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| author | Alan Coopersmith <alan.coopersmith@oracle.com> | 2022-07-17 13:00:37 -0700 |
|---|---|---|
| committer | Alan Coopersmith <alan.coopersmith@oracle.com> | 2022-07-17 13:48:45 -0700 |
| commit | be77631bbc5fee12c9028f9ffd577dc1066231b7 (patch) | |
| tree | e558e31b39d60d521eea612d613a020792c40657 | |
| parent | 1aeb6a2d1673c1ae23763f55f09fb18d8e188fe0 (diff) | |
configure: Use AC_USE_SYSTEM_EXTENSIONS to set GNU_SOURCE & other defines
Ensures reallocarray is visible in system headers if available.
(See libxext#4.)
Signed-off-by: Alan Coopersmith <alan.coopersmith@oracle.com>
| -rw-r--r-- | configure.ac | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac index 7735f51..75ebf56 100644 --- a/configure.ac +++ b/configure.ac @@ -26,6 +26,11 @@ AC_INIT([libfontenc], [1.1.4], AC_CONFIG_SRCDIR([Makefile.am]) AC_CONFIG_HEADERS([config.h]) +# Set common system defines for POSIX extensions, such as _GNU_SOURCE +# Must be called before any macros that run the compiler (like AC_PROG_LIBTOOL) +# to avoid autoconf errors. +AC_USE_SYSTEM_EXTENSIONS + # Initialize Automake AM_INIT_AUTOMAKE([foreign dist-xz]) |