(AC_PARSEARGS): Unknown option is a fatal error.

diff --git a/acgeneral.m4 b/acgeneral.m4
index 8896fd13f0e90c1b3b610f8801b45a1d2e978b0e..41dff2b130afc11ed9a8b24795f4691af33cc3f1 100644 (file)
--- a/acgeneral.m4
+++ b/acgeneral.m4
@@ -88,7 +88,7 @@ ac_configure_args="[$]*"
 # Only options that might do something get documented.
 changequote(,)dnl
 ac_usage="Usage: configure [options] [host]
-Options: [defaults in brackets]
+Options: [defaults in brackets after descriptions]
 --build=BUILD          configure for building on BUILD [BUILD=HOST]
 --disable-FEATURE      do not include FEATURE (same as --enable-FEATURE=no)
 --enable-FEATURE[=ARG] include FEATURE [ARG=yes]
@@ -315,7 +315,7 @@ changequote([,])dnl
   | --x-librar=* | --x-libra=* | --x-libr=* | --x-lib=* | --x-li=* | --x-l=*)
     x_libraries="$ac_optarg" ;;
 
-  -*) AC_WARN([$ac_option: invalid option; use --help to show usage])
+  -*) AC_ERROR([$ac_option: invalid option; use --help to show usage])
     ;;
 
   *) 

diff --git a/lib/autoconf/general.m4 b/lib/autoconf/general.m4
index 8896fd13f0e90c1b3b610f8801b45a1d2e978b0e..41dff2b130afc11ed9a8b24795f4691af33cc3f1 100644 (file)
--- a/lib/autoconf/general.m4
+++ b/lib/autoconf/general.m4
@@ -88,7 +88,7 @@ ac_configure_args="[$]*"
 # Only options that might do something get documented.
 changequote(,)dnl
 ac_usage="Usage: configure [options] [host]
-Options: [defaults in brackets]
+Options: [defaults in brackets after descriptions]
 --build=BUILD          configure for building on BUILD [BUILD=HOST]
 --disable-FEATURE      do not include FEATURE (same as --enable-FEATURE=no)
 --enable-FEATURE[=ARG] include FEATURE [ARG=yes]
@@ -315,7 +315,7 @@ changequote([,])dnl
   | --x-librar=* | --x-libra=* | --x-libr=* | --x-lib=* | --x-li=* | --x-l=*)
     x_libraries="$ac_optarg" ;;
 
-  -*) AC_WARN([$ac_option: invalid option; use --help to show usage])
+  -*) AC_ERROR([$ac_option: invalid option; use --help to show usage])
     ;;
 
   *)