option (WITH_GFLAGS "Use gflags" ON)
+list (APPEND CMAKE_MODULE_PATH ${CMAKE_CURRENT_SOURCE_DIR}/cmake)
+
include (CMakePackageConfigHelpers)
include (CPack)
include (CheckCSourceCompiles)
include (CheckStructHasMember)
include (CheckSymbolExists)
include (CheckTypeSize)
+include (DetermineGflagsNamespace)
set (CMAKE_THREAD_PREFER_PTHREAD 1)
if (gflags_FOUND)
set (HAVE_LIB_GFLAGS 1)
+ determine_gflags_namespace (gflags_NAMESPACE)
endif (gflags_FOUND)
endif (WITH_GFLAGS)
--- /dev/null
+macro(determine_gflags_namespace VARIABLE)
+ if (NOT DEFINED "${VARIABLE}")
+ if (CMAKE_REQUIRED_INCLUDES)
+ set (CHECK_INCLUDE_FILE_CXX_INCLUDE_DIRS "-DINCLUDE_DIRECTORIES=${CMAKE_REQUIRED_INCLUDES}")
+ else ()
+ set (CHECK_INCLUDE_FILE_CXX_INCLUDE_DIRS)
+ endif ()
+
+ set(MACRO_CHECK_INCLUDE_FILE_FLAGS ${CMAKE_REQUIRED_FLAGS})
+
+ set(_NAMESPACES gflags google)
+ set(_check_code
+"
+#include <gflags/gflags.h>
+
+int main(int argc, char**argv)
+{
+ GFLAGS_NAMESPACE::ParseCommandLineFlags(&argc, &argv, true);
+}
+")
+ if (NOT CMAKE_REQUIRED_QUIET)
+ message (STATUS "Looking for gflags namespace")
+ endif ()
+ if (${ARGC} EQUAL 3)
+ set (CMAKE_CXX_FLAGS_SAVE ${CMAKE_CXX_FLAGS})
+ set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${ARGV2}")
+ endif ()
+
+ set (_check_file
+ ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/DetermineGflagsNamespace.cxx)
+
+ foreach (_namespace ${_NAMESPACES})
+ file (WRITE "${_check_file}" "${_check_code}")
+ try_compile (${VARIABLE}
+ "${CMAKE_BINARY_DIR}" "${_check_file}"
+ COMPILE_DEFINITIONS "${CMAKE_REQUIRED_DEFINITIONS}" -DGFLAGS_NAMESPACE=${_namespace}
+ LINK_LIBRARIES "${gflags_LIBRARIES}"
+ CMAKE_FLAGS -DINCLUDE_DIRECTORIES:STRING="${gflags_INCLUDE_DIR}"
+ OUTPUT_VARIABLE OUTPUT)
+
+ if (${VARIABLE})
+ set (${VARIABLE} ${_namespace} CACHE INTERNAL "gflags namespace" FORCE)
+ break ()
+ else ()
+ file(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeError.log
+ "Determining the gflags namespace ${_namespace} failed with the following output:\n"
+ "${OUTPUT}\n\n")
+ endif ()
+ endforeach (_namespace)
+
+ if (${ARGC} EQUAL 3)
+ set (CMAKE_CXX_FLAGS ${CMAKE_CXX_FLAGS_SAVE})
+ endif ()
+
+ if (${VARIABLE})
+ if (NOT CMAKE_REQUIRED_QUIET)
+ message (STATUS "Looking for gflags namespace - ${${VARIABLE}}")
+ endif ()
+ file (APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeOutput.log
+ "Determining the gflags namespace passed with the following output:\n"
+ "${OUTPUT}\n\n")
+ else ()
+ if (NOT CMAKE_REQUIRED_QUIET)
+ message (STATUS "Looking for gflags namespace - failed")
+ endif ()
+ set (${VARIABLE} ${_namespace} CACHE INTERNAL "gflags namespace")
+ endif ()
+ endif ()
+endmacro ()
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// Author: Shinichiro Hamaji
-
#include "utilities.h"
#include "googletest.h"
#include "glog/logging.h"
+#ifdef HAVE_LIB_GFLAGS
+#include <gflags/gflags.h>
+using namespace GFLAGS_NAMESPACE;
+#endif
+
using namespace GOOGLE_NAMESPACE;
TEST(utilities, sync_val_compare_and_swap) {