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ConfigureChecks.cmake
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ConfigureChecks.cmake
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include(CheckIncludeFile)
include(CheckSymbolExists)
include(CheckFunctionExists)
include(CheckLibraryExists)
include(CheckTypeSize)
include(CheckCXXSourceCompiles)
include(TestBigEndian)
set(PACKAGE ${APPLICATION_NAME})
set(VERSION ${APPLICATION_VERSION})
set(DATADIR ${DATA_INSTALL_DIR})
set(LIBDIR ${LIB_INSTALL_DIR})
set(PLUGINDIR "${PLUGIN_INSTALL_DIR}-${LIBRARY_SOVERSION}")
set(SYSCONFDIR ${SYSCONF_INSTALL_DIR})
set(BINARYDIR ${CMAKE_BINARY_DIR})
set(SOURCEDIR ${CMAKE_SOURCE_DIR})
function(COMPILER_DUMPVERSION _OUTPUT_VERSION)
# Remove whitespaces from the argument.
# This is needed for CC="ccache gcc" cmake ..
string(REPLACE " " "" _C_COMPILER_ARG "${CMAKE_C_COMPILER_ARG1}")
execute_process(
COMMAND
${CMAKE_C_COMPILER} ${_C_COMPILER_ARG} -dumpversion
OUTPUT_VARIABLE _COMPILER_VERSION
)
string(REGEX REPLACE "([0-9])\\.([0-9])(\\.[0-9])?" "\\1\\2"
_COMPILER_VERSION "${_COMPILER_VERSION}")
set(${_OUTPUT_VERSION} ${_COMPILER_VERSION} PARENT_SCOPE)
endfunction()
if(CMAKE_COMPILER_IS_GNUCC AND NOT MINGW AND NOT OS2)
compiler_dumpversion(GNUCC_VERSION)
if (NOT GNUCC_VERSION EQUAL 34)
set(CMAKE_REQUIRED_FLAGS "-fvisibility=hidden")
check_c_source_compiles(
"void __attribute__((visibility(\"default\"))) test() {}
int main(void){ return 0; }
" WITH_VISIBILITY_HIDDEN)
set(CMAKE_REQUIRED_FLAGS "")
endif (NOT GNUCC_VERSION EQUAL 34)
endif(CMAKE_COMPILER_IS_GNUCC AND NOT MINGW AND NOT OS2)
# HEADER FILES
check_include_file(argp.h HAVE_ARGP_H)
check_include_file(unistd.h HAVE_UNISTD_H)
if (NOT WIN32)
test_big_endian(WORDS_BIGENDIAN)
endif (NOT WIN32)