FindXorgGTest.cmake

# Find xorg-gtest,with pkg-config. This sets:
#
# XORG_GTEST_FOUND
# XORG_SERVER_INCLUDE_XORG_GTEST
# XORG_SERVER_GTEST_SRC

# xorg-gtest
pkg_check_modules (XORG_SERVER
		   xorg-gtest>=0.7.0
		   xorg-server
		   x11
		   xi)

if (XORG_SERVER_FOUND)

    execute_process (COMMAND ${PKG_CONFIG_EXECUTABLE} --variable=prefix xorg-gtest OUTPUT_VARIABLE _xorg_gtest_prefix)
    execute_process (COMMAND ${PKG_CONFIG_EXECUTABLE} --variable=includedir xorg-gtest OUTPUT_VARIABLE _xorg_gtest_include_dir)
    execute_process (COMMAND ${PKG_CONFIG_EXECUTABLE} --variable=sourcedir xorg-gtest OUTPUT_VARIABLE _xorg_gtest_source_dir)
    execute_process (COMMAND ${PKG_CONFIG_EXECUTABLE} --variable=CPPflags xorg-gtest OUTPUT_VARIABLE _xorg_gtest_cflags)

    string (STRIP ${_xorg_gtest_prefix} _xorg_gtest_prefix)
    string (STRIP ${_xorg_gtest_include_dir} _xorg_gtest_include_dir)
    string (STRIP ${_xorg_gtest_source_dir} _xorg_gtest_source_dir)
    string (STRIP ${_xorg_gtest_cflags} _xorg_gtest_cflags)

    # This is a workaround for bug #1521366 caused by recent pkg-config variables unquoting
    set (_unescaped_double_quote "([^\\])\\\"")
    set (_escaped_double_quote "\\1\\\\\"")
    string (REGEX REPLACE ${_unescaped_double_quote} ${_escaped_double_quote} _xorg_gtest_prefix ${_xorg_gtest_prefix})
    string (REGEX REPLACE ${_unescaped_double_quote} ${_escaped_double_quote} _xorg_gtest_include_dir ${_xorg_gtest_include_dir})
    string (REGEX REPLACE ${_unescaped_double_quote} ${_escaped_double_quote} _xorg_gtest_source_dir ${_xorg_gtest_source_dir})
    string (REGEX REPLACE ${_unescaped_double_quote} ${_escaped_double_quote} _xorg_gtest_cflags ${_xorg_gtest_cflags})

    set (XORG_SERVER_GTEST_INCLUDES ${XORG_SERVER_INCLUDE_DIRS})
    set (XORG_SERVER_GTEST_LIBRARY_DIRS ${XORG_SERVER_LIBRARIES})
    set (XORG_SERVER_GTEST_LIBRARIES} ${XORG_SERVER_LIBRARIES})
    set (XORG_SERVER_INCLUDE_XORG_GTEST ${_xorg_gtest_include_dir} CACHE PATH "Path to Xorg GTest Headers")
    set (XORG_SERVER_GTEST_SRC ${_xorg_gtest_source_dir} CACHE PATH "Path to Xorg GTest Sources")
    set (XORG_SERVER_GTEST_CFLAGS ${_xorg_gtest_cflags})
    set (XORG_SERVER_GTEST_ROOT ${CMAKE_SOURCE_DIR}/tests/xorg-gtest CACHE PATH "Path to Xorg GTest CMake sources")
    set (COMPIZ_XORG_SYSTEM_TEST_INCLUDE_DIR ${CMAKE_SOURCE_DIR}/tests/xorg-gtest/include CACHE PATH "Path to Compiz Xorg GTest Headers")
    
    message (STATUS "Found xorg-gtest sources at " ${XORG_SERVER_GTEST_SRC})
    set (XORG_GTEST_FOUND ON)

else (XORG_SERVER_FOUND)

    message (WARNING "Could not found xorg-gtest, can't build xserver tests")
    set (XORG_GTEST_FOUND OFF)

endif (XORG_SERVER_FOUND)