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200-build-AC_USE_SYSTEM_EXTENSIONS-in-configure.ac.patch 902 B

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  1. From 24fd0551333e7eded87b64dd36062da3df2f6380 Mon Sep 17 00:00:00 2001
  2. From: Explorer09 <explorer09@gmail.com>
  3. Date: Mon, 4 Sep 2017 10:47:33 +0800
  4. Subject: [PATCH] build: AC_USE_SYSTEM_EXTENSIONS in configure.ac.
  5. This would, e.g. define _GNU_SOURCE in config.h, enabling the
  6. reallocarray() prototype in glibc 2.26+ on Linux systems with that
  7. version of glibc.
  8. Fixes #241.
  9. ---
  10. configure.ac | 2 ++
  11. 1 file changed, 2 insertions(+)
  12. --- a/configure.ac
  13. +++ b/configure.ac
  14. @@ -25,8 +25,10 @@
  15. # autoconf requirements and initialization
  16. AC_INIT([the fast lexical analyser generator],[2.6.4],[flex-help@lists.sourceforge.net],[flex])
  17. +AC_PREREQ([2.60])
  18. AC_CONFIG_SRCDIR([src/scan.l])
  19. AC_CONFIG_AUX_DIR([build-aux])
  20. +AC_USE_SYSTEM_EXTENSIONS
  21. LT_INIT
  22. AM_INIT_AUTOMAKE([1.11.3 -Wno-portability foreign check-news std-options dist-lzip parallel-tests subdir-objects])
  23. AC_CONFIG_HEADER([src/config.h])