libgit2/CMakeLists.txt
Carlos Martín Nieto 5be622fb56 Test SSH in travis
Set up the ssh credentials so we are able to talk to localhost and
issue git commands. Move to use a script, as the command list is
getting somewhat long.

While here, delay installing valgrind until we need it, as it and its
dependencies are by far the largest downloads and this allows us to
start compiling (and failing) faster and we only incur this cost when
the test suite runs successfully.
2013-08-14 10:49:10 +02:00

430 lines
14 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)
# Add find modules to the path
SET(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${CMAKE_SOURCE_DIR}/cmake/Modules/")
# 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 )
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 )
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}.${LIBGIT2_VERSION_REV}")
# Find required dependencies
INCLUDE_DIRECTORIES(src include)
IF (WIN32 AND NOT MINGW)
ADD_DEFINITIONS(-DGIT_WINHTTP)
ELSE ()
IF (NOT AMIGA)
FIND_PACKAGE(OpenSSL)
ENDIF ()
FIND_PACKAGE(HTTP_Parser QUIET)
IF (HTTP_PARSER_FOUND AND HTTP_PARSER_VERSION_MAJOR EQUAL 2)
INCLUDE_DIRECTORIES(${HTTP_PARSER_INCLUDE_DIRS})
LINK_LIBRARIES(${HTTP_PARSER_LIBRARIES})
ELSE()
MESSAGE("http-parser was not found or is too old; using bundled 3rd-party sources.")
INCLUDE_DIRECTORIES(deps/http-parser)
FILE(GLOB SRC_HTTP deps/http-parser/*.c deps/http-parser/*.h)
ENDIF()
ENDIF()
# Specify sha1 implementation
IF (WIN32 AND NOT MINGW AND NOT SHA1_TYPE STREQUAL "builtin")
ADD_DEFINITIONS(-DWIN32_SHA1)
FILE(GLOB SRC_SHA1 src/hash/hash_win32.c)
ELSEIF (OPENSSL_FOUND AND NOT SHA1_TYPE STREQUAL "builtin")
ADD_DEFINITIONS(-DOPENSSL_SHA1)
ELSE()
FILE(GLOB SRC_SHA1 src/hash/hash_generic.c)
ENDIF()
# Enable tracing
IF (ENABLE_TRACE STREQUAL "ON")
ADD_DEFINITIONS(-DGIT_TRACE)
ENDIF()
# Include POSIX regex when it is required
IF(WIN32 OR AMIGA)
INCLUDE_DIRECTORIES(deps/regex)
SET(SRC_REGEX deps/regex/regex.c)
ENDIF()
# Optional external dependency: zlib
# It's optional, but FIND_PACKAGE gives a warning that looks more like an
# error.
FIND_PACKAGE(ZLIB QUIET)
IF (ZLIB_FOUND)
INCLUDE_DIRECTORIES(${ZLIB_INCLUDE_DIRS})
LINK_LIBRARIES(${ZLIB_LIBRARIES})
# Fake the message CMake would have shown
MESSAGE("-- Found zlib: ${ZLIB_LIBRARY}")
ELSE()
MESSAGE( "zlib was not found; using bundled 3rd-party sources." )
INCLUDE_DIRECTORIES(deps/zlib)
ADD_DEFINITIONS(-DNO_VIZ -DSTDC -DNO_GZIP)
FILE(GLOB SRC_ZLIB deps/zlib/*.c deps/zlib/*.h)
ENDIF()
IF (NOT MINGW)
FIND_PACKAGE(LIBSSH2 QUIET)
ENDIF()
IF (LIBSSH2_FOUND)
ADD_DEFINITIONS(-DGIT_SSH)
INCLUDE_DIRECTORIES(${LIBSSH2_INCLUDE_DIR})
SET(SSH_LIBRARIES ${LIBSSH2_LIBRARIES})
ENDIF()
# Platform specific compilation flags
IF (MSVC)
STRING(REPLACE "/Zm1000" " " CMAKE_C_FLAGS "${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 -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}")
# 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)
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 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)
FILE(GLOB SRC_OS src/amiga/*.c src/amiga/*.h)
ELSE()
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_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-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 ${CLAR_PATH}/*/*.h)
SET(SRC_CLAR "${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_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 examples/network/*.h)
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)
ADD_EXECUTABLE(git-rev-list examples/rev-list.c)
TARGET_LINK_LIBRARIES(git-rev-list git2)
ENDIF ()