thodg/libgit2/CMakeLists.txt

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• Hash : e944cfa9
  Author :
  Date : 2011-07-14T17:05:22
  

  net: link necessary libraries in Solaris Solaris needs programs to link to socket and nsl in order to use BSD sockets. Tell CMake to do so, this time for real. Thanks to boyski for bearing with me through the various iterations of this patch. Signed-off-by: Carlos Martín Nieto <carlos@cmartin.tk>

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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.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)
  IF (NOT WIN32)
  	FIND_PACKAGE(ZLIB)
  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 (BUILD_TESTS "Build Tests" ON)
  OPTION (THREADSAFE "Build libgit2 as threadsafe" OFF)
  
  # Platform specific compilation flags
  IF (MSVC)
  	SET(CMAKE_C_FLAGS "/W4 /WX /nologo /Zi")
  	# TODO: bring back /RTC1 /RTCc
  	SET(CMAKE_C_FLAGS_DEBUG "/Od /DEBUG /MTd")
  	SET(CMAKE_C_FLAGS_RELEASE "/MT /O2")
  ELSE ()
  	SET(CMAKE_C_FLAGS "-Wall -Wextra")
  	IF (NOT MINGW) # MinGW always does PIC and complains if we tell it to
  		SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fPIC")
  	ENDIF ()
  	SET(CMAKE_C_FLAGS_DEBUG "-g -O0")
  	SET(CMAKE_C_FLAGS_RELEASE "-O2")
  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 ()
  
  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_LIB)
  	FILE(GLOB SRC src/*.c src/win32/*.c)
  ELSE()
  	FILE(GLOB SRC src/*.c src/unix/*.c)
  ENDIF ()
  
  # Compile and link libgit2
  ADD_LIBRARY(git2 ${SRC} ${SRC_ZLIB})
  
  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})
  SET_TARGET_PROPERTIES(git2 PROPERTIES VERSION ${LIBGIT2_VERSION_STRING})
  SET_TARGET_PROPERTIES(git2 PROPERTIES SOVERSION ${LIBGIT2_VERSION_MAJOR})
  
  # Install
  INSTALL(TARGETS git2
      RUNTIME DESTINATION ${INSTALL_BIN}
      LIBRARY DESTINATION ${INSTALL_LIB}
      ARCHIVE DESTINATION ${INSTALL_LIB}
  )
  INSTALL(DIRECTORY include/git2 DESTINATION ${INSTALL_INC} )
  INSTALL(FILES include/git2.h DESTINATION ${INSTALL_INC} )
  
  # Tests
  IF (BUILD_TESTS)
  	SET(TEST_RESOURCES "${CMAKE_CURRENT_SOURCE_DIR}/tests/resources" CACHE PATH "Path to test resources.")
      ADD_DEFINITIONS(-DTEST_RESOURCES=\"${TEST_RESOURCES}\")
  
      INCLUDE_DIRECTORIES(tests)
  	FILE(GLOB SRC_TEST tests/t??-*.c)
  
  	ADD_EXECUTABLE(libgit2_test tests/test_main.c tests/test_lib.c tests/test_helpers.c ${SRC} ${SRC_TEST} ${SRC_ZLIB})
  	TARGET_LINK_LIBRARIES(libgit2_test ${CMAKE_THREAD_LIBS_INIT})
  	IF (WIN32)
  		TARGET_LINK_LIBRARIES(libgit2_test ws2_32)
  	ELSEIF (CMAKE_SYSTEM_NAME MATCHES "(Solaris|SunOS)")
  		TARGET_LINK_LIBRARIES(libgit2_test socket nsl)
  	ENDIF ()
  
  	ENABLE_TESTING()
  	ADD_TEST(libgit2_test libgit2_test)
  ENDIF ()
  

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