X-Git-Url: https://www.tinc-vpn.org/git/browse?p=tinc;a=blobdiff_plain;f=configure.ac;h=1a032e68d87e002ddb8c0fa5622a53370a3847d8;hp=4c0f9260c18f533fbcc5b72aaa6647e5925f9217;hb=172763f4af4340ac2c2549e8fbb7490f5f995d47;hpb=323c17e232539f3f06e7cebc664ab48f60127e0e

diff --git a/configure.ac b/configure.ac
index 4c0f9260..1a032e68 100644
--- a/configure.ac
+++ b/configure.ac
@@ -140,6 +140,8 @@ AS_IF([test -d /sw/lib], [LIBS="$LIBS -L/sw/lib"])
 dnl Compiler hardening flags
 dnl No -fstack-protector-all because it doesn't work on all platforms or architectures.
 
+AX_CFLAGS_WARN_ALL(CFLAGS)
+
 AC_ARG_ENABLE([hardening], AS_HELP_STRING([--disable-hardening], [disable compiler and linker hardening flags]))
 AS_IF([test "x$enable_hardening" != "xno"],
   [AX_CHECK_COMPILE_FLAG([-DFORTIFY_SOURCE=2], [CPPFLAGS="$CPPFLAGS -DFORTIFY_SOURCE=2"])