1dnl 2dnl CHECK-LIBHEADER(FEATURE-NAME, LIB-NAME, LIB-FUNCTION, HEADER-NAME, 3dnl ACTION-IF-FOUND, ACTION-IF-NOT-FOUND, 4dnl EXTRA-LDFLAGS, EXTRA-CPPFLAGS) 5dnl 6dnl FEATURE-NAME - feature name; library and header files are treated 7dnl as feature, which we look for 8dnl LIB-NAME - library name as in AC_CHECK_LIB macro 9dnl LIB-FUNCTION - library symbol as in AC_CHECK_LIB macro 10dnl HEADER-NAME - header file name as in AC_CHECK_HEADER 11dnl ACTION-IF-FOUND - when feature is found then execute given action 12dnl ACTION-IF-NOT-FOUND - when feature is not found then execute given action 13dnl EXTRA-LDFLAGS - extra linker flags (-L or -l) 14dnl EXTRA-CPPFLAGS - extra C preprocessor flags, i.e. -I/usr/X11R6/include 15dnl 16dnl Based on GST_CHECK_LIBHEADER from gstreamer plugins 0.3.1. 17dnl 18AC_DEFUN([CHECK_LIBHEADER], 19[ 20 AC_CHECK_LIB([$2], [$3], HAVE_[$1]=yes, HAVE_[$1]=no, [$7]) 21 check_libheader_feature_name=translit([$1], A-Z, a-z) 22 23 if test "x$HAVE_[$1]" = "xyes"; then 24 check_libheader_save_CPPFLAGS=$CPPFLAGS 25 CPPFLAGS="[$8] $CPPFLAGS" 26 AC_CHECK_HEADER([$4], :, HAVE_[$1]=no) 27 CPPFLAGS=$check_libheader_save_CPPFLAGS 28 fi 29 30 if test "x$HAVE_[$1]" = "xyes"; then 31 ifelse([$5], , :, [$5]) 32 AC_MSG_NOTICE($check_libheader_feature_name was found) 33 else 34 ifelse([$6], , :, [$6]) 35 AC_MSG_WARN($check_libheader_feature_name not found) 36 fi 37 AC_SUBST(HAVE_[$1]) 38] 39) 40