CMakeLists.txt

   1 # CMake build script for the libgit2 project
   2 #
   3 # Building (out of source build):
   4 # > mkdir build && cd build
   5 # > cmake .. [-DSETTINGS=VALUE]
   6 # > cmake --build .
   7 #
   8 # Testing:
   9 # > ctest -V
  10 #
  11 # Install:
  12 # > cmake --build . --target install
  13
  14 PROJECT(libgit2 C)
  15 CMAKE_MINIMUM_REQUIRED(VERSION 2.6)
  16
  17 FILE(STRINGS "include/git2/version.h" GIT2_HEADER REGEX "^#define LIBGIT2_VERSION \"[^\"]*\"$")
  18
  19 STRING(REGEX REPLACE "^.*LIBGIT2_VERSION \"([0-9]+).*$" "\\1" LIBGIT2_VERSION_MAJOR "${GIT2_HEADER}")
  20 STRING(REGEX REPLACE "^.*LIBGIT2_VERSION \"[0-9]+\\.([0-9]+).*$" "\\1" LIBGIT2_VERSION_MINOR  "${GIT2_HEADER}")
  21 STRING(REGEX REPLACE "^.*LIBGIT2_VERSION \"[0-9]+\\.[0-9]+\\.([0-9]+).*$" "\\1" LIBGIT2_VERSION_REV "${GIT2_HEADER}")
  22 SET(LIBGIT2_VERSION_STRING "${LIBGIT2_VERSION_MAJOR}.${LIBGIT2_VERSION_MINOR}.${LIBGIT2_VERSION_REV}")
  23
  24 # Find required dependencies
  25 INCLUDE_DIRECTORIES(src include deps/http-parser)
  26
  27 FILE(GLOB SRC_HTTP deps/http-parser/*.c)
  28
  29 IF (NOT WIN32)
  30         FIND_PACKAGE(ZLIB)
  31 ENDIF()
  32
  33 IF (ZLIB_FOUND)
  34         INCLUDE_DIRECTORIES(${ZLIB_INCLUDE_DIRS})
  35         LINK_LIBRARIES(${ZLIB_LIBRARIES})
  36 ELSE (ZLIB_FOUND)
  37         INCLUDE_DIRECTORIES(deps/zlib)
  38         ADD_DEFINITIONS(-DNO_VIZ -DSTDC -DNO_GZIP)
  39         FILE(GLOB SRC_ZLIB deps/zlib/*.c)
  40 ENDIF()
  41
  42 # Installation paths
  43 SET(INSTALL_BIN bin CACHE PATH "Where to install binaries to.")
  44 SET(INSTALL_LIB lib CACHE PATH "Where to install libraries to.")
  45 SET(INSTALL_INC include CACHE PATH "Where to install headers to.")
  46
  47 # Build options
  48 OPTION (BUILD_SHARED_LIBS "Build Shared Library (OFF for Static)" ON)
  49 OPTION (THREADSAFE "Build libgit2 as threadsafe" OFF)
  50 OPTION (BUILD_TESTS "Build Tests" ON)
  51 OPTION (BUILD_CLAY "Build Tests using the Clay suite" OFF)
  52
  53 # Platform specific compilation flags
  54 IF (MSVC)
  55         # Not using __stdcall with the CRT causes problems
  56         OPTION (STDCALL "Buildl libgit2 with the __stdcall convention" ON)
  57
  58         SET(CMAKE_C_FLAGS "/W4 /nologo /Zi ${CMAKE_C_FLAGS}")
  59         IF (STDCALL)
  60           SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} /Gz")
  61         ENDIF ()
  62         # TODO: bring back /RTC1 /RTCc
  63         SET(CMAKE_C_FLAGS_DEBUG "/Od /DEBUG /MTd")
  64         SET(CMAKE_C_FLAGS_RELEASE "/MT /O2")
  65         SET(WIN_RC "src/win32/git2.rc")
  66 ELSE ()
  67         SET(CMAKE_C_FLAGS "-O2 -g -Wall -Wextra -Wstrict-aliasing=2 -Wstrict-prototypes -Wmissing-prototypes ${CMAKE_C_FLAGS}")
  68         IF (NOT MINGW) # MinGW always does PIC and complains if we tell it to
  69                 SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fPIC")
  70         ENDIF ()
  71 ENDIF()
  72
  73 # Build Debug by default
  74 IF (NOT CMAKE_BUILD_TYPE)
  75         SET(CMAKE_BUILD_TYPE "Debug" CACHE STRING "Choose the type of build, options are: Debug Release RelWithDebInfo MinSizeRel." FORCE)
  76 ENDIF ()
  77
  78 IF (THREADSAFE)
  79         IF (NOT WIN32)
  80                 find_package(Threads REQUIRED)
  81         ENDIF()
  82
  83         ADD_DEFINITIONS(-DGIT_THREADS)
  84 ENDIF()
  85
  86 ADD_DEFINITIONS(-D_FILE_OFFSET_BITS=64)
  87
  88 # Collect sourcefiles
  89 FILE(GLOB SRC_H include/git2/*.h)
  90
  91 # On Windows use specific platform sources
  92 IF (WIN32 AND NOT CYGWIN)
  93     ADD_DEFINITIONS(-DWIN32 -D_DEBUG)
  94         FILE(GLOB SRC src/*.c src/transports/*.c src/win32/*.c)
  95 ELSE()
  96         FILE(GLOB SRC src/*.c src/transports/*.c src/unix/*.c)
  97 ENDIF ()
  98
  99 # Compile and link libgit2
 100 ADD_LIBRARY(git2 ${SRC} ${SRC_ZLIB} ${SRC_HTTP} ${WIN_RC})
 101
 102 IF (WIN32)
 103         TARGET_LINK_LIBRARIES(git2 ws2_32)
 104 ELSEIF (CMAKE_SYSTEM_NAME MATCHES "(Solaris|SunOS)")
 105         TARGET_LINK_LIBRARIES(git2 socket nsl)
 106 ENDIF ()
 107
 108 TARGET_LINK_LIBRARIES(git2 ${CMAKE_THREAD_LIBS_INIT})
 109 SET_TARGET_PROPERTIES(git2 PROPERTIES VERSION ${LIBGIT2_VERSION_STRING})
 110 SET_TARGET_PROPERTIES(git2 PROPERTIES SOVERSION ${LIBGIT2_VERSION_MAJOR})
 111 CONFIGURE_FILE(${CMAKE_CURRENT_SOURCE_DIR}/libgit2.pc.in ${CMAKE_CURRENT_BINARY_DIR}/libgit2.pc @ONLY)
 112
 113 # Install
 114 INSTALL(TARGETS git2
 115     RUNTIME DESTINATION ${INSTALL_BIN}
 116     LIBRARY DESTINATION ${INSTALL_LIB}
 117     ARCHIVE DESTINATION ${INSTALL_LIB}
 118 )
 119 INSTALL(FILES ${CMAKE_CURRENT_BINARY_DIR}/libgit2.pc DESTINATION ${INSTALL_LIB}/pkgconfig )
 120 INSTALL(DIRECTORY include/git2 DESTINATION ${INSTALL_INC} )
 121 INSTALL(FILES include/git2.h DESTINATION ${INSTALL_INC} )
 122
 123 # Tests
 124 IF (BUILD_TESTS)
 125         SET(TEST_RESOURCES "${CMAKE_CURRENT_SOURCE_DIR}/tests/resources" CACHE PATH "Path to test resources.")
 126         ADD_DEFINITIONS(-DTEST_RESOURCES=\"${TEST_RESOURCES}\")
 127
 128     INCLUDE_DIRECTORIES(tests)
 129         FILE(GLOB SRC_TEST tests/t??-*.c)
 130
 131         ADD_EXECUTABLE(libgit2_test tests/test_main.c tests/test_lib.c tests/test_helpers.c ${SRC} ${SRC_TEST} ${SRC_ZLIB} ${SRC_HTTP})
 132         TARGET_LINK_LIBRARIES(libgit2_test ${CMAKE_THREAD_LIBS_INIT})
 133         IF (WIN32)
 134                 TARGET_LINK_LIBRARIES(libgit2_test ws2_32)
 135         ELSEIF (CMAKE_SYSTEM_NAME MATCHES "(Solaris|SunOS)")
 136                 TARGET_LINK_LIBRARIES(libgit2_test socket nsl)
 137         ENDIF ()
 138
 139         ENABLE_TESTING()
 140         ADD_TEST(libgit2_test libgit2_test)
 141 ENDIF ()
 142
 143 IF (BUILD_CLAY)
 144         SET(CLAY_FIXTURES "${CMAKE_CURRENT_SOURCE_DIR}/tests/resources/")
 145         ADD_DEFINITIONS(-DCLAY_FIXTURE_PATH=\"${CLAY_FIXTURES}\")
 146
 147     INCLUDE_DIRECTORIES(tests-clay)
 148         FILE(GLOB_RECURSE SRC_TEST tests-clay/*.c)
 149
 150         ADD_EXECUTABLE(libgit2_clay ${SRC} ${SRC_TEST} ${SRC_ZLIB} ${SRC_HTTP})
 151         TARGET_LINK_LIBRARIES(libgit2_clay ${CMAKE_THREAD_LIBS_INIT})
 152         IF (WIN32)
 153                 TARGET_LINK_LIBRARIES(libgit2_clay ws2_32)
 154         ELSEIF (CMAKE_SYSTEM_NAME MATCHES "(Solaris|SunOS)")
 155                 TARGET_LINK_LIBRARIES(libgit2_clay socket nsl)
 156         ENDIF ()
 157
 158         ENABLE_TESTING()
 159         ADD_TEST(libgit2_clay libgit2_clay)
 160 ENDIF ()