Added maintainer mode

Makefile.vars

@@ -53,7 +53,14 @@
 # C Compiler
  CC := $(TARGET)gcc
 # - Check flags (enable warnings)
- CWARN := -Wall -Wextra
+ CWARN := -Wall -Wextra -Wno-unused-macros -Wno-vla
+# - Maintainer flags
+ifdef MORE_WARNINGS
+ CWERROR := shadow write-strings redundant-decls format format-nonliteral \
+	format-security implicit-function-declaration \
+	date-time missing-prototypes return-type pointer-arith
+ CWARN += $(CWERROR:%=-W%) -Wstack-protector -Wno-unused-parameter
+endif
 # - More flags (profiling, ...)
 #CMOREFLAGS :=
 # - All C Compiler flags

configure

@@ -15,6 +15,7 @@ target=""
 
 # Make options
 make_full_log=
+more_warnings=
 
 # Build options
 default_zoom=8
@@ -43,6 +44,7 @@ General options:
   --help                    display this help and exit
   --version                 display version information and quit
   --make-full-log           display full commands while making
+  --maintainer              enable maintainer mode
 
 Build options:
   --target=TARGET           the build target [$target]
@@ -98,6 +100,7 @@ esac; done
 for arg ; do case "$arg" in
 --make-full-log) make_full_log=yes ;;
 --target=*) target="${arg#*=}" ;;
+--maintainer) more_warnings=yes ;;
 --default-zoom=*)
 	zoom="${arg#*=}"
 	if ! [ $zoom -eq $zoom 2>/dev/null ]; then
@@ -143,6 +146,7 @@ cat <<EOF
 # Configuration version and messages configuration
  CONFIG_VERSION := $version
  MAKE_FULL_LOG := $make_full_log
+ MORE_WARNINGS := $more_warnings
 
 # Build options
  TARGET := $target