thodg/libgit2/CMakeLists.txt

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• Hash : 966fbdcb
  Author :
  Date : 2012-06-05T13:53:33
  

  Merge pull request #697 from carlosmn/ssl Add HTTPS support

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• CMakeLists.txt

• # CMake build script for the libgit2 project
  #
  # Building (out of source build):
  # > mkdir build && cd build
  # > cmake .. [-DSETTINGS=VALUE]
  # > cmake --build .
  #
  # Testing:
  # > ctest -V
  #
  # Install:
  # > cmake --build . --target install
  
  PROJECT(libgit2 C)
  CMAKE_MINIMUM_REQUIRED(VERSION 2.6)
  
  FILE(STRINGS "include/git2/version.h" GIT2_HEADER REGEX "^#define LIBGIT2_VERSION \"[^\"]*\"$")
  
  STRING(REGEX REPLACE "^.*LIBGIT2_VERSION \"([0-9]+).*$" "\\1" LIBGIT2_VERSION_MAJOR "${GIT2_HEADER}")
  STRING(REGEX REPLACE "^.*LIBGIT2_VERSION \"[0-9]+\\.([0-9]+).*$" "\\1" LIBGIT2_VERSION_MINOR  "${GIT2_HEADER}")
  STRING(REGEX REPLACE "^.*LIBGIT2_VERSION \"[0-9]+\\.[0-9]+\\.([0-9]+).*$" "\\1" LIBGIT2_VERSION_REV "${GIT2_HEADER}")
  SET(LIBGIT2_VERSION_STRING "${LIBGIT2_VERSION_MAJOR}.${LIBGIT2_VERSION_MINOR}.${LIBGIT2_VERSION_REV}")
  
  # Find required dependencies
  INCLUDE_DIRECTORIES(src include deps/http-parser)
  
  FILE(GLOB SRC_HTTP deps/http-parser/*.c)
  
  IF (NOT WIN32)
  	FIND_PACKAGE(ZLIB)
  ELSE()
  	# Windows doesn't understand POSIX regex on its own
  	INCLUDE_DIRECTORIES(deps/regex)
  	SET(SRC_REGEX deps/regex/regex.c)
  ENDIF()
  
  IF (ZLIB_FOUND)
  	INCLUDE_DIRECTORIES(${ZLIB_INCLUDE_DIRS})
  	LINK_LIBRARIES(${ZLIB_LIBRARIES})
  ELSE (ZLIB_FOUND)
  	INCLUDE_DIRECTORIES(deps/zlib)
  	ADD_DEFINITIONS(-DNO_VIZ -DSTDC -DNO_GZIP)
  	FILE(GLOB SRC_ZLIB deps/zlib/*.c)
  ENDIF()
  
  # Installation paths
  SET(INSTALL_BIN bin CACHE PATH "Where to install binaries to.")
  SET(INSTALL_LIB lib CACHE PATH "Where to install libraries to.")
  SET(INSTALL_INC include CACHE PATH "Where to install headers to.")
  
  # Build options
  OPTION (BUILD_SHARED_LIBS "Build Shared Library (OFF for Static)" ON)
  OPTION (THREADSAFE "Build libgit2 as threadsafe" OFF)
  OPTION (BUILD_CLAR "Build Tests using the Clar suite" ON)
  OPTION (BUILD_EXAMPLES "Build library usage example apps" OFF)
  OPTION (TAGS "Generate tags" OFF)
  OPTION (PROFILE "Generate profiling information" OFF)
  
  # Platform specific compilation flags
  IF (MSVC)
  	# Not using __stdcall with the CRT causes problems
  	OPTION (STDCALL "Buildl libgit2 with the __stdcall convention" ON)
  
  	SET(CMAKE_C_FLAGS "/W4 /MP /nologo /Zi ${CMAKE_C_FLAGS}")
  	IF (STDCALL)
  	  SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} /Gz")
  	ENDIF ()
  	SET(CMAKE_C_FLAGS_DEBUG "/Od /DEBUG /MTd /RTC1 /RTCs /RTCu")
  	SET(CMAKE_C_FLAGS_RELEASE "/MT /O2")
  	SET(WIN_RC "src/win32/git2.rc")
  
     # Precompiled headers
  ELSE ()
  	SET(CMAKE_C_FLAGS "-O2 -g -D_GNU_SOURCE -Wall -Wextra -Wno-missing-field-initializers -Wstrict-aliasing=2 -Wstrict-prototypes -Wmissing-prototypes ${CMAKE_C_FLAGS}")
  	SET(CMAKE_C_FLAGS_DEBUG "-O0 -g")
  	IF (MINGW) # MinGW always does PIC and complains if we tell it to
  		STRING(REGEX REPLACE "-fPIC" "" CMAKE_SHARED_LIBRARY_C_FLAGS "${CMAKE_SHARED_LIBRARY_C_FLAGS}")
  	ELSE ()
  		SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fvisibility=hidden -fPIC")
  	ENDIF ()
  	IF (PROFILE)
  		SET(CMAKE_C_FLAGS "-pg ${CMAKE_C_FLAGS}")
  		SET(CMAKE_EXE_LINKER_FLAGS "-pg ${CMAKE_EXE_LINKER_FLAGS}")
  	ENDIF ()
  ENDIF()
  
  # Build Debug by default
  IF (NOT CMAKE_BUILD_TYPE)
  	SET(CMAKE_BUILD_TYPE "Debug" CACHE STRING "Choose the type of build, options are: Debug Release RelWithDebInfo MinSizeRel." FORCE)
  ENDIF ()
  
  FIND_PACKAGE(OpenSSL)
  IF (OPENSSL_FOUND)
    ADD_DEFINITIONS(-DGIT_SSL)
    INCLUDE_DIRECTORIES(${OPENSSL_INCLUDE_DIR})
    SET(SSL_LIBRARIES ${OPENSSL_LIBRARIES})
  ENDIF()
  
  IF (THREADSAFE)
  	IF (NOT WIN32)
  		find_package(Threads REQUIRED)
  	ENDIF()
  
  	ADD_DEFINITIONS(-DGIT_THREADS)
  ENDIF()
  
  ADD_DEFINITIONS(-D_FILE_OFFSET_BITS=64)
  
  # Collect sourcefiles
  FILE(GLOB SRC_H include/git2/*.h)
  
  # On Windows use specific platform sources
  IF (WIN32 AND NOT CYGWIN)
  	ADD_DEFINITIONS(-DWIN32 -D_DEBUG -D_WIN32_WINNT=0x0501)
  	FILE(GLOB SRC src/*.c src/transports/*.c src/xdiff/*.c src/win32/*.c src/compat/*.c)
  ELSEIF (CMAKE_SYSTEM_NAME MATCHES "(Solaris|SunOS)")
  	FILE(GLOB SRC src/*.c src/transports/*.c src/xdiff/*.c src/unix/*.c src/compat/*.c)
  ELSE()
  	FILE(GLOB SRC src/*.c src/transports/*.c src/xdiff/*.c src/unix/*.c)
  ENDIF ()
  
  # Compile and link libgit2
  ADD_LIBRARY(git2 ${SRC} ${SRC_ZLIB} ${SRC_HTTP} ${SRC_REGEX} ${WIN_RC})
  
  IF (WIN32)
  	TARGET_LINK_LIBRARIES(git2 ws2_32)
  ELSEIF (CMAKE_SYSTEM_NAME MATCHES "(Solaris|SunOS)")
  	TARGET_LINK_LIBRARIES(git2 socket nsl)
  ENDIF ()
  
  TARGET_LINK_LIBRARIES(git2 ${CMAKE_THREAD_LIBS_INIT} ${SSL_LIBRARIES})
  SET_TARGET_PROPERTIES(git2 PROPERTIES VERSION ${LIBGIT2_VERSION_STRING})
  SET_TARGET_PROPERTIES(git2 PROPERTIES SOVERSION ${LIBGIT2_VERSION_MAJOR})
  CONFIGURE_FILE(${CMAKE_CURRENT_SOURCE_DIR}/libgit2.pc.in ${CMAKE_CURRENT_BINARY_DIR}/libgit2.pc @ONLY)
  
  # Install
  INSTALL(TARGETS git2
  	RUNTIME DESTINATION ${INSTALL_BIN}
  	LIBRARY DESTINATION ${INSTALL_LIB}
  	ARCHIVE DESTINATION ${INSTALL_LIB}
  )
  INSTALL(FILES ${CMAKE_CURRENT_BINARY_DIR}/libgit2.pc DESTINATION ${INSTALL_LIB}/pkgconfig )
  INSTALL(DIRECTORY include/git2 DESTINATION ${INSTALL_INC} )
  INSTALL(FILES include/git2.h DESTINATION ${INSTALL_INC} )
  
  # Tests
  IF (BUILD_CLAR)
  
  	FIND_PACKAGE(PythonInterp REQUIRED)
  
  	SET(CLAR_FIXTURES "${CMAKE_CURRENT_SOURCE_DIR}/tests-clar/resources/")
  	SET(CLAR_PATH "${CMAKE_CURRENT_SOURCE_DIR}/tests-clar")
  	SET(CLAR_RESOURCES "${CMAKE_CURRENT_SOURCE_DIR}/tests-clar/resources" CACHE PATH "Path to test resources.")
  	ADD_DEFINITIONS(-DCLAR_FIXTURE_PATH=\"${CLAR_FIXTURES}\")
  	ADD_DEFINITIONS(-DCLAR_RESOURCES=\"${TEST_RESOURCES}\")
  
  	INCLUDE_DIRECTORIES(${CLAR_PATH})
  	FILE(GLOB_RECURSE SRC_TEST ${CLAR_PATH}/*/*.c ${CLAR_PATH}/clar_helpers.c ${CLAR_PATH}/testlib.c)
  
  	ADD_CUSTOM_COMMAND(
  		OUTPUT ${CLAR_PATH}/clar_main.c ${CLAR_PATH}/clar.h
  		COMMAND ${PYTHON_EXECUTABLE} clar -vtap .
  		DEPENDS ${CLAR_PATH}/clar ${SRC_TEST}
  		WORKING_DIRECTORY ${CLAR_PATH}
  	)
  	ADD_EXECUTABLE(libgit2_clar ${SRC} ${CLAR_PATH}/clar_main.c ${SRC_TEST} ${SRC_ZLIB} ${SRC_HTTP} ${SRC_REGEX})
  	TARGET_LINK_LIBRARIES(libgit2_clar ${CMAKE_THREAD_LIBS_INIT} ${SSL_LIBRARIES})
  	IF (WIN32)
  		TARGET_LINK_LIBRARIES(libgit2_clar ws2_32)
  	ELSEIF (CMAKE_SYSTEM_NAME MATCHES "(Solaris|SunOS)")
  		TARGET_LINK_LIBRARIES(libgit2_clar socket nsl)
  	ENDIF ()
  
  	ENABLE_TESTING()
  	ADD_TEST(libgit2_clar libgit2_clar)
  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)
  	FILE(GLOB_RECURSE EXAMPLE_SRC examples/network/*.c)
  	ADD_EXECUTABLE(cgit2 ${EXAMPLE_SRC})
  	TARGET_LINK_LIBRARIES(cgit2 git2 pthread)
  
  	ADD_EXECUTABLE(git-diff examples/diff.c)
  	TARGET_LINK_LIBRARIES(git-diff git2)
  
  	ADD_EXECUTABLE(git-general examples/general.c)
  	TARGET_LINK_LIBRARIES(git-general git2)
  
  	ADD_EXECUTABLE(git-showindex examples/showindex.c)
  	TARGET_LINK_LIBRARIES(git-showindex git2)
  ENDIF ()
  

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