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Diffstat (limited to '')
| -rw-r--r-- | build/autoconf/mozheader.m4 | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/build/autoconf/mozheader.m4 b/build/autoconf/mozheader.m4 new file mode 100644 index 0000000000..e99e35a403 --- /dev/null +++ b/build/autoconf/mozheader.m4 @@ -0,0 +1,32 @@ +dnl This Source Code Form is subject to the terms of the Mozilla Public +dnl License, v. 2.0. If a copy of the MPL was not distributed with this +dnl file, You can obtain one at http://mozilla.org/MPL/2.0/. + +dnl MOZ_CHECK_HEADER(HEADER-FILE, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND [, INCLUDES]]]) +AC_DEFUN([MOZ_CHECK_HEADER], +[ dnl Do the transliteration at runtime so arg 1 can be a shell variable. + ac_safe=`echo "$1" | sed 'y%./+-%__p_%'` + AC_MSG_CHECKING([for $1]) + AC_CACHE_VAL(ac_cv_header_$ac_safe, + [ AC_TRY_COMPILE([$4 +#include <$1>], , + eval "ac_cv_header_$ac_safe=yes", + eval "ac_cv_header_$ac_safe=no") ]) + if eval "test \"`echo '$ac_cv_header_'$ac_safe`\" = yes"; then + AC_MSG_RESULT(yes) + ifelse([$2], , :, [$2]) + else + AC_MSG_RESULT(no) + ifelse([$3], , , [$3]) + fi +]) + +dnl MOZ_CHECK_HEADERS(HEADER-FILE... [, ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND [, INCLUDES]]]) +AC_DEFUN([MOZ_CHECK_HEADERS], +[ for ac_hdr in $1 + do + MOZ_CHECK_HEADER($ac_hdr, + [ ac_tr_hdr=HAVE_`echo $ac_hdr | sed 'y%abcdefghijklmnopqrstuvwxyz./-%ABCDEFGHIJKLMNOPQRSTUVWXYZ___%'` + AC_DEFINE_UNQUOTED($ac_tr_hdr) $2], $3, [$4]) + done +]) |