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