os_cflags.m4 revision 259065
1dnl ###################################################################### 2dnl Specify additional compile options based on the OS and the compiler 3dnl From Erez Zadok <ezk@cs.sunysb.edu>, http://www.am-utils.org 4AC_DEFUN([AMU_OS_CFLAGS], 5[ 6AC_CACHE_CHECK(additional compiler flags, 7ac_cv_os_cflags, 8[ 9case "${host_os}" in 10 irix6* ) 11 case "${CC}" in 12 cc ) 13 # do not use 64-bit compiler 14 ac_cv_os_cflags="-n32 -mips3 -Wl,-woff,84" 15 ;; 16 esac 17 ;; 18# HMS: am-utils needed this but we don't (apparently) 19# osf[[1-3]]* ) 20# # get the right version of struct sockaddr 21# case "${CC}" in 22# cc ) 23# ac_cv_os_cflags="-std -D_SOCKADDR_LEN -D_NO_PROTO" 24# ;; 25# * ) 26# ac_cv_os_cflags="-D_SOCKADDR_LEN -D_NO_PROTO" 27# ;; 28# esac 29# ;; 30# osf* ) 31# # get the right version of struct sockaddr 32# case "${CC}" in 33# cc ) 34# ac_cv_os_cflags="-std -D_SOCKADDR_LEN" 35# ;; 36# * ) 37# ac_cv_os_cflags="-D_SOCKADDR_LEN" 38# ;; 39# esac 40# ;; 41 aix[[1-3]]* ) 42 ac_cv_os_cflags="" ;; 43 aix4.[[0-2]]* ) 44 # turn on additional headers 45 ac_cv_os_cflags="-D_XOPEN_EXTENDED_SOURCE" 46 ;; 47 aix* ) 48 # avoid circular dependencies in yp headers 49 ac_cv_os_cflags="-DHAVE_BAD_HEADERS -D_XOPEN_EXTENDED_SOURCE" 50 ;; 51 OFF-sunos4* ) 52 # make sure passing whole structures is handled in gcc 53 case "${CC}" in 54 gcc ) 55 ac_cv_os_cflags="-fpcc-struct-return" 56 ;; 57 esac 58 ;; 59 sunos[[34]]* | solaris1* | solaris2.[[0-5]]* | sunos5.[[0-5]]* ) 60 ac_cv_os_cflags="" ;; 61 solaris* | sunos* ) 62 # turn on 64-bit file offset interface 63 case "${CC}" in 64 * ) 65 ac_cv_os_cflags="-D_LARGEFILE64_SOURCE" 66 ;; 67 esac 68 ;; 69 hpux* ) 70 # use Ansi compiler on HPUX 71 case "${CC}" in 72 cc ) 73 ac_cv_os_cflags="-Ae" 74 ;; 75 esac 76 ;; 77 darwin* | rhapsody* ) 78 ac_cv_os_cflags="-D_P1003_1B_VISIBLE" 79 ;; 80 * ) 81 ac_cv_os_cflags="" 82 ;; 83esac 84]) 85CFLAGS="$CFLAGS $ac_cv_os_cflags" 86]) 87dnl ====================================================================== 88