Add -Wall to CFLAGS.

[tinc] / configure.ac

diff --git a/configure.ac b/configure.ac
index 4c0f926..1a032e6 100644 (file)
--- 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"])