wafsamba: make it possible to specify ADDITIONAL_{CFLAGS,LDFLAGS} as env var to ...

CFLAGS and LDFLAGS are also used during the configure checks and might impact
their results.

Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>

diff --git a/buildtools/wafsamba/samba_autoconf.py b/buildtools/wafsamba/samba_autoconf.py
index 043a9f474a90ef4352a739b1a970421fde1c9f71..8d84a5e406995e264562fb90da4c02e72e27918d 100644 (file)
--- a/buildtools/wafsamba/samba_autoconf.py
+++ b/buildtools/wafsamba/samba_autoconf.py
@@ -703,6 +703,19 @@ int main(void) {
     if Options.options.pedantic:
         conf.ADD_CFLAGS('-W', testflags=True)
 
+
+    # Let people pass an additional ADDITIONAL_{CFLAGS,LDFLAGS}
+    # environment variables which are only used the for final build.
+    #
+    # The CFLAGS and LDFLAGS environment variables are also
+    # used for the configure checks which might impact their results.
+    conf.add_os_flags('ADDITIONAL_CFLAGS')
+    if conf.env.ADDITIONAL_CFLAGS and conf.CHECK_CFLAGS(conf.env['ADDITIONAL_CFLAGS']):
+        conf.env['EXTRA_CFLAGS'].extend(conf.env['ADDITIONAL_CFLAGS'])
+    conf.add_os_flags('ADDITIONAL_LDFLAGS')
+    if conf.env.ADDITIONAL_LDFLAGS and conf.CHECK_LDFLAGS(conf.env['ADDITIONAL_LDFLAGS']):
+        conf.env['EXTRA_LDFLAGS'].extend(conf.env['ADDITIONAL_LDFLAGS'])
+
     if path is None:
         conf.write_config_header('config.h', top=True)
     else: