[28452] in CVS-changelog-for-Kerberos-V5
krb5 commit: Define _GNU_SOURCE for glibc extensions
daemon@ATHENA.MIT.EDU (Greg Hudson)
Tue Jul 8 20:17:29 2014
Date: Tue, 8 Jul 2014 20:17:07 -0400
From: Greg Hudson <ghudson@mit.edu>
Message-Id: <201407090017.s690H76F003553@drugstore.mit.edu>
To: cvs-krb5@mit.edu
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https://github.com/krb5/krb5/commit/7ecf85644d8ef616781e6689a8dd504316cb6d7a
commit 7ecf85644d8ef616781e6689a8dd504316cb6d7a
Author: Greg Hudson <ghudson@mit.edu>
Date: Sat Jul 5 12:01:40 2014 -0400
Define _GNU_SOURCE for glibc extensions
glibc does not declare a number of common, useful extensions such as
asprintf unless _GNU_SOURCE is defined. Define it early in the
configure process so that it is available for autoconf tests.
Defining _GNU_SOURCE unfortunately causes glibc to use the non-POSIX
version of strerror_r, which we now handle using the k5-platform.h
wrapper.
ticket: 7961
src/aclocal.m4 | 3 +++
1 files changed, 3 insertions(+), 0 deletions(-)
diff --git a/src/aclocal.m4 b/src/aclocal.m4
index a0d1bf1..ff444ee 100644
--- a/src/aclocal.m4
+++ b/src/aclocal.m4
@@ -50,6 +50,9 @@ AC_DEFUN(CONFIG_RULES,[dnl
AC_REQUIRE([V5_SET_TOPDIR]) dnl
EXTRA_FILES=""
AC_SUBST(EXTRA_FILES)
+dnl Consider using AC_USE_SYSTEM_EXTENSIONS when we require autoconf
+dnl 2.59c or later, but be sure to test on Solaris first.
+AC_DEFINE([_GNU_SOURCE], 1, [Define to enable extensions in glibc])
WITH_CC dnl
AC_REQUIRE_CPP
if test -z "$LD" ; then LD=$CC; fi
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