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| author | Explorer09 <explorer09@gmail.com> | 2017-09-04 10:47:33 +0800 |
|---|---|---|
| committer | Will Estes <westes575@gmail.com> | 2017-09-04 11:22:30 -0400 |
| commit | 24fd0551333e7eded87b64dd36062da3df2f6380 (patch) | |
| tree | f02e0bf9e3899e7c089bdf4d0439cba352d5d735 | |
| parent | 1d62d3eb24d06030ae2641fe4670de3a8da9e67e (diff) | |
build: AC_USE_SYSTEM_EXTENSIONS in configure.ac.
This would, e.g. define _GNU_SOURCE in config.h, enabling the
reallocarray() prototype in glibc 2.26+ on Linux systems with that
version of glibc.
Fixes #241.
| -rw-r--r-- | configure.ac | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac index c6f12d6..3c977a4 100644 --- a/configure.ac +++ b/configure.ac @@ -25,8 +25,10 @@ # autoconf requirements and initialization AC_INIT([the fast lexical analyser generator],[2.6.4],[flex-help@lists.sourceforge.net],[flex]) +AC_PREREQ([2.60]) AC_CONFIG_SRCDIR([src/scan.l]) AC_CONFIG_AUX_DIR([build-aux]) +AC_USE_SYSTEM_EXTENSIONS LT_INIT AM_INIT_AUTOMAKE([1.15 -Wno-portability foreign std-options dist-lzip parallel-tests subdir-objects]) AC_CONFIG_HEADER([src/config.h]) |