Commit 7a6e0281c6367a278e1e06235c9a7217088d1205
2013-05-02T14:07:22
Build with the system's http-parser installation if available
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diff --git a/CMakeLists.txt b/CMakeLists.txt
index 016d77a..b931dc5 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -14,7 +14,8 @@
PROJECT(libgit2 C)
CMAKE_MINIMUM_REQUIRED(VERSION 2.6)
-set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${CMAKE_SOURCE_DIR}/cmake/Modules/")
+# Add find modules to the path
+SET(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${CMAKE_SOURCE_DIR}/cmake/Modules/")
# Build options
#
@@ -100,8 +101,16 @@ ELSE ()
IF (NOT AMIGA)
FIND_PACKAGE(OpenSSL)
ENDIF ()
- FILE(GLOB SRC_HTTP deps/http-parser/*.c)
- INCLUDE_DIRECTORIES(deps/http-parser)
+
+ FIND_PACKAGE(HTTP_Parser QUIET)
+ IF (HTTP_PARSER_FOUND AND HTTP_PARSER_VERSION_MAJOR EQUAL 2)
+ INCLUDE_DIRECTORIES(${HTTP_PARSER_INCLUDE_DIRS})
+ LINK_LIBRARIES(${HTTP_PARSER_LIBRARIES})
+ ELSE()
+ MESSAGE("http-parser was not found or is too old; using bundled 3rd-party sources.")
+ INCLUDE_DIRECTORIES(deps/http-parser)
+ FILE(GLOB SRC_HTTP deps/http-parser/*.c)
+ ENDIF()
ENDIF()
# Specify sha1 implementation
diff --git a/cmake/Modules/FindHTTP_Parser.cmake b/cmake/Modules/FindHTTP_Parser.cmake
new file mode 100644
index 0000000..d92bf75
--- /dev/null
+++ b/cmake/Modules/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()