| # ========================================================================== |
| # Build system |
| # ========================================================================== |
| |
| BB_VER = $(VERSION).$(PATCHLEVEL).$(SUBLEVEL)$(EXTRAVERSION) |
| |
| # -std=gnu99 needed for [U]LLONG_MAX on some systems |
| |
| CPPFLAGS += \ |
| -std=gnu99 \ |
| -Iinclude -Ilibbb \ |
| $(if $(KBUILD_SRC),-Iinclude2 -I$(srctree)/include) -I$(srctree)/libbb \ |
| -include include/autoconf.h \ |
| -D_GNU_SOURCE -DNDEBUG \ |
| $(if $(CONFIG_LFS),-D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64) \ |
| -D"BB_VER=KBUILD_STR($(BB_VER))" -DBB_BT=AUTOCONF_TIMESTAMP |
| |
| CFLAGS += \ |
| -Wall -Wstrict-prototypes -Wshadow -Werror -Wundef \ |
| -funsigned-char -fno-builtin-strlen -finline-limit=0 -static-libgcc \ |
| -Os -falign-functions=1 -falign-jumps=1 -falign-loops=1 \ |
| -fomit-frame-pointer -ffunction-sections -fdata-sections |
| |
| ifeq ($(CONFIG_DEBUG),y) |
| CFLAGS += -g |
| LDFLAGS += -g |
| endif |
| |
