diff options
Diffstat (limited to 'cmake/External/gflags.cmake')
-rw-r--r-- | cmake/External/gflags.cmake | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/cmake/External/gflags.cmake b/cmake/External/gflags.cmake new file mode 100644 index 00000000..a50a0925 --- /dev/null +++ b/cmake/External/gflags.cmake @@ -0,0 +1,56 @@ +if (NOT __GFLAGS_INCLUDED) # guard against multiple includes + set(__GFLAGS_INCLUDED TRUE) + + # use the system-wide gflags if present + find_package(GFlags) + if (GFLAGS_FOUND) + set(GFLAGS_EXTERNAL FALSE) + else() + # gflags will use pthreads if it's available in the system, so we must link with it + find_package(Threads) + + # build directory + set(gflags_PREFIX ${CMAKE_BINARY_DIR}/external/gflags-prefix) + # install directory + set(gflags_INSTALL ${CMAKE_BINARY_DIR}/external/gflags-install) + + # we build gflags statically, but want to link it into the caffe shared library + # this requires position-independent code + if (UNIX) + set(GFLAGS_EXTRA_COMPILER_FLAGS "-fPIC") + endif() + + set(GFLAGS_CXX_FLAGS ${CMAKE_CXX_FLAGS} ${GFLAGS_EXTRA_COMPILER_FLAGS}) + set(GFLAGS_C_FLAGS ${CMAKE_C_FLAGS} ${GFLAGS_EXTRA_COMPILER_FLAGS}) + + ExternalProject_Add(gflags + PREFIX ${gflags_PREFIX} + GIT_REPOSITORY "https://github.com/gflags/gflags.git" + GIT_TAG "v2.1.2" + UPDATE_COMMAND "" + INSTALL_DIR ${gflags_INSTALL} + CMAKE_ARGS -DCMAKE_BUILD_TYPE=${CMAKE_BUILD_TYPE} + -DCMAKE_INSTALL_PREFIX=${gflags_INSTALL} + -DBUILD_SHARED_LIBS=OFF + -DBUILD_STATIC_LIBS=ON + -DBUILD_PACKAGING=OFF + -DBUILD_TESTING=OFF + -DBUILD_NC_TESTS=OFF + -BUILD_CONFIG_TESTS=OFF + -DINSTALL_HEADERS=ON + -DCMAKE_C_FLAGS=${GFLAGS_C_FLAGS} + -DCMAKE_CXX_FLAGS=${GFLAGS_CXX_FLAGS} + LOG_DOWNLOAD 1 + LOG_INSTALL 1 + ) + + set(GFLAGS_FOUND TRUE) + set(GFLAGS_INCLUDE_DIRS ${gflags_INSTALL}/include) + set(GFLAGS_LIBRARIES ${gflags_INSTALL}/lib/libgflags.a ${CMAKE_THREAD_LIBS_INIT}) + set(GFLAGS_LIBRARY_DIRS ${gflags_INSTALL}/lib) + set(GFLAGS_EXTERNAL TRUE) + + list(APPEND external_project_dependencies gflags) + endif() + +endif() |