src/config ChangeLog override.m4

[rwild@sourceware.org]

CVSROOT:	/cvs/src
Module name:	src
Changes by:	rwild@sourceware.org	2011-03-05 07:33:13

Modified files:
	config         : ChangeLog override.m4 

Log message:
	Guard against M4 versions with a buggy strstr.
	
	config/:
	* override.m4: Error out if a buggy M4 was detected, to
	avoid spurious diffs in generated files.

Patches:
http://sourceware.org/cgi-bin/cvsweb.cgi/src/config/ChangeLog.diff?cvsroot=src&r1=1.164&r2=1.165
http://sourceware.org/cgi-bin/cvsweb.cgi/src/config/override.m4.diff?cvsroot=src&r1=1.8&r2=1.9