svn commit: trunk/busybox: arch/i386
aldot at busybox.net
aldot at busybox.net
Tue Jan 23 11:39:15 UTC 2007
Author: aldot
Date: 2007-01-23 03:39:13 -0800 (Tue, 23 Jan 2007)
New Revision: 17486
Log:
- call cc-option to check if the compiler supports the flags we asked to use
Modified:
trunk/busybox/Makefile.flags
trunk/busybox/arch/i386/Makefile
Changeset:
Modified: trunk/busybox/Makefile.flags
===================================================================
--- trunk/busybox/Makefile.flags 2007-01-23 01:29:04 UTC (rev 17485)
+++ trunk/busybox/Makefile.flags 2007-01-23 11:39:13 UTC (rev 17486)
@@ -6,8 +6,8 @@
# -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 @@
$(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)
Modified: trunk/busybox/arch/i386/Makefile
===================================================================
--- trunk/busybox/arch/i386/Makefile 2007-01-23 01:29:04 UTC (rev 17485)
+++ trunk/busybox/arch/i386/Makefile 2007-01-23 11:39:13 UTC (rev 17486)
@@ -2,4 +2,4 @@
# Build system
# ==========================================================================
-CFLAGS += -march=i386 -mpreferred-stack-boundary=2
+CFLAGS += $(call cc-option,-march=i386 -mpreferred-stack-boundary=2,)
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