In the release/2.3 branch we support gnu89, basically to keep
pre-2015 MSVC happy. Old gcc (<5) defaulted to gnu89. But
gcc 5+ and clang default to gnu11/c11. This patch makes our
gnu89 support explicit, such these newer compilers will also
point out gnu89 violations to developers.
Signed-off-by: Steffan Karger <stef...@karger.me>
---
configure.ac | 1 +
1 file changed, 1 insertion(+)
diff --git a/configure.ac b/configure.ac
index 62b389e..e5c7ef1 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1069,6 +1069,7 @@ if test "${enable_pkcs11}" = "yes"; then
)
fi
+CFLAGS="${CFLAGS} -std=gnu89"
if test "${enable_pedantic}" = "yes"; then
enable_strict="yes"
CFLAGS="${CFLAGS} -pedantic"
--
2.7.4
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