[libgit2.git] / 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)

# Add find modules to the path
SET(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${CMAKE_CURRENT_SOURCE_DIR}/cmake/Modules/")

INCLUDE(CheckLibraryExists)
INCLUDE(AddCFlagIfSupported)

# 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"			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 )
OPTION( ENABLE_TRACE		"Enables tracing support"				OFF )
OPTION( LIBGIT2_FILENAME	"Name of the produced binary"			OFF )

OPTION( ANDROID				"Build for android NDK"	 				OFF )

OPTION( USE_ICONV			"Link with and use iconv library" 		OFF )
OPTION( USE_SSH				"Link with libssh to enable SSH support" ON )
OPTION( VALGRIND			"Configure build for valgrind"			OFF )

IF(${CMAKE_SYSTEM_NAME} MATCHES "Darwin")
	SET( USE_ICONV ON )
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  )

	# 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  )

	ADD_DEFINITIONS(-D_SCL_SECURE_NO_WARNINGS)
	ADD_DEFINITIONS(-D_CRT_SECURE_NO_DEPRECATE)
	ADD_DEFINITIONS(-D_CRT_NONSTDC_NO_DEPRECATE)
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.")

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)
		SET(LIBGIT2_PC_LIBS "${LIBGIT2_PC_LIBS} -lsocket -lnsl" PARENT_SCOPE)
	ENDIF()
	CHECK_LIBRARY_EXISTS(rt clock_gettime "time.h" NEED_LIBRT)
	IF(NEED_LIBRT)
		TARGET_LINK_LIBRARIES(${target} rt)
		SET(LIBGIT2_PC_LIBS "${LIBGIT2_PC_LIBS} -lrt" PARENT_SCOPE)
	ENDIF()

	IF(THREADSAFE)
		TARGET_LINK_LIBRARIES(${target} ${CMAKE_THREAD_LIBS_INIT})
	ENDIF()
ENDFUNCTION()

# For the MSVC IDE, this function splits up the source files like windows
# explorer does. This is esp. useful with the libgit2_clar project, were
# usually 2 or more files share the same name.  Sadly, this file grouping
# is a per-directory option in cmake and not per-target, resulting in
# empty virtual folders "tests" for the git2.dll
FUNCTION(MSVC_SPLIT_SOURCES target)
	IF(MSVC_IDE)
		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}")

# Find required dependencies
INCLUDE_DIRECTORIES(src include)

IF (WIN32 AND WINHTTP AND NOT MINGW)
	ADD_DEFINITIONS(-DGIT_WINHTTP)
	INCLUDE_DIRECTORIES(deps/http-parser)
	FILE(GLOB SRC_HTTP deps/http-parser/*.c deps/http-parser/*.h)
ELSE ()
	IF (NOT AMIGA)
		FIND_PACKAGE(OpenSSL)
	ENDIF ()

	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})
		SET(LIBGIT2_PC_LIBS "${LIBGIT2_PC_LIBS} -lhttp_parser")
	ELSE()
		MESSAGE(STATUS "http-parser was not found or is too old; using bundled 3rd-party sources.")
		INCLUDE_DIRECTORIES(deps/http-parser)
		FILE(GLOB SRC_HTTP deps/http-parser/*.c deps/http-parser/*.h)
	ENDIF()
ENDIF()

# Specify sha1 implementation
IF (WIN32 AND NOT MINGW AND NOT SHA1_TYPE STREQUAL "builtin")
	ADD_DEFINITIONS(-DWIN32_SHA1)
	FILE(GLOB SRC_SHA1 src/hash/hash_win32.c)
ELSEIF (OPENSSL_FOUND AND NOT SHA1_TYPE STREQUAL "builtin")
	ADD_DEFINITIONS(-DOPENSSL_SHA1)
	SET(LIBGIT2_PC_REQUIRES "${LIBGIT2_PC_REQUIRES} openssl")
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 ANDROID)
	INCLUDE_DIRECTORIES(deps/regex)
	SET(SRC_REGEX deps/regex/regex.c)
ENDIF()

# Optional external dependency: zlib
FIND_PACKAGE(ZLIB)
IF (ZLIB_FOUND)
	INCLUDE_DIRECTORIES(${ZLIB_INCLUDE_DIRS})
	LINK_LIBRARIES(${ZLIB_LIBRARIES})
	IF(APPLE)
		SET(LIBGIT2_PC_LIBS "${LIBGIT2_PC_LIBS} -lz")
	ELSE()
		SET(LIBGIT2_PC_REQUIRES "${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 AND NOT MINGW)
	FIND_PACKAGE(LIBSSH2)
ENDIF()
IF (LIBSSH2_FOUND)
	ADD_DEFINITIONS(-DGIT_SSH)
	INCLUDE_DIRECTORIES(${LIBSSH2_INCLUDE_DIR})
	SET(LIBGIT2_PC_REQUIRES "${LIBGIT2_PC_REQUIRES} libssh2")
	SET(SSH_LIBRARIES ${LIBSSH2_LIBRARIES})
ENDIF()

# Optional external dependency: iconv
IF (USE_ICONV)
	FIND_PACKAGE(ICONV)
ENDIF()
IF (ICONV_FOUND)
	ADD_DEFINITIONS(-DGIT_USE_ICONV)
	INCLUDE_DIRECTORIES(${ICONV_INCLUDE_DIR})
	SET(LIBGIT2_PC_LIBS "${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()

	# /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 "/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")

   # Precompiled headers

ELSE ()
	SET(CMAKE_C_FLAGS "-D_GNU_SOURCE -Wall -Wextra ${CMAKE_C_FLAGS}")

	IF (WIN32 AND NOT CYGWIN)
		SET(CMAKE_C_FLAGS_DEBUG "-D_DEBUG")
	ENDIF ()

	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}")
		# 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)

	ELSEIF (BUILD_SHARED_LIBS)
		ADD_C_FLAG_IF_SUPPORTED(-fvisibility=hidden)

		SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fPIC")
	ENDIF ()

	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()

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 (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 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)
ELSE()
	MESSAGE(FATAL_ERROR "Unsupported architecture")
ENDIF()

# Compile and link libgit2
ADD_LIBRARY(git2 ${SRC_H} ${SRC_GIT2} ${SRC_OS} ${SRC_ZLIB} ${SRC_HTTP} ${SRC_REGEX} ${SRC_SHA1} ${WIN_RC})
TARGET_LINK_LIBRARIES(git2 ${SSL_LIBRARIES})
TARGET_LINK_LIBRARIES(git2 ${SSH_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()

MSVC_SPLIT_SOURCES(git2)

IF (SONAME)
	SET_TARGET_PROPERTIES(git2 PROPERTIES VERSION ${LIBGIT2_VERSION_STRING})
	SET_TARGET_PROPERTIES(git2 PROPERTIES SOVERSION ${LIBGIT2_VERSION_MAJOR})
	IF (LIBGIT2_FILENAME)
		ADD_DEFINITIONS(-DLIBGIT2_FILENAME=\"${LIBGIT2_FILENAME}\")
		SET_TARGET_PROPERTIES(git2 PROPERTIES OUTPUT_NAME ${LIBGIT2_FILENAME})
	ENDIF()
ENDIF()
CONFIGURE_FILE(${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 REQUIRED)

	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}\")

	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.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_SHA1})

	TARGET_LINK_LIBRARIES(libgit2_clar ${SSL_LIBRARIES})
	TARGET_LINK_LIBRARIES(libgit2_clar ${SSH_LIBRARIES})
	TARGET_LINK_LIBRARIES(libgit2_clar ${ICONV_LIBRARIES})
	TARGET_OS_LIBRARIES(libgit2_clar)
	MSVC_SPLIT_SOURCES(libgit2_clar)

	IF (MSVC_IDE)
		# Precompiled headers
		SET_TARGET_PROPERTIES(libgit2_clar PROPERTIES COMPILE_FLAGS "/Yuprecompiled.h /FIprecompiled.h")
	ENDIF ()

	ENABLE_TESTING()
	ADD_TEST(libgit2_clar libgit2_clar -ionline)
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 ()
Commit	Line	Data
583cf169	1	# CMake build script for the libgit2 project
73c46d53	2	#
bfe0658e	3	# Building (out of source build):
73c46d53	4	# > mkdir build && cd build
bfe0658e PD	5	# > cmake .. [-DSETTINGS=VALUE]
bfe0658e PD	6	# > cmake --build .
932d1baf	7	#
73c46d53 PD	8	# Testing:
	9	# > ctest -V
	10	#
	11	# Install:
bfe0658e	12	# > cmake --build . --target install
73c46d53	13
583cf169 PD	14	PROJECT(libgit2 C)
	15	CMAKE_MINIMUM_REQUIRED(VERSION 2.6)
	16
7a6e0281	17	# Add find modules to the path
7f0de93a	18	SET(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${CMAKE_CURRENT_SOURCE_DIR}/cmake/Modules/")
7369b3c3	19
5bda607c	20	INCLUDE(CheckLibraryExists)
5c8d5eac	21	INCLUDE(AddCFlagIfSupported)
5bda607c	22
19a766a2 SC	23	# Build options
19a766a2 SC	24	#
058956ce	25	OPTION( SONAME "Set the (SO)VERSION of the target" ON )
19a766a2 SC	26	OPTION( BUILD_SHARED_LIBS "Build Shared Library (OFF for Static)" ON )
	27	OPTION( THREADSAFE "Build libgit2 as threadsafe" OFF )
	28	OPTION( BUILD_CLAR "Build Tests using the Clar suite" ON )
	29	OPTION( BUILD_EXAMPLES "Build library usage example apps" OFF )
	30	OPTION( TAGS "Generate tags" OFF )
	31	OPTION( PROFILE "Generate profiling information" OFF )
b5ec5430	32	OPTION( ENABLE_TRACE "Enables tracing support" OFF )
92dac975	33	OPTION( LIBGIT2_FILENAME "Name of the produced binary" OFF )
c1cf1af4	34
92dac975 RB	35	OPTION( ANDROID "Build for android NDK" OFF )
	36
	37	OPTION( USE_ICONV "Link with and use iconv library" OFF )
73291aff	38	OPTION( USE_SSH "Link with libssh to enable SSH support" ON )
7697e541	39	OPTION( VALGRIND "Configure build for valgrind" OFF )
73291aff	40
726b75d1	41	IF(${CMAKE_SYSTEM_NAME} MATCHES "Darwin")
92dac975 RB	42	SET( USE_ICONV ON )
92dac975 RB	43	ENDIF()
82b2fc2c	44
19a766a2	45	IF(MSVC)
275d8d55	46	# This option is only available when building with MSVC. By default, libgit2
e49dc687 BS	47	# is build using the cdecl calling convention, which is useful if you're
e49dc687 BS	48	# writing C. However, the CLR and Win32 API both expect stdcall.
19a766a2	49	#
e49dc687 BS	50	# If you are writing a CLR program and want to link to libgit2, you'll want
	51	# to turn this on by invoking CMake with the "-DSTDCALL=ON" argument.
	52	OPTION( STDCALL "Build libgit2 with the __stdcall convention" OFF )
08f32085 Q	53
	54	# This option must match the settings used in your program, in particular if you
	55	# are linking statically
	56	OPTION( STATIC_CRT "Link the static CRT libraries" ON )
1bfe7133 ET	57
	58	# By default, libgit2 is built with WinHTTP. To use the built-in
	59	# HTTP transport, invoke CMake with the "-DWINHTTP=OFF" argument.
	60	OPTION( WINHTTP "Use Win32 WinHTTP routines" ON )
300f4412	61
6874cafd	62	ADD_DEFINITIONS(-D_SCL_SECURE_NO_WARNINGS)
300f4412 M	63	ADD_DEFINITIONS(-D_CRT_SECURE_NO_DEPRECATE)
300f4412 M	64	ADD_DEFINITIONS(-D_CRT_NONSTDC_NO_DEPRECATE)
19a766a2 SC	65	ENDIF()
19a766a2 SC	66
1ecda61e CMN	67	# This variable will contain the libraries we need to put into
	68	# libgit2.pc's Requires.private. That is, what we're linking to or
	69	# what someone who's statically linking us needs to link to.
	70	SET(LIBGIT2_PC_REQUIRES "")
	71	# This will be set later if we use the system's http-parser library or
	72	# use iconv (OSX) and will be written to the Libs.private field in the
	73	# pc file.
	74	SET(LIBGIT2_PC_LIBS "")
	75
19a766a2 SC	76	# Installation paths
	77	#
	78	SET(BIN_INSTALL_DIR bin CACHE PATH "Where to install binaries to.")
	79	SET(LIB_INSTALL_DIR lib CACHE PATH "Where to install libraries to.")
	80	SET(INCLUDE_INSTALL_DIR include CACHE PATH "Where to install headers to.")
	81
94243295 SC	82	FUNCTION(TARGET_OS_LIBRARIES target)
	83	IF(WIN32)
	84	TARGET_LINK_LIBRARIES(${target} ws2_32)
	85	ELSEIF(CMAKE_SYSTEM_NAME MATCHES "(Solaris\|SunOS)")
	86	TARGET_LINK_LIBRARIES(${target} socket nsl)
474c8cf8	87	SET(LIBGIT2_PC_LIBS "${LIBGIT2_PC_LIBS} -lsocket -lnsl" PARENT_SCOPE)
5bda607c TM	88	ENDIF()
	89	CHECK_LIBRARY_EXISTS(rt clock_gettime "time.h" NEED_LIBRT)
	90	IF(NEED_LIBRT)
b176eded	91	TARGET_LINK_LIBRARIES(${target} rt)
474c8cf8	92	SET(LIBGIT2_PC_LIBS "${LIBGIT2_PC_LIBS} -lrt" PARENT_SCOPE)
92dac975 RB	93	ENDIF()
92dac975 RB	94
94243295 SC	95	IF(THREADSAFE)
	96	TARGET_LINK_LIBRARIES(${target} ${CMAKE_THREAD_LIBS_INIT})
	97	ENDIF()
	98	ENDFUNCTION()
	99
d335e73a ET	100	# For the MSVC IDE, this function splits up the source files like windows
	101	# explorer does. This is esp. useful with the libgit2_clar project, were
	102	# usually 2 or more files share the same name. Sadly, this file grouping
	103	# is a per-directory option in cmake and not per-target, resulting in
83e1efbf	104	# empty virtual folders "tests" for the git2.dll
523a3ae5 SC	105	FUNCTION(MSVC_SPLIT_SOURCES target)
	106	IF(MSVC_IDE)
	107	GET_TARGET_PROPERTY(sources ${target} SOURCES)
	108	FOREACH(source ${sources})
	109	IF(source MATCHES ".*/")
	110	STRING(REPLACE ${CMAKE_CURRENT_SOURCE_DIR}/ "" rel ${source})
	111	IF(rel)
	112	STRING(REGEX REPLACE "/([^/]*)$" "" rel ${rel})
	113	IF(rel)
	114	STRING(REPLACE "/" "\\\\" rel ${rel})
	115	SOURCE_GROUP(${rel} FILES ${source})
	116	ENDIF()
	117	ENDIF()
	118	ENDIF()
	119	ENDFOREACH()
	120	ENDIF()
	121	ENDFUNCTION()
	122
96fab093	123	FILE(STRINGS "include/git2/version.h" GIT2_HEADER REGEX "^#define LIBGIT2_VERSION \"[^\"]*\"$")
9d1dcca2 VM	124
	125	STRING(REGEX REPLACE "^.LIBGIT2_VERSION \"([0-9]+).$" "\\1" LIBGIT2_VERSION_MAJOR "${GIT2_HEADER}")
	126	STRING(REGEX REPLACE "^.LIBGIT2_VERSION \"[0-9]+\\.([0-9]+).$" "\\1" LIBGIT2_VERSION_MINOR "${GIT2_HEADER}")
	127	STRING(REGEX REPLACE "^.LIBGIT2_VERSION \"[0-9]+\\.[0-9]+\\.([0-9]+).$" "\\1" LIBGIT2_VERSION_REV "${GIT2_HEADER}")
	128	SET(LIBGIT2_VERSION_STRING "${LIBGIT2_VERSION_MAJOR}.${LIBGIT2_VERSION_MINOR}.${LIBGIT2_VERSION_REV}")
	129
7cbdaf7f	130	# Find required dependencies
8d457891	131	INCLUDE_DIRECTORIES(src include)
20e83aa4	132
1bfe7133	133	IF (WIN32 AND WINHTTP AND NOT MINGW)
3ce22c74	134	ADD_DEFINITIONS(-DGIT_WINHTTP)
2d1feaa2 BS	135	INCLUDE_DIRECTORIES(deps/http-parser)
2d1feaa2 BS	136	FILE(GLOB SRC_HTTP deps/http-parser/.c deps/http-parser/.h)
3ce22c74	137	ELSE ()
c57c4af3 SB	138	IF (NOT AMIGA)
	139	FIND_PACKAGE(OpenSSL)
	140	ENDIF ()
7a6e0281	141
04739e9f	142	FIND_PACKAGE(HTTP_Parser)
7a6e0281 VP	143	IF (HTTP_PARSER_FOUND AND HTTP_PARSER_VERSION_MAJOR EQUAL 2)
	144	INCLUDE_DIRECTORIES(${HTTP_PARSER_INCLUDE_DIRS})
	145	LINK_LIBRARIES(${HTTP_PARSER_LIBRARIES})
1ecda61e	146	SET(LIBGIT2_PC_LIBS "${LIBGIT2_PC_LIBS} -lhttp_parser")
7a6e0281	147	ELSE()
86f92b74	148	MESSAGE(STATUS "http-parser was not found or is too old; using bundled 3rd-party sources.")
7a6e0281	149	INCLUDE_DIRECTORIES(deps/http-parser)
cdacd3d9	150	FILE(GLOB SRC_HTTP deps/http-parser/.c deps/http-parser/.h)
7a6e0281	151	ENDIF()
3ce22c74	152	ENDIF()
20e83aa4	153
c3f7a938	154	# Specify sha1 implementation
8f09f464	155	IF (WIN32 AND NOT MINGW AND NOT SHA1_TYPE STREQUAL "builtin")
ccf1a2ba	156	ADD_DEFINITIONS(-DWIN32_SHA1)
ccf1a2ba	157	FILE(GLOB SRC_SHA1 src/hash/hash_win32.c)
d6fb0924 ET	158	ELSEIF (OPENSSL_FOUND AND NOT SHA1_TYPE STREQUAL "builtin")
d6fb0924 ET	159	ADD_DEFINITIONS(-DOPENSSL_SHA1)
1ecda61e	160	SET(LIBGIT2_PC_REQUIRES "${LIBGIT2_PC_REQUIRES} openssl")
d6fb0924 ET	161	ELSE()
d6fb0924 ET	162	FILE(GLOB SRC_SHA1 src/hash/hash_generic.c)
c3f7a938 CY	163	ENDIF()
c3f7a938 CY	164
b5ec5430 ET	165	# Enable tracing
	166	IF (ENABLE_TRACE STREQUAL "ON")
	167	ADD_DEFINITIONS(-DGIT_TRACE)
	168	ENDIF()
	169
3d007f4f	170	# Include POSIX regex when it is required
82b2fc2c	171	IF(WIN32 OR AMIGA OR ANDROID)
c17b1d00 CMN	172	INCLUDE_DIRECTORIES(deps/regex)
c17b1d00 CMN	173	SET(SRC_REGEX deps/regex/regex.c)
1f4f4d17	174	ENDIF()
f443a879	175
b53671ae	176	# Optional external dependency: zlib
04739e9f	177	FIND_PACKAGE(ZLIB)
1f4f4d17 TH	178	IF (ZLIB_FOUND)
	179	INCLUDE_DIRECTORIES(${ZLIB_INCLUDE_DIRS})
	180	LINK_LIBRARIES(${ZLIB_LIBRARIES})
474c8cf8 CMN	181	IF(APPLE)
	182	SET(LIBGIT2_PC_LIBS "${LIBGIT2_PC_LIBS} -lz")
	183	ELSE()
	184	SET(LIBGIT2_PC_REQUIRES "${LIBGIT2_PC_REQUIRES} zlib")
	185	ENDIF()
c41281ad	186	ELSE()
86f92b74	187	MESSAGE(STATUS "zlib was not found; using bundled 3rd-party sources." )
1f4f4d17 TH	188	INCLUDE_DIRECTORIES(deps/zlib)
1f4f4d17 TH	189	ADD_DEFINITIONS(-DNO_VIZ -DSTDC -DNO_GZIP)
cdacd3d9	190	FILE(GLOB SRC_ZLIB deps/zlib/.c deps/zlib/.h)
c9f79972	191	ENDIF()
f443a879	192
726b75d1	193	# Optional external dependency: libssh2
73291aff	194	IF (USE_SSH AND NOT MINGW)
04739e9f	195	FIND_PACKAGE(LIBSSH2)
5be622fb	196	ENDIF()
7369b3c3 BM	197	IF (LIBSSH2_FOUND)
	198	ADD_DEFINITIONS(-DGIT_SSH)
	199	INCLUDE_DIRECTORIES(${LIBSSH2_INCLUDE_DIR})
1ecda61e	200	SET(LIBGIT2_PC_REQUIRES "${LIBGIT2_PC_REQUIRES} libssh2")
7369b3c3 BM	201	SET(SSH_LIBRARIES ${LIBSSH2_LIBRARIES})
	202	ENDIF()
	203
726b75d1 RB	204	# Optional external dependency: iconv
726b75d1 RB	205	IF (USE_ICONV)
04739e9f	206	FIND_PACKAGE(ICONV)
726b75d1 RB	207	ENDIF()
	208	IF (ICONV_FOUND)
	209	ADD_DEFINITIONS(-DGIT_USE_ICONV)
6e0ff093	210	INCLUDE_DIRECTORIES(${ICONV_INCLUDE_DIR})
4bc94eb5	211	SET(LIBGIT2_PC_LIBS "${LIBGIT2_PC_LIBS} ${ICONV_LIBRARIES}")
726b75d1	212	ENDIF()
d10de8bd	213
502dd2da	214	# Platform specific compilation flags
dcd62cb2	215	IF (MSVC)
dcd62cb2	216
ccf1a2ba	217	STRING(REPLACE "/Zm1000" " " CMAKE_C_FLAGS "${CMAKE_C_FLAGS}")
94155e2f	218
19be3f9e PK	219	# /GF - String pooling
	220	# /MP - Parallel build
	221	SET(CMAKE_C_FLAGS "/GF /MP /nologo ${CMAKE_C_FLAGS}")
	222
1b5078f6	223	IF (STDCALL)
19be3f9e PK	224	# /Gz - stdcall calling convention
19be3f9e PK	225	SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} /Gz")
1b5078f6	226	ENDIF ()
19be3f9e	227
08f32085 Q	228	IF (STATIC_CRT)
	229	SET(CRT_FLAG_DEBUG "/MTd")
	230	SET(CRT_FLAG_RELEASE "/MT")
	231	ELSE()
ccf1a2ba	232	SET(CRT_FLAG_DEBUG "/MDd")
08f32085 Q	233	SET(CRT_FLAG_RELEASE "/MD")
	234	ENDIF()
	235
19be3f9e PK	236	# /Zi - Create debugging information
	237	# /Od - Disable optimization
	238	# /D_DEBUG - #define _DEBUG
	239	# /MTd - Statically link the multithreaded debug version of the CRT
08f32085	240	# /MDd - Dynamically link the multithreaded debug version of the CRT
19be3f9e	241	# /RTC1 - Run time checks
08f32085	242	SET(CMAKE_C_FLAGS_DEBUG "/Zi /Od /D_DEBUG /RTC1 ${CRT_FLAG_DEBUG}")
19be3f9e	243
69c28b75	244	# /DNDEBUG - Disables asserts
19be3f9e	245	# /MT - Statically link the multithreaded release version of the CRT
08f32085	246	# /MD - Dynamically link the multithreaded release version of the CRT
19be3f9e PK	247	# /O2 - Optimize for speed
	248	# /Oy - Enable frame pointer omission (FPO) (otherwise CMake will automatically turn it off)
	249	# /GL - Link time code generation (whole program optimization)
	250	# /Gy - Function-level linking
08f32085	251	SET(CMAKE_C_FLAGS_RELEASE "/DNDEBUG /O2 /Oy /GL /Gy ${CRT_FLAG_RELEASE}")
19be3f9e PK	252
19be3f9e PK	253	# /Oy- - Disable frame pointer omission (FPO)
08f32085	254	SET(CMAKE_C_FLAGS_RELWITHDEBINFO "/DNDEBUG /Zi /O2 /Oy- /GL /Gy ${CRT_FLAG_RELEASE}")
19be3f9e PK	255
19be3f9e PK	256	# /O1 - Optimize for size
08f32085	257	SET(CMAKE_C_FLAGS_MINSIZEREL "/DNDEBUG /O1 /Oy /GL /Gy ${CRT_FLAG_RELEASE}")
19be3f9e PK	258
	259	# /DYNAMICBASE - Address space load randomization (ASLR)
	260	# /NXCOMPAT - Data execution prevention (DEP)
	261	# /LARGEADDRESSAWARE - >2GB user address space on x86
	262	# /VERSION - Embed version information in PE header
	263	SET(CMAKE_EXE_LINKER_FLAGS "/DYNAMICBASE /NXCOMPAT /LARGEADDRESSAWARE /VERSION:${LIBGIT2_VERSION_MAJOR}.${LIBGIT2_VERSION_MINOR}")
	264
	265	# /DEBUG - Create a PDB
	266	# /LTCG - Link time code generation (whole program optimization)
	267	# /OPT:REF /OPT:ICF - Fold out duplicate code at link step
	268	# /INCREMENTAL:NO - Required to use /LTCG
	269	# /DEBUGTYPE:cv,fixup - Additional data embedded in the PDB (requires /INCREMENTAL:NO, so not on for Debug)
	270	SET(CMAKE_EXE_LINKER_FLAGS_DEBUG "/DEBUG")
	271	SET(CMAKE_EXE_LINKER_FLAGS_RELEASE "/RELEASE /LTCG /OPT:REF /OPT:ICF /INCREMENTAL:NO")
	272	SET(CMAKE_EXE_LINKER_FLAGS_RELWITHDEBINFO "/DEBUG /RELEASE /LTCG /OPT:REF /OPT:ICF /INCREMENTAL:NO /DEBUGTYPE:cv,fixup")
	273	SET(CMAKE_EXE_LINKER_FLAGS_MINSIZEREL "/RELEASE /LTCG /OPT:REF /OPT:ICF /INCREMENTAL:NO")
	274
	275	# Same linker settings for DLL as EXE
	276	SET(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS}")
	277	SET(CMAKE_SHARED_LINKER_FLAGS_DEBUG "${CMAKE_EXE_LINKER_FLAGS_DEBUG}")
	278	SET(CMAKE_SHARED_LINKER_FLAGS_RELEASE "${CMAKE_EXE_LINKER_FLAGS_RELEASE}")
	279	SET(CMAKE_SHARED_LINKER_FLAGS_RELWITHDEBINFO "${CMAKE_EXE_LINKER_FLAGS_RELWITHDEBINFO}")
	280	SET(CMAKE_SHARED_LINKER_FLAGS_MINSIZEREL "${CMAKE_EXE_LINKER_FLAGS_MINSIZEREL}")
	281
502dd2da	282	SET(WIN_RC "src/win32/git2.rc")
9f75a9ce BS	283
9f75a9ce BS	284	# Precompiled headers
94155e2f	285
e233fa6f	286	ELSE ()
c6cd3f8b	287	SET(CMAKE_C_FLAGS "-D_GNU_SOURCE -Wall -Wextra ${CMAKE_C_FLAGS}")
19be3f9e PK	288
	289	IF (WIN32 AND NOT CYGWIN)
	290	SET(CMAKE_C_FLAGS_DEBUG "-D_DEBUG")
	291	ENDIF ()
	292
2eb18449 SG	293	IF (MINGW) # MinGW always does PIC and complains if we tell it to
2eb18449 SG	294	STRING(REGEX REPLACE "-fPIC" "" CMAKE_SHARED_LIBRARY_C_FLAGS "${CMAKE_SHARED_LIBRARY_C_FLAGS}")
0887b580 CMN	295	# MinGW >= 3.14 uses the C99-style stdio functions
	296	# automatically, but forks like mingw-w64 still want
	297	# us to define this in order to use them
	298	ADD_DEFINITIONS(-D__USE_MINGW_ANSI_STDIO=1)
	299
b41e24a6	300	ELSEIF (BUILD_SHARED_LIBS)
5c8d5eac	301	ADD_C_FLAG_IF_SUPPORTED(-fvisibility=hidden)
c6cd3f8b JG	302
c6cd3f8b JG	303	SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fPIC")
39cdf272	304	ENDIF ()
c6cd3f8b	305
5c8d5eac JG	306	ADD_C_FLAG_IF_SUPPORTED(-Wno-missing-field-initializers)
	307	ADD_C_FLAG_IF_SUPPORTED(-Wstrict-aliasing=2)
	308	ADD_C_FLAG_IF_SUPPORTED(-Wstrict-prototypes)
	309	ADD_C_FLAG_IF_SUPPORTED(-Wdeclaration-after-statement)
	310	ADD_C_FLAG_IF_SUPPORTED(-Wno-unused-const-variable)
	311	ADD_C_FLAG_IF_SUPPORTED(-Wno-unused-function)
c6cd3f8b	312
364ef528	313	IF (APPLE) # Apple deprecated OpenSSL
5c8d5eac	314	ADD_C_FLAG_IF_SUPPORTED(-Wno-deprecated-declarations)
c6cd3f8b	315	ENDIF()
823c0e9c	316
706a9974 RB	317	IF (PROFILE)
	318	SET(CMAKE_C_FLAGS "-pg ${CMAKE_C_FLAGS}")
	319	SET(CMAKE_EXE_LINKER_FLAGS "-pg ${CMAKE_EXE_LINKER_FLAGS}")
	320	ENDIF ()
90412507	321	ENDIF()
5b8bb8e7	322
88149fae PT	323	IF( NOT CMAKE_CONFIGURATION_TYPES )
	324	# Build Debug by default
	325	IF (NOT CMAKE_BUILD_TYPE)
	326	SET(CMAKE_BUILD_TYPE "Debug" CACHE STRING "Choose the type of build, options are: Debug Release RelWithDebInfo MinSizeRel." FORCE)
	327	ENDIF ()
	328	ELSE()
	329	# Using a multi-configuration generator eg MSVC or Xcode
	330	# that uses CMAKE_CONFIGURATION_TYPES and not CMAKE_BUILD_TYPE
	331	ENDIF()
583cf169	332
96ef3d84 CY	333	IF (OPENSSL_FOUND)
	334	ADD_DEFINITIONS(-DGIT_SSL)
	335	INCLUDE_DIRECTORIES(${OPENSSL_INCLUDE_DIR})
	336	SET(SSL_LIBRARIES ${OPENSSL_LIBRARIES})
41cbbea8	337	ENDIF()
66024c7c	338
70236bab VM	339	IF (THREADSAFE)
70236bab VM	340	IF (NOT WIN32)
48ce93e0	341	FIND_PACKAGE(Threads REQUIRED)
70236bab VM	342	ENDIF()
	343
	344	ADD_DEFINITIONS(-DGIT_THREADS)
	345	ENDIF()
	346
678e9e04 VM	347	ADD_DEFINITIONS(-D_FILE_OFFSET_BITS=64)
678e9e04 VM	348
583cf169	349	# Collect sourcefiles
cdacd3d9	350	FILE(GLOB SRC_H include/git2.h include/git2/.h include/git2/sys/.h)
583cf169 PD	351
583cf169 PD	352	# On Windows use specific platform sources
5b8bb8e7	353	IF (WIN32 AND NOT CYGWIN)
19be3f9e	354	ADD_DEFINITIONS(-DWIN32 -D_WIN32_WINNT=0x0501)
cdacd3d9	355	FILE(GLOB SRC_OS src/win32/.c src/win32/.h)
96ef3d84	356	ELSEIF (AMIGA)
7697e541	357	ADD_DEFINITIONS(-DNO_ADDRINFO -DNO_READDIR_R -DNO_MMAP)
678e9e04	358	ELSE()
7697e541 RB	359	IF (VALGRIND)
	360	ADD_DEFINITIONS(-DNO_MMAP)
	361	ENDIF()
cdacd3d9	362	FILE(GLOB SRC_OS src/unix/.c src/unix/.h)
521479b1	363	ENDIF()
cdacd3d9	364	FILE(GLOB SRC_GIT2 src/.c src/.h src/transports/.c src/transports/.h src/xdiff/.c src/xdiff/.h)
5b8bb8e7	365
eb63fda2 ET	366	# Determine architecture of the machine
	367	IF (CMAKE_SIZEOF_VOID_P EQUAL 8)
	368	ADD_DEFINITIONS(-DGIT_ARCH_64)
	369	ELSEIF (CMAKE_SIZEOF_VOID_P EQUAL 4)
	370	ADD_DEFINITIONS(-DGIT_ARCH_32)
	371	ELSE()
48ce93e0	372	MESSAGE(FATAL_ERROR "Unsupported architecture")
eb63fda2 ET	373	ENDIF()
eb63fda2 ET	374
583cf169	375	# Compile and link libgit2
cdacd3d9	376	ADD_LIBRARY(git2 ${SRC_H} ${SRC_GIT2} ${SRC_OS} ${SRC_ZLIB} ${SRC_HTTP} ${SRC_REGEX} ${SRC_SHA1} ${WIN_RC})
94243295	377	TARGET_LINK_LIBRARIES(git2 ${SSL_LIBRARIES})
7369b3c3	378	TARGET_LINK_LIBRARIES(git2 ${SSH_LIBRARIES})
726b75d1	379	TARGET_LINK_LIBRARIES(git2 ${ICONV_LIBRARIES})
94243295	380	TARGET_OS_LIBRARIES(git2)
39cdf272	381
d66a7c06 Q	382	# Workaround for Cmake bug #0011240 (see http://public.kitware.com/Bug/view.php?id=11240)
d66a7c06 Q	383	# Win64+MSVC+static libs = linker error
ac1d85cf	384	IF(MSVC AND GIT_ARCH_64 AND NOT BUILD_SHARED_LIBS)
d66a7c06 Q	385	SET_TARGET_PROPERTIES(git2 PROPERTIES STATIC_LIBRARY_FLAGS "/MACHINE:x64")
	386	ENDIF()
	387
523a3ae5 SC	388	MSVC_SPLIT_SOURCES(git2)
523a3ae5 SC	389
e7da9acd NO	390	IF (SONAME)
	391	SET_TARGET_PROPERTIES(git2 PROPERTIES VERSION ${LIBGIT2_VERSION_STRING})
	392	SET_TARGET_PROPERTIES(git2 PROPERTIES SOVERSION ${LIBGIT2_VERSION_MAJOR})
c1cf1af4	393	IF (LIBGIT2_FILENAME)
	394	ADD_DEFINITIONS(-DLIBGIT2_FILENAME=\"${LIBGIT2_FILENAME}\")
	395	SET_TARGET_PROPERTIES(git2 PROPERTIES OUTPUT_NAME ${LIBGIT2_FILENAME})
3bbc87d6	396	ENDIF()
e7da9acd	397	ENDIF()
4fd486e0	398	CONFIGURE_FILE(${CMAKE_CURRENT_SOURCE_DIR}/libgit2.pc.in ${CMAKE_CURRENT_BINARY_DIR}/libgit2.pc @ONLY)
583cf169	399
26d9e317	400	IF (MSVC_IDE)
73aaf674 BS	401	# Precompiled headers
	402	SET_TARGET_PROPERTIES(git2 PROPERTIES COMPILE_FLAGS "/Yuprecompiled.h /FIprecompiled.h")
	403	SET_SOURCE_FILES_PROPERTIES(src/win32/precompiled.c COMPILE_FLAGS "/Ycprecompiled.h")
	404	ENDIF ()
	405
583cf169	406	# Install
932d1baf	407	INSTALL(TARGETS git2
9795a40f	408	RUNTIME DESTINATION ${BIN_INSTALL_DIR}
b3237ac3 ICQ	409	LIBRARY DESTINATION ${LIB_INSTALL_DIR}
b3237ac3 ICQ	410	ARCHIVE DESTINATION ${LIB_INSTALL_DIR}
583cf169	411	)
b3237ac3	412	INSTALL(FILES ${CMAKE_CURRENT_BINARY_DIR}/libgit2.pc DESTINATION ${LIB_INSTALL_DIR}/pkgconfig )
9795a40f VP	413	INSTALL(DIRECTORY include/git2 DESTINATION ${INCLUDE_INSTALL_DIR} )
9795a40f VP	414	INSTALL(FILES include/git2.h DESTINATION ${INCLUDE_INSTALL_DIR} )
583cf169 PD	415
583cf169 PD	416	# Tests
3fd1520c	417	IF (BUILD_CLAR)
86a459a8 CB	418	FIND_PACKAGE(PythonInterp REQUIRED)
86a459a8 CB	419
83e1efbf BS	420	SET(CLAR_FIXTURES "${CMAKE_CURRENT_SOURCE_DIR}/tests/resources/")
	421	SET(CLAR_PATH "${CMAKE_CURRENT_SOURCE_DIR}/tests")
	422	SET(CLAR_RESOURCES "${CMAKE_CURRENT_SOURCE_DIR}/tests/resources" CACHE PATH "Path to test resources.")
3fd1520c	423	ADD_DEFINITIONS(-DCLAR_FIXTURE_PATH=\"${CLAR_FIXTURES}\")
e0799b6c	424	ADD_DEFINITIONS(-DCLAR_RESOURCES=\"${TEST_RESOURCES}\")
11385c3c	425
3fd1520c	426	INCLUDE_DIRECTORIES(${CLAR_PATH})
cdacd3d9	427	FILE(GLOB_RECURSE SRC_TEST ${CLAR_PATH}//.c ${CLAR_PATH}//.h)
2e6f06a8	428	SET(SRC_CLAR "${CLAR_PATH}/main.c" "${CLAR_PATH}/clar_libgit2.c" "${CLAR_PATH}/clar.c")
f1558d9b	429
86a459a8	430	ADD_CUSTOM_COMMAND(
156cfec0	431	OUTPUT ${CLAR_PATH}/clar.suite
e8242022	432	COMMAND ${PYTHON_EXECUTABLE} generate.py -f -xonline -xstress .
39444bea	433	DEPENDS ${SRC_TEST}
3fd1520c	434	WORKING_DIRECTORY ${CLAR_PATH}
86a459a8	435	)
156cfec0	436
5c2d3f6d	437	SET_SOURCE_FILES_PROPERTIES(
2e6f06a8	438	${CLAR_PATH}/clar.c
5c2d3f6d VM	439	PROPERTIES OBJECT_DEPENDS ${CLAR_PATH}/clar.suite)
5c2d3f6d VM	440
cdacd3d9	441	ADD_EXECUTABLE(libgit2_clar ${SRC_H} ${SRC_GIT2} ${SRC_OS} ${SRC_CLAR} ${SRC_TEST} ${SRC_ZLIB} ${SRC_HTTP} ${SRC_REGEX} ${SRC_SHA1})
5c2d3f6d	442
94243295	443	TARGET_LINK_LIBRARIES(libgit2_clar ${SSL_LIBRARIES})
7369b3c3	444	TARGET_LINK_LIBRARIES(libgit2_clar ${SSH_LIBRARIES})
726b75d1	445	TARGET_LINK_LIBRARIES(libgit2_clar ${ICONV_LIBRARIES})
94243295	446	TARGET_OS_LIBRARIES(libgit2_clar)
523a3ae5	447	MSVC_SPLIT_SOURCES(libgit2_clar)
73aaf674	448
156cfec0 VM	449	IF (MSVC_IDE)
	450	# Precompiled headers
	451	SET_TARGET_PROPERTIES(libgit2_clar PROPERTIES COMPILE_FLAGS "/Yuprecompiled.h /FIprecompiled.h")
	452	ENDIF ()
73aaf674	453
f1558d9b	454	ENABLE_TESTING()
2c7f7a66	455	ADD_TEST(libgit2_clar libgit2_clar -ionline)
f1558d9b	456	ENDIF ()
e632f687 CB	457
	458	IF (TAGS)
	459	FIND_PROGRAM(CTAGS ctags)
	460	IF (NOT CTAGS)
48ce93e0	461	MESSAGE(FATAL_ERROR "Could not find ctags command")
e632f687 CB	462	ENDIF ()
	463
	464	FILE(GLOB_RECURSE SRC_ALL *.[ch])
	465
	466	ADD_CUSTOM_COMMAND(
	467	OUTPUT tags
	468	COMMAND ${CTAGS} -a ${SRC_ALL}
	469	DEPENDS ${SRC_ALL}
	470	)
	471	ADD_CUSTOM_TARGET(
	472	do_tags ALL
	473	DEPENDS tags
	474	)
	475	ENDIF ()
62986ff6 SG	476
62986ff6 SG	477	IF (BUILD_EXAMPLES)
60ee53df	478	ADD_SUBDIRECTORY(examples)
583cf169	479	ENDIF ()