Description: Do pass hardening {C,CPP,LD}FLAGS
Author: Tzafrir Cohen <tzafrir@debian.org>

Make sure that the *FLAGS variables set by dpkg-buildflags make it to kamailio:
* add CPPFLAGS to CFLAGS
* Don't reset CFLAGS and LDFLAGS

--- a/Makefile.defs
+++ b/Makefile.defs
@@ -855,8 +855,6 @@ ifeq ($(use_fast_lock), yes)
 	found_lock_method=yes
 endif
 
-CFLAGS=
-LDFLAGS=
 C_INCLUDES=
 # setting CFLAGS
 ifeq ($(mode), release)
--- a/Makefile
+++ b/Makefile
@@ -563,6 +563,7 @@ config.mak: Makefile.defs
 	@echo "# this file is autogenerated by make cfg" >$@
 	@$(call mapf2,cfg_save_var,saved_fixed_vars,$(@))
 	@$(call mapf2,cfg_save_var2,saved_chg_vars,$(@))
+	@echo "CFLAGS += $(CPPFLAGS)" >>$@
 	@echo "override makefile_defs:=1" >>$@
 	@echo "C_DEFS:=\$$(filter-out \$$(DEFS_RM) \$$(extra_defs),\$$(C_DEFS))" \
 					"\$$(extra_defs)"  >>$@