thodg/libgit2/CMakeLists.txt

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• Hash : ab6a3d3d
  Author :
  Date : 2011-03-15T03:25:44
  

  Add ZLib as a built-in dependency I don't know if this is good or bad. This lets libgit2 compile cleanly on any platforms without any external dependencies, but adds a little bit of bloat... Let's test this out and see what happens.

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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(deps/zlib src include)
  
  # Try finding openssl
  FIND_PACKAGE(OpenSSL)
  IF (OPENSSL_CRYPTO_LIBRARIES)
      SET(SHA1_TYPE "openssl" CACHE STRING "Which SHA1 implementation to use: builtin, ppc, openssl")
  ELSEIF ()
      SET(SHA1_TYPE "builtin" CACHE STRING "Which SHA1 implementation to use: builtin, ppc")
  ENDIF ()
  
  INCLUDE(FindPkgConfig)
  
  # Show SQLite3 settings in GUI (if they won't be found out)
  SET(SQLITE3_INCLUDE_DIRS "" CACHE PATH "SQLite include directory")
  SET(SQLITE3_LIBRARIES "" CACHE FILEPATH "SQLite library")
  
  # Are SQLite3 variables already set up? (poor Windows/no pkg-config/no sqlite3.pc)
  IF (SQLITE3_INCLUDE_DIRS AND SQLITE3_LIBRARIES)
  	SET(SQLITE3_FOUND 1)
  ENDIF ()
  
  # Try to find SQLite3 via pkg-config
  IF (PKG_CONFIG_FOUND AND NOT SQLITE3_FOUND)
  	pkg_check_modules(SQLITE3 sqlite3)
  ENDIF ()
  
  # Compile SQLite backend if SQLite3 is available
  IF (SQLITE3_FOUND)
  	ADD_DEFINITIONS(-DGIT2_SQLITE_BACKEND)
  	INCLUDE_DIRECTORIES(${SQLITE3_INCLUDE_DIRS})
  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)
  
  # Build Release by default
  IF (NOT CMAKE_BUILD_TYPE)
      SET(CMAKE_BUILD_TYPE "Release" CACHE STRING "Choose the type of build, options are: Debug Release RelWithDebInfo MinSizeRel." FORCE)
  ENDIF ()
  
  # Collect sourcefiles
  FILE(GLOB SRC src/*.c src/backends/*.c)
  FILE(GLOB SRC_ZLIB deps/zlib/*.c)
  FILE(GLOB SRC_SHA1 src/block-sha1/*.c)
  FILE(GLOB SRC_PLAT src/unix/*.c)
  FILE(GLOB SRC_H include/git2/*.h)
  
  # Do not build Zlib with GZIP support
  ADD_DEFINITIONS(-DNO_GZIP)
  
  # On Windows use specific platform sources
  IF (WIN32 AND NOT CYGWIN)
      ADD_DEFINITIONS(-DWIN32 -D_DEBUG -D_LIB)
      FILE(GLOB SRC_PLAT src/win32/*.c)
  	IF (MINGW)
  		SET(PTHREAD_LIBRARY pthread)
  	ENDIF ()
  ENDIF ()
  
  # Specify sha1 implementation
  IF (SHA1_TYPE STREQUAL "ppc")
      ADD_DEFINITIONS(-DPPC_SHA1)
      FILE(GLOB SRC_SHA1 src/ppc/*.c)
  ELSEIF (SHA1_TYPE STREQUAL "openssl")
      ADD_DEFINITIONS(-DOPENSSL_SHA1)
      SET (SRC_SHA1)
      INCLUDE_DIRECTORIES(${OPENSSL_INCLUDE_DIR})
      SET (LIB_SHA1 ${OPENSSL_CRYPTO_LIBRARIES})
  ENDIF ()
  
  # Compile and link libgit2
  ADD_LIBRARY(git2 ${SRC} ${SRC_PLAT} ${SRC_SHA1} ${SRC_ZLIB})
  TARGET_LINK_LIBRARIES(git2 ${LIB_SHA1} ${PTHREAD_LIBRARY} ${SQLITE3_LIBRARIES})
  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}\")
      
      ENABLE_TESTING()
      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_PLAT} ${SRC_SHA1} ${SRC_TEST} ${SRC_ZLIB})
  	TARGET_LINK_LIBRARIES(libgit2_test ${LIB_SHA1} ${PTHREAD_LIBRARY} ${SQLITE3_LIBRARIES})
  
  	ADD_TEST(libgit2_test libgit2_test)
  ENDIF ()
  

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