- call cc-option to check if the compiler supports the flags we asked to use
No binary (build failed)
—
(log yok)
| @@ -6,8 +6,8 @@ BB_VER = $(VERSION).$(PATCHLEVEL).$(SUBLEVEL)$(EXTRAVERSION) | |
| # -std=gnu99 needed for [U]LLONG_MAX on some systems | |
| + | CPPFLAGS += $(call cc-option,-std=gnu99,) |
| CPPFLAGS += \ | |
| - | -std=gnu99 \ |
| -Iinclude -Ilibbb \ | |
| $(if $(KBUILD_SRC),-Iinclude2 -I$(srctree)/include) -I$(srctree)/libbb \ | |
| -include include/autoconf.h \ | |
| @@ -15,20 +15,19 @@ CPPFLAGS += \ | |
| $(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 -Wshadow -Wno-error -Wundef \ |
| - | -Wold-style-definition \ |
| - | -Wstrict-prototypes -Wmissing-prototypes -Wmissing-declarations \ |
| - | -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 |
| + | # flag checks are grouped together to speed the checks up a bit.. |
| + | CFLAGS += $(call cc-option,-Wall -Wshadow,) |
| + | CFLAGS += $(call cc-option,-Wundef -Wold-style-definition -Wstrict-prototypes -Wmissing-prototypes -Wmissing-declarations,) |
| + | CFLAGS += $(call cc-option,-Os -fno-builtin-strlen -finline-limit=0 -fomit-frame-pointer -ffunction-sections -fdata-sections,) |
| + | CFLAGS += $(call cc-option,-static-libgcc -funsigned-char,) |
| + | CFLAGS += $(call cc-option,-falign-functions=1 -falign-jumps=1 -falign-loops=1,) |
| + | |
| # FIXME: These warnings are at least partially to be concerned about and should | |
| # be fixed.. | |
| - | #CFLAGS+=-Wconversion |
| - | |
| + | #CFLAGS+=$(call cc-option,-Wconversion,) |
| ifeq ($(CONFIG_DEBUG),y) | |
| - | CFLAGS += -g |
| + | CFLAGS += $(call cc-option,-g) |
| endif | |
| ifeq ($(CONFIG_STATIC),y) | |
| @@ -2,4 +2,4 @@ | |
| # Build system | |
| # ========================================================================== | |
| - | CFLAGS += -march=i386 -mpreferred-stack-boundary=2 |
| + | CFLAGS += $(call cc-option,-march=i386 -mpreferred-stack-boundary=2,) |