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| author | Bernhard Reutner-Fischer <rep.dot.nop@gmail.com> | 2007-01-23 11:39:13 +0000 |
|---|---|---|
| committer | Bernhard Reutner-Fischer <rep.dot.nop@gmail.com> | 2007-01-23 11:39:13 +0000 |
| commit | 82f8788acc1705a735cfa752b3f37b0de32ba390 (patch) | |
| tree | cbccd3103dc783dfd56e9f4c562aec445d650ab6 /Makefile.flags | |
| parent | b5bb40f088e8618fa108753099f24f43b17fea21 (diff) | |
| download | busybox-w32-82f8788acc1705a735cfa752b3f37b0de32ba390.tar.gz busybox-w32-82f8788acc1705a735cfa752b3f37b0de32ba390.tar.bz2 busybox-w32-82f8788acc1705a735cfa752b3f37b0de32ba390.zip | |
- call cc-option to check if the compiler supports the flags we asked to use
Diffstat (limited to 'Makefile.flags')
| -rw-r--r-- | Makefile.flags | 21 |
1 files changed, 10 insertions, 11 deletions
diff --git a/Makefile.flags b/Makefile.flags index 669e30cfc..8f6d0c9bd 100644 --- a/Makefile.flags +++ b/Makefile.flags | |||
| @@ -6,8 +6,8 @@ BB_VER = $(VERSION).$(PATCHLEVEL).$(SUBLEVEL)$(EXTRAVERSION) | |||
| 6 | 6 | ||
| 7 | # -std=gnu99 needed for [U]LLONG_MAX on some systems | 7 | # -std=gnu99 needed for [U]LLONG_MAX on some systems |
| 8 | 8 | ||
| 9 | CPPFLAGS += $(call cc-option,-std=gnu99,) | ||
| 9 | CPPFLAGS += \ | 10 | CPPFLAGS += \ |
| 10 | -std=gnu99 \ | ||
| 11 | -Iinclude -Ilibbb \ | 11 | -Iinclude -Ilibbb \ |
| 12 | $(if $(KBUILD_SRC),-Iinclude2 -I$(srctree)/include) -I$(srctree)/libbb \ | 12 | $(if $(KBUILD_SRC),-Iinclude2 -I$(srctree)/include) -I$(srctree)/libbb \ |
| 13 | -include include/autoconf.h \ | 13 | -include include/autoconf.h \ |
| @@ -15,20 +15,19 @@ CPPFLAGS += \ | |||
| 15 | $(if $(CONFIG_LFS),-D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64) \ | 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 | 16 | -D"BB_VER=KBUILD_STR($(BB_VER))" -DBB_BT=AUTOCONF_TIMESTAMP |
| 17 | 17 | ||
| 18 | CFLAGS += \ | 18 | # flag checks are grouped together to speed the checks up a bit.. |
| 19 | -Wall -Wshadow -Wno-error -Wundef \ | 19 | CFLAGS += $(call cc-option,-Wall -Wshadow,) |
| 20 | -Wold-style-definition \ | 20 | CFLAGS += $(call cc-option,-Wundef -Wold-style-definition -Wstrict-prototypes -Wmissing-prototypes -Wmissing-declarations,) |
| 21 | -Wstrict-prototypes -Wmissing-prototypes -Wmissing-declarations \ | 21 | CFLAGS += $(call cc-option,-Os -fno-builtin-strlen -finline-limit=0 -fomit-frame-pointer -ffunction-sections -fdata-sections,) |
| 22 | -funsigned-char -fno-builtin-strlen -finline-limit=0 -static-libgcc \ | 22 | CFLAGS += $(call cc-option,-static-libgcc -funsigned-char,) |
| 23 | -Os -falign-functions=1 -falign-jumps=1 -falign-loops=1 \ | 23 | CFLAGS += $(call cc-option,-falign-functions=1 -falign-jumps=1 -falign-loops=1,) |
| 24 | -fomit-frame-pointer -ffunction-sections -fdata-sections | 24 | |
| 25 | # FIXME: These warnings are at least partially to be concerned about and should | 25 | # FIXME: These warnings are at least partially to be concerned about and should |
| 26 | # be fixed.. | 26 | # be fixed.. |
| 27 | #CFLAGS+=-Wconversion | 27 | #CFLAGS+=$(call cc-option,-Wconversion,) |
| 28 | |||
| 29 | 28 | ||
| 30 | ifeq ($(CONFIG_DEBUG),y) | 29 | ifeq ($(CONFIG_DEBUG),y) |
| 31 | CFLAGS += -g | 30 | CFLAGS += $(call cc-option,-g) |
| 32 | endif | 31 | endif |
| 33 | 32 | ||
| 34 | ifeq ($(CONFIG_STATIC),y) | 33 | ifeq ($(CONFIG_STATIC),y) |