From a04271b63afbed133e470813421d03cd23896e99 Mon Sep 17 00:00:00 2001
From: ellson <devnull@localhost>
Date: Sat, 4 Jun 2011 14:01:37 +0000
Subject: [PATCH] prefer GNU's grep over Oracle's broken one

---
 configure.ac | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/configure.ac b/configure.ac
index dd875ca4c..e1f66c658 100644
--- a/configure.ac
+++ b/configure.ac
@@ -254,12 +254,16 @@ AC_PROG_YACC
 AC_PROG_AWK
 AC_PROG_INSTALL
 AC_PROG_LN_S
-AC_CHECK_PROG(SED,sed,sed,false)
-AC_CHECK_PROG(GREP,grep,grep,false)
-AC_CHECK_PROG(SORT,sort,sort,false)
+
+# prefer GNU variants over, say, Oracle's or Apples
+AC_CHECK_PROGS(SED,gsed sed,false)
+AC_CHECK_PROGS(GREP,ggrep grep,false)
+AC_CHECK_PROGS(SORT,gsort sort,false)
+
 AC_CHECK_PROG(GROFF,groff,groff,false)
 AC_CHECK_PROG(PS2PDF,ps2pdf,ps2pdf,false)
 AC_CHECK_PROG(PS2PDF,pstopdf,pstopdf,false)
+
 PKG_PROG_PKG_CONFIG
 
 AC_ARG_WITH(tclsh,
-- 
2.40.0