external/bsd/am-utils/dist/m4/macros/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         osf[[1-3]]* )
  18                 # get the right version of struct sockaddr
  19                 case "${CC}" in
  20                         cc )
  21                                 ac_cv_os_cflags="-std -D_SOCKADDR_LEN -D_NO_PROTO"
  22                                 ;;
  23                         * )
  24                                 ac_cv_os_cflags="-D_SOCKADDR_LEN -D_NO_PROTO"
  25                                 ;;
  26                 esac
  27                 ;;
  28         osf* )
  29                 # get the right version of struct sockaddr
  30                 case "${CC}" in
  31                         cc )
  32                                 ac_cv_os_cflags="-std -D_SOCKADDR_LEN"
  33                                 ;;
  34                         * )
  35                                 ac_cv_os_cflags="-D_SOCKADDR_LEN"
  36                                 ;;
  37                 esac
  38                 ;;
  39         aix[[1-3]]* )
  40                 ac_cv_os_cflags="" ;;
  41         aix4.[[0-2]]* )
  42                 # turn on additional headers
  43                 ac_cv_os_cflags="-D_XOPEN_EXTENDED_SOURCE"
  44                 ;;
  45         aix5.3* )
  46                 # avoid circular dependencies in yp headers, and more
  47                 ac_cv_os_cflags="-DHAVE_BAD_HEADERS -D_XOPEN_EXTENDED_SOURCE -D_USE_IRS -D_MSGQSUPPORT"
  48                 ;;
  49         aix* )
  50                 # avoid circular dependencies in yp headers
  51                 ac_cv_os_cflags="-DHAVE_BAD_HEADERS -D_XOPEN_EXTENDED_SOURCE -D_USE_IRS"
  52                 ;;
  53         OFF-sunos4* )
  54                 # make sure passing whole structures is handled in gcc
  55                 case "${CC}" in
  56                         gcc )
  57                                 ac_cv_os_cflags="-fpcc-struct-return"
  58                                 ;;
  59                 esac
  60                 ;;
  61         sunos[[34]]* | solaris1* | solaris2.[[0-5]] | sunos5.[[0-5]] | solaris2.5.* | sunos5.5.* )
  62                 ac_cv_os_cflags="" ;;
  63         solaris2* | sunos5* )
  64                 # turn on 64-bit file offset interface
  65                 case "${CC}" in
  66                         * )
  67                                 ac_cv_os_cflags="-D_LARGEFILE64_SOURCE"
  68                                 ;;
  69                 esac
  70                 ;;
  71         hpux* )
  72                 # use Ansi compiler on HPUX
  73                 case "${CC}" in
  74                         cc )
  75                                 ac_cv_os_cflags="-Ae"
  76                                 ;;
  77                 esac
  78                 ;;
  79         darwin* | macosx* | rhapsody* )
  80                 ac_cv_os_cflags="-D_P1003_1B_VISIBLE"
  81                 ;;
  82         * )
  83                 ac_cv_os_cflags=""
  84                 ;;
  85 esac
  86 ])
  87 AMU_CFLAGS="$AMU_CFLAGS $ac_cv_os_cflags"
  88 # use same flags for configuring, so it matches what we do at compile time
  89 CFLAGS="$CFLAGS $ac_cv_os_cflags"
  90 export CFLAGS
  91 ])
  92 dnl ======================================================================