blob: 4783e3ef98fb74d581193c2d5bb4108232f4eeab [file] [log] [blame]
# 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 2.8)
CMAKE_POLICY(SET CMP0015 NEW)
# Add find modules to the path
SET(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${CMAKE_CURRENT_SOURCE_DIR}/cmake/Modules/")
INCLUDE(CheckLibraryExists)
INCLUDE(CheckFunctionExists)
INCLUDE(CheckSymbolExists)
INCLUDE(CheckStructHasMember)
INCLUDE(AddCFlagIfSupported)
INCLUDE(FindPkgConfig)
# Build options
#
OPTION( SONAME "Set the (SO)VERSION of the target" ON )
OPTION( BUILD_SHARED_LIBS "Build Shared Library (OFF for Static)" ON )
OPTION( THREADSAFE "Build libgit2 as threadsafe" ON )
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 )
OPTION( ENABLE_TRACE "Enables tracing support" OFF )
OPTION( LIBGIT2_FILENAME "Name of the produced binary" OFF )
OPTION( USE_SHA1DC "Use SHA-1 with collision detection" OFF )
OPTION( USE_ICONV "Link with and use iconv library" OFF )
OPTION( USE_SSH "Link with libssh to enable SSH support" ON )
OPTION( USE_GSSAPI "Link with libgssapi for SPNEGO auth" OFF )
OPTION( VALGRIND "Configure build for valgrind" OFF )
OPTION( CURL "Use curl for HTTP if available" ON)
OPTION( DEBUG_POOL "Enable debug pool allocator" OFF )
IF(DEBUG_POOL)
ADD_DEFINITIONS(-DGIT_DEBUG_POOL)
ENDIF()
IF(${CMAKE_SYSTEM_NAME} MATCHES "Darwin")
SET( USE_ICONV ON )
FIND_PACKAGE(Security)
FIND_PACKAGE(CoreFoundation REQUIRED)
ENDIF()
IF(MSVC)
# This option is only available when building with MSVC. By default, libgit2
# is build using the cdecl calling convention, which is useful if you're
# writing C. However, the CLR and Win32 API both expect stdcall.
#
# If you are writing a CLR program and want to link to libgit2, you'll want
# to turn this on by invoking CMake with the "-DSTDCALL=ON" argument.
OPTION( STDCALL "Build libgit2 with the __stdcall convention" OFF )
# This option must match the settings used in your program, in particular if you
# are linking statically
OPTION( STATIC_CRT "Link the static CRT libraries" ON )
# If you want to embed a copy of libssh2 into libgit2, pass a
# path to libssh2
OPTION( EMBED_SSH_PATH "Path to libssh2 to embed (Windows)" OFF )
ADD_DEFINITIONS(-D_SCL_SECURE_NO_WARNINGS)
ADD_DEFINITIONS(-D_CRT_SECURE_NO_DEPRECATE)
ADD_DEFINITIONS(-D_CRT_NONSTDC_NO_DEPRECATE)
ENDIF()
IF(WIN32)
# By default, libgit2 is built with WinHTTP. To use the built-in
# HTTP transport, invoke CMake with the "-DWINHTTP=OFF" argument.
OPTION( WINHTTP "Use Win32 WinHTTP routines" ON )
ENDIF()
IF(MSVC)
# Enable MSVC CRTDBG memory leak reporting when in debug mode.
OPTION(MSVC_CRTDBG "Enable CRTDBG memory leak reporting" OFF)
ENDIF()
IF (NOT ${CMAKE_SYSTEM_NAME} MATCHES "Darwin")
OPTION( USE_OPENSSL "Link with and use openssl library" ON )
ENDIF()
CHECK_STRUCT_HAS_MEMBER ("struct stat" st_mtim "sys/types.h;sys/stat.h"
HAVE_STRUCT_STAT_ST_MTIM LANGUAGE C)
CHECK_STRUCT_HAS_MEMBER ("struct stat" st_mtimespec "sys/types.h;sys/stat.h"
HAVE_STRUCT_STAT_ST_MTIMESPEC LANGUAGE C)
CHECK_STRUCT_HAS_MEMBER("struct stat" st_mtime_nsec sys/stat.h
HAVE_STRUCT_STAT_MTIME_NSEC LANGUAGE C)
IF (HAVE_STRUCT_STAT_ST_MTIM)
CHECK_STRUCT_HAS_MEMBER("struct stat" st_mtim.tv_nsec sys/stat.h
HAVE_STRUCT_STAT_NSEC LANGUAGE C)
ELSEIF (HAVE_STRUCT_STAT_ST_MTIMESPEC)
CHECK_STRUCT_HAS_MEMBER("struct stat" st_mtimespec.tv_nsec sys/stat.h
HAVE_STRUCT_STAT_NSEC LANGUAGE C)
ELSE ()
SET( HAVE_STRUCT_STAT_NSEC ON )
ENDIF()
IF (HAVE_STRUCT_STAT_NSEC OR WIN32)
OPTION( USE_NSEC "Care about sub-second file mtimes and ctimes" ON )
ENDIF()
# This variable will contain the libraries we need to put into
# libgit2.pc's Requires.private. That is, what we're linking to or
# what someone who's statically linking us needs to link to.
SET(LIBGIT2_PC_REQUIRES "")
# This will be set later if we use the system's http-parser library or
# use iconv (OSX) and will be written to the Libs.private field in the
# pc file.
SET(LIBGIT2_PC_LIBS "")
# Installation paths
#
SET(BIN_INSTALL_DIR bin CACHE PATH "Where to install binaries to.")
SET(LIB_INSTALL_DIR lib CACHE PATH "Where to install libraries to.")
SET(INCLUDE_INSTALL_DIR include CACHE PATH "Where to install headers to.")
# Set a couple variables to be substituted inside the .pc file.
# We can't just use LIB_INSTALL_DIR in the .pc file, as passing them as absolue
# or relative paths is both valid and supported by cmake.
SET (PKGCONFIG_PREFIX ${CMAKE_INSTALL_PREFIX})
IF(IS_ABSOLUTE ${LIB_INSTALL_DIR})
SET (PKGCONFIG_LIBDIR ${LIB_INSTALL_DIR})
ELSE(IS_ABSOLUTE ${LIB_INSTALL_DIR})
SET (PKGCONFIG_LIBDIR "\${prefix}/${LIB_INSTALL_DIR}")
ENDIF (IS_ABSOLUTE ${LIB_INSTALL_DIR})
IF(IS_ABSOLUTE ${INCLUDE_INSTALL_DIR})
SET (PKGCONFIG_INCLUDEDIR ${INCLUDE_INSTALL_DIR})
ELSE(IS_ABSOLUTE ${INCLUDE_INSTALL_DIR})
SET (PKGCONFIG_INCLUDEDIR "\${prefix}/${INCLUDE_INSTALL_DIR}")
ENDIF(IS_ABSOLUTE ${INCLUDE_INSTALL_DIR})
FUNCTION(TARGET_OS_LIBRARIES target)
IF(WIN32)
TARGET_LINK_LIBRARIES(${target} ws2_32)
ELSEIF(CMAKE_SYSTEM_NAME MATCHES "(Solaris|SunOS)")
TARGET_LINK_LIBRARIES(${target} socket nsl)
LIST(APPEND LIBGIT2_PC_LIBS "-lsocket" "-lnsl")
SET(LIBGIT2_PC_LIBS ${LIBGIT2_PC_LIBS} PARENT_SCOPE)
ELSEIF(CMAKE_SYSTEM_NAME MATCHES "Haiku")
TARGET_LINK_LIBRARIES(${target} network)
LIST(APPEND LIBGIT2_PC_LIBS "-lnetwork")
SET(LIBGIT2_PC_LIBS ${LIBGIT2_PC_LIBS} PARENT_SCOPE)
ENDIF()
CHECK_LIBRARY_EXISTS(rt clock_gettime "time.h" NEED_LIBRT)
IF(NEED_LIBRT)
TARGET_LINK_LIBRARIES(${target} rt)
LIST(APPEND LIBGIT2_PC_LIBS "-lrt")
SET(LIBGIT2_PC_LIBS ${LIBGIT2_PC_LIBS} PARENT_SCOPE)
ENDIF()
IF(THREADSAFE)
TARGET_LINK_LIBRARIES(${target} ${CMAKE_THREAD_LIBS_INIT})
LIST(APPEND LIBGIT2_PC_LIBS ${CMAKE_THREAD_LIBS_INIT})
SET(LIBGIT2_PC_LIBS ${LIBGIT2_PC_LIBS} PARENT_SCOPE)
ENDIF()
ENDFUNCTION()
# This function splits the sources files up into their appropriate
# subdirectories. This is especially useful for IDEs like Xcode and
# Visual Studio, so that you can navigate into the libgit2_clar project,
# and see the folders within the tests folder (instead of just seeing all
# source and tests in a single folder.)
FUNCTION(IDE_SPLIT_SOURCES target)
IF(MSVC_IDE OR CMAKE_GENERATOR STREQUAL Xcode)
GET_TARGET_PROPERTY(sources ${target} SOURCES)
FOREACH(source ${sources})
IF(source MATCHES ".*/")
STRING(REPLACE ${CMAKE_CURRENT_SOURCE_DIR}/ "" rel ${source})
IF(rel)
STRING(REGEX REPLACE "/([^/]*)$" "" rel ${rel})
IF(rel)
STRING(REPLACE "/" "\\\\" rel ${rel})
SOURCE_GROUP(${rel} FILES ${source})
ENDIF()
ENDIF()
ENDIF()
ENDFOREACH()
ENDIF()
ENDFUNCTION()
FILE(STRINGS "include/git2/version.h" GIT2_HEADER REGEX "^#define LIBGIT2_VERSION \"[^\"]*\"$")
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}.${LIBGIT2_VERSION_REV}")
FILE(STRINGS "include/git2/version.h" GIT2_HEADER_SOVERSION REGEX "^#define LIBGIT2_SOVERSION [0-9]+$")
STRING(REGEX REPLACE "^.*LIBGIT2_SOVERSION ([0-9]+)$" "\\1" LIBGIT2_SOVERSION "${GIT2_HEADER_SOVERSION}")
# Find required dependencies
INCLUDE_DIRECTORIES(src include)
IF (SECURITY_FOUND)
# OS X 10.7 and older do not have some functions we use, fall back to OpenSSL there
CHECK_LIBRARY_EXISTS("${SECURITY_DIRS}" SSLCreateContext "Security/SecureTransport.h" HAVE_NEWER_SECURITY)
IF (HAVE_NEWER_SECURITY)
MESSAGE("-- Found Security ${SECURITY_DIRS}")
LIST(APPEND LIBGIT2_PC_LIBS "-framework Security")
ELSE()
MESSAGE("-- Security framework is too old, falling back to OpenSSL")
SET(SECURITY_FOUND "NO")
SET(SECURITY_DIRS "")
SET(SECURITY_DIR "")
SET(USE_OPENSSL "ON")
ENDIF()
ENDIF()
IF (COREFOUNDATION_FOUND)
MESSAGE("-- Found CoreFoundation ${COREFOUNDATION_DIRS}")
LIST(APPEND LIBGIT2_PC_LIBS "-framework CoreFoundation")
ENDIF()
IF (WIN32 AND EMBED_SSH_PATH)
FILE(GLOB SRC_SSH "${EMBED_SSH_PATH}/src/*.c")
INCLUDE_DIRECTORIES("${EMBED_SSH_PATH}/include")
FILE(WRITE "${EMBED_SSH_PATH}/src/libssh2_config.h" "#define HAVE_WINCNG\n#define LIBSSH2_WINCNG\n#include \"../win32/libssh2_config.h\"")
ADD_DEFINITIONS(-DGIT_SSH)
ENDIF()
IF (WIN32 AND WINHTTP)
ADD_DEFINITIONS(-DGIT_WINHTTP)
ADD_DEFINITIONS(-DGIT_HTTPS)
# Since MinGW does not come with headers or an import library for winhttp,
# we have to include a private header and generate our own import library
IF (MINGW)
FIND_PROGRAM(DLLTOOL dlltool CMAKE_FIND_ROOT_PATH_BOTH)
IF (NOT DLLTOOL)
MESSAGE(FATAL_ERROR "Could not find dlltool command")
ENDIF ()
SET(LIBWINHTTP_PATH "${CMAKE_CURRENT_BINARY_DIR}/deps/winhttp")
FILE(MAKE_DIRECTORY ${LIBWINHTTP_PATH})
IF (CMAKE_SIZEOF_VOID_P EQUAL 8)
set(WINHTTP_DEF "${CMAKE_CURRENT_SOURCE_DIR}/deps/winhttp/winhttp64.def")
ELSE()
set(WINHTTP_DEF "${CMAKE_CURRENT_SOURCE_DIR}/deps/winhttp/winhttp.def")
ENDIF()
ADD_CUSTOM_COMMAND(
OUTPUT ${LIBWINHTTP_PATH}/libwinhttp.a
COMMAND ${DLLTOOL} -d ${WINHTTP_DEF} -k -D winhttp.dll -l libwinhttp.a
DEPENDS ${WINHTTP_DEF}
WORKING_DIRECTORY ${LIBWINHTTP_PATH}
)
SET_SOURCE_FILES_PROPERTIES(
${CMAKE_CURRENT_SOURCE_DIR}/src/transports/winhttp.c
PROPERTIES OBJECT_DEPENDS ${LIBWINHTTP_PATH}/libwinhttp.a
)
INCLUDE_DIRECTORIES(deps/winhttp)
LINK_DIRECTORIES(${LIBWINHTTP_PATH})
ENDIF ()
LINK_LIBRARIES(winhttp rpcrt4 crypt32 ole32)
LIST(APPEND LIBGIT2_PC_LIBS "-lwinhttp" "-lrpcrt4" "-lcrypt32" "-lole32")
ELSE ()
IF (CURL)
PKG_CHECK_MODULES(CURL libcurl)
ENDIF ()
IF (NOT AMIGA AND USE_OPENSSL)
FIND_PACKAGE(OpenSSL)
ENDIF ()
IF (CURL_FOUND)
ADD_DEFINITIONS(-DGIT_CURL)
INCLUDE_DIRECTORIES(${CURL_INCLUDE_DIRS})
LINK_DIRECTORIES(${CURL_LIBRARY_DIRS})
LINK_LIBRARIES(${CURL_LIBRARIES})
LIST(APPEND LIBGIT2_PC_LIBS ${CURL_LDFLAGS})
ENDIF()
ENDIF()
# Specify sha1 implementation
IF (USE_SHA1DC)
ADD_DEFINITIONS(-DGIT_SHA1_COLLISIONDETECT)
ADD_DEFINITIONS(-DSHA1DC_NO_STANDARD_INCLUDES=1)
ADD_DEFINITIONS(-DSHA1DC_CUSTOM_INCLUDE_SHA1_C=\"common.h\")
ADD_DEFINITIONS(-DSHA1DC_CUSTOM_INCLUDE_UBC_CHECK_C=\"common.h\")
FILE(GLOB SRC_SHA1 src/hash/hash_collisiondetect.c src/hash/sha1dc/*)
ELSEIF (WIN32 AND NOT MINGW)
ADD_DEFINITIONS(-DGIT_SHA1_WIN32)
FILE(GLOB SRC_SHA1 src/hash/hash_win32.c)
ELSEIF (${CMAKE_SYSTEM_NAME} MATCHES "Darwin")
ADD_DEFINITIONS(-DGIT_SHA1_COMMON_CRYPTO)
ELSEIF (OPENSSL_FOUND)
ADD_DEFINITIONS(-DGIT_SHA1_OPENSSL)
IF (CMAKE_SYSTEM_NAME MATCHES "FreeBSD")
LIST(APPEND LIBGIT2_PC_LIBS "-lssl")
ELSE()
SET(LIBGIT2_PC_REQUIRES "${LIBGIT2_PC_REQUIRES} openssl")
ENDIF ()
ELSE()
FILE(GLOB SRC_SHA1 src/hash/hash_generic.c)
ENDIF()
# Enable tracing
IF (ENABLE_TRACE STREQUAL "ON")
ADD_DEFINITIONS(-DGIT_TRACE)
ENDIF()
# Include POSIX regex when it is required
IF(WIN32 OR AMIGA OR CMAKE_SYSTEM_NAME MATCHES "(Solaris|SunOS)")
INCLUDE_DIRECTORIES(deps/regex)
SET(SRC_REGEX deps/regex/regex.c)
ENDIF()
# Optional external dependency: http-parser
FIND_PACKAGE(HTTP_Parser)
IF (HTTP_PARSER_FOUND AND HTTP_PARSER_VERSION_MAJOR EQUAL 2)
INCLUDE_DIRECTORIES(${HTTP_PARSER_INCLUDE_DIRS})
LINK_LIBRARIES(${HTTP_PARSER_LIBRARIES})
LIST(APPEND LIBGIT2_PC_LIBS "-lhttp_parser")
ELSE()
MESSAGE(STATUS "http-parser version 2 was not found; using bundled 3rd-party sources.")
INCLUDE_DIRECTORIES(deps/http-parser)
FILE(GLOB SRC_HTTP deps/http-parser/*.c deps/http-parser/*.h)
ENDIF()
# Optional external dependency: zlib
FIND_PACKAGE(ZLIB)
IF (ZLIB_FOUND)
INCLUDE_DIRECTORIES(${ZLIB_INCLUDE_DIRS})
LINK_LIBRARIES(${ZLIB_LIBRARIES})
IF(APPLE OR CMAKE_SYSTEM_NAME MATCHES "FreeBSD")
LIST(APPEND LIBGIT2_PC_LIBS "-lz")
ELSE()
SET(LIBGIT2_PC_REQUIRES "${LIBGIT2_PC_REQUIRES} zlib")
ENDIF()
ELSE()
MESSAGE(STATUS "zlib was not found; using bundled 3rd-party sources." )
INCLUDE_DIRECTORIES(deps/zlib)
ADD_DEFINITIONS(-DNO_VIZ -DSTDC -DNO_GZIP)
FILE(GLOB SRC_ZLIB deps/zlib/*.c deps/zlib/*.h)
ENDIF()
# Optional external dependency: libssh2
IF (USE_SSH)
PKG_CHECK_MODULES(LIBSSH2 libssh2)
ENDIF()
IF (LIBSSH2_FOUND)
ADD_DEFINITIONS(-DGIT_SSH)
INCLUDE_DIRECTORIES(${LIBSSH2_INCLUDE_DIRS})
LINK_DIRECTORIES(${LIBSSH2_LIBRARY_DIRS})
LIST(APPEND LIBGIT2_PC_LIBS ${LIBSSH2_LDFLAGS})
#SET(LIBGIT2_PC_LIBS "${LIBGIT2_PC_LIBS} ${LIBSSH2_LDFLAGS}")
SET(SSH_LIBRARIES ${LIBSSH2_LIBRARIES})
CHECK_LIBRARY_EXISTS("${LIBSSH2_LIBRARIES}" libssh2_userauth_publickey_frommemory "${LIBSSH2_LIBRARY_DIRS}" HAVE_LIBSSH2_MEMORY_CREDENTIALS)
IF (HAVE_LIBSSH2_MEMORY_CREDENTIALS)
ADD_DEFINITIONS(-DGIT_SSH_MEMORY_CREDENTIALS)
ENDIF()
ELSE()
MESSAGE(STATUS "LIBSSH2 not found. Set CMAKE_PREFIX_PATH if it is installed outside of the default search path.")
ENDIF()
# Optional external dependency: libgssapi
IF (USE_GSSAPI)
FIND_PACKAGE(GSSAPI)
ENDIF()
IF (GSSAPI_FOUND)
ADD_DEFINITIONS(-DGIT_GSSAPI)
ENDIF()
# Optional external dependency: iconv
IF (USE_ICONV)
FIND_PACKAGE(Iconv)
ENDIF()
IF (ICONV_FOUND)
ADD_DEFINITIONS(-DGIT_USE_ICONV)
INCLUDE_DIRECTORIES(${ICONV_INCLUDE_DIR})
LIST(APPEND LIBGIT2_PC_LIBS ${ICONV_LIBRARIES})
ENDIF()
# Platform specific compilation flags
IF (MSVC)
STRING(REPLACE "/Zm1000" " " CMAKE_C_FLAGS "${CMAKE_C_FLAGS}")
# /GF - String pooling
# /MP - Parallel build
SET(CMAKE_C_FLAGS "/GF /MP /nologo ${CMAKE_C_FLAGS}")
IF (STDCALL)
# /Gz - stdcall calling convention
SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} /Gz")
ENDIF ()
IF (STATIC_CRT)
SET(CRT_FLAG_DEBUG "/MTd")
SET(CRT_FLAG_RELEASE "/MT")
ELSE()
SET(CRT_FLAG_DEBUG "/MDd")
SET(CRT_FLAG_RELEASE "/MD")
ENDIF()
IF (MSVC_CRTDBG)
SET(CRT_FLAG_DEBUG "${CRT_FLAG_DEBUG} /DGIT_MSVC_CRTDBG")
SET(CMAKE_C_STANDARD_LIBRARIES "${CMAKE_C_STANDARD_LIBRARIES}" "Dbghelp.lib")
ENDIF()
# /Zi - Create debugging information
# /Od - Disable optimization
# /D_DEBUG - #define _DEBUG
# /MTd - Statically link the multithreaded debug version of the CRT
# /MDd - Dynamically link the multithreaded debug version of the CRT
# /RTC1 - Run time checks
SET(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} /Zi /Od /D_DEBUG /RTC1 ${CRT_FLAG_DEBUG}")
# /DNDEBUG - Disables asserts
# /MT - Statically link the multithreaded release version of the CRT
# /MD - Dynamically link the multithreaded release version of the CRT
# /O2 - Optimize for speed
# /Oy - Enable frame pointer omission (FPO) (otherwise CMake will automatically turn it off)
# /GL - Link time code generation (whole program optimization)
# /Gy - Function-level linking
SET(CMAKE_C_FLAGS_RELEASE "/DNDEBUG /O2 /Oy /GL /Gy ${CRT_FLAG_RELEASE}")
# /Oy- - Disable frame pointer omission (FPO)
SET(CMAKE_C_FLAGS_RELWITHDEBINFO "/DNDEBUG /Zi /O2 /Oy- /GL /Gy ${CRT_FLAG_RELEASE}")
# /O1 - Optimize for size
SET(CMAKE_C_FLAGS_MINSIZEREL "/DNDEBUG /O1 /Oy /GL /Gy ${CRT_FLAG_RELEASE}")
# /DYNAMICBASE - Address space load randomization (ASLR)
# /NXCOMPAT - Data execution prevention (DEP)
# /LARGEADDRESSAWARE - >2GB user address space on x86
# /VERSION - Embed version information in PE header
SET(CMAKE_EXE_LINKER_FLAGS "/DYNAMICBASE /NXCOMPAT /LARGEADDRESSAWARE /VERSION:${LIBGIT2_VERSION_MAJOR}.${LIBGIT2_VERSION_MINOR}")
# /DEBUG - Create a PDB
# /LTCG - Link time code generation (whole program optimization)
# /OPT:REF /OPT:ICF - Fold out duplicate code at link step
# /INCREMENTAL:NO - Required to use /LTCG
# /DEBUGTYPE:cv,fixup - Additional data embedded in the PDB (requires /INCREMENTAL:NO, so not on for Debug)
SET(CMAKE_EXE_LINKER_FLAGS_DEBUG "/DEBUG")
SET(CMAKE_EXE_LINKER_FLAGS_RELEASE "/RELEASE /LTCG /OPT:REF /OPT:ICF /INCREMENTAL:NO")
SET(CMAKE_EXE_LINKER_FLAGS_RELWITHDEBINFO "/DEBUG /RELEASE /LTCG /OPT:REF /OPT:ICF /INCREMENTAL:NO /DEBUGTYPE:cv,fixup")
SET(CMAKE_EXE_LINKER_FLAGS_MINSIZEREL "/RELEASE /LTCG /OPT:REF /OPT:ICF /INCREMENTAL:NO")
# Same linker settings for DLL as EXE
SET(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS}")
SET(CMAKE_SHARED_LINKER_FLAGS_DEBUG "${CMAKE_EXE_LINKER_FLAGS_DEBUG}")
SET(CMAKE_SHARED_LINKER_FLAGS_RELEASE "${CMAKE_EXE_LINKER_FLAGS_RELEASE}")
SET(CMAKE_SHARED_LINKER_FLAGS_RELWITHDEBINFO "${CMAKE_EXE_LINKER_FLAGS_RELWITHDEBINFO}")
SET(CMAKE_SHARED_LINKER_FLAGS_MINSIZEREL "${CMAKE_EXE_LINKER_FLAGS_MINSIZEREL}")
SET(WIN_RC "src/win32/git2.rc")
ELSE ()
SET(CMAKE_C_FLAGS "-D_GNU_SOURCE ${CMAKE_C_FLAGS}")
ADD_C_FLAG_IF_SUPPORTED(-Wall)
ADD_C_FLAG_IF_SUPPORTED(-Wextra)
IF (CMAKE_SYSTEM_NAME MATCHES "(Solaris|SunOS)")
SET(CMAKE_C_FLAGS "-std=c99 -D_POSIX_C_SOURCE=200112L -D__EXTENSIONS__ -D_POSIX_PTHREAD_SEMANTICS ${CMAKE_C_FLAGS}")
ENDIF()
SET(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} -D_DEBUG -O0")
IF (MINGW OR MSYS) # MinGW and MSYS always do PIC and complain if we tell them to
STRING(REGEX REPLACE "-fPIC" "" CMAKE_SHARED_LIBRARY_C_FLAGS "${CMAKE_SHARED_LIBRARY_C_FLAGS}")
ELSEIF (BUILD_SHARED_LIBS)
ADD_C_FLAG_IF_SUPPORTED(-fvisibility=hidden)
SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fPIC")
ENDIF ()
IF (MINGW)
# MinGW >= 3.14 uses the C99-style stdio functions
# automatically, but forks like mingw-w64 still want
# us to define this in order to use them
ADD_DEFINITIONS(-D__USE_MINGW_ANSI_STDIO=1)
ENDIF ()
ADD_C_FLAG_IF_SUPPORTED(-Wdocumentation)
ADD_C_FLAG_IF_SUPPORTED(-Wno-missing-field-initializers)
ADD_C_FLAG_IF_SUPPORTED(-Wstrict-aliasing=2)
ADD_C_FLAG_IF_SUPPORTED(-Wstrict-prototypes)
ADD_C_FLAG_IF_SUPPORTED(-Wdeclaration-after-statement)
ADD_C_FLAG_IF_SUPPORTED(-Wno-unused-const-variable)
ADD_C_FLAG_IF_SUPPORTED(-Wno-unused-function)
IF (APPLE) # Apple deprecated OpenSSL
ADD_C_FLAG_IF_SUPPORTED(-Wno-deprecated-declarations)
ENDIF()
IF (PROFILE)
SET(CMAKE_C_FLAGS "-pg ${CMAKE_C_FLAGS}")
SET(CMAKE_EXE_LINKER_FLAGS "-pg ${CMAKE_EXE_LINKER_FLAGS}")
ENDIF ()
ENDIF()
CHECK_SYMBOL_EXISTS(regcomp_l "regex.h;xlocale.h" HAVE_REGCOMP_L)
IF (HAVE_REGCOMP_L)
ADD_DEFINITIONS(-DHAVE_REGCOMP_L)
ENDIF ()
CHECK_FUNCTION_EXISTS(futimens HAVE_FUTIMENS)
IF (HAVE_FUTIMENS)
ADD_DEFINITIONS(-DHAVE_FUTIMENS)
ENDIF ()
CHECK_FUNCTION_EXISTS(qsort_r HAVE_QSORT_R)
IF (HAVE_QSORT_R)
ADD_DEFINITIONS(-DHAVE_QSORT_R)
ENDIF ()
CHECK_FUNCTION_EXISTS(qsort_s HAVE_QSORT_S)
IF (HAVE_QSORT_S)
ADD_DEFINITIONS(-DHAVE_QSORT_S)
ENDIF ()
IF( NOT CMAKE_CONFIGURATION_TYPES )
# Build Debug by default
IF (NOT CMAKE_BUILD_TYPE)
SET(CMAKE_BUILD_TYPE "Debug" CACHE STRING "Choose the type of build, options are: Debug Release RelWithDebInfo MinSizeRel." FORCE)
ENDIF ()
ELSE()
# Using a multi-configuration generator eg MSVC or Xcode
# that uses CMAKE_CONFIGURATION_TYPES and not CMAKE_BUILD_TYPE
ENDIF()
IF (SECURITY_FOUND)
ADD_DEFINITIONS(-DGIT_SECURE_TRANSPORT)
ADD_DEFINITIONS(-DGIT_HTTPS)
INCLUDE_DIRECTORIES(${SECURITY_INCLUDE_DIR})
ENDIF ()
IF (OPENSSL_FOUND)
ADD_DEFINITIONS(-DGIT_OPENSSL)
ADD_DEFINITIONS(-DGIT_HTTPS)
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()
IF (USE_NSEC)
ADD_DEFINITIONS(-DGIT_USE_NSEC)
ENDIF()
IF (HAVE_STRUCT_STAT_ST_MTIM)
ADD_DEFINITIONS(-DGIT_USE_STAT_MTIM)
ELSEIF (HAVE_STRUCT_STAT_ST_MTIMESPEC)
ADD_DEFINITIONS(-DGIT_USE_STAT_MTIMESPEC)
ELSEIF (HAVE_STRUCT_STAT_ST_MTIME_NSEC)
ADD_DEFINITIONS(-DGIT_USE_STAT_MTIME_NSEC)
ENDIF()
ADD_DEFINITIONS(-D_FILE_OFFSET_BITS=64)
# Collect sourcefiles
FILE(GLOB SRC_H include/git2.h include/git2/*.h include/git2/sys/*.h)
# On Windows use specific platform sources
IF (WIN32 AND NOT CYGWIN)
ADD_DEFINITIONS(-DWIN32 -D_WIN32_WINNT=0x0501)
FILE(GLOB SRC_OS src/win32/*.c src/win32/*.h)
ELSEIF (AMIGA)
ADD_DEFINITIONS(-DNO_ADDRINFO -DNO_READDIR_R -DNO_MMAP)
ELSE()
IF (VALGRIND)
ADD_DEFINITIONS(-DNO_MMAP)
ENDIF()
FILE(GLOB SRC_OS src/unix/*.c src/unix/*.h)
ENDIF()
FILE(GLOB SRC_GIT2 src/*.c src/*.h src/transports/*.c src/transports/*.h src/xdiff/*.c src/xdiff/*.h)
# Determine architecture of the machine
IF (CMAKE_SIZEOF_VOID_P EQUAL 8)
ADD_DEFINITIONS(-DGIT_ARCH_64)
ELSEIF (CMAKE_SIZEOF_VOID_P EQUAL 4)
ADD_DEFINITIONS(-DGIT_ARCH_32)
ELSEIF (CMAKE_SIZEOF_VOID_P)
MESSAGE(FATAL_ERROR "Unsupported architecture (pointer size is ${CMAKE_SIZEOF_VOID_P} bytes)")
ELSE()
MESSAGE(FATAL_ERROR "Unsupported architecture (CMAKE_SIZEOF_VOID_P is unset)")
ENDIF()
# Compile and link libgit2
ADD_LIBRARY(git2 ${SRC_H} ${SRC_GIT2} ${SRC_OS} ${SRC_ZLIB} ${SRC_HTTP} ${SRC_REGEX} ${SRC_SSH} ${SRC_SHA1} ${WIN_RC})
TARGET_LINK_LIBRARIES(git2 ${SECURITY_DIRS})
TARGET_LINK_LIBRARIES(git2 ${COREFOUNDATION_DIRS})
TARGET_LINK_LIBRARIES(git2 ${SSL_LIBRARIES})
TARGET_LINK_LIBRARIES(git2 ${SSH_LIBRARIES})
TARGET_LINK_LIBRARIES(git2 ${GSSAPI_LIBRARIES})
TARGET_LINK_LIBRARIES(git2 ${ICONV_LIBRARIES})
TARGET_OS_LIBRARIES(git2)
# Workaround for Cmake bug #0011240 (see http://public.kitware.com/Bug/view.php?id=11240)
# Win64+MSVC+static libs = linker error
IF(MSVC AND GIT_ARCH_64 AND NOT BUILD_SHARED_LIBS)
SET_TARGET_PROPERTIES(git2 PROPERTIES STATIC_LIBRARY_FLAGS "/MACHINE:x64")
ENDIF()
IDE_SPLIT_SOURCES(git2)
IF (SONAME)
SET_TARGET_PROPERTIES(git2 PROPERTIES VERSION ${LIBGIT2_VERSION_STRING})
SET_TARGET_PROPERTIES(git2 PROPERTIES SOVERSION ${LIBGIT2_SOVERSION})
IF (LIBGIT2_FILENAME)
ADD_DEFINITIONS(-DLIBGIT2_FILENAME=\"${LIBGIT2_FILENAME}\")
SET_TARGET_PROPERTIES(git2 PROPERTIES OUTPUT_NAME ${LIBGIT2_FILENAME})
ELSEIF (DEFINED LIBGIT2_PREFIX)
SET_TARGET_PROPERTIES(git2 PROPERTIES PREFIX "${LIBGIT2_PREFIX}")
ENDIF()
ENDIF()
STRING(REPLACE ";" " " LIBGIT2_PC_LIBS "${LIBGIT2_PC_LIBS}")
CONFIGURE_FILE(${CMAKE_CURRENT_SOURCE_DIR}/libgit2.pc.in ${CMAKE_CURRENT_BINARY_DIR}/libgit2.pc @ONLY)
IF (MSVC_IDE)
# Precompiled headers
SET_TARGET_PROPERTIES(git2 PROPERTIES COMPILE_FLAGS "/Yuprecompiled.h /FIprecompiled.h")
SET_SOURCE_FILES_PROPERTIES(src/win32/precompiled.c COMPILE_FLAGS "/Ycprecompiled.h")
ENDIF ()
# Install
INSTALL(TARGETS git2
RUNTIME DESTINATION ${BIN_INSTALL_DIR}
LIBRARY DESTINATION ${LIB_INSTALL_DIR}
ARCHIVE DESTINATION ${LIB_INSTALL_DIR}
)
INSTALL(FILES ${CMAKE_CURRENT_BINARY_DIR}/libgit2.pc DESTINATION ${LIB_INSTALL_DIR}/pkgconfig )
INSTALL(DIRECTORY include/git2 DESTINATION ${INCLUDE_INSTALL_DIR} )
INSTALL(FILES include/git2.h DESTINATION ${INCLUDE_INSTALL_DIR} )
# Tests
IF (BUILD_CLAR)
FIND_PACKAGE(PythonInterp)
IF(NOT PYTHONINTERP_FOUND)
MESSAGE(FATAL_ERROR "Could not find a python interpeter, which is needed to build the tests. "
"Make sure python is available, or pass -DBUILD_CLAR=OFF to skip building the tests")
ENDIF()
SET(CLAR_FIXTURES "${CMAKE_CURRENT_SOURCE_DIR}/tests/resources/")
SET(CLAR_PATH "${CMAKE_CURRENT_SOURCE_DIR}/tests")
SET(CLAR_RESOURCES "${CMAKE_CURRENT_SOURCE_DIR}/tests/resources" CACHE PATH "Path to test resources.")
ADD_DEFINITIONS(-DCLAR_FIXTURE_PATH=\"${CLAR_FIXTURES}\")
ADD_DEFINITIONS(-DCLAR_RESOURCES=\"${TEST_RESOURCES}\")
ADD_DEFINITIONS(-DCLAR_TMPDIR=\"libgit2_tests\")
INCLUDE_DIRECTORIES(${CLAR_PATH})
FILE(GLOB_RECURSE SRC_TEST ${CLAR_PATH}/*/*.c ${CLAR_PATH}/*/*.h)
SET(SRC_CLAR "${CLAR_PATH}/main.c" "${CLAR_PATH}/clar_libgit2.c" "${CLAR_PATH}/clar_libgit2_trace.c" "${CLAR_PATH}/clar_libgit2_timer.c" "${CLAR_PATH}/clar.c")
ADD_CUSTOM_COMMAND(
OUTPUT ${CLAR_PATH}/clar.suite
COMMAND ${PYTHON_EXECUTABLE} generate.py -f -xonline -xstress .
DEPENDS ${SRC_TEST}
WORKING_DIRECTORY ${CLAR_PATH}
)
SET_SOURCE_FILES_PROPERTIES(
${CLAR_PATH}/clar.c
PROPERTIES OBJECT_DEPENDS ${CLAR_PATH}/clar.suite)
ADD_EXECUTABLE(libgit2_clar ${SRC_H} ${SRC_GIT2} ${SRC_OS} ${SRC_CLAR} ${SRC_TEST} ${SRC_ZLIB} ${SRC_HTTP} ${SRC_REGEX} ${SRC_SSH} ${SRC_SHA1})
TARGET_LINK_LIBRARIES(libgit2_clar ${COREFOUNDATION_DIRS})
TARGET_LINK_LIBRARIES(libgit2_clar ${SECURITY_DIRS})
TARGET_LINK_LIBRARIES(libgit2_clar ${SSL_LIBRARIES})
TARGET_LINK_LIBRARIES(libgit2_clar ${SSH_LIBRARIES})
TARGET_LINK_LIBRARIES(libgit2_clar ${GSSAPI_LIBRARIES})
TARGET_LINK_LIBRARIES(libgit2_clar ${ICONV_LIBRARIES})
TARGET_OS_LIBRARIES(libgit2_clar)
IDE_SPLIT_SOURCES(libgit2_clar)
IF (MSVC_IDE)
# Precompiled headers
SET_TARGET_PROPERTIES(libgit2_clar PROPERTIES COMPILE_FLAGS "/Yuprecompiled.h /FIprecompiled.h")
ENDIF ()
ENABLE_TESTING()
IF (WINHTTP OR OPENSSL_FOUND OR SECURITY_FOUND)
ADD_TEST(libgit2_clar libgit2_clar -ionline -xclone::local::git_style_unc_paths -xclone::local::standard_unc_paths_are_written_git_style)
ELSE ()
ADD_TEST(libgit2_clar libgit2_clar -v -xclone::local::git_style_unc_paths -xclone::local::standard_unc_paths_are_written_git_style)
ENDIF ()
# Add a test target which runs the cred callback tests, to be
# called after setting the url and user
ADD_TEST(libgit2_clar-cred_callback libgit2_clar -v -sonline::clone::cred_callback)
ADD_TEST(libgit2_clar-proxy_credentials_in_url libgit2_clar -v -sonline::clone::proxy_credentials_in_url)
ADD_TEST(libgit2_clar-proxy_credentials_request libgit2_clar -v -sonline::clone::proxy_credentials_request)
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)
ADD_SUBDIRECTORY(examples)
ENDIF ()