Pass extra warning flags to the compiler

This is an attempt to match the flags passed by the Android NDK when
building ics-openconnect.

Signed-off-by: Dimitri Papadopoulos <3350651-DimitriPapadopoulos@users.noreply.gitlab.com>

diff --git a/configure.ac b/configure.ac
index 8ba1a45fb3a7e22079ea5ebe8bcd3c59dfb07ea0..6beea28f1f65145a8879fc265cab5bc525f84ec0 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -294,7 +294,9 @@ AS_COMPILER_FLAGS(WFLAGS,
          -Wmissing-declarations
          -Wmissing-include-dirs
          -Wnested-externs
+         -Wparentheses
          -Wpointer-arith
+         -Wunused-function
          -Wwrite-strings")
 AC_SUBST(WFLAGS, [$WFLAGS])