complibs/mpc: fix MPC 0.8.1 build with MPFR 3.0.0
This is the change introduced by revision 734 of MPC repository.
Author: Paul Zimmermann <Paul.Zimmermann@loria.fr>
Revision log: [acos.c] fixed problem with GMP_RNDA (should be MPFR_RNDA, and code was wrong)
Signed-off-by: Arnaud Lacombe <lacombar@gmail.com>
1 Original patch from: gentoo/src/patchsets/glibc/2.9/0053_all_glibc-2.9-regex-BZ697.patch
3 -= BEGIN original header =-
4 http://sourceware.org/ml/libc-alpha/2009-01/msg00006.html
6 From 37bdc055ceeb6b1144c07448a7210d9ab3fbb2f5 Mon Sep 17 00:00:00 2001
7 From: Ulrich Drepper <drepper@redhat.com>
8 Date: Thu, 8 Jan 2009 00:47:05 +0000
9 Subject: [PATCH] (prune_impossible_nodes): Handle sifted_states[0] being NULL also if
10 there are no backreferences.
12 -= END original header =-
14 diff -durN glibc-2_9.orig/posix/regexec.c glibc-2_9/posix/regexec.c
15 --- glibc-2_9.orig/posix/regexec.c 2007-10-12 19:47:13.000000000 +0200
16 +++ glibc-2_9/posix/regexec.c 2009-02-02 22:00:43.000000000 +0100
17 @@ -1004,6 +1004,11 @@
18 re_node_set_free (&sctx.limits);
19 if (BE (ret != REG_NOERROR, 0))
21 + if (sifted_states[0] == NULL)
27 re_free (mctx->state_log);
28 mctx->state_log = sifted_states;