mirror of
https://git.proxmox.com/git/libgit2
synced 2025-11-04 04:38:58 +00:00
357 lines
12 KiB
CMake
357 lines
12 KiB
CMake
# 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)
|
|
|
|
# Build options
|
|
#
|
|
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 )
|
|
IF(MSVC)
|
|
# This option is only availalbe when building with MSVC. By default,
|
|
# libgit2 is build using the stdcall calling convention, as that's what
|
|
# the CLR expects by default and how the Windows API is built.
|
|
#
|
|
# If you are writing a C or C++ program and want to link to libgit2, you
|
|
# have to either:
|
|
# - Add /Gz to the compiler options of _your_ program / library.
|
|
# - Turn this off by invoking CMake with the "-DSTDCALL=Off" argument.
|
|
#
|
|
OPTION( STDCALL "Build libgit2 with the __stdcall convention" ON )
|
|
ENDIF()
|
|
|
|
# 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)
|
|
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-clar" 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}.${LIBGIT2_VERSION_REV}")
|
|
|
|
# Find required dependencies
|
|
INCLUDE_DIRECTORIES(src include)
|
|
|
|
IF (WIN32 AND NOT MINGW)
|
|
ADD_DEFINITIONS(-DGIT_WINHTTP)
|
|
ELSE ()
|
|
IF (NOT AMIGA)
|
|
FIND_PACKAGE(OpenSSL)
|
|
ENDIF ()
|
|
FILE(GLOB SRC_HTTP deps/http-parser/*.c)
|
|
INCLUDE_DIRECTORIES(deps/http-parser)
|
|
ENDIF()
|
|
|
|
# Specify sha1 implementation
|
|
IF (WIN32 AND NOT MINGW AND NOT SHA1_TYPE STREQUAL "builtin")
|
|
ADD_DEFINITIONS(-DWIN32_SHA1)
|
|
FILE(GLOB SRC_SHA1 src/hash/hash_win32.c)
|
|
ELSEIF (OPENSSL_FOUND AND NOT SHA1_TYPE STREQUAL "builtin")
|
|
ADD_DEFINITIONS(-DOPENSSL_SHA1)
|
|
ELSE()
|
|
FILE(GLOB SRC_SHA1 src/hash/hash_generic.c)
|
|
ENDIF()
|
|
|
|
# Include POSIX regex when it is required
|
|
IF(WIN32 OR AMIGA)
|
|
INCLUDE_DIRECTORIES(deps/regex)
|
|
SET(SRC_REGEX deps/regex/regex.c)
|
|
ENDIF()
|
|
|
|
# Optional external dependency: zlib
|
|
IF(NOT ZLIB_LIBRARY)
|
|
# It's optional, but FIND_PACKAGE gives a warning that looks more like an
|
|
# error.
|
|
FIND_PACKAGE(ZLIB QUIET)
|
|
ENDIF()
|
|
IF (ZLIB_FOUND)
|
|
INCLUDE_DIRECTORIES(${ZLIB_INCLUDE_DIRS})
|
|
LINK_LIBRARIES(${ZLIB_LIBRARIES})
|
|
ELSE()
|
|
MESSAGE( "zlib was not found; using bundled 3rd-party sources." )
|
|
INCLUDE_DIRECTORIES(deps/zlib)
|
|
ADD_DEFINITIONS(-DNO_VIZ -DSTDC -DNO_GZIP)
|
|
FILE(GLOB SRC_ZLIB deps/zlib/*.c)
|
|
ENDIF()
|
|
|
|
# Platform specific compilation flags
|
|
IF (MSVC)
|
|
|
|
STRING(REPLACE "/Zm1000" " " CMAKE_C_FLAGS "${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 ()
|
|
|
|
# /Zi - Create debugging information
|
|
# /Od - Disable optimization
|
|
# /D_DEBUG - #define _DEBUG
|
|
# /MTd - Statically link the multithreaded debug version of the CRT
|
|
# /RTC1 - Run time checks
|
|
SET(CMAKE_C_FLAGS_DEBUG "/Zi /Od /D_DEBUG /MTd /RTC1")
|
|
|
|
# /MT - Statically 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 "/MT /O2 /Oy /GL /Gy")
|
|
|
|
# /Oy- - Disable frame pointer omission (FPO)
|
|
SET(CMAKE_C_FLAGS_RELWITHDEBINFO "/Zi /MT /O2 /Oy- /GL /Gy")
|
|
|
|
# /O1 - Optimize for size
|
|
SET(CMAKE_C_FLAGS_MINSIZEREL "/MT /O1 /Oy /GL /Gy")
|
|
|
|
# /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 -Wno-missing-field-initializers -Wstrict-aliasing=2 -Wstrict-prototypes ${CMAKE_C_FLAGS}")
|
|
|
|
IF (WIN32 AND NOT CYGWIN)
|
|
SET(CMAKE_C_FLAGS_DEBUG "-D_DEBUG")
|
|
ENDIF ()
|
|
|
|
IF (MINGW) # MinGW always does PIC and complains if we tell it to
|
|
STRING(REGEX REPLACE "-fPIC" "" CMAKE_SHARED_LIBRARY_C_FLAGS "${CMAKE_SHARED_LIBRARY_C_FLAGS}")
|
|
ELSEIF (BUILD_SHARED_LIBS)
|
|
SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fvisibility=hidden -fPIC")
|
|
ENDIF ()
|
|
IF (APPLE) # Apple deprecated OpenSSL
|
|
SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -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)
|
|
|
|
# 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)
|
|
ELSEIF (AMIGA)
|
|
ADD_DEFINITIONS(-DNO_ADDRINFO -DNO_READDIR_R)
|
|
FILE(GLOB SRC_OS src/amiga/*.c)
|
|
ELSE()
|
|
FILE(GLOB SRC_OS src/unix/*.c)
|
|
ENDIF()
|
|
FILE(GLOB SRC_GIT2 src/*.c src/transports/*.c src/xdiff/*.c)
|
|
|
|
# Compile and link libgit2
|
|
ADD_LIBRARY(git2 ${SRC_GIT2} ${SRC_OS} ${SRC_ZLIB} ${SRC_HTTP} ${SRC_REGEX} ${SRC_SHA1} ${WIN_RC})
|
|
TARGET_LINK_LIBRARIES(git2 ${SSL_LIBRARIES})
|
|
TARGET_OS_LIBRARIES(git2)
|
|
|
|
MSVC_SPLIT_SOURCES(git2)
|
|
|
|
SET_TARGET_PROPERTIES(git2 PROPERTIES VERSION ${LIBGIT2_VERSION_STRING})
|
|
SET_TARGET_PROPERTIES(git2 PROPERTIES SOVERSION ${LIBGIT2_VERSION_MAJOR})
|
|
CONFIGURE_FILE(${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-clar/resources/")
|
|
SET(CLAR_PATH "${CMAKE_CURRENT_SOURCE_DIR}/tests-clar")
|
|
SET(CLAR_RESOURCES "${CMAKE_CURRENT_SOURCE_DIR}/tests-clar/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 ${CLAR_PATH}/*/*.c)
|
|
SET(SRC_CLAR "${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 -xonline .
|
|
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_GIT2} ${SRC_OS} ${SRC_CLAR} ${SRC_TEST} ${SRC_ZLIB} ${SRC_HTTP} ${SRC_REGEX} ${SRC_SHA1})
|
|
|
|
TARGET_LINK_LIBRARIES(libgit2_clar ${SSL_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)
|
|
FILE(GLOB_RECURSE EXAMPLE_SRC examples/network/*.c)
|
|
ADD_EXECUTABLE(cgit2 ${EXAMPLE_SRC})
|
|
IF(WIN32)
|
|
TARGET_LINK_LIBRARIES(cgit2 git2)
|
|
ELSE()
|
|
TARGET_LINK_LIBRARIES(cgit2 git2 pthread)
|
|
ENDIF()
|
|
|
|
ADD_EXECUTABLE(git-diff examples/diff.c)
|
|
TARGET_LINK_LIBRARIES(git-diff git2)
|
|
|
|
ADD_EXECUTABLE(git-general examples/general.c)
|
|
TARGET_LINK_LIBRARIES(git-general git2)
|
|
|
|
ADD_EXECUTABLE(git-showindex examples/showindex.c)
|
|
TARGET_LINK_LIBRARIES(git-showindex git2)
|
|
ENDIF ()
|