thodg/libgit2/src/CMakeLists.txt

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• Hash : 18a477e7
  Author :
  Date : 2022-02-02T22:35:07
  

  Merge pull request #6195 from libgit2/ethomson/zdiff3 merge: support zdiff3 conflict styles

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• src/CMakeLists.txt

• add_library(git2internal OBJECT)
  set_target_properties(git2internal PROPERTIES C_STANDARD 90)
  set_target_properties(git2internal PROPERTIES C_EXTENSIONS OFF)
  
  
  if(DEPRECATE_HARD)
          add_definitions(-DGIT_DEPRECATE_HARD)
  endif()
  
  if(DEBUG_POOL)
  	set(GIT_DEBUG_POOL 1)
  endif()
  add_feature_info(debugpool GIT_DEBUG_POOL "debug pool allocator")
  
  if(DEBUG_STRICT_ALLOC)
  	set(GIT_DEBUG_STRICT_ALLOC 1)
  endif()
  add_feature_info(debugalloc GIT_DEBUG_STRICT_ALLOC "debug strict allocators")
  
  if(DEBUG_STRICT_OPEN)
  	set(GIT_DEBUG_STRICT_OPEN 1)
  endif()
  add_feature_info(debugopen GIT_DEBUG_STRICT_OPEN "path validation in open")
  
  
  include(PkgBuildConfig)
  include(SanitizeBool)
  
  # This variable will contain the libraries we need to put into
  # libgit2.pc's Requires.private. That is, what we're linking to or
  # what someone who's statically linking us needs to link to.
  set(LIBGIT2_PC_REQUIRES "")
  # This will be set later if we use the system's http-parser library or
  # use iconv (OSX) and will be written to the Libs.private field in the
  # pc file.
  set(LIBGIT2_PC_LIBS "")
  
  set(LIBGIT2_INCLUDES
  	"${CMAKE_CURRENT_BINARY_DIR}"
  	"${PROJECT_SOURCE_DIR}/src"
  	"${PROJECT_SOURCE_DIR}/include")
  
  if(HAVE_FUTIMENS)
  	set(GIT_USE_FUTIMENS 1)
  endif ()
  add_feature_info(futimens GIT_USE_FUTIMENS "futimens support")
  
  check_prototype_definition(qsort_r
  	"void qsort_r(void *base, size_t nmemb, size_t size, void *thunk, int (*compar)(void *, const void *, const void *))"
  	"" "stdlib.h" GIT_QSORT_R_BSD)
  
  check_prototype_definition(qsort_r
  	"void qsort_r(void *base, size_t nmemb, size_t size, int (*compar)(const void *, const void *, void *), void *arg)"
  	"" "stdlib.h" GIT_QSORT_R_GNU)
  
  check_function_exists(qsort_s GIT_QSORT_S)
  
  # Find required dependencies
  
  if(WIN32)
  	list(APPEND LIBGIT2_SYSTEM_LIBS ws2_32)
  elseif(CMAKE_SYSTEM_NAME MATCHES "(Solaris|SunOS)")
  	list(APPEND LIBGIT2_SYSTEM_LIBS socket nsl)
  	list(APPEND LIBGIT2_PC_LIBS "-lsocket" "-lnsl")
  elseif(CMAKE_SYSTEM_NAME MATCHES "Haiku")
  	list(APPEND LIBGIT2_SYSTEM_LIBS network)
  	list(APPEND LIBGIT2_PC_LIBS "-lnetwork")
  endif()
  
  check_library_exists(rt clock_gettime "time.h" NEED_LIBRT)
  if(NEED_LIBRT)
  	list(APPEND LIBGIT2_SYSTEM_LIBS rt)
  	list(APPEND LIBGIT2_PC_LIBS "-lrt")
  endif()
  
  if(USE_THREADS)
  	list(APPEND LIBGIT2_SYSTEM_LIBS ${CMAKE_THREAD_LIBS_INIT})
  	list(APPEND LIBGIT2_PC_LIBS ${CMAKE_THREAD_LIBS_INIT})
  endif()
  add_feature_info(threadsafe USE_THREADS "threadsafe support")
  
  
  if(WIN32 AND EMBED_SSH_PATH)
  	file(GLOB SRC_SSH "${EMBED_SSH_PATH}/src/*.c")
  	list(SORT SRC_SSH)
  	target_sources(git2internal PRIVATE ${SRC_SSH})
  
  	list(APPEND LIBGIT2_SYSTEM_INCLUDES "${EMBED_SSH_PATH}/include")
  	file(WRITE "${EMBED_SSH_PATH}/src/libssh2_config.h" "#define HAVE_WINCNG\n#define LIBSSH2_WINCNG\n#include \"../win32/libssh2_config.h\"")
  	set(GIT_SSH 1)
  endif()
  
  include(SelectHTTPSBackend)
  include(SelectHashes)
  include(SelectHTTPParser)
  include(SelectRegex)
  include(SelectSSH)
  include(SelectWinHTTP)
  include(SelectZlib)
  
  
  if(USE_SHA1 STREQUAL "CollisionDetection")
  	file(GLOB SRC_SHA1 hash/sha1/collisiondetect.* hash/sha1/sha1dc/*)
  elseif(USE_SHA1 STREQUAL "OpenSSL")
  	file(GLOB SRC_SHA1 hash/sha1/openssl.*)
  elseif(USE_SHA1 STREQUAL "CommonCrypto")
  	file(GLOB SRC_SHA1 hash/sha1/common_crypto.*)
  elseif(USE_SHA1 STREQUAL "mbedTLS")
  	file(GLOB SRC_SHA1 hash/sha1/mbedtls.*)
  elseif(USE_SHA1 STREQUAL "Win32")
  	file(GLOB SRC_SHA1 hash/sha1/win32.*)
  elseif(USE_SHA1 STREQUAL "Generic")
  	file(GLOB SRC_SHA1 hash/sha1/generic.*)
  endif()
  list(APPEND SRC_SHA1 "hash/sha1.h")
  target_sources(git2internal PRIVATE ${SRC_SHA1})
  
  # Optional external dependency: ntlmclient
  if(USE_NTLMCLIENT)
  	set(GIT_NTLM 1)
  	add_subdirectory("${PROJECT_SOURCE_DIR}/deps/ntlmclient" "${PROJECT_BINARY_DIR}/deps/ntlmclient")
  	list(APPEND LIBGIT2_DEPENDENCY_INCLUDES "${PROJECT_SOURCE_DIR}/deps/ntlmclient")
  	list(APPEND LIBGIT2_DEPENDENCY_OBJECTS "$<TARGET_OBJECTS:ntlmclient>")
  endif()
  add_feature_info(ntlmclient GIT_NTLM "NTLM authentication support for Unix")
  
  # Optional external dependency: GSSAPI
  
  include(SelectGSSAPI)
  
  # Optional external dependency: iconv
  if(USE_ICONV)
  	find_package(Iconv)
  endif()
  if(ICONV_FOUND)
  	set(GIT_USE_ICONV 1)
  	list(APPEND LIBGIT2_SYSTEM_INCLUDES ${ICONV_INCLUDE_DIR})
  	list(APPEND LIBGIT2_SYSTEM_LIBS ${ICONV_LIBRARIES})
  	list(APPEND LIBGIT2_PC_LIBS ${ICONV_LIBRARIES})
  endif()
  add_feature_info(iconv GIT_USE_ICONV "iconv encoding conversion support")
  
  
  if(USE_THREADS)
  	if(NOT WIN32)
  		find_package(Threads REQUIRED)
  	endif()
  
  	set(GIT_THREADS 1)
  endif()
  
  if(USE_NSEC)
  	set(GIT_USE_NSEC 1)
  endif()
  
  if(HAVE_STRUCT_STAT_ST_MTIM)
  	set(GIT_USE_STAT_MTIM 1)
  elseif(HAVE_STRUCT_STAT_ST_MTIMESPEC)
  	set(GIT_USE_STAT_MTIMESPEC 1)
  elseif(HAVE_STRUCT_STAT_ST_MTIME_NSEC)
  	set(GIT_USE_STAT_MTIME_NSEC 1)
  endif()
  
  target_compile_definitions(git2internal PRIVATE _FILE_OFFSET_BITS=64)
  
  # Collect sourcefiles
  file(GLOB SRC_H
  	"${PROJECT_SOURCE_DIR}/include/git2.h"
  	"${PROJECT_SOURCE_DIR}/include/git2/*.h"
  	"${PROJECT_SOURCE_DIR}/include/git2/sys/*.h")
  list(SORT SRC_H)
  target_sources(git2internal PRIVATE ${SRC_H})
  
  # On Windows use specific platform sources
  if(WIN32 AND NOT CYGWIN)
  	set(WIN_RC "win32/git2.rc")
  
  	file(GLOB SRC_OS win32/*.c win32/*.h)
  	list(SORT SRC_OS)
  	target_sources(git2internal PRIVATE ${SRC_OS})
  elseif(AMIGA)
  	target_compile_definitions(git2internal PRIVATE NO_ADDRINFO NO_READDIR_R NO_MMAP)
  else()
  	file(GLOB SRC_OS unix/*.c unix/*.h)
  	list(SORT SRC_OS)
  	target_sources(git2internal PRIVATE ${SRC_OS})
  endif()
  
  if(USE_LEAK_CHECKER STREQUAL "valgrind")
  	target_compile_definitions(git2internal PRIVATE VALGRIND)
  endif()
  
  file(GLOB SRC_GIT2 *.c *.h
  	allocators/*.c allocators/*.h
  	streams/*.c streams/*.h
  	transports/*.c transports/*.h
  	xdiff/*.c xdiff/*.h)
  list(SORT SRC_GIT2)
  target_sources(git2internal PRIVATE ${SRC_GIT2})
  
  if(APPLE)
  	# The old Secure Transport API has been deprecated in macOS 10.15.
  	set_source_files_properties(streams/stransport.c PROPERTIES COMPILE_FLAGS -Wno-deprecated)
  endif()
  
  # the xdiff dependency is not (yet) warning-free, disable warnings as
  # errors for the xdiff sources until we've sorted them out
  if(MSVC)
  	set_source_files_properties(xdiff/xdiffi.c PROPERTIES COMPILE_FLAGS -WX-)
  	set_source_files_properties(xdiff/xemit.c PROPERTIES COMPILE_FLAGS -WX-)
  	set_source_files_properties(xdiff/xhistogram.c PROPERTIES COMPILE_FLAGS -WX-)
  	set_source_files_properties(xdiff/xmerge.c PROPERTIES COMPILE_FLAGS -WX-)
  	set_source_files_properties(xdiff/xutils.c PROPERTIES COMPILE_FLAGS -WX-)
  	set_source_files_properties(xdiff/xpatience.c PROPERTIES COMPILE_FLAGS -WX-)
  else()
  	set_source_files_properties(xdiff/xdiffi.c PROPERTIES COMPILE_FLAGS "-Wno-sign-compare -Wno-unused-parameter")
  	set_source_files_properties(xdiff/xemit.c PROPERTIES COMPILE_FLAGS "-Wno-sign-compare -Wno-unused-parameter")
  	set_source_files_properties(xdiff/xhistogram.c PROPERTIES COMPILE_FLAGS "-Wno-sign-compare")
  	set_source_files_properties(xdiff/xutils.c PROPERTIES COMPILE_FLAGS "-Wno-sign-compare")
  	set_source_files_properties(xdiff/xpatience.c PROPERTIES COMPILE_FLAGS "-Wno-sign-compare")
  endif()
  
  # Determine architecture of the machine
  if(CMAKE_SIZEOF_VOID_P EQUAL 8)
  	set(GIT_ARCH_64 1)
  elseif(CMAKE_SIZEOF_VOID_P EQUAL 4)
  	set(GIT_ARCH_32 1)
  elseif(CMAKE_SIZEOF_VOID_P)
  	message(FATAL_ERROR "Unsupported architecture (pointer size is ${CMAKE_SIZEOF_VOID_P} bytes)")
  else()
  	message(FATAL_ERROR "Unsupported architecture (CMAKE_SIZEOF_VOID_P is unset)")
  endif()
  
  configure_file(features.h.in git2/sys/features.h)
  
  ide_split_sources(git2internal)
  list(APPEND LIBGIT2_OBJECTS $<TARGET_OBJECTS:git2internal> ${LIBGIT2_DEPENDENCY_OBJECTS})
  
  target_include_directories(git2internal PRIVATE ${LIBGIT2_INCLUDES} ${LIBGIT2_DEPENDENCY_INCLUDES} PUBLIC ${PROJECT_SOURCE_DIR}/include)
  target_include_directories(git2internal SYSTEM PRIVATE ${LIBGIT2_SYSTEM_INCLUDES})
  
  set(LIBGIT2_INCLUDES ${LIBGIT2_INCLUDES} PARENT_SCOPE)
  set(LIBGIT2_OBJECTS ${LIBGIT2_OBJECTS} PARENT_SCOPE)
  set(LIBGIT2_DEPENDENCY_INCLUDES ${LIBGIT2_DEPENDENCY_INCLUDES} PARENT_SCOPE)
  set(LIBGIT2_DEPENDENCY_OBJECTS ${LIBGIT2_DEPENDENCY_OBJECTS} PARENT_SCOPE)
  set(LIBGIT2_SYSTEM_INCLUDES ${LIBGIT2_SYSTEM_INCLUDES} PARENT_SCOPE)
  set(LIBGIT2_SYSTEM_LIBS ${LIBGIT2_SYSTEM_LIBS} PARENT_SCOPE)
  
  if(XCODE_VERSION)
  	# This is required for Xcode to actually link the libgit2 library
  	# when using only object libraries.
  	file(WRITE ${CMAKE_CURRENT_BINARY_DIR}/dummy.c "")
  	list(APPEND LIBGIT2_OBJECTS ${CMAKE_CURRENT_BINARY_DIR}/dummy.c)
  endif()
  
  # Compile and link libgit2
  add_library(git2 ${WIN_RC} ${LIBGIT2_OBJECTS})
  target_link_libraries(git2 ${LIBGIT2_SYSTEM_LIBS})
  
  set_target_properties(git2 PROPERTIES C_STANDARD 90)
  set_target_properties(git2 PROPERTIES LIBRARY_OUTPUT_DIRECTORY ${PROJECT_BINARY_DIR})
  set_target_properties(git2 PROPERTIES RUNTIME_OUTPUT_DIRECTORY ${PROJECT_BINARY_DIR})
  set_target_properties(git2 PROPERTIES ARCHIVE_OUTPUT_DIRECTORY ${PROJECT_BINARY_DIR})
  
  # Workaround for Cmake bug #0011240 (see http://public.kitware.com/Bug/view.php?id=11240)
  # Win64+MSVC+static libs = linker error
  if(MSVC AND GIT_ARCH_64 AND NOT BUILD_SHARED_LIBS)
  	set_target_properties(git2 PROPERTIES STATIC_LIBRARY_FLAGS "/MACHINE:x64")
  endif()
  
  ide_split_sources(git2)
  
  if(SONAME)
  	set_target_properties(git2 PROPERTIES VERSION ${libgit2_VERSION})
  	set_target_properties(git2 PROPERTIES SOVERSION "${libgit2_VERSION_MAJOR}.${libgit2_VERSION_MINOR}")
  	if(LIBGIT2_FILENAME)
  		target_compile_definitions(git2 PRIVATE LIBGIT2_FILENAME=\"${LIBGIT2_FILENAME}\")
  		set_target_properties(git2 PROPERTIES OUTPUT_NAME ${LIBGIT2_FILENAME})
  	elseif(DEFINED LIBGIT2_PREFIX)
  		set_target_properties(git2 PROPERTIES PREFIX "${LIBGIT2_PREFIX}")
  	endif()
  endif()
  
  pkg_build_config(NAME libgit2
  	VERSION ${libgit2_VERSION}
  	DESCRIPTION "The git library, take 2"
  	LIBS_SELF git2
  	PRIVATE_LIBS ${LIBGIT2_PC_LIBS}
  	REQUIRES ${LIBGIT2_PC_REQUIRES}
  )
  
  if(MSVC_IDE)
  	# Precompiled headers
  	set_target_properties(git2 PROPERTIES COMPILE_FLAGS "/Yuprecompiled.h /FIprecompiled.h")
  	set_source_files_properties(win32/precompiled.c COMPILE_FLAGS "/Ycprecompiled.h")
  endif()
  
  # Install
  install(TARGETS git2
  	RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
  	LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
  	ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}
  )
  install(DIRECTORY ${PROJECT_SOURCE_DIR}/include/git2 DESTINATION ${CMAKE_INSTALL_INCLUDEDIR})
  install(FILES ${PROJECT_SOURCE_DIR}/include/git2.h DESTINATION ${CMAKE_INSTALL_INCLUDEDIR})
  

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