1 1.1.1.2 elric dnl Id 2 1.1 elric dnl 3 1.1 elric dnl 4 1.1 elric dnl Check for MIPS/IRIX ABI flags. Sets $abi and $abilibdirext to some 5 1.1 elric dnl value. 6 1.1 elric 7 1.1 elric AC_DEFUN([AC_MIPS_ABI], [ 8 1.1 elric AC_ARG_WITH(mips_abi, 9 1.1 elric AS_HELP_STRING([--with-mips-abi=abi],[ABI to use for IRIX (32, n32, or 64)])) 10 1.1 elric 11 1.1 elric case "$host_os" in 12 1.1 elric irix*) 13 1.1 elric with_mips_abi="${with_mips_abi:-yes}" 14 1.1 elric if test -n "$GCC"; then 15 1.1 elric 16 1.1 elric # GCC < 2.8 only supports the O32 ABI. GCC >= 2.8 has a flag to select 17 1.1 elric # which ABI to use, but only supports (as of 2.8.1) the N32 and 64 ABIs. 18 1.1 elric # 19 1.1 elric # Default to N32, but if GCC doesn't grok -mabi=n32, we assume an old 20 1.1 elric # GCC and revert back to O32. The same goes if O32 is asked for - old 21 1.1 elric # GCCs doesn't like the -mabi option, and new GCCs can't output O32. 22 1.1 elric # 23 1.1 elric # Don't you just love *all* the different SGI ABIs? 24 1.1 elric 25 1.1 elric case "${with_mips_abi}" in 26 1.1 elric 32|o32) abi='-mabi=32'; abilibdirext='' ;; 27 1.1 elric n32|yes) abi='-mabi=n32'; abilibdirext='32' ;; 28 1.1 elric 64) abi='-mabi=64'; abilibdirext='64' ;; 29 1.1 elric no) abi=''; abilibdirext='';; 30 1.1 elric *) AC_MSG_ERROR("Invalid ABI specified") ;; 31 1.1 elric esac 32 1.1 elric if test -n "$abi" ; then 33 1.1 elric ac_foo=krb_cv_gcc_`echo $abi | tr =- __` 34 1.1 elric dnl 35 1.1 elric dnl can't use AC_CACHE_CHECK here, since it doesn't quote CACHE-ID to 36 1.1 elric dnl AC_MSG_RESULT 37 1.1 elric dnl 38 1.1 elric AC_MSG_CHECKING([if $CC supports the $abi option]) 39 1.1 elric AC_CACHE_VAL($ac_foo, [ 40 1.1 elric save_CFLAGS="$CFLAGS" 41 1.1 elric CFLAGS="$CFLAGS $abi" 42 1.1 elric AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]],[[int x;]])],[eval $ac_foo=yes], [eval $ac_foo=no])dnl 43 1.1 elric CFLAGS="$save_CFLAGS" 44 1.1 elric ]) 45 1.1 elric ac_res=`eval echo \\\$$ac_foo` 46 1.1 elric AC_MSG_RESULT($ac_res) 47 1.1 elric if test $ac_res = no; then 48 1.1 elric # Try to figure out why that failed... 49 1.1 elric case $abi in 50 1.1 elric -mabi=32) 51 1.1 elric save_CFLAGS="$CFLAGS" 52 1.1 elric CFLAGS="$CFLAGS -mabi=n32" 53 1.1 elric AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]],[[int x;]])],[ac_res=yes],[ac_res=no])dnl 54 1.1 elric CLAGS="$save_CFLAGS" 55 1.1 elric if test $ac_res = yes; then 56 1.1 elric # New GCC 57 1.1 elric AC_MSG_ERROR([$CC does not support the $with_mips_abi ABI]) 58 1.1 elric fi 59 1.1 elric # Old GCC 60 1.1 elric abi='' 61 1.1 elric abilibdirext='' 62 1.1 elric ;; 63 1.1 elric -mabi=n32|-mabi=64) 64 1.1 elric if test $with_mips_abi = yes; then 65 1.1 elric # Old GCC, default to O32 66 1.1 elric abi='' 67 1.1 elric abilibdirext='' 68 1.1 elric else 69 1.1 elric # Some broken GCC 70 1.1 elric AC_MSG_ERROR([$CC does not support the $with_mips_abi ABI]) 71 1.1 elric fi 72 1.1 elric ;; 73 1.1 elric esac 74 1.1 elric fi #if test $ac_res = no; then 75 1.1 elric fi #if test -n "$abi" ; then 76 1.1 elric else 77 1.1 elric case "${with_mips_abi}" in 78 1.1 elric 32|o32) abi='-32'; abilibdirext='' ;; 79 1.1 elric n32|yes) abi='-n32'; abilibdirext='32' ;; 80 1.1 elric 64) abi='-64'; abilibdirext='64' ;; 81 1.1 elric no) abi=''; abilibdirext='';; 82 1.1 elric *) AC_MSG_ERROR("Invalid ABI specified") ;; 83 1.1 elric esac 84 1.1 elric fi #if test -n "$GCC"; then 85 1.1 elric ;; 86 1.1 elric esac 87 1.1 elric ]) 88
Indexes created Sat Apr 25 00:22:52 UTC 2026