include/CMakeLists.txt

   1 PROJECT (INCLUDES C)
   2
   3 FILE(READ "${CMAKE_SOURCE_DIR}/VERSION" CDRKIT_VERSION)
   4 STRING(REPLACE "\n" "" CDRKIT_VERSION "${CDRKIT_VERSION}")
   5 MESSAGE("Configuring Cdrkit, version ${CDRKIT_VERSION}")
   6
   7 # auto-generated header with sizeof magic
   8 INCLUDE(CheckTypeSize)
   9 CHECK_TYPE_SIZE(short SIZE_SHORT)
  10 MATH(EXPR SHORTLESS ${SIZE_SHORT}-1)
  11 CHECK_TYPE_SIZE(int SIZE_INT)
  12 MATH(EXPR INTLESS ${SIZE_INT}-1)
  13 CHECK_TYPE_SIZE(long SIZE_LONG)
  14 MATH(EXPR LONGLESS ${SIZE_LONG}-1)
  15 CHECK_TYPE_SIZE("long long" SIZE_LLONG)
  16 MATH(EXPR LLONGLESS ${SIZE_LLONG}-1)
  17 CHECK_TYPE_SIZE(float SIZE_FLOAT)
  18 MATH(EXPR FLOATLESS ${SIZE_FLOAT}-1)
  19 CHECK_TYPE_SIZE(double SIZE_DOUBLE)
  20 MATH(EXPR DOUBLELESS ${SIZE_DOUBLE}-1)
  21 CHECK_TYPE_SIZE("char*" SIZE_PTR)
  22 MATH(EXPR PTRLESS ${SIZE_PTR}-1)
  23 CONFIGURE_FILE( align.h.in align.h)
  24 #SET_SOURCE_FILES_PROPERTIES(align.h PROPERTIES GENERATED 1)
  25
  26 TRY_COMPILE(VA_LIST_IS_ARRAY ${CMAKE_BINARY_DIR}  ${CMAKE_CURRENT_SOURCE_DIR}/test_VA_LIST_IS_ARRAY.c)
  27 # invert the result, has the condition IFF compiler fails. There must be a simple way to say a=!b... but how?
  28 IF(VA_LIST_IS_ARRAY)
  29    SET(VA_LIST_IS_ARRAY FALSE)
  30 else(VA_LIST_IS_ARRAY)
  31    SET(VA_LIST_IS_ARRAY TRUE)
  32 endif(VA_LIST_IS_ARRAY)
  33
  34
  35 INCLUDE(TestBigEndian)
  36 TEST_BIG_ENDIAN(WORDS_BIGENDIAN)
  37
  38 TRY_RUN(BITFIELDS_HTOL TEST_DUMMY ${CMAKE_BINARY_DIR} ${CMAKE_CURRENT_SOURCE_DIR}/test_BITFIELDS_HTOL.c)
  39
  40 INCLUDE(CheckIncludeFiles)
  41
  42 #SET(CMAKE_REQUIRED_INCLUDES "/usr/include;/usr/local/include")
  43 CHECK_INCLUDE_FILES("stdarg.h" HAVE_STDARG_H)
  44 CHECK_INCLUDE_FILES("stdlib.h" HAVE_STDLIB_H)
  45 CHECK_INCLUDE_FILES("string.h" HAVE_STRING_H)
  46 CHECK_INCLUDE_FILES("strings.h" HAVE_STRINGS_H)
  47 CHECK_INCLUDE_FILES("unistd.h" HAVE_UNISTD_H)
  48 CHECK_INCLUDE_FILES("getopt.h" HAVE_GETOPT_H)
  49 CHECK_INCLUDE_FILES("limits.h" HAVE_LIMITS_H)
  50 CHECK_INCLUDE_FILES("fcntl.h" HAVE_FCNTL_H)
  51 CHECK_INCLUDE_FILES("sys/file.h" HAVE_SYS_FILE_H)
  52 CHECK_INCLUDE_FILES("inttypes.h" HAVE_INTTYPES_H)
  53 CHECK_INCLUDE_FILES("dirent.h" HAVE_DIRENT_H)
  54 CHECK_INCLUDE_FILES("alloca.h" HAVE_ALLOCA_H)
  55 CHECK_INCLUDE_FILES("termios.h" HAVE_TERMIOS_H)
  56 CHECK_INCLUDE_FILES("termio.h" HAVE_TERMIO_H)
  57 CHECK_INCLUDE_FILES("pwd.h" HAVE_PWD_H)
  58 CHECK_INCLUDE_FILES("sys/time.h" HAVE_SYS_TIME_H)
  59 CHECK_INCLUDE_FILES("utime.h" HAVE_UTIME_H)
  60 CHECK_INCLUDE_FILES("sys/ioctl.h" HAVE_SYS_IOCTL_H)
  61 CHECK_INCLUDE_FILES("sys/param.h" HAVE_SYS_PARAM_H)
  62 CHECK_INCLUDE_FILES("wait.h" HAVE_WAIT_H)
  63 CHECK_INCLUDE_FILES("sys/wait.h" HAVE_SYS_WAIT_H)
  64 CHECK_INCLUDE_FILES("sys/resource.h" HAVE_SYS_RESOURCE_H)
  65 CHECK_INCLUDE_FILES("sys/utsname.h" HAVE_SYS_UTSNAME_H)
  66 CHECK_INCLUDE_FILES("poll.h" HAVE_POLL_H)
  67 CHECK_INCLUDE_FILES("sys/poll.h" HAVE_SYS_POLL_H)
  68 CHECK_INCLUDE_FILES("netdb.h" HAVE_NETDB_H)
  69 CHECK_INCLUDE_FILES("sys/socket.h" HAVE_SYS_SOCKET_H)
  70 CHECK_INCLUDE_FILES("linux/pg.h" HAVE_LINUX_PG_H)
  71 CHECK_INCLUDE_FILES("arpa/inet.h" HAVE_ARPA_INET_H)
  72 CHECK_INCLUDE_FILES("sys/ipc.h" HAVE_SYS_IPC_H)
  73 CHECK_INCLUDE_FILES("sys/types.h;sys/mman.h" HAVE_SYS_MMAN_H)
  74 CHECK_INCLUDE_FILES("sys/types.h;sys/dkio.h" HAVE_SYS_DKIO_H)
  75 CHECK_INCLUDE_FILES("sys/types.h;sun/dkio.h" HAVE_SUN_DKIO_H)
  76 CHECK_INCLUDE_FILES("iconv.h" HAVE_ICONV_H)
  77
  78
  79 INCLUDE(CheckCSourceCompiles)
  80 INCLUDE(CheckFunctionExists)
  81
  82 #SET(CMAKE_REQUIRED_LIBRARIES iconv)
  83 SET(TESTSRC "
  84 #include <iconv.h>
  85 int main(int a, char **b) { iconv_t foo = iconv_open(b[0], b[0]); return(0); }
  86 ")
  87
  88 CHECK_C_SOURCE_COMPILES("${TESTSRC}" USE_LIBC_ICONV)
  89 IF(NOT USE_LIBC_ICONV)
  90 SET(CMAKE_REQUIRED_LIBRARIES iconv)
  91 CHECK_C_SOURCE_COMPILES("${TESTSRC}" USE_LIBICONV)
  92 IF(NOT USE_LIBICONV)
  93    message("ERROR: no library providing iconv found")
  94 ENDIF(NOT USE_LIBICONV)
  95 ENDIF(NOT USE_LIBC_ICONV)
  96 SET(CMAKE_REQUIRED_INCLUDES )
  97
  98
  99
 100 #CHECK_C_SOURCE_COMPILES("${TESTSRC}" USE_LIBICONV)
 101 #IF(NOT USE_LIBICONV)
 102 #   FIND_FILE(ICONV_H_LOCATION "iconv.h")
 103 #   IF(NOT "${ICONV_H_LOCATION}" EQUAL "/usr/include/iconv.h")
 104 #      MESSAGE("WARNING: iconv.h found in non-standard location (${ICONV_H_LOCATION}) but")
 105 #      MESSAGE("GNU libiconv is not available. See INSTALL for details. Sleeping 10 seconds.")
 106 #      EXECUTE_PROCESS(COMMAND "sleep" "10")
 107 #   ENDIF(NOT "${ICONV_H_LOCATION}" EQUAL "/usr/include/iconv.h")
 108 #ENDIF(NOT USE_LIBICONV)
 109
 110 SET(CMAKE_REQUIRED_LIBRARIES )
 111 SET(TESTSRC "
 112 #include <stdlib.h>
 113 int main() { return ( (int) drand48()  )  ; }
 114 ")
 115 CHECK_C_SOURCE_COMPILES("${TESTSRC}" HAVE_DRAND48)
 116 SET(TESTSRC "
 117 #include <stdlib.h>
 118 int main() { return ( (int) drand()  )  ; }
 119 ")
 120 CHECK_C_SOURCE_COMPILES("${TESTSRC}" HAVE_DRAND)
 121 SET(TESTSRC "
 122 #include <sys/socket.h>
 123 #include <netdb.h>
 124 int main(int argc, char **argv) {
 125 struct sockaddr sa;
 126 return getnameinfo(&sa, 1, argv[0], 1, argv[1], 1, 0);
 127 }
 128 ")
 129 CHECK_C_SOURCE_COMPILES("${TESTSRC}" HAVE_GETNAMEINFO)
 130 SET(TESTSRC "
 131 #include <sys/socket.h>
 132 #include <netinet/in.h>
 133 #include <arpa/inet.h>
 134 int main(int a, char **b) {
 135 struct in_addr in;
 136 inet_ntoa(in);
 137 return 0;
 138 }
 139 ")
 140 CHECK_C_SOURCE_COMPILES("${TESTSRC}" HAVE_INET_NTOA)
 141
 142 SET(TESTSRC "
 143 #include <sys/types.h>
 144 #include <wait.h>
 145 int main() {
 146 union wait w;
 147 return 0;
 148 }
 149 ")
 150 # FIXME: try the same with #include <sys/wait.h>... may work, if yes, integrate properly
 151 CHECK_C_SOURCE_COMPILES("${TESTSRC}" HAVE_UNION_WAIT)
 152 SET(TESTSRC "
 153 #include <sys/types.h>
 154 #include <sys/mman.h>
 155 int main() {
 156 if (mlockall(MCL_CURRENT|MCL_FUTURE) < 0)
 157    return(0);
 158    }
 159 ")
 160 CHECK_C_SOURCE_COMPILES("${TESTSRC}" HAVE_MLOCKALL)
 161 SET(TESTSRC "
 162 int main(int argc, char **argv) {
 163    int a[argc];
 164    return 0;
 165 }
 166 ")
 167 CHECK_C_SOURCE_COMPILES("${TESTSRC}" HAVE_DYN_ARRAYS)
 168
 169 CONFIGURE_FILE( xconfig.h.in xconfig.h)
 170