external/bsd/ntp/dist/m4/os_cflags.m4

   1 dnl ######################################################################
   2 dnl Specify additional compile options based on the OS and the compiler
   3 AC_DEFUN([AMU_OS_CFLAGS],
   4 [
   5 AC_CACHE_CHECK(additional compiler flags,
   6 ac_cv_os_cflags,
   7 [
   8 case "${host_os}" in
   9         irix6* )
  10                 case "${CC}" in
  11                         cc )
  12                                 # do not use 64-bit compiler
  13                                 ac_cv_os_cflags="-n32 -mips3 -Wl,-woff,84"
  14                                 ;;
  15                 esac
  16                 ;;
  17 # HMS: am-utils needed this but we don't (apparently)
  18 #       osf[[1-3]]* )
  19 #               # get the right version of struct sockaddr
  20 #               case "${CC}" in
  21 #                       cc )
  22 #                               ac_cv_os_cflags="-std -D_SOCKADDR_LEN -D_NO_PROTO"
  23 #                               ;;
  24 #                       * )
  25 #                               ac_cv_os_cflags="-D_SOCKADDR_LEN -D_NO_PROTO"
  26 #                               ;;
  27 #               esac
  28 #               ;;
  29 #       osf* )
  30 #               # get the right version of struct sockaddr
  31 #               case "${CC}" in
  32 #                       cc )
  33 #                               ac_cv_os_cflags="-std -D_SOCKADDR_LEN"
  34 #                               ;;
  35 #                       * )
  36 #                               ac_cv_os_cflags="-D_SOCKADDR_LEN"
  37 #                               ;;
  38 #               esac
  39 #               ;;
  40         aix[[1-3]]* )
  41                 ac_cv_os_cflags="" ;;
  42         aix4.[[0-2]]* )
  43                 # turn on additional headers
  44                 ac_cv_os_cflags="-D_XOPEN_EXTENDED_SOURCE"
  45                 ;;
  46         aix5.3* )
  47                 # avoid circular dependencies in yp headers, and more
  48                 ac_cv_os_cflags="-DHAVE_BAD_HEADERS -D_XOPEN_EXTENDED_SOURCE -D_USE_IRS -D_MSGQSUPPORT"
  49                 ;;
  50         aix* )
  51                 # avoid circular dependencies in yp headers
  52                 ac_cv_os_cflags="-DHAVE_BAD_HEADERS -D_XOPEN_EXTENDED_SOURCE -D_USE_IRS"
  53                 ;;
  54         OFF-sunos4* )
  55                 # make sure passing whole structures is handled in gcc
  56                 case "${CC}" in
  57                         gcc )
  58                                 ac_cv_os_cflags="-fpcc-struct-return"
  59                                 ;;
  60                 esac
  61                 ;;
  62         sunos[[34]]* | solaris1* | solaris2.[[0-5]] | sunos5.[[0-5]] | solaris2.5.* | sunos5.5.* )
  63                 ac_cv_os_cflags="" ;;
  64         solaris2* | sunos5* )
  65                 # turn on 64-bit file offset interface
  66                 case "${CC}" in
  67                         * )
  68                                 ac_cv_os_cflags="-D_LARGEFILE64_SOURCE"
  69                                 ;;
  70                 esac
  71                 ;;
  72         hpux* )
  73                 # use Ansi compiler on HPUX
  74                 case "${CC}" in
  75                         cc )
  76                                 ac_cv_os_cflags="-Ae"
  77                                 ;;
  78                 esac
  79                 ;;
  80         darwin* | macosx* | rhapsody* )
  81                 ac_cv_os_cflags="-D_P1003_1B_VISIBLE"
  82                 ;;
  83         * )
  84                 ac_cv_os_cflags=""
  85                 ;;
  86 esac
  87 ])
  88 CFLAGS="$CFLAGS $ac_cv_os_cflags"
  89 ])
  90 dnl ======================================================================