thodg/libgit2/src/CMakeLists.txt
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Hash : 1d9dd882
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Date : 2017-09-05T15:06:29
cmake: distinguish libgit2 objects and sources Distinguish variables keeping track of our internal libgit2 sources and the final objects which shall be linked into the library. This will ease the transition to use object libraries for our bundled dependencies instead of linking them in.
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src/CMakeLists.txt
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IF(DEBUG_POOL) SET(GIT_DEBUG_POOL 1) ENDIF() SET(LIBGIT2_OBJECTS "") # 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 "") SET(LIBGIT2_INCLUDES "${CMAKE_CURRENT_BINARY_DIR}" "${CMAKE_SOURCE_DIR}/src" "${CMAKE_SOURCE_DIR}/include") SET(LIBGIT2_LIBS "") SET(LIBGIT2_LIBDIRS "") # 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}) # Enable tracing IF (ENABLE_TRACE STREQUAL "ON") SET(GIT_TRACE 1) ENDIF() CHECK_SYMBOL_EXISTS(regcomp_l "regex.h;xlocale.h" HAVE_REGCOMP_L) IF (HAVE_REGCOMP_L) SET(GIT_USE_REGCOMP_L 1) ENDIF () CHECK_FUNCTION_EXISTS(futimens HAVE_FUTIMENS) IF (HAVE_FUTIMENS) SET(GIT_USE_FUTIMENS 1) 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 () # Find required dependencies IF(WIN32) LIST(APPEND LIBGIT2_LIBS ws2_32) ELSEIF(CMAKE_SYSTEM_NAME MATCHES "(Solaris|SunOS)") LIST(APPEND LIBGIT2_LIBS socket nsl) LIST(APPEND LIBGIT2_PC_LIBS "-lsocket" "-lnsl") ELSEIF(CMAKE_SYSTEM_NAME MATCHES "Haiku") LIST(APPEND LIBGIT2_LIBS network) LIST(APPEND LIBGIT2_PC_LIBS "-lnetwork") ENDIF() CHECK_LIBRARY_EXISTS(rt clock_gettime "time.h" NEED_LIBRT) IF(NEED_LIBRT) LIST(APPEND LIBGIT2_LIBS rt) LIST(APPEND LIBGIT2_PC_LIBS "-lrt") ENDIF() IF(THREADSAFE) LIST(APPEND LIBGIT2_LIBS ${CMAKE_THREAD_LIBS_INIT}) LIST(APPEND LIBGIT2_PC_LIBS ${CMAKE_THREAD_LIBS_INIT}) ENDIF() IF (SECURITY_FOUND) # OS X 10.7 and older do not have some functions we use, fall back to OpenSSL there CHECK_LIBRARY_EXISTS("${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") LIST(APPEND LIBGIT2_LIBS ${SECURITY_DIRS}) ELSE() MESSAGE("-- Security framework is too old, falling back to OpenSSL") SET(SECURITY_FOUND "NO") SET(USE_OPENSSL "ON") ENDIF() ENDIF() IF (COREFOUNDATION_FOUND) MESSAGE("-- Found CoreFoundation ${COREFOUNDATION_DIRS}") LIST(APPEND LIBGIT2_PC_LIBS "-framework CoreFoundation") LIST(APPEND LIBGIT2_LIBS ${COREFOUNDATION_DIRS}) ENDIF() IF (WIN32 AND EMBED_SSH_PATH) FILE(GLOB SRC_SSH "${EMBED_SSH_PATH}/src/*.c") LIST(APPEND LIBGIT2_INCLUDES "${EMBED_SSH_PATH}/include") FILE(WRITE "${EMBED_SSH_PATH}/src/libssh2_config.h" "#define HAVE_WINCNG\n#define LIBSSH2_WINCNG\n#include \"../win32/libssh2_config.h\"") SET(GIT_SSH 1) ENDIF() IF (WIN32 AND WINHTTP) SET(GIT_WINHTTP 1) SET(GIT_HTTPS 1) # 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) ADD_SUBDIRECTORY("${CMAKE_SOURCE_DIR}/deps/winhttp" "${CMAKE_BINARY_DIR}/deps/winhttp") LIST(APPEND LIBGIT2_LIBS winhttp) LIST(APPEND LIBGIT2_INCLUDES "${CMAKE_SOURCE_DIR}/deps/winhttp") LIST(APPEND LIBGIT2_LIBDIRS ${LIBWINHTTP_PATH}) ELSE() LIST(APPEND LIBGIT2_LIBS "winhttp") LIST(APPEND LIBGIT2_PC_LIBS "-lwinhttp") ENDIF () LIST(APPEND LIBGIT2_LIBS "rpcrt4" "crypt32" "ole32") LIST(APPEND LIBGIT2_PC_LIBS "-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) SET(GIT_CURL 1) LIST(APPEND LIBGIT2_INCLUDES ${CURL_INCLUDE_DIRS}) LIST(APPEND LIBGIT2_LIBDIRS ${CURL_LIBRARY_DIRS}) LIST(APPEND LIBGIT2_LIBS ${CURL_LIBRARIES}) LIST(APPEND LIBGIT2_PC_LIBS ${CURL_LDFLAGS}) ENDIF() ENDIF() # Specify sha1 implementation IF (USE_SHA1DC) SET(GIT_SHA1_COLLISIONDETECT 1) ADD_DEFINITIONS(-DSHA1DC_NO_STANDARD_INCLUDES=1) ADD_DEFINITIONS(-DSHA1DC_CUSTOM_INCLUDE_SHA1_C=\"common.h\") ADD_DEFINITIONS(-DSHA1DC_CUSTOM_INCLUDE_UBC_CHECK_C=\"common.h\") FILE(GLOB SRC_SHA1 hash/hash_collisiondetect.c hash/sha1dc/*) ELSEIF (WIN32 AND NOT MINGW) SET(GIT_SHA1_WIN32 1) FILE(GLOB SRC_SHA1 hash/hash_win32.c) ELSEIF (${CMAKE_SYSTEM_NAME} MATCHES "Darwin") SET(GIT_SHA1_COMMON_CRYPTO 1) ELSEIF (OPENSSL_FOUND) SET(GIT_SHA1_OPENSSL 1) IF (CMAKE_SYSTEM_NAME MATCHES "FreeBSD") LIST(APPEND LIBGIT2_PC_LIBS "-lssl") ELSE() SET(LIBGIT2_PC_REQUIRES "${LIBGIT2_PC_REQUIRES} openssl") ENDIF () ELSE() FILE(GLOB SRC_SHA1 hash/hash_generic.c) ENDIF() # Include POSIX regex when it is required IF(WIN32 OR AMIGA OR CMAKE_SYSTEM_NAME MATCHES "(Solaris|SunOS)") ADD_SUBDIRECTORY("${CMAKE_SOURCE_DIR}/deps/regex" "${CMAKE_BINARY_DIR}/deps/regex") LIST(APPEND LIBGIT2_INCLUDES "${CMAKE_SOURCE_DIR}/deps/regex") LIST(APPEND LIBGIT2_OBJECTS $<TARGET_OBJECTS:regex>) ENDIF() # Optional external dependency: http-parser FIND_PACKAGE(HTTP_Parser) IF (USE_EXT_HTTP_PARSER AND HTTP_PARSER_FOUND AND HTTP_PARSER_VERSION_MAJOR EQUAL 2) LIST(APPEND LIBGIT2_INCLUDES ${HTTP_PARSER_INCLUDE_DIRS}) LIST(APPEND LIBGIT2_LIBS ${HTTP_PARSER_LIBRARIES}) LIST(APPEND LIBGIT2_PC_LIBS "-lhttp_parser") ELSE() MESSAGE(STATUS "http-parser version 2 was not found or disabled; using bundled 3rd-party sources.") ADD_SUBDIRECTORY("${CMAKE_SOURCE_DIR}/deps/http-parser" "${CMAKE_BINARY_DIR}/deps/http-parser") LIST(APPEND LIBGIT2_INCLUDES "${CMAKE_SOURCE_DIR}/deps/http-parser") LIST(APPEND LIBGIT2_OBJECTS "$<TARGET_OBJECTS:http-parser>") ENDIF() # Optional external dependency: zlib FIND_PACKAGE(ZLIB) IF (ZLIB_FOUND) LIST(APPEND LIBGIT2_INCLUDES ${ZLIB_INCLUDE_DIRS}) LIST(APPEND LIBGIT2_LIBS ${ZLIB_LIBRARIES}) IF(APPLE OR CMAKE_SYSTEM_NAME MATCHES "FreeBSD") LIST(APPEND LIBGIT2_LIBS "z") LIST(APPEND LIBGIT2_PC_LIBS "-lz") ELSE() SET(LIBGIT2_PC_REQUIRES "${LIBGIT2_PC_REQUIRES} zlib") ENDIF() ELSE() MESSAGE(STATUS "zlib was not found; using bundled 3rd-party sources." ) ADD_SUBDIRECTORY("${CMAKE_SOURCE_DIR}/deps/zlib" "${CMAKE_BINARY_DIR}/deps/zlib") LIST(APPEND LIBGIT2_INCLUDES "${CMAKE_SOURCE_DIR}/deps/zlib") LIST(APPEND LIBGIT2_OBJECTS $<TARGET_OBJECTS:zlib>) ENDIF() # Optional external dependency: libssh2 IF (USE_SSH) PKG_CHECK_MODULES(LIBSSH2 libssh2) ENDIF() IF (LIBSSH2_FOUND) SET(GIT_SSH 1) LIST(APPEND LIBGIT2_INCLUDES ${LIBSSH2_INCLUDE_DIRS}) LIST(APPEND LIBGIT2_LIBS ${LIBSSH2_LIBRARIES}) LIST(APPEND LIBGIT2_LIBDIRS ${LIBSSH2_LIBRARY_DIRS}) LIST(APPEND LIBGIT2_PC_LIBS ${LIBSSH2_LDFLAGS}) #SET(LIBGIT2_PC_LIBS "${LIBGIT2_PC_LIBS} ${LIBSSH2_LDFLAGS}") CHECK_LIBRARY_EXISTS("${LIBSSH2_LIBRARIES}" libssh2_userauth_publickey_frommemory "${LIBSSH2_LIBRARY_DIRS}" HAVE_LIBSSH2_MEMORY_CREDENTIALS) IF (HAVE_LIBSSH2_MEMORY_CREDENTIALS) SET(GIT_SSH_MEMORY_CREDENTIALS 1) 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) SET(GIT_GSSAPI 1) LIST(APPEND LIBGIT2_LIBS ${GSSAPI_LIBRARIES}) ENDIF() # Optional external dependency: iconv IF (USE_ICONV) FIND_PACKAGE(Iconv) ENDIF() IF (ICONV_FOUND) SET(GIT_USE_ICONV 1) LIST(APPEND LIBGIT2_INCLUDES ${ICONV_INCLUDE_DIR}) LIST(APPEND LIBGIT2_LIBS ${ICONV_LIBRARIES}) LIST(APPEND LIBGIT2_PC_LIBS ${ICONV_LIBRARIES}) ENDIF() IF (SECURITY_FOUND) SET(GIT_SECURE_TRANSPORT 1) SET(GIT_HTTPS 1) LIST(APPEND LIBGIT2_INCLUDES ${SECURITY_INCLUDE_DIR}) ENDIF () IF (OPENSSL_FOUND) SET(GIT_OPENSSL 1) SET(GIT_HTTPS 1) LIST(APPEND LIBGIT2_INCLUDES ${OPENSSL_INCLUDE_DIR}) LIST(APPEND LIBGIT2_LIBS ${OPENSSL_LIBRARIES}) ENDIF() IF (THREADSAFE) IF (NOT WIN32) FIND_PACKAGE(Threads REQUIRED) ENDIF() SET(GIT_THREADS 1) ENDIF() IF (USE_NSEC) SET(GIT_USE_NSEC 1) ENDIF() IF (HAVE_STRUCT_STAT_ST_MTIM) SET(GIT_USE_STAT_MTIM 1) ELSEIF (HAVE_STRUCT_STAT_ST_MTIMESPEC) SET(GIT_USE_STAT_MTIMESPEC 1) ELSEIF (HAVE_STRUCT_STAT_ST_MTIME_NSEC) SET(GIT_USE_STAT_MTIME_NSEC 1) ENDIF() ADD_DEFINITIONS(-D_FILE_OFFSET_BITS=64) # Collect sourcefiles FILE(GLOB SRC_H "${CMAKE_SOURCE_DIR}/include/git2.h" "${CMAKE_SOURCE_DIR}/include/git2/*.h" "${CMAKE_SOURCE_DIR}/include/git2/sys/*.h") # On Windows use specific platform sources IF (WIN32 AND NOT CYGWIN) ADD_DEFINITIONS(-DWIN32 -D_WIN32_WINNT=0x0501) IF(MSVC) SET(WIN_RC "win32/git2.rc") ENDIF() FILE(GLOB SRC_OS win32/*.c 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 unix/*.c unix/*.h) ENDIF() FILE(GLOB SRC_GIT2 *.c *.h transports/*.c transports/*.h xdiff/*.c xdiff/*.h) # Determine architecture of the machine IF (CMAKE_SIZEOF_VOID_P EQUAL 8) SET(GIT_ARCH_64 1) ELSEIF (CMAKE_SIZEOF_VOID_P EQUAL 4) SET(GIT_ARCH_32 1) 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() CONFIGURE_FILE(features.h.in git2/sys/features.h) SET(LIBGIT2_SOURCES ${SRC_H} ${SRC_GIT2} ${SRC_OS} ${SRC_SSH} ${SRC_SHA1}) ADD_LIBRARY(git2internal OBJECT ${LIBGIT2_SOURCES}) IDE_SPLIT_SOURCES(git2internal) LIST(APPEND LIBGIT2_OBJECTS $<TARGET_OBJECTS:git2internal>) IF (${CMAKE_VERSION} VERSION_LESS 2.8.12) INCLUDE_DIRECTORIES(${LIBGIT2_INCLUDES}) ELSE() TARGET_INCLUDE_DIRECTORIES(git2internal PRIVATE ${LIBGIT2_INCLUDES} PUBLIC ${CMAKE_SOURCE_DIR}/include) ENDIF() SET(LIBGIT2_OBJECTS ${LIBGIT2_OBJECTS} PARENT_SCOPE) SET(LIBGIT2_INCLUDES ${LIBGIT2_INCLUDES} PARENT_SCOPE) SET(LIBGIT2_LIBS ${LIBGIT2_LIBS} PARENT_SCOPE) SET(LIBGIT2_LIBDIRS ${LIBGIT2_LIBDIRS} PARENT_SCOPE) # Compile and link libgit2 LINK_DIRECTORIES(${LIBGIT2_LIBDIRS}) ADD_LIBRARY(git2 ${WIN_RC} ${LIBGIT2_OBJECTS}) TARGET_LINK_LIBRARIES(git2 ${LIBGIT2_LIBS}) SET_TARGET_PROPERTIES(git2 PROPERTIES LIBRARY_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}) SET_TARGET_PROPERTIES(git2 PROPERTIES RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}) SET_TARGET_PROPERTIES(git2 PROPERTIES ARCHIVE_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}) # 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_SOURCE_DIR}/libgit2.pc.in ${CMAKE_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(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_BINARY_DIR}/libgit2.pc DESTINATION ${LIB_INSTALL_DIR}/pkgconfig ) INSTALL(DIRECTORY ${CMAKE_SOURCE_DIR}/include/git2 DESTINATION ${INCLUDE_INSTALL_DIR} ) INSTALL(FILES ${CMAKE_SOURCE_DIR}/include/git2.h DESTINATION ${INCLUDE_INSTALL_DIR} )