From a48be954ceb250b98fb6ee46d82653532d4e4f2f Mon Sep 17 00:00:00 2001 From: Andreas Oberritter Date: Mon, 15 Apr 2013 22:46:06 +0200 Subject: [PATCH] ax_prog_flex.m4: change grep syntax to accept e.g. flex.real This is required in case a wrapper or symlink is used. This patch has also been sent upstream, awaiting moderation. Reviewed-by: Matt Turner Signed-off-by: Andreas Oberritter --- m4/ax_prog_flex.m4 | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/m4/ax_prog_flex.m4 b/m4/ax_prog_flex.m4 index 117f8fe6755..82fbc30c32b 100644 --- a/m4/ax_prog_flex.m4 +++ b/m4/ax_prog_flex.m4 @@ -53,7 +53,7 @@ AC_DEFUN([AX_PROG_FLEX], [ AC_REQUIRE([AC_PROG_EGREP]) AC_CACHE_CHECK([if flex is the lexer generator],[ax_cv_prog_flex],[ - AS_IF([$LEX --version 2>/dev/null | $EGREP -q '^flex '], + AS_IF([$LEX --version 2>/dev/null | $EGREP -q '^\'], [ax_cv_prog_flex=yes], [ax_cv_prog_flex=no]) ]) AS_IF([test "$ax_cv_prog_flex" = "yes"],