os_cflags.m4 revision 1.1.1.1.4.2
1dnl ###################################################################### 2dnl Specify additional compile options based on the OS and the compiler 3AC_DEFUN([AMU_OS_CFLAGS], 4[ 5AC_CACHE_CHECK(additional compiler flags, 6ac_cv_os_cflags, 7[ 8case "${host_os}" in 9 irix6* ) 10 case "${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 "${CC}" in 74 cc ) 75 ac_cv_os_cflags="-Ae" 76 ;; 77 esac 78 ;; 79 darwin* | macosx* | rhapsody* ) 80 ac_cv_os_cflags="-D_P1003_1B_VISIBLE" 81 ;; 82 * ) 83 ac_cv_os_cflags="" 84 ;; 85esac 86]) 87AMU_CFLAGS="$AMU_CFLAGS $ac_cv_os_cflags" 88# use same flags for configuring, so it matches what we do at compile time 89CFLAGS="$CFLAGS $ac_cv_os_cflags" 90export CFLAGS 91]) 92dnl ====================================================================== 93