ConfigureChecks.cmake

   1 include(CheckIncludeFile)
   2 include(CheckSymbolExists)
   3 include(CheckFunctionExists)
   4 include(CheckLibraryExists)
   5 include(CheckTypeSize)
   6 include(CheckCXXSourceCompiles)
   7 include(CheckStructHasMember)
   8 include(TestBigEndian)
   9
  10 set(PACKAGE ${APPLICATION_NAME})
  11 set(VERSION ${APPLICATION_VERSION})
  12 set(DATADIR ${DATA_INSTALL_DIR})
  13 set(LIBDIR ${LIB_INSTALL_DIR})
  14 set(PLUGINDIR "${PLUGIN_INSTALL_DIR}-${LIBRARY_SOVERSION}")
  15 set(SYSCONFDIR ${SYSCONF_INSTALL_DIR})
  16
  17 set(BINARYDIR ${CMAKE_BINARY_DIR})
  18 set(SOURCEDIR ${CMAKE_SOURCE_DIR})
  19
  20 function(COMPILER_DUMPVERSION _OUTPUT_VERSION)
  21     # Remove whitespaces from the argument.
  22     # This is needed for CC="ccache gcc" cmake ..
  23     string(REPLACE " " "" _C_COMPILER_ARG "${CMAKE_C_COMPILER_ARG1}")
  24
  25     execute_process(
  26         COMMAND
  27             ${CMAKE_C_COMPILER} ${_C_COMPILER_ARG} -dumpversion
  28         OUTPUT_VARIABLE _COMPILER_VERSION
  29     )
  30
  31     string(REGEX REPLACE "([0-9])\\.([0-9])(\\.[0-9])?" "\\1\\2"
  32         _COMPILER_VERSION ${_COMPILER_VERSION})
  33
  34     set(${_OUTPUT_VERSION} ${_COMPILER_VERSION} PARENT_SCOPE)
  35 endfunction()
  36
  37 if(CMAKE_COMPILER_IS_GNUCC AND NOT MINGW)
  38     compiler_dumpversion(GNUCC_VERSION)
  39     if (NOT GNUCC_VERSION EQUAL 34)
  40         check_c_compiler_flag("-fvisibility=hidden" WITH_VISIBILITY_HIDDEN)
  41     endif (NOT GNUCC_VERSION EQUAL 34)
  42 endif(CMAKE_COMPILER_IS_GNUCC AND NOT MINGW)
  43
  44 # DEFINITIONS
  45 if (SOLARIS)
  46     add_definitions(-D__EXTENSIONS__)
  47 endif (SOLARIS)
  48
  49 # HEADER FILES
  50 check_include_file(assert.h HAVE_ASSERT_H)
  51 check_include_file(inttypes.h HAVE_INTTYPES_H)
  52 check_include_file(io.h HAVE_IO_H)
  53 check_include_file(malloc.h HAVE_MALLOC_H)
  54 check_include_file(memory.h HAVE_MEMORY_H)
  55 check_include_file(setjmp.h HAVE_SETJMP_H)
  56 check_include_file(signal.h HAVE_SIGNAL_H)
  57 check_include_file(stdarg.h HAVE_STDARG_H)
  58 check_include_file(stddef.h HAVE_STDDEF_H)
  59 check_include_file(stdint.h HAVE_STDINT_H)
  60 check_include_file(stdio.h HAVE_STDIO_H)
  61 check_include_file(stdlib.h HAVE_STDLIB_H)
  62 check_include_file(string.h HAVE_STRING_H)
  63 check_include_file(strings.h HAVE_STRINGS_H)
  64 check_include_file(sys/stat.h HAVE_SYS_STAT_H)
  65 check_include_file(sys/types.h HAVE_SYS_TYPES_H)
  66 check_include_file(time.h HAVE_TIME_H)
  67 check_include_file(unistd.h HAVE_UNISTD_H)
  68
  69 if (HAVE_TIME_H)
  70     check_struct_has_member("struct timespec" tv_sec "time.h" HAVE_STRUCT_TIMESPEC)
  71 endif (HAVE_TIME_H)
  72
  73 # FUNCTIONS
  74 check_function_exists(calloc HAVE_CALLOC)
  75 check_function_exists(exit HAVE_EXIT)
  76 check_function_exists(fprintf HAVE_FPRINTF)
  77 check_function_exists(free HAVE_FREE)
  78 check_function_exists(longjmp HAVE_LONGJMP)
  79 check_function_exists(malloc HAVE_MALLOC)
  80 check_function_exists(memcpy HAVE_MEMCPY)
  81 check_function_exists(memset HAVE_MEMSET)
  82 check_function_exists(printf HAVE_PRINTF)
  83 check_function_exists(setjmp HAVE_SETJMP)
  84 check_function_exists(signal HAVE_SIGNAL)
  85 check_function_exists(strsignal HAVE_STRSIGNAL)
  86 check_function_exists(sprintf HAVE_SNPRINTF)
  87 check_function_exists(strcmp HAVE_STRCMP)
  88 check_function_exists(vsnprintf HAVE_VSNPRINTF)
  89 check_function_exists(clock_gettime HAVE_CLOCK_GETTIME)
  90
  91 if (WIN32)
  92     check_function_exists(_vsnprintf_s HAVE__VSNPRINTF_S)
  93     check_function_exists(_vsnprintf HAVE__VSNPRINTF)
  94     check_function_exists(_snprintf HAVE__SNPRINTF)
  95     check_function_exists(_snprintf_s HAVE__SNPRINTF_S)
  96 endif (WIN32)
  97
  98 find_library(RT_LIBRARY rt)
  99 if (RT_LIBRARY)
 100     set(CMAKE_REQUIRED_LIBRARIES ${RT_LIBRARY})
 101 endif (RT_LIBRARY)
 102
 103 set(CMOCKA_REQUIRED_LIBRARIES ${CMAKE_REQUIRED_LIBRARIES} CACHE INTERNAL "cmocka required system libraries")
 104
 105 # OPTIONS
 106 check_c_source_compiles("
 107 __thread int tls;
 108
 109 int main(void) {
 110     return 0;
 111 }" HAVE_GCC_THREAD_LOCAL_STORAGE)
 112
 113 if (WIN32)
 114 check_c_source_compiles("
 115 __declspec(thread) int tls;
 116
 117 int main(void) {
 118     return 0;
 119 }" HAVE_MSVC_THREAD_LOCAL_STORAGE)
 120 endif(WIN32)
 121
 122 if (HAVE_TIME_H AND HAVE_STRUCT_TIMESPEC AND HAVE_CLOCK_GETTIME)
 123     set(CMAKE_REQUIRED_LIBRARIES ${RT_LIBRARY})
 124
 125     message(STATUS "CMAKE_REQUIRED_INCLUDES=${CMAKE_REQUIRED_INCLUDES} CMAKE_REQUIRED_LIBRARIES=${CMAKE_REQUIRED_LIBRARIES}")
 126     check_c_source_compiles("
 127 #include <time.h>
 128
 129 int main(void) {
 130     struct timespec ts;
 131
 132     clock_gettime(CLOCK_REALTIME, &ts);
 133
 134     return 0;
 135 }" HAVE_CLOCK_GETTIME_REALTIME)
 136     set(CMAKE_REQUIRED_INCLUDES)
 137 endif ()
 138
 139 # ENDIAN
 140 if (NOT WIN32)
 141     set(WORDS_SIZEOF_VOID_P ${CMAKE_SIZEOF_VOID_P})
 142     test_big_endian(WORDS_BIGENDIAN)
 143 endif (NOT WIN32)