From: Ian Lynagh <igloo@earth.li>
Date: Thu, 19 Mar 2009 17:15:01 +0000 (+0000)
Subject: Work around Solaris's grep not supporting -q
X-Git-Url: http://git.megacz.com/?p=ghc-hetmet.git;a=commitdiff_plain;h=a664d7385d97a2e4743d448aa3dddd911190f472

Work around Solaris's grep not supporting -q
---

diff --git a/configure.ac b/configure.ac
index 4067335..f7f6c09 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1299,8 +1299,9 @@ AC_OUTPUT
 #     $(eval ...) inside conditionals causes errors
 # with make 3.80, so warn the user if it looks like they're about to
 # try to use it.
+# We would use "grep -q" here, but Solaris's grep doesn't support it.
 checkMake380() {
-    if $1 --version 2>&1 | head -1 | grep -q 'GNU Make 3\.80'
+    if $1 --version 2>&1 | head -1 | grep 'GNU Make 3\.80' > /dev/null
     then
         echo
         echo "WARNING: It looks like \"$1\" is GNU make 3.80."