Can be processed again with autoconf 2.59 and before, which does not have AC_PROG_SED.
git-svn-id: svn://svn.valgrind.org/valgrind/trunk@11137 a5019735-40e9-0310-863c-91ae7b9d1cf9
diff --git a/configure.in b/configure.in
index 24ffc25..d85b3d4 100644
--- a/configure.in
+++ b/configure.in
@@ -39,12 +39,18 @@
# AC_SUBST([OBJCFLAGS])
# ])
AC_PROG_RANLIB
+# provide a very basic definition for AC_PROG_SED if it's not provided by
+# autoconf (as e.g. in autoconf 2.59).
+m4_ifndef([AC_PROG_SED],
+ [AC_DEFUN([AC_PROG_SED],
+ [AC_ARG_VAR([SED])
+ AC_CHECK_PROGS([SED],[gsed sed])])])
AC_PROG_SED
# If no AR variable was specified, look up the name of the archiver. Otherwise
# do not touch the AR variable.
if test "x$AR" = "x"; then
- AC_PATH_PROGS([AR], [`echo $LD | sed 's/ld$/ar/'` "ar"], [ar])
+ AC_PATH_PROGS([AR], [`echo $LD | $SED 's/ld$/ar/'` "ar"], [ar])
fi
AC_ARG_VAR([AR],[Archiver command])
@@ -93,7 +99,7 @@
# We don't want gcc < 3.0
AC_MSG_CHECKING([for a supported version of gcc])
-[gcc_version=`${CC} --version | head -n 1 | sed 's/^[^0-9]*\([0-9.]*\).*$/\1/'`]
+[gcc_version=`${CC} --version | head -n 1 | $SED 's/^[^0-9]*\([0-9.]*\).*$/\1/'`]
case "${gcc_version}" in
2.*)