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| author | Matt Johnston <matt@ucc.asn.au> | 2021-03-04 21:03:02 +0800 |
|---|---|---|
| committer | Matt Johnston <matt@ucc.asn.au> | 2021-03-04 21:03:02 +0800 |
| commit | 03481aba068e534063f58ffaa4e8c2c060fa6e14 (patch) | |
| tree | ece330526fa74a31bc2f2c7c9387939c65753cc1 /configure.ac | |
| parent | 8b0fdf8010969204a443e877868fca772d18f31c (diff) | |
Define _GNU_SOURCE properly, other header fixes
This lets -std=c89 build for gcc 8.4.0
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac index 8f552a8..83bb239 100644 --- a/configure.ac +++ b/configure.ac @@ -47,6 +47,9 @@ DB_TRYADDCFLAGS([-Wno-pointer-sign]) AC_MSG_NOTICE([Checking if compiler '$CC' supports -fno-strict-overflow]) DB_TRYADDCFLAGS([-fno-strict-overflow]) +# needed for various extensions. define early before autoconf tests +AC_DEFINE([_GNU_SOURCE], [], [Use GNU extensions if glibc]) + STATIC=0 AC_ARG_ENABLE(static, [ --enable-static Build static binaries], |