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extensions: port better to MINUX 3, HP-UX, autoheader 2.62 Some of these changes are merged in from git Autoconf. * m4/extensions.m4 (AC_USE_SYSTEM_EXTENSIONS): When deciding whether to define _XOPEN_SOURCE, inspect the preprocessor macro __hpux instead of the more-heavyweight operation of requiring AC_CANONICAL_HOST. Define _NETBSD_HOST on MINUX, for MINUX 3. Use USE_SYSTEM_EXTENSIONS, not __EXTENSIONS__, as the key for __EXTENSIONS__.
author Paul Eggert <eggert@cs.ucla.edu>
date Wed, 06 Feb 2013 22:41:08 -0800
parents 2c4826afb7aa
children d77c98cd7cfd
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 2013-02-06  Paul Eggert  <eggert@cs.ucla.edu>
 
+	extensions: port better to MINUX 3, HP-UX, autoheader 2.62
+	Some of these changes are merged in from git Autoconf.
+	* m4/extensions.m4 (AC_USE_SYSTEM_EXTENSIONS):
+	When deciding whether to define _XOPEN_SOURCE, inspect the
+	preprocessor macro __hpux instead of the more-heavyweight
+	operation of requiring AC_CANONICAL_HOST.  Define _NETBSD_HOST on
+	MINUX, for MINUX 3.  Use USE_SYSTEM_EXTENSIONS, not __EXTENSIONS__,
+	as the key for __EXTENSIONS__.
+
 	unistd: avoid namespace pollution on non-glibc systems
 	* lib/unistd.in.h: #define __need_getopt before including <getopt.h>.
 	This avoids namespace pollution on non-glibc systems, by causing