SUFFIX}")
-					IF(NOT CERT_LOCATION AND EXISTS "${OPENSSL_DIR}${SUFFIX}")
-						SET(CERT_LOCATION ${LOC})
-					ENDIF()
-				ENDFOREACH()
-			ELSE()
-				MESSAGE(FATAL_ERROR "Unable to find OpenSSL executable. Please provide default certificate location via CERT_LOCATION")
-			ENDIF()
-		ENDIF()
-
-		IF(CERT_LOCATION)
-			IF(NOT EXISTS ${CERT_LOCATION})
-				MESSAGE(FATAL_ERROR "Cannot use CERT_LOCATION=${CERT_LOCATION} as it doesn't exist")
-			ENDIF()
-			ADD_FEATURE_INFO(CERT_LOCATION ON "using certificates from ${CERT_LOCATION}")
-			ADD_DEFINITIONS(-DGIT_DEFAULT_CERT_LOCATION="${CERT_LOCATION}")
-		ENDIF()
-
-		SET(GIT_MBEDTLS 1)
-		LIST(APPEND LIBGIT2_SYSTEM_INCLUDES ${MBEDTLS_INCLUDE_DIR})
-		LIST(APPEND LIBGIT2_LIBS ${MBEDTLS_LIBRARIES})
-		# mbedTLS has no pkgconfig file, hence we can't require it
-		# https://github.com/ARMmbed/mbedtls/issues/228
-		# For now, pass its link flags as our own
-		LIST(APPEND LIBGIT2_PC_LIBS ${MBEDTLS_LIBRARIES})
-	ELSEIF (USE_HTTPS STREQUAL "WinHTTP")
-		# WinHTTP setup was handled in the WinHTTP-specific block above
-	ELSE()
-		MESSAGE(FATAL_ERROR "Asked for backend ${USE_HTTPS} but it wasn't found")
-	ENDIF()
-
-	SET(GIT_HTTPS 1)
-	ADD_FEATURE_INFO(HTTPS GIT_HTTPS "using ${USE_HTTPS}")
-ELSE()
-	SET(GIT_HTTPS 0)
-	ADD_FEATURE_INFO(HTTPS NO "")
-ENDIF()
diff --git a/cmake/Modules/SelectHashes.cmake b/cmake/Modules/SelectHashes.cmake
deleted file mode 100644
index 06672ab..0000000
--- a/cmake/Modules/SelectHashes.cmake
+++ /dev/null
@@ -1,61 +0,0 @@
-# Select a hash backend
-
-INCLUDE(SanitizeBool)
-
-# USE_SHA1=CollisionDetection(ON)/HTTPS/Generic/OFF
-
-SanitizeBool(USE_SHA1)
-IF(USE_SHA1 STREQUAL ON)
-	SET(USE_SHA1 "CollisionDetection")
-ELSEIF(USE_SHA1 STREQUAL "HTTPS")
-	IF(USE_HTTPS STREQUAL "SecureTransport")
-		SET(USE_SHA1 "CommonCrypto")
-	ELSEIF(USE_HTTPS STREQUAL "WinHTTP")
-		SET(USE_SHA1 "Win32")
-	ELSEIF(USE_HTTPS)
-		SET(USE_SHA1 ${USE_HTTPS})
-	ELSE()
-		SET(USE_SHA1 "CollisionDetection")
-	ENDIF()
-ENDIF()
-
-IF(USE_SHA1 STREQUAL "CollisionDetection")
-	SET(GIT_SHA1_COLLISIONDETECT 1)
-	ADD_DEFINITIONS(-DSHA1DC_NO_STANDARD_INCLUDES=1)
-	ADD_DEFINITIONS(-DSHA1DC_CUSTOM_INCLUDE_SHA1_C=\"common.h\")
-	ADD_DEFINITIONS(-DSHA1DC_CUSTOM_INCLUDE_UBC_CHECK_C=\"common.h\")
-	FILE(GLOB SRC_SHA1 hash/sha1/collisiondetect.* hash/sha1/sha1dc/*)
-ELSEIF(USE_SHA1 STREQUAL "OpenSSL")
-	# OPENSSL_FOUND should already be set, we're checking USE_HTTPS
-
-	SET(GIT_SHA1_OPENSSL 1)
-	IF(CMAKE_SYSTEM_NAME MATCHES "FreeBSD")
-		LIST(APPEND LIBGIT2_PC_LIBS "-lssl")
-	ELSE()
-		LIST(APPEND LIBGIT2_PC_REQUIRES "openssl")
-	ENDIF()
-	FILE(GLOB SRC_SHA1 hash/sha1/openssl.*)
-ELSEIF(USE_SHA1 STREQUAL "CommonCrypto")
-	SET(GIT_SHA1_COMMON_CRYPTO 1)
-	FILE(GLOB SRC_SHA1 hash/sha1/common_crypto.*)
-ELSEIF(USE_SHA1 STREQUAL "mbedTLS")
-	SET(GIT_SHA1_MBEDTLS 1)
-	FILE(GLOB SRC_SHA1 hash/sha1/mbedtls.*)
-	LIST(APPEND LIBGIT2_SYSTEM_INCLUDES ${MBEDTLS_INCLUDE_DIR})
-	LIST(APPEND LIBGIT2_LIBS ${MBEDTLS_LIBRARIES})
-	# mbedTLS has no pkgconfig file, hence we can't require it
-	# https://github.com/ARMmbed/mbedtls/issues/228
-	# For now, pass its link flags as our own
-	LIST(APPEND LIBGIT2_PC_LIBS ${MBEDTLS_LIBRARIES})
-ELSEIF(USE_SHA1 STREQUAL "Win32")
-	SET(GIT_SHA1_WIN32 1)
-	FILE(GLOB SRC_SHA1 hash/sha1/win32.*)
-ELSEIF(USE_SHA1 STREQUAL "Generic")
-	FILE(GLOB SRC_SHA1 hash/sha1/generic.*)
-ELSE()
-	MESSAGE(FATAL_ERROR "Asked for unknown SHA1 backend: ${USE_SHA1}")
-ENDIF()
-
-list(SORT SRC_SHA1)
-
-ADD_FEATURE_INFO(SHA ON "using ${USE_SHA1}")
diff --git a/cmake/PkgBuildConfig.cmake b/cmake/PkgBuildConfig.cmake
new file mode 100644
index 0000000..54c5e29
--- /dev/null
+++ b/cmake/PkgBuildConfig.cmake
@@ -0,0 +1,77 @@
+# pkg-config file generation
+#
+
+function(pkg_build_config)
+    set(options)
+    set(oneValueArgs NAME DESCRIPTION VERSION FILENAME LIBS_SELF)
+    set(multiValueArgs LIBS PRIVATE_LIBS REQUIRES CFLAGS)
+
+    cmake_parse_arguments(PKGCONFIG "${options}" "${oneValueArgs}" "${multiValueArgs}" ${ARGN})
+
+    if (NOT DEFINED PKGCONFIG_FILENAME AND DEFINED PKGCONFIG_NAME)
+        set(PKGCONFIG_FILENAME ${PKGCONFIG_NAME})
+    endif()
+    if (NOT DEFINED PKGCONFIG_FILENAME)
+        message(FATAL_ERROR "Missing FILENAME argument")
+    endif()
+    set(PKGCONFIG_FILE "${PROJECT_BINARY_DIR}/${PKGCONFIG_FILENAME}.pc")
+
+    if (NOT DEFINED PKGCONFIG_DESCRIPTION)
+        message(FATAL_ERROR "Missing DESCRIPTION argument")
+    endif()
+
+    if (NOT DEFINED PKGCONFIG_VERSION)
+        message(FATAL_ERROR "Missing VERSION argument")
+    endif()
+
+    # Write .pc "header"
+    file(WRITE "${PKGCONFIG_FILE}"
+        "prefix=\"${CMAKE_INSTALL_PREFIX}\"\n"
+        "libdir=\"${CMAKE_INSTALL_FULL_LIBDIR}\"\n"
+        "includedir=\"${CMAKE_INSTALL_FULL_INCLUDEDIR}\"\n"
+        "\n"
+        "Name: ${PKGCONFIG_NAME}\n"
+        "Description: ${PKGCONFIG_DESCRIPTION}\n"
+        "Version: ${PKGCONFIG_VERSION}\n"
+    )
+
+    # Prepare Libs
+    if(NOT DEFINED PKGCONFIG_LIBS_SELF)
+        set(PKGCONFIG_LIBS_SELF "${PKGCONFIG_FILE}")
+    endif()
+
+    if(NOT DEFINED PKGCONFIG_LIBS)
+        set(PKGCONFIG_LIBS "-l${PKGCONFIG_LIBS_SELF}")
+    else()
+        list(INSERT PKGCONFIG_LIBS 0 "-l${PKGCONFIG_LIBS_SELF}")
+    endif()
+
+    list(REMOVE_DUPLICATES PKGCONFIG_LIBS)
+    string(REPLACE ";" " " PKGCONFIG_LIBS "${PKGCONFIG_LIBS}")
+    file(APPEND "${PKGCONFIG_FILE}" "Libs: -L\${libdir} ${PKGCONFIG_LIBS}\n")
+
+    # Prepare Libs.private
+    if(DEFINED PKGCONFIG_PRIVATE_LIBS)
+        list(REMOVE_DUPLICATES PKGCONFIG_PRIVATE_LIBS)
+        string(REPLACE ";" " " PKGCONFIG_PRIVATE_LIBS "${PKGCONFIG_PRIVATE_LIBS}")
+        file(APPEND "${PKGCONFIG_FILE}" "Libs.private: ${PKGCONFIG_PRIVATE_LIBS}\n")
+    endif()
+
+    # Prepare Requires.private
+    if(DEFINED PKGCONFIG_REQUIRES)
+        list(REMOVE_DUPLICATES PKGCONFIG_REQUIRES)
+        string(REPLACE ";" " " PKGCONFIG_REQUIRES "${PKGCONFIG_REQUIRES}")
+        file(APPEND "${PKGCONFIG_FILE}" "Requires.private: ${PKGCONFIG_REQUIRES}\n")
+    endif()
+
+    # Prepare Cflags
+    if(DEFINED PKGCONFIG_CFLAGS)
+        string(REPLACE ";" " " PKGCONFIG_CFLAGS "${PKGCONFIG_CFLAGS}")
+    else()
+        set(PKGCONFIG_CFLAGS "")
+    endif()
+    file(APPEND "${PKGCONFIG_FILE}" "Cflags: -I\${includedir} ${PKGCONFIG_CFLAGS}\n")
+
+    # Install .pc file
+    install(FILES "${PKGCONFIG_FILE}" DESTINATION "${CMAKE_INSTALL_LIBDIR}/pkgconfig")
+endfunction()
diff --git a/cmake/SanitizeBool.cmake b/cmake/SanitizeBool.cmake
new file mode 100644
index 0000000..b5b99a6
--- /dev/null
+++ b/cmake/SanitizeBool.cmake
@@ -0,0 +1,20 @@
+FUNCTION(SanitizeBool VAR)
+	STRING(TOLOWER "${${VAR}}" VALUE)
+	IF(VALUE STREQUAL "on")
+		SET(${VAR} "ON" PARENT_SCOPE)
+	ELSEIF(VALUE STREQUAL "yes")
+		SET(${VAR} "ON" PARENT_SCOPE)
+	ELSEIF(VALUE STREQUAL "true")
+		SET(${VAR} "ON" PARENT_SCOPE)
+	ELSEIF(VALUE STREQUAL "1")
+		SET(${VAR} "ON" PARENT_SCOPE)
+	ELSEIF(VALUE STREQUAL "off")
+		SET(${VAR} "OFF" PARENT_SCOPE)
+	ELSEIF(VALUE STREQUAL "no")
+		SET(${VAR} "OFF" PARENT_SCOPE)
+	ELSEIF(VALUE STREQUAL "false")
+		SET(${VAR} "OFF" PARENT_SCOPE)
+	ELSEIF(VALUE STREQUAL "0")
+		SET(${VAR} "OFF" PARENT_SCOPE)
+	ENDIF()
+ENDFUNCTION()
diff --git a/cmake/SelectGSSAPI.cmake b/cmake/SelectGSSAPI.cmake
new file mode 100644
index 0000000..0a42eee
--- /dev/null
+++ b/cmake/SelectGSSAPI.cmake
@@ -0,0 +1,48 @@
+INCLUDE(SanitizeBool)
+
+# We try to find any packages our backends might use
+FIND_PACKAGE(GSSAPI)
+IF (CMAKE_SYSTEM_NAME MATCHES "Darwin")
+	INCLUDE(FindGSSFramework)
+ENDIF()
+
+IF(USE_GSSAPI)
+	# Auto-select GSS backend
+	SanitizeBool(USE_GSSAPI)
+	IF (USE_GSSAPI STREQUAL ON)
+		IF (GSSFRAMEWORK_FOUND)
+			SET(USE_GSSAPI "GSS.framework")
+		ELSEIF(GSSAPI_FOUND)
+			SET(USE_GSSAPI "gssapi")
+		ELSE()
+			MESSAGE(FATAL_ERROR "Unable to autodetect a usable GSS backend."
+				"Please pass the backend name explicitly (-DUSE_GSS=backend)")
+		ENDIF()
+	ENDIF()
+
+	# Check that we can find what's required for the selected backend
+	IF (USE_GSSAPI STREQUAL "GSS.framework")
+		IF (NOT GSSFRAMEWORK_FOUND)
+			MESSAGE(FATAL_ERROR "Asked for GSS.framework backend, but it wasn't found")
+		ENDIF()
+
+		LIST(APPEND LIBGIT2_LIBS ${GSSFRAMEWORK_LIBRARIES})
+
+		SET(GIT_GSSFRAMEWORK 1)
+		ADD_FEATURE_INFO(SPNEGO GIT_GSSFRAMEWORK "SPNEGO authentication support (${USE_GSSAPI})")
+	ELSEIF (USE_GSSAPI STREQUAL "gssapi")
+		IF (NOT GSSAPI_FOUND)
+			MESSAGE(FATAL_ERROR "Asked for gssapi GSS backend, but it wasn't found")
+		ENDIF()
+
+		LIST(APPEND LIBGIT2_LIBS ${GSSAPI_LIBRARIES})
+
+		SET(GIT_GSSAPI 1)
+		ADD_FEATURE_INFO(SPNEGO GIT_GSSAPI "SPNEGO authentication support (${USE_GSSAPI})")
+	ELSE()
+		MESSAGE(FATAL_ERROR "Asked for backend ${USE_GSSAPI} but it wasn't found")
+	ENDIF()
+ELSE()
+	SET(GIT_GSSAPI 0)
+	ADD_FEATURE_INFO(SPNEGO NO "SPNEGO authentication support")
+ENDIF()
diff --git a/cmake/SelectHTTPSBackend.cmake b/cmake/SelectHTTPSBackend.cmake
new file mode 100644
index 0000000..afbeac4
--- /dev/null
+++ b/cmake/SelectHTTPSBackend.cmake
@@ -0,0 +1,120 @@
+INCLUDE(SanitizeBool)
+
+# We try to find any packages our backends might use
+FIND_PACKAGE(OpenSSL)
+FIND_PACKAGE(mbedTLS)
+IF (CMAKE_SYSTEM_NAME MATCHES "Darwin")
+	FIND_PACKAGE(Security)
+	FIND_PACKAGE(CoreFoundation)
+ENDIF()
+
+IF(USE_HTTPS)
+	# Auto-select TLS backend
+	SanitizeBool(USE_HTTPS)
+	IF (USE_HTTPS STREQUAL ON)
+		IF (SECURITY_FOUND)
+			IF (SECURITY_HAS_SSLCREATECONTEXT)
+				SET(USE_HTTPS "SecureTransport")
+			ELSE()
+				MESSAGE(STATUS "Security framework is too old, falling back to OpenSSL")
+				SET(USE_HTTPS "OpenSSL")
+			ENDIF()
+		ELSEIF (WINHTTP)
+			SET(USE_HTTPS "WinHTTP")
+		ELSEIF(OPENSSL_FOUND)
+			SET(USE_HTTPS "OpenSSL")
+		ELSEIF(MBEDTLS_FOUND)
+			SET(USE_HTTPS "mbedTLS")
+		ELSE()
+			MESSAGE(FATAL_ERROR "Unable to autodetect a usable HTTPS backend."
+				"Please pass the backend name explicitly (-DUSE_HTTPS=backend)")
+		ENDIF()
+	ENDIF()
+
+	# Check that we can find what's required for the selected backend
+	IF (USE_HTTPS STREQUAL "SecureTransport")
+		IF (NOT COREFOUNDATION_FOUND)
+			MESSAGE(FATAL_ERROR "Cannot use SecureTransport backend, CoreFoundation.framework not found")
+		ENDIF()
+		IF (NOT SECURITY_FOUND)
+			MESSAGE(FATAL_ERROR "Cannot use SecureTransport backend, Security.framework not found")
+		ENDIF()
+		IF (NOT SECURITY_HAS_SSLCREATECONTEXT)
+			MESSAGE(FATAL_ERROR "Cannot use SecureTransport backend, SSLCreateContext not supported")
+		ENDIF()
+
+		SET(GIT_SECURE_TRANSPORT 1)
+		LIST(APPEND LIBGIT2_SYSTEM_INCLUDES ${SECURITY_INCLUDE_DIR})
+		LIST(APPEND LIBGIT2_LIBS ${COREFOUNDATION_LDFLAGS} ${SECURITY_LDFLAGS})
+		LIST(APPEND LIBGIT2_PC_LIBS ${COREFOUNDATION_LDFLAGS} ${SECURITY_LDFLAGS})
+	ELSEIF (USE_HTTPS STREQUAL "OpenSSL")
+		IF (NOT OPENSSL_FOUND)
+			MESSAGE(FATAL_ERROR "Asked for OpenSSL TLS backend, but it wasn't found")
+		ENDIF()
+
+		SET(GIT_OPENSSL 1)
+		LIST(APPEND LIBGIT2_SYSTEM_INCLUDES ${OPENSSL_INCLUDE_DIR})
+		LIST(APPEND LIBGIT2_LIBS ${OPENSSL_LIBRARIES})
+		LIST(APPEND LIBGIT2_PC_LIBS ${OPENSSL_LDFLAGS})
+		LIST(APPEND LIBGIT2_PC_REQUIRES "openssl")
+	ELSEIF(USE_HTTPS STREQUAL "mbedTLS")
+		IF (NOT MBEDTLS_FOUND)
+			MESSAGE(FATAL_ERROR "Asked for mbedTLS backend, but it wasn't found")
+		ENDIF()
+
+		IF(NOT CERT_LOCATION)
+			MESSAGE(STATUS "Auto-detecting default certificates location")
+			IF(CMAKE_SYSTEM_NAME MATCHES Darwin)
+				# Check for an Homebrew installation
+				SET(OPENSSL_CMD "/usr/local/opt/openssl/bin/openssl")
+			ELSE()
+				SET(OPENSSL_CMD "openssl")
+			ENDIF()
+			EXECUTE_PROCESS(COMMAND ${OPENSSL_CMD} version -d OUTPUT_VARIABLE OPENSSL_DIR OUTPUT_STRIP_TRAILING_WHITESPACE)
+			IF(OPENSSL_DIR)
+				STRING(REGEX REPLACE "^OPENSSLDIR: \"(.*)\"$" "\\1/" OPENSSL_DIR ${OPENSSL_DIR})
+
+				SET(OPENSSL_CA_LOCATIONS
+					"ca-bundle.pem"             # OpenSUSE Leap 42.1
+					"cert.pem"                  # Ubuntu 14.04, FreeBSD
+					"certs/ca-certificates.crt" # Ubuntu 16.04
+					"certs/ca.pem"              # Debian 7
+				)
+				FOREACH(SUFFIX IN LISTS OPENSSL_CA_LOCATIONS)
+					SET(LOC "${OPENSSL_DIR}${SUFFIX}")
+					IF(NOT CERT_LOCATION AND EXISTS "${OPENSSL_DIR}${SUFFIX}")
+						SET(CERT_LOCATION ${LOC})
+					ENDIF()
+				ENDFOREACH()
+			ELSE()
+				MESSAGE(FATAL_ERROR "Unable to find OpenSSL executable. Please provide default certificate location via CERT_LOCATION")
+			ENDIF()
+		ENDIF()
+
+		IF(CERT_LOCATION)
+			IF(NOT EXISTS ${CERT_LOCATION})
+				MESSAGE(FATAL_ERROR "Cannot use CERT_LOCATION=${CERT_LOCATION} as it doesn't exist")
+			ENDIF()
+			ADD_FEATURE_INFO(CERT_LOCATION ON "using certificates from ${CERT_LOCATION}")
+			ADD_DEFINITIONS(-DGIT_DEFAULT_CERT_LOCATION="${CERT_LOCATION}")
+		ENDIF()
+
+		SET(GIT_MBEDTLS 1)
+		LIST(APPEND LIBGIT2_SYSTEM_INCLUDES ${MBEDTLS_INCLUDE_DIR})
+		LIST(APPEND LIBGIT2_LIBS ${MBEDTLS_LIBRARIES})
+		# mbedTLS has no pkgconfig file, hence we can't require it
+		# https://github.com/ARMmbed/mbedtls/issues/228
+		# For now, pass its link flags as our own
+		LIST(APPEND LIBGIT2_PC_LIBS ${MBEDTLS_LIBRARIES})
+	ELSEIF (USE_HTTPS STREQUAL "WinHTTP")
+		# WinHTTP setup was handled in the WinHTTP-specific block above
+	ELSE()
+		MESSAGE(FATAL_ERROR "Asked for backend ${USE_HTTPS} but it wasn't found")
+	ENDIF()
+
+	SET(GIT_HTTPS 1)
+	ADD_FEATURE_INFO(HTTPS GIT_HTTPS "using ${USE_HTTPS}")
+ELSE()
+	SET(GIT_HTTPS 0)
+	ADD_FEATURE_INFO(HTTPS NO "")
+ENDIF()
diff --git a/cmake/SelectHashes.cmake b/cmake/SelectHashes.cmake
new file mode 100644
index 0000000..06672ab
--- /dev/null
+++ b/cmake/SelectHashes.cmake
@@ -0,0 +1,61 @@
+# Select a hash backend
+
+INCLUDE(SanitizeBool)
+
+# USE_SHA1=CollisionDetection(ON)/HTTPS/Generic/OFF
+
+SanitizeBool(USE_SHA1)
+IF(USE_SHA1 STREQUAL ON)
+	SET(USE_SHA1 "CollisionDetection")
+ELSEIF(USE_SHA1 STREQUAL "HTTPS")
+	IF(USE_HTTPS STREQUAL "SecureTransport")
+		SET(USE_SHA1 "CommonCrypto")
+	ELSEIF(USE_HTTPS STREQUAL "WinHTTP")
+		SET(USE_SHA1 "Win32")
+	ELSEIF(USE_HTTPS)
+		SET(USE_SHA1 ${USE_HTTPS})
+	ELSE()
+		SET(USE_SHA1 "CollisionDetection")
+	ENDIF()
+ENDIF()
+
+IF(USE_SHA1 STREQUAL "CollisionDetection")
+	SET(GIT_SHA1_COLLISIONDETECT 1)
+	ADD_DEFINITIONS(-DSHA1DC_NO_STANDARD_INCLUDES=1)
+	ADD_DEFINITIONS(-DSHA1DC_CUSTOM_INCLUDE_SHA1_C=\"common.h\")
+	ADD_DEFINITIONS(-DSHA1DC_CUSTOM_INCLUDE_UBC_CHECK_C=\"common.h\")
+	FILE(GLOB SRC_SHA1 hash/sha1/collisiondetect.* hash/sha1/sha1dc/*)
+ELSEIF(USE_SHA1 STREQUAL "OpenSSL")
+	# OPENSSL_FOUND should already be set, we're checking USE_HTTPS
+
+	SET(GIT_SHA1_OPENSSL 1)
+	IF(CMAKE_SYSTEM_NAME MATCHES "FreeBSD")
+		LIST(APPEND LIBGIT2_PC_LIBS "-lssl")
+	ELSE()
+		LIST(APPEND LIBGIT2_PC_REQUIRES "openssl")
+	ENDIF()
+	FILE(GLOB SRC_SHA1 hash/sha1/openssl.*)
+ELSEIF(USE_SHA1 STREQUAL "CommonCrypto")
+	SET(GIT_SHA1_COMMON_CRYPTO 1)
+	FILE(GLOB SRC_SHA1 hash/sha1/common_crypto.*)
+ELSEIF(USE_SHA1 STREQUAL "mbedTLS")
+	SET(GIT_SHA1_MBEDTLS 1)
+	FILE(GLOB SRC_SHA1 hash/sha1/mbedtls.*)
+	LIST(APPEND LIBGIT2_SYSTEM_INCLUDES ${MBEDTLS_INCLUDE_DIR})
+	LIST(APPEND LIBGIT2_LIBS ${MBEDTLS_LIBRARIES})
+	# mbedTLS has no pkgconfig file, hence we can't require it
+	# https://github.com/ARMmbed/mbedtls/issues/228
+	# For now, pass its link flags as our own
+	LIST(APPEND LIBGIT2_PC_LIBS ${MBEDTLS_LIBRARIES})
+ELSEIF(USE_SHA1 STREQUAL "Win32")
+	SET(GIT_SHA1_WIN32 1)
+	FILE(GLOB SRC_SHA1 hash/sha1/win32.*)
+ELSEIF(USE_SHA1 STREQUAL "Generic")
+	FILE(GLOB SRC_SHA1 hash/sha1/generic.*)
+ELSE()
+	MESSAGE(FATAL_ERROR "Asked for unknown SHA1 backend: ${USE_SHA1}")
+ENDIF()
+
+list(SORT SRC_SHA1)
+
+ADD_FEATURE_INFO(SHA ON "using ${USE_SHA1}")