build: Add -I. as the first include path

If building on a system with an installed jim.h, we want
to be sure to pick up the local jim headers in preference.

Signed-off-by: Steve Bennett <steveb@workware.net.au>

1 files changed, 3 insertions, 3 deletions

diff --git a/auto.def b/auto.def
index 7e35f96..d9058bf 100644
--- a/auto.def
+++ b/auto.def
@@ -208,9 +208,9 @@ cc-check-types "long long"
 cc-check-sizeof int
 
 # Default optimisation
-define-append AS_CPPFLAGS -O2
-
-define-append AS_CPPFLAGS -D_GNU_SOURCE
+define-append AS_CPPFLAGS -O2 -Wall -D_GNU_SOURCE
+define-append AS_CFLAGS -I.
+define-append AS_CXXFLAGS -I.
 
 # check, but don't add to -cflags
 cc-with {} {