- add more strict prototype checking to catch wrong and broken code (like nested...
[platform/upstream/busybox.git] / Makefile.flags
1 # ==========================================================================
2 # Build system
3 # ==========================================================================
4
5 BB_VER = $(VERSION).$(PATCHLEVEL).$(SUBLEVEL)$(EXTRAVERSION)
6
7 # -std=gnu99 needed for [U]LLONG_MAX on some systems
8
9 CPPFLAGS += \
10         -std=gnu99 \
11         -Iinclude -Ilibbb \
12         $(if $(KBUILD_SRC),-Iinclude2 -I$(srctree)/include) -I$(srctree)/libbb \
13         -include include/autoconf.h \
14         -D_GNU_SOURCE -DNDEBUG \
15         $(if $(CONFIG_LFS),-D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64) \
16         -D"BB_VER=KBUILD_STR($(BB_VER))" -DBB_BT=AUTOCONF_TIMESTAMP
17
18 CFLAGS += \
19         -Wall -Wshadow -Wno-error -Wundef \
20         -Wold-style-definition \
21         -Wstrict-prototypes -Wmissing-prototypes -Wmissing-declarations \
22         -funsigned-char -fno-builtin-strlen -finline-limit=0 -static-libgcc \
23         -Os -falign-functions=1 -falign-jumps=1 -falign-loops=1 \
24         -fomit-frame-pointer -ffunction-sections -fdata-sections
25 # FIXME: These warnings are at least partially to be concerned about and should
26 # be fixed..
27 #CFLAGS+=-Wconversion
28
29
30 ifeq ($(CONFIG_DEBUG),y)
31 CFLAGS += -g
32 endif
33
34 ifeq ($(CONFIG_STATIC),y)
35 LDFLAGS += -static
36 endif
37 #LDFLAGS += -nostdlib