Allow using autoconf 2.66 and 2.68 (both work flawlessly with LyX) and avoid

the warnings issued by AC_LINK_IFELSE if the first argument is not conforming.
See http://lists.gnu.org/archive/html/autoconf/2010-09/msg00069.html


git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/branches/BRANCH_1_6_X@37045 a592a061-630c-0410-9148-cb99ea01b6c8

autogen.sh

@@ -38,11 +38,11 @@ test "$autoversion" != "" && {
 
 
 case $autoversion in
-    *' '2.59[cd]|*' '2.60[ab]|*' '2.6[0-57])
+    *' '2.59[cd]|*' '2.60[ab]|*' '2.6[0-8])
 	;;
     *)
 	echo "This autoconf version is not supported by LyX."
-	echo "LyX only supports autoconf 2.59c-2.65, 2.67."
+	echo "LyX only supports autoconf 2.59c-2.68."
 	exit 1
 	;;
 esac

config/libtool.m4

@@ -362,7 +362,7 @@ AC_DEFUN([_LT_REQUIRED_DARWIN_CHECKS],[
 # to the aix ld manual.
 AC_DEFUN([_LT_AC_SYS_LIBPATH_AIX],
 [AC_REQUIRE([LT_AC_PROG_SED])dnl
-AC_LINK_IFELSE(AC_LANG_PROGRAM,[
+AC_LINK_IFELSE([AC_LANG_PROGRAM([],[])],[
 lt_aix_libpath_sed='
     /Import File Strings/,/^$/ {
 	/^0/ {

status.16x

@@ -46,6 +46,7 @@ What's new
 
 * BUILD/INSTALLATION
 
+- Allow using autoconf 2.66 and 2.68.