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autoconf + newer gcc barfs

From: teg(at)redhat(dot)com (Trond Eivind =?iso-8859-1?q?Glomsr=F8d?=)
To: pgsql-hackers(at)postgresql(dot)org
Subject: autoconf + newer gcc barfs
Date: 2002-01-23 17:48:42
Message-ID: xuy665tt0ud.fsf@halden.devel.redhat.com (view raw or flat)
Thread:
Lists: pgsql-hackers
GCC CVS now outputs a multiline version string:

[teg(at)halden teg]$ gcc --version
gcc (GCC) 3.1 20020115 (Red Hat Linux Rawhide 3.1-0.18)
Copyright (C) 2002 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.  There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

[teg(at)halden teg]$ 

It also complains about multiline literals being deprecated, like

#define CC_VERSION "FOO

BAR
"

Autoconf thinks these warnings (which it will get for pretty much all
tests, as this is in confdefs.h) means the test failed.

One way to work around this is:

--- postgresql-7.2rc1/configure.in.multiline	Wed Jan 23 12:36:53 2002
+++ postgresql-7.2rc1/configure.in	Wed Jan 23 12:37:26 2002
@@ -297,7 +297,7 @@
 
 # Create compiler version string
 if test x"$GCC" = x"yes" ; then
-  cc_string="GCC `${CC} --version`"
+  cc_string="GCC `${CC} --version|head -n 1`"
 else
   cc_string=$CC
 fi





-- 
Trond Eivind Glomsrød
Red Hat, Inc.

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