[pygobject] Make some warnings fatal

[Martin Pitt <martinpitt src gnome org>]

commit 97b5184c6650964ae8a7616353f5ce8e3ca19af3
Author: Martin Pitt <martinpitt gnome org>
Date:   Fri Jul 27 22:59:21 2012 +0200

    Make some warnings fatal
    
    Add -Werror for some warnings which are real errors in the source which we
    really want to avoid. This includes -Wmissing-prototypes, but that currently
    breaks on building g-i's regress.c.

 configure.ac |    5 +++++
 1 files changed, 5 insertions(+), 0 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index f8edbe4..45408fb 100644
--- a/configure.ac
+++ b/configure.ac
@@ -222,6 +222,11 @@ AC_SUBST(INTROSPECTION_COMPILER)
 dnl add required cflags ...
 if test "x$GCC" = "xyes"; then
   JH_ADD_CFLAG([-Wall])
+  #JH_ADD_CFLAG([-Werror=missing-prototypes])
+  JH_ADD_CFLAG([-Werror=implicit-function-declaration])
+  JH_ADD_CFLAG([-Werror=pointer-arith])
+  JH_ADD_CFLAG([-Werror=format-security])
+  JH_ADD_CFLAG([-Werror=missing-include-dirs])
   JH_ADD_CFLAG([-fno-strict-aliasing])
 
   case $host_os in