1 dnl This Source Code Form is subject to the terms of the Mozilla Public
2 dnl License, v. 2.0. If a copy of the MPL was not distributed with this
3 dnl file, You can obtain one at http://mozilla.org/MPL/2.0/.
5 dnl MOZ_CHECK_HEADER(HEADER-FILE, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND [, INCLUDES]]])
6 AC_DEFUN([MOZ_CHECK_HEADER],
7 [ dnl Do the transliteration at runtime so arg 1 can be a shell variable.
8 ac_safe=`echo "$1" | sed 'y%./+-%__p_%'`
9 AC_MSG_CHECKING([for $1])
10 AC_CACHE_VAL(ac_cv_header_$ac_safe,
13 eval "ac_cv_header_$ac_safe=yes",
14 eval "ac_cv_header_$ac_safe=no") ])
15 if eval "test \"`echo '$ac_cv_header_'$ac_safe`\" = yes"; then
17 ifelse([$2], , :, [$2])
20 ifelse([$3], , , [$3])
24 dnl MOZ_CHECK_HEADERS(HEADER-FILE... [, ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND [, INCLUDES]]])
25 AC_DEFUN([MOZ_CHECK_HEADERS],
28 MOZ_CHECK_HEADER($ac_hdr,
29 [ ac_tr_hdr=HAVE_`echo $ac_hdr | sed 'y%abcdefghijklmnopqrstuvwxyz./-%ABCDEFGHIJKLMNOPQRSTUVWXYZ___%'`
30 AC_DEFINE_UNQUOTED($ac_tr_hdr) $2], $3, [$4])