1*4882a593SmuzhiyunFrom ffa886a580929f26fd5e5a40c9c5334955c48553 Mon Sep 17 00:00:00 2001 2*4882a593SmuzhiyunFrom: Explorer09 <explorer09@gmail.com> 3*4882a593SmuzhiyunDate: Mon, 4 Sep 2017 10:47:33 +0800 4*4882a593SmuzhiyunSubject: [PATCH] build: AC_USE_SYSTEM_EXTENSIONS in configure.ac. 5*4882a593Smuzhiyun 6*4882a593SmuzhiyunThis would, e.g. define _GNU_SOURCE in config.h, enabling the 7*4882a593Smuzhiyunreallocarray() prototype in glibc 2.26+ on Linux systems with that 8*4882a593Smuzhiyunversion of glibc. 9*4882a593Smuzhiyun 10*4882a593SmuzhiyunFixes #241. 11*4882a593Smuzhiyun 12*4882a593SmuzhiyunBackported from: 24fd0551333e7eded87b64dd36062da3df2f6380 13*4882a593SmuzhiyunSigned-off-by: Adrian Perez de Castro <aperez@igalia.com> 14*4882a593Smuzhiyun--- 15*4882a593Smuzhiyun configure.ac | 2 ++ 16*4882a593Smuzhiyun 1 file changed, 2 insertions(+) 17*4882a593Smuzhiyun 18*4882a593Smuzhiyundiff --git a/configure.ac b/configure.ac 19*4882a593Smuzhiyunindex 55e774b..c879fe1 100644 20*4882a593Smuzhiyun--- a/configure.ac 21*4882a593Smuzhiyun+++ b/configure.ac 22*4882a593Smuzhiyun@@ -25,8 +25,10 @@ 23*4882a593Smuzhiyun # autoconf requirements and initialization 24*4882a593Smuzhiyun 25*4882a593Smuzhiyun AC_INIT([the fast lexical analyser generator],[2.6.4],[flex-help@lists.sourceforge.net],[flex]) 26*4882a593Smuzhiyun+AC_PREREQ([2.60]) 27*4882a593Smuzhiyun AC_CONFIG_SRCDIR([src/scan.l]) 28*4882a593Smuzhiyun AC_CONFIG_AUX_DIR([build-aux]) 29*4882a593Smuzhiyun+AC_USE_SYSTEM_EXTENSIONS 30*4882a593Smuzhiyun LT_INIT 31*4882a593Smuzhiyun AM_INIT_AUTOMAKE([1.11.3 -Wno-portability foreign check-news std-options dist-lzip parallel-tests subdir-objects]) 32*4882a593Smuzhiyun AC_CONFIG_HEADER([src/config.h]) 33*4882a593Smuzhiyun-- 34*4882a593Smuzhiyun2.14.1 35*4882a593Smuzhiyun 36