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Merge pull request #1162 from scunz/cmake_cleanups
RFC: Some cleanups/features in CMakeLists.txt
This commit is contained in:
Vicent Martí
commit
f7a40a82b0
131
CMakeLists.txt
131
CMakeLists.txt
@ -14,6 +14,67 @@
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PROJECT(libgit2 C)
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CMAKE_MINIMUM_REQUIRED(VERSION 2.6)
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# Build options
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#
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OPTION( BUILD_SHARED_LIBS "Build Shared Library (OFF for Static)" ON )
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OPTION( THREADSAFE "Build libgit2 as threadsafe" OFF )
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OPTION( BUILD_CLAR "Build Tests using the Clar suite" ON )
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OPTION( BUILD_EXAMPLES "Build library usage example apps" OFF )
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OPTION( TAGS "Generate tags" OFF )
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OPTION( PROFILE "Generate profiling information" OFF )
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IF(MSVC)
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# This option is only availalbe when building with MSVC. By default, libgit2 is
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# build using the stdcall calling convention, as that's what the CLR expects by
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# default and how the Windows API is built.
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#
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# If you are writing a C or C++ program and want to link to libgit2, you have to
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# either:
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# - Add /Gz to the compiler options of _your_ program / library.
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# - Turn this option off by invoking CMake with the "-DSTDCALL=Off" argument.
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#
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OPTION( STDCALL "Build libgit2 with the __stdcall convention" ON )
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ENDIF()
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# Installation paths
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#
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SET(BIN_INSTALL_DIR bin CACHE PATH "Where to install binaries to.")
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SET(LIB_INSTALL_DIR lib CACHE PATH "Where to install libraries to.")
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SET(INCLUDE_INSTALL_DIR include CACHE PATH "Where to install headers to.")
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FUNCTION(TARGET_OS_LIBRARIES target)
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IF(WIN32)
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TARGET_LINK_LIBRARIES(${target} ws2_32)
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ELSEIF(CMAKE_SYSTEM_NAME MATCHES "(Solaris|SunOS)")
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TARGET_LINK_LIBRARIES(${target} socket nsl)
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ENDIF ()
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IF(THREADSAFE)
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TARGET_LINK_LIBRARIES(${target} ${CMAKE_THREAD_LIBS_INIT})
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ENDIF()
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ENDFUNCTION()
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# For the MSVC IDE, this function splits up the source files like windows explorer does.
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# This is esp. useful with the libgit2_clar project, were usually 2 or more files share
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# the same name.
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# Sadly, this file grouping is a per-directory option in cmake and not per-target, resulting
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# in empty virtual folders "tests-clar" for the git2.dll
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FUNCTION(MSVC_SPLIT_SOURCES target)
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IF(MSVC_IDE)
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GET_TARGET_PROPERTY(sources ${target} SOURCES)
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FOREACH(source ${sources})
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IF(source MATCHES ".*/")
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STRING(REPLACE ${CMAKE_CURRENT_SOURCE_DIR}/ "" rel ${source})
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IF(rel)
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STRING(REGEX REPLACE "/([^/]*)$" "" rel ${rel})
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IF(rel)
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STRING(REPLACE "/" "\\\\" rel ${rel})
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SOURCE_GROUP(${rel} FILES ${source})
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ENDIF()
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ENDIF()
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ENDIF()
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ENDFOREACH()
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ENDIF()
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ENDFUNCTION()
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FILE(STRINGS "include/git2/version.h" GIT2_HEADER REGEX "^#define LIBGIT2_VERSION \"[^\"]*\"$")
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STRING(REGEX REPLACE "^.*LIBGIT2_VERSION \"([0-9]+).*$" "\\1" LIBGIT2_VERSION_MAJOR "${GIT2_HEADER}")
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@ -27,13 +88,14 @@ IF (AMIGA)
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ENDIF()
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# Find required dependencies
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INCLUDE_DIRECTORIES(src include deps/http-parser)
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INCLUDE_DIRECTORIES(src include)
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IF (WIN32 AND NOT MINGW)
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ADD_DEFINITIONS(-DGIT_WINHTTP)
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ELSE ()
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FIND_PACKAGE(OpenSSL)
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FILE(GLOB SRC_HTTP deps/http-parser/*.c)
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INCLUDE_DIRECTORIES(deps/http-parser)
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ENDIF()
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# Specify sha1 implementation
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@ -49,44 +111,29 @@ ELSE()
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FILE(GLOB SRC_SHA1 src/hash/hash_generic.c)
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ENDIF()
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IF (NOT WIN32)
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FIND_PACKAGE(ZLIB)
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IF (CMAKE_SYSTEM_NAME STREQUAL "AmigaOS")
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INCLUDE_DIRECTORIES(deps/regex)
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SET(SRC_REGEX deps/regex/regex.c)
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ENDIF()
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ELSE()
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# Windows doesn't understand POSIX regex on its own
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# Include POSIX regex when it is required
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IF(WIN32 OR CMAKE_SYSTEM_NAME STREQUAL "AmigaOS")
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INCLUDE_DIRECTORIES(deps/regex)
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SET(SRC_REGEX deps/regex/regex.c)
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ENDIF()
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# Optional external dependency: zlib
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IF(NOT ZLIB_LIBRARY)
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# It's optional, but FIND_PACKAGE gives a warning that looks more like an error.
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FIND_PACKAGE(ZLIB QUIET)
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ENDIF()
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IF (ZLIB_FOUND)
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INCLUDE_DIRECTORIES(${ZLIB_INCLUDE_DIRS})
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LINK_LIBRARIES(${ZLIB_LIBRARIES})
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ELSE (ZLIB_FOUND)
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ELSE()
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MESSAGE( "zlib was not found; using bundled 3rd-party sources." )
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INCLUDE_DIRECTORIES(deps/zlib)
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ADD_DEFINITIONS(-DNO_VIZ -DSTDC -DNO_GZIP)
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FILE(GLOB SRC_ZLIB deps/zlib/*.c)
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ENDIF()
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# Installation paths
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SET(BIN_INSTALL_DIR bin CACHE PATH "Where to install binaries to.")
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SET(LIB_INSTALL_DIR lib CACHE PATH "Where to install libraries to.")
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SET(INCLUDE_INSTALL_DIR include CACHE PATH "Where to install headers to.")
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# Build options
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OPTION (BUILD_SHARED_LIBS "Build Shared Library (OFF for Static)" ON)
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OPTION (THREADSAFE "Build libgit2 as threadsafe" OFF)
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OPTION (BUILD_CLAR "Build Tests using the Clar suite" ON)
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OPTION (BUILD_EXAMPLES "Build library usage example apps" OFF)
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OPTION (TAGS "Generate tags" OFF)
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OPTION (PROFILE "Generate profiling information" OFF)
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# Platform specific compilation flags
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IF (MSVC)
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# Default to stdcall, as that's what the CLR expects and how the Windows API is built
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OPTION (STDCALL "Buildl libgit2 with the __stdcall convention" ON)
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STRING(REPLACE "/Zm1000" " " CMAKE_C_FLAGS "${CMAKE_C_FLAGS}")
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@ -148,26 +195,22 @@ FILE(GLOB SRC_H include/git2/*.h)
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# On Windows use specific platform sources
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IF (WIN32 AND NOT CYGWIN)
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ADD_DEFINITIONS(-DWIN32 -D_DEBUG -D_WIN32_WINNT=0x0501)
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FILE(GLOB SRC src/*.c src/transports/*.c src/xdiff/*.c src/win32/*.c src/compat/*.c)
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ELSEIF (CMAKE_SYSTEM_NAME MATCHES "(Solaris|SunOS)")
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FILE(GLOB SRC src/*.c src/transports/*.c src/xdiff/*.c src/unix/*.c src/compat/*.c)
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FILE(GLOB SRC_OS src/win32/*.c)
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ELSEIF (AMIGA)
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ADD_DEFINITIONS(-DNO_ADDRINFO -DNO_READDIR_R)
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FILE(GLOB SRC src/*.c src/transports/*.c src/xdiff/*.c src/amiga/*.c src/compat/*.c)
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FILE(GLOB SRC_OS src/amiga/*.c)
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ELSE()
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FILE(GLOB SRC src/*.c src/transports/*.c src/xdiff/*.c src/unix/*.c)
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ENDIF ()
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FILE(GLOB SRC_OS src/unix/*.c)
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ENDIF()
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FILE(GLOB SRC_GIT2 src/*.c src/transports/*.c src/xdiff/*.c)
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# Compile and link libgit2
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ADD_LIBRARY(git2 ${SRC} ${SRC_ZLIB} ${SRC_HTTP} ${SRC_REGEX} ${SRC_SHA1} ${WIN_RC})
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ADD_LIBRARY(git2 ${SRC_GIT2} ${SRC_OS} ${SRC_ZLIB} ${SRC_HTTP} ${SRC_REGEX} ${SRC_SHA1} ${WIN_RC})
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TARGET_LINK_LIBRARIES(git2 ${SSL_LIBRARIES})
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TARGET_OS_LIBRARIES(git2)
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IF (WIN32)
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TARGET_LINK_LIBRARIES(git2 ws2_32)
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ELSEIF (CMAKE_SYSTEM_NAME MATCHES "(Solaris|SunOS)")
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TARGET_LINK_LIBRARIES(git2 socket nsl)
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ENDIF ()
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MSVC_SPLIT_SOURCES(git2)
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TARGET_LINK_LIBRARIES(git2 ${CMAKE_THREAD_LIBS_INIT} ${SSL_LIBRARIES})
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SET_TARGET_PROPERTIES(git2 PROPERTIES VERSION ${LIBGIT2_VERSION_STRING})
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SET_TARGET_PROPERTIES(git2 PROPERTIES SOVERSION ${LIBGIT2_VERSION_MAJOR})
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CONFIGURE_FILE(${CMAKE_CURRENT_SOURCE_DIR}/libgit2.pc.in ${CMAKE_CURRENT_BINARY_DIR}/libgit2.pc @ONLY)
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@ -208,20 +251,16 @@ IF (BUILD_CLAR)
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DEPENDS ${CLAR_PATH}/clar ${SRC_TEST}
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WORKING_DIRECTORY ${CLAR_PATH}
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)
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ADD_EXECUTABLE(libgit2_clar ${SRC} ${CLAR_PATH}/clar_main.c ${SRC_TEST} ${SRC_ZLIB} ${SRC_HTTP} ${SRC_REGEX} ${SRC_SHA1})
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TARGET_LINK_LIBRARIES(libgit2_clar ${CMAKE_THREAD_LIBS_INIT} ${SSL_LIBRARIES})
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ADD_EXECUTABLE(libgit2_clar ${SRC_GIT2} ${SRC_OS} ${CLAR_PATH}/clar_main.c ${SRC_TEST} ${SRC_ZLIB} ${SRC_HTTP} ${SRC_REGEX} ${SRC_SHA1})
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TARGET_LINK_LIBRARIES(libgit2_clar ${SSL_LIBRARIES})
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TARGET_OS_LIBRARIES(libgit2_clar)
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MSVC_SPLIT_SOURCES(libgit2_clar)
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IF (MSVC_IDE)
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# Precompiled headers
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SET_TARGET_PROPERTIES(libgit2_clar PROPERTIES COMPILE_FLAGS "/Yuprecompiled.h /FIprecompiled.h")
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ENDIF ()
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IF (WIN32)
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TARGET_LINK_LIBRARIES(libgit2_clar ws2_32)
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ELSEIF (CMAKE_SYSTEM_NAME MATCHES "(Solaris|SunOS)")
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TARGET_LINK_LIBRARIES(libgit2_clar socket nsl)
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ENDIF ()
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ENABLE_TESTING()
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ADD_TEST(libgit2_clar libgit2_clar -iall)
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ENDIF ()
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