1e2211743Swdenk# 2f9328639SMarian Balakowicz# (C) Copyright 2000-2006 3e2211743Swdenk# Wolfgang Denk, DENX Software Engineering, wd@denx.de. 4e2211743Swdenk# 5e2211743Swdenk# See file CREDITS for list of people who contributed to this 6e2211743Swdenk# project. 7e2211743Swdenk# 8e2211743Swdenk# This program is free software; you can redistribute it and/or 9e2211743Swdenk# modify it under the terms of the GNU General Public License as 10e2211743Swdenk# published by the Free Software Foundation; either version 2 of 11e2211743Swdenk# the License, or (at your option) any later version. 12e2211743Swdenk# 13e2211743Swdenk# This program is distributed in the hope that it will be useful, 14e2211743Swdenk# but WITHOUT ANY WARRANTY; without even the implied warranty of 15e2211743Swdenk# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16e2211743Swdenk# GNU General Public License for more details. 17e2211743Swdenk# 18e2211743Swdenk# You should have received a copy of the GNU General Public License 19e2211743Swdenk# along with this program; if not, write to the Free Software 20e2211743Swdenk# Foundation, Inc., 59 Temple Place, Suite 330, Boston, 21e2211743Swdenk# MA 02111-1307 USA 22e2211743Swdenk# 23e2211743Swdenk 24e2211743Swdenk######################################################################### 25e2211743Swdenk 26f9328639SMarian Balakowiczifeq ($(CURDIR),$(SRCTREE)) 27f9328639SMarian Balakowiczdir := 28f9328639SMarian Balakowiczelse 29f9328639SMarian Balakowiczdir := $(subst $(SRCTREE)/,,$(CURDIR)) 30f9328639SMarian Balakowiczendif 31f9328639SMarian Balakowicz 32c8f9c302SDaniel Schwierzeckifneq ($(OBJTREE),$(SRCTREE)) 33c8f9c302SDaniel Schwierzeck# Create object files for SPL in a separate directory 34c8f9c302SDaniel Schwierzeckifeq ($(CONFIG_SPL_BUILD),y) 35c8f9c302SDaniel Schwierzeckobj := $(if $(dir),$(SPLTREE)/$(dir)/,$(SPLTREE)/) 36c8f9c302SDaniel Schwierzeckelse 37f9328639SMarian Balakowiczobj := $(if $(dir),$(OBJTREE)/$(dir)/,$(OBJTREE)/) 38c8f9c302SDaniel Schwierzeckendif 39f9328639SMarian Balakowiczsrc := $(if $(dir),$(SRCTREE)/$(dir)/,$(SRCTREE)/) 40f9328639SMarian Balakowicz 41f9328639SMarian Balakowicz$(shell mkdir -p $(obj)) 42f9328639SMarian Balakowiczelse 43c8f9c302SDaniel Schwierzeck# Create object files for SPL in a separate directory 44c8f9c302SDaniel Schwierzeckifeq ($(CONFIG_SPL_BUILD),y) 45c8f9c302SDaniel Schwierzeckobj := $(if $(dir),$(SPLTREE)/$(dir)/,$(SPLTREE)/) 46c8f9c302SDaniel Schwierzeck 47c8f9c302SDaniel Schwierzeck$(shell mkdir -p $(obj)) 48c8f9c302SDaniel Schwierzeckelse 49f9328639SMarian Balakowiczobj := 50c8f9c302SDaniel Schwierzeckendif 51f9328639SMarian Balakowiczsrc := 52f9328639SMarian Balakowiczendif 53f9328639SMarian Balakowicz 54592c5cabSwdenk# clean the slate ... 55592c5cabSwdenkPLATFORM_RELFLAGS = 56592c5cabSwdenkPLATFORM_CPPFLAGS = 57592c5cabSwdenkPLATFORM_LDFLAGS = 58592c5cabSwdenk 59e2211743Swdenk######################################################################### 60e2211743Swdenk 61d984fed0SScott WoodHOSTCFLAGS = -Wall -Wstrict-prototypes -O2 -fomit-frame-pointer \ 62d984fed0SScott Wood $(HOSTCPPFLAGS) 63d984fed0SScott WoodHOSTSTRIP = strip 64d984fed0SScott Wood 65d984fed0SScott Wood# 66d984fed0SScott Wood# Mac OS X / Darwin's C preprocessor is Apple specific. It 67d984fed0SScott Wood# generates numerous errors and warnings. We want to bypass it 68d984fed0SScott Wood# and use GNU C's cpp. To do this we pass the -traditional-cpp 69d984fed0SScott Wood# option to the compiler. Note that the -traditional-cpp flag 70d984fed0SScott Wood# DOES NOT have the same semantics as GNU C's flag, all it does 71d984fed0SScott Wood# is invoke the GNU preprocessor in stock ANSI/ISO C fashion. 72d984fed0SScott Wood# 73d984fed0SScott Wood# Apple's linker is similar, thanks to the new 2 stage linking 74d984fed0SScott Wood# multiple symbol definitions are treated as errors, hence the 75d984fed0SScott Wood# -multiply_defined suppress option to turn off this error. 76d984fed0SScott Wood# 77d984fed0SScott Wood 784cda4378SMike Frysingerifeq ($(HOSTOS),darwin) 79c7da8c19SAndreas Biessmann# get major and minor product version (e.g. '10' and '6' for Snow Leopard) 80c7da8c19SAndreas BiessmannDARWIN_MAJOR_VERSION = $(shell sw_vers -productVersion | cut -f 1 -d '.') 81c7da8c19SAndreas BiessmannDARWIN_MINOR_VERSION = $(shell sw_vers -productVersion | cut -f 2 -d '.') 82c7da8c19SAndreas Biessmann 83f534c7cdSMike Frysingeros_x_before = $(shell if [ $(DARWIN_MAJOR_VERSION) -le $(1) -a \ 84f534c7cdSMike Frysinger $(DARWIN_MINOR_VERSION) -le $(2) ] ; then echo "$(3)"; else echo "$(4)"; fi ;) 85c7da8c19SAndreas Biessmann 86c7da8c19SAndreas Biessmann# Snow Leopards build environment has no longer restrictions as described above 87f534c7cdSMike FrysingerHOSTCC = $(call os_x_before, 10, 5, "cc", "gcc") 88f534c7cdSMike FrysingerHOSTCFLAGS += $(call os_x_before, 10, 4, "-traditional-cpp") 89f534c7cdSMike FrysingerHOSTLDFLAGS += $(call os_x_before, 10, 5, "-multiply_defined suppress") 90e2211743Swdenkelse 91e2211743SwdenkHOSTCC = gcc 92e2211743Swdenkendif 93d984fed0SScott Wood 94d984fed0SScott Woodifeq ($(HOSTOS),cygwin) 95d984fed0SScott WoodHOSTCFLAGS += -ansi 96d984fed0SScott Woodendif 97d984fed0SScott Wood 98d984fed0SScott Wood# We build some files with extra pedantic flags to try to minimize things 99d984fed0SScott Wood# that won't build on some weird host compiler -- though there are lots of 100d984fed0SScott Wood# exceptions for files that aren't complaint. 101d984fed0SScott Wood 102d984fed0SScott WoodHOSTCFLAGS_NOPED = $(filter-out -pedantic,$(HOSTCFLAGS)) 103d984fed0SScott WoodHOSTCFLAGS += -pedantic 104e2211743Swdenk 105e2211743Swdenk######################################################################### 1061820d4c7SWolfgang Denk# 10719a695f8STom Rini# Option checker, gcc version (courtesy linux kernel) to ensure 1081820d4c7SWolfgang Denk# only supported compiler options are used 1091820d4c7SWolfgang Denk# 110b6a467d7SDaniel SchwierzeckCC_OPTIONS_CACHE_FILE := $(OBJTREE)/include/generated/cc_options.mk 1116f4acc17STom RiniCC_TEST_OFILE := $(OBJTREE)/include/generated/cc_test_file.o 112b6a467d7SDaniel Schwierzeck 113b6a467d7SDaniel Schwierzeck-include $(CC_OPTIONS_CACHE_FILE) 114b6a467d7SDaniel Schwierzeck 1156f4acc17STom Rinicc-option-sys = $(shell mkdir -p $(dir $(CC_TEST_OFILE)); \ 1166f4acc17STom Rini if $(CC) $(CFLAGS) $(1) -S -xc /dev/null -o $(CC_TEST_OFILE) \ 117b6a467d7SDaniel Schwierzeck > /dev/null 2>&1; then \ 118b6a467d7SDaniel Schwierzeck echo 'CC_OPTIONS += $(strip $1)' >> $(CC_OPTIONS_CACHE_FILE); \ 119b6a467d7SDaniel Schwierzeck echo "$(1)"; fi) 120b6a467d7SDaniel Schwierzeck 121b6a467d7SDaniel Schwierzeckifeq ($(CONFIG_CC_OPT_CACHE_DISABLE),y) 122b6a467d7SDaniel Schwierzeckcc-option = $(strip $(if $(call cc-option-sys,$1),$1,$2)) 123b6a467d7SDaniel Schwierzeckelse 124b6a467d7SDaniel Schwierzeckcc-option = $(strip $(if $(findstring $1,$(CC_OPTIONS)),$1,\ 125b6a467d7SDaniel Schwierzeck $(if $(call cc-option-sys,$1),$1,$2))) 126b6a467d7SDaniel Schwierzeckendif 127e2211743Swdenk 12819a695f8STom Rini# cc-version 12919a695f8STom Rini# Usage gcc-ver := $(call cc-version) 13019a695f8STom Rinicc-version = $(shell $(SHELL) $(SRCTREE)/tools/gcc-version.sh $(CC)) 131*2051ff34SAllen Martinbinutils-version = $(shell $(SHELL) $(SRCTREE)/tools/binutils-version.sh $(AS)) 13219a695f8STom Rini 133e2211743Swdenk# 134e2211743Swdenk# Include the make variables (CC, etc...) 135e2211743Swdenk# 136e2211743SwdenkAS = $(CROSS_COMPILE)as 1377cb714a5SKhem Raj 1387cb714a5SKhem Raj# Always use GNU ld 1397cb714a5SKhem RajLD = $(shell if $(CROSS_COMPILE)ld.bfd -v > /dev/null 2>&1; \ 1407cb714a5SKhem Raj then echo "$(CROSS_COMPILE)ld.bfd"; else echo "$(CROSS_COMPILE)ld"; fi;) 1417cb714a5SKhem Raj 142e2211743SwdenkCC = $(CROSS_COMPILE)gcc 143e2211743SwdenkCPP = $(CC) -E 144e2211743SwdenkAR = $(CROSS_COMPILE)ar 145e2211743SwdenkNM = $(CROSS_COMPILE)nm 14694a91e24SMike FrysingerLDR = $(CROSS_COMPILE)ldr 147e2211743SwdenkSTRIP = $(CROSS_COMPILE)strip 148e2211743SwdenkOBJCOPY = $(CROSS_COMPILE)objcopy 149e2211743SwdenkOBJDUMP = $(CROSS_COMPILE)objdump 150e2211743SwdenkRANLIB = $(CROSS_COMPILE)RANLIB 151bbb0b128SSimon GlassDTC = dtc 152e2211743Swdenk 153c4e5f52aSWolfgang Denk######################################################################### 154c4e5f52aSWolfgang Denk 155c4e5f52aSWolfgang Denk# Load generated board configuration 156c4e5f52aSWolfgang Denksinclude $(OBJTREE)/include/autoconf.mk 1575e987ddfSJoakim Tjernlundsinclude $(OBJTREE)/include/config.mk 158c4e5f52aSWolfgang Denk 15903b7004dSPeter Tyser# Some architecture config.mk files need to know what CPUDIR is set to, 16003b7004dSPeter Tyser# so calculate CPUDIR before including ARCH/SOC/CPU config.mk files. 1618d1f2682SPeter Tyser# Check if arch/$ARCH/cpu/$CPU exists, otherwise assume arch/$ARCH/cpu contains 1628d1f2682SPeter Tyser# CPU-specific code. 1638d1f2682SPeter TyserCPUDIR=arch/$(ARCH)/cpu/$(CPU) 1648d1f2682SPeter Tyserifneq ($(SRCTREE)/$(CPUDIR),$(wildcard $(SRCTREE)/$(CPUDIR))) 1658d1f2682SPeter TyserCPUDIR=arch/$(ARCH)/cpu 1668d1f2682SPeter Tyserendif 16703b7004dSPeter Tyser 168ea0364f1SPeter Tysersinclude $(TOPDIR)/arch/$(ARCH)/config.mk # include architecture dependend rules 16903b7004dSPeter Tysersinclude $(TOPDIR)/$(CPUDIR)/config.mk # include CPU specific rules 17003b7004dSPeter Tyser 171c4e5f52aSWolfgang Denkifdef SOC 17203b7004dSPeter Tysersinclude $(TOPDIR)/$(CPUDIR)/$(SOC)/config.mk # include SoC specific rules 173c4e5f52aSWolfgang Denkendif 174c4e5f52aSWolfgang Denkifdef VENDOR 175c4e5f52aSWolfgang DenkBOARDDIR = $(VENDOR)/$(BOARD) 176c4e5f52aSWolfgang Denkelse 177c4e5f52aSWolfgang DenkBOARDDIR = $(BOARD) 178c4e5f52aSWolfgang Denkendif 179c4e5f52aSWolfgang Denkifdef BOARD 180c4e5f52aSWolfgang Denksinclude $(TOPDIR)/board/$(BOARDDIR)/config.mk # include board specific rules 181c4e5f52aSWolfgang Denkendif 182c4e5f52aSWolfgang Denk 183c4e5f52aSWolfgang Denk######################################################################### 184c4e5f52aSWolfgang Denk 1855968adc4SMike Frysinger# We don't actually use $(ARFLAGS) anywhere anymore, so catch people 1865968adc4SMike Frysinger# who are porting old code to latest mainline but not updating $(AR). 1875968adc4SMike FrysingerARFLAGS = $(error update your Makefile to use cmd_link_o_target and not AR) 188e2211743SwdenkRELFLAGS= $(PLATFORM_RELFLAGS) 189e2211743SwdenkDBGFLAGS= -g # -DDEBUG 190e2211743SwdenkOPTFLAGS= -Os #-fomit-frame-pointer 19183b7e2a7SScott Wood 1926dd652faSwdenkOBJCFLAGS += --gap-fill=0xff 193e2211743Swdenk 194b783edaeSwdenkgccincdir := $(shell $(CC) -print-file-name=include) 195b783edaeSwdenk 196e2211743SwdenkCPPFLAGS := $(DBGFLAGS) $(OPTFLAGS) $(RELFLAGS) \ 197161b2af4SMike Frysinger -D__KERNEL__ 198c8f9c302SDaniel Schwierzeck 199c8f9c302SDaniel Schwierzeck# Enable garbage collection of un-used sections for SPL 200c8f9c302SDaniel Schwierzeckifeq ($(CONFIG_SPL_BUILD),y) 201c8f9c302SDaniel SchwierzeckCPPFLAGS += -ffunction-sections -fdata-sections 202c8f9c302SDaniel SchwierzeckLDFLAGS_FINAL += --gc-sections 203c8f9c302SDaniel Schwierzeckendif 204c8f9c302SDaniel Schwierzeck 20514d0a02aSWolfgang Denkifneq ($(CONFIG_SYS_TEXT_BASE),) 20614d0a02aSWolfgang DenkCPPFLAGS += -DCONFIG_SYS_TEXT_BASE=$(CONFIG_SYS_TEXT_BASE) 207161b2af4SMike Frysingerendif 208f9328639SMarian Balakowicz 209c8f9c302SDaniel Schwierzeckifneq ($(CONFIG_SPL_TEXT_BASE),) 210c8f9c302SDaniel SchwierzeckCPPFLAGS += -DCONFIG_SPL_TEXT_BASE=$(CONFIG_SPL_TEXT_BASE) 211c8f9c302SDaniel Schwierzeckendif 212c8f9c302SDaniel Schwierzeck 21394aebe6cSStefan Roeseifneq ($(CONFIG_SPL_PAD_TO),) 21494aebe6cSStefan RoeseCPPFLAGS += -DCONFIG_SPL_PAD_TO=$(CONFIG_SPL_PAD_TO) 21594aebe6cSStefan Roeseendif 21694aebe6cSStefan Roese 217c8f9c302SDaniel Schwierzeckifeq ($(CONFIG_SPL_BUILD),y) 218c8f9c302SDaniel SchwierzeckCPPFLAGS += -DCONFIG_SPL_BUILD 219c8f9c302SDaniel Schwierzeckendif 220c8f9c302SDaniel Schwierzeck 2216c97a20dSKumar Galaifneq ($(RESET_VECTOR_ADDRESS),) 2226c97a20dSKumar GalaCPPFLAGS += -DRESET_VECTOR_ADDRESS=$(RESET_VECTOR_ADDRESS) 2236c97a20dSKumar Galaendif 2246c97a20dSKumar Gala 225f9328639SMarian Balakowiczifneq ($(OBJTREE),$(SRCTREE)) 226f9328639SMarian BalakowiczCPPFLAGS += -I$(OBJTREE)/include2 -I$(OBJTREE)/include 227f9328639SMarian Balakowiczendif 228f9328639SMarian Balakowicz 229f9328639SMarian BalakowiczCPPFLAGS += -I$(TOPDIR)/include 230f9328639SMarian BalakowiczCPPFLAGS += -fno-builtin -ffreestanding -nostdinc \ 231f9328639SMarian Balakowicz -isystem $(gccincdir) -pipe $(PLATFORM_CPPFLAGS) 232e2211743Swdenk 233e2211743Swdenkifdef BUILD_TAG 234e2211743SwdenkCFLAGS := $(CPPFLAGS) -Wall -Wstrict-prototypes \ 235e2211743Swdenk -DBUILD_TAG='"$(BUILD_TAG)"' 236e2211743Swdenkelse 237e2211743SwdenkCFLAGS := $(CPPFLAGS) -Wall -Wstrict-prototypes 238e2211743Swdenkendif 239e2211743Swdenk 240cca4e4aeSWolfgang DenkCFLAGS_SSP := $(call cc-option,-fno-stack-protector) 241cca4e4aeSWolfgang DenkCFLAGS += $(CFLAGS_SSP) 2426262e4e7SMike Frysinger# Some toolchains enable security related warning flags by default, 2436262e4e7SMike Frysinger# but they don't make much sense in the u-boot world, so disable them. 244cca4e4aeSWolfgang DenkCFLAGS_WARN := $(call cc-option,-Wno-format-nonliteral) \ 245cca4e4aeSWolfgang Denk $(call cc-option,-Wno-format-security) 246cca4e4aeSWolfgang DenkCFLAGS += $(CFLAGS_WARN) 24728eab0d7SHaavard Skinnemoen 2484a30f1e8STom Rini# Report stack usage if supported 2494a30f1e8STom RiniCFLAGS_STACK := $(call cc-option,-fstack-usage) 2504a30f1e8STom RiniCFLAGS += $(CFLAGS_STACK) 2514a30f1e8STom Rini 252e11887a7SHaavard Skinnemoen# $(CPPFLAGS) sets -g, which causes gcc to pass a suitable -g<format> 253e11887a7SHaavard Skinnemoen# option to the assembler. 254e11887a7SHaavard SkinnemoenAFLAGS_DEBUG := 255b62fa913SMarian Balakowicz 256483a0cf8SMarian Balakowicz# turn jbsr into jsr for m68k 257483a0cf8SMarian Balakowiczifeq ($(ARCH),m68k) 258483a0cf8SMarian Balakowiczifeq ($(findstring 3.4,$(shell $(CC) --version)),3.4) 259483a0cf8SMarian BalakowiczAFLAGS_DEBUG := -Wa,-gstabs,-S 260483a0cf8SMarian Balakowiczendif 261483a0cf8SMarian Balakowiczendif 262b62fa913SMarian Balakowicz 263e2211743SwdenkAFLAGS := $(AFLAGS_DEBUG) -D__ASSEMBLY__ $(CPPFLAGS) 264e2211743Swdenk 2658aba9dceSNobuhiro IwamatsuLDFLAGS += $(PLATFORM_LDFLAGS) 2666dc1ecebSHaiying WangLDFLAGS_FINAL += -Bstatic 2678aba9dceSNobuhiro Iwamatsu 2686dc1ecebSHaiying WangLDFLAGS_u-boot += -T $(obj)u-boot.lds $(LDFLAGS_FINAL) 26914d0a02aSWolfgang Denkifneq ($(CONFIG_SYS_TEXT_BASE),) 2708aba9dceSNobuhiro IwamatsuLDFLAGS_u-boot += -Ttext $(CONFIG_SYS_TEXT_BASE) 271161b2af4SMike Frysingerendif 272e2211743Swdenk 273c8f9c302SDaniel SchwierzeckLDFLAGS_u-boot-spl += -T $(obj)u-boot-spl.lds $(LDFLAGS_FINAL) 274c8f9c302SDaniel Schwierzeckifneq ($(CONFIG_SPL_TEXT_BASE),) 275c8f9c302SDaniel SchwierzeckLDFLAGS_u-boot-spl += -Ttext $(CONFIG_SPL_TEXT_BASE) 276c8f9c302SDaniel Schwierzeckendif 277c8f9c302SDaniel Schwierzeck 278e2211743Swdenk# Location of a usable BFD library, where we define "usable" as 279e2211743Swdenk# "built for ${HOST}, supports ${TARGET}". Sensible values are 280e2211743Swdenk# - When cross-compiling: the root of the cross-environment 281e2211743Swdenk# - Linux/ppc (native): /usr 282e2211743Swdenk# - NetBSD/ppc (native): you lose ... (must extract these from the 283e2211743Swdenk# binutils build directory, plus the native and U-Boot include 284e2211743Swdenk# files don't like each other) 285e2211743Swdenk# 286e2211743Swdenk# So far, this is used only by tools/gdb/Makefile. 287e2211743Swdenk 2884cda4378SMike Frysingerifeq ($(HOSTOS),darwin) 289e2211743SwdenkBFD_ROOT_DIR = /usr/local/tools 290e2211743Swdenkelse 291ea909b76Swdenkifeq ($(HOSTARCH),$(ARCH)) 292ea909b76Swdenk# native 293ea909b76SwdenkBFD_ROOT_DIR = /usr 294ea909b76Swdenkelse 295e2211743Swdenk#BFD_ROOT_DIR = /LinuxPPC/CDK # Linux/i386 296e2211743Swdenk#BFD_ROOT_DIR = /usr/pkg/cross # NetBSD/i386 297e2211743SwdenkBFD_ROOT_DIR = /opt/powerpc 298e2211743Swdenkendif 299ea909b76Swdenkendif 300e2211743Swdenk 301e2211743Swdenk######################################################################### 302e2211743Swdenk 303d984fed0SScott Woodexport HOSTCC HOSTCFLAGS HOSTLDFLAGS PEDCFLAGS HOSTSTRIP CROSS_COMPILE \ 304434c51a5SPeter Tyser AS LD CC CPP AR NM STRIP OBJCOPY OBJDUMP MAKE 30514d0a02aSWolfgang Denkexport CONFIG_SYS_TEXT_BASE PLATFORM_CPPFLAGS PLATFORM_RELFLAGS CPPFLAGS CFLAGS AFLAGS 306e2211743Swdenk 307e2211743Swdenk######################################################################### 308e2211743Swdenk 3095ec5529bSMike Frysinger# Allow boards to use custom optimize flags on a per dir/file basis 31089f39e17SPeter TyserBCURDIR = $(subst $(SRCTREE)/,,$(CURDIR:$(obj)%=%)) 311326a6945SMike FrysingerALL_AFLAGS = $(AFLAGS) $(AFLAGS_$(BCURDIR)/$(@F)) $(AFLAGS_$(BCURDIR)) 312326a6945SMike FrysingerALL_CFLAGS = $(CFLAGS) $(CFLAGS_$(BCURDIR)/$(@F)) $(CFLAGS_$(BCURDIR)) 31347508843SSimon GlassEXTRA_CPPFLAGS = $(CPPFLAGS_$(BCURDIR)/$(@F)) $(CPPFLAGS_$(BCURDIR)) 31447508843SSimon GlassALL_CFLAGS += $(EXTRA_CPPFLAGS) 31547508843SSimon Glass 31647508843SSimon Glass# The _DEP version uses the $< file target (for dependency generation) 31747508843SSimon Glass# See rules.mk 31847508843SSimon GlassEXTRA_CPPFLAGS_DEP = $(CPPFLAGS_$(BCURDIR)/$(addsuffix .o,$(basename $<))) \ 31947508843SSimon Glass $(CPPFLAGS_$(BCURDIR)) 320f9328639SMarian Balakowicz$(obj)%.s: %.S 321326a6945SMike Frysinger $(CPP) $(ALL_AFLAGS) -o $@ $< 322f9328639SMarian Balakowicz$(obj)%.o: %.S 323326a6945SMike Frysinger $(CC) $(ALL_AFLAGS) -o $@ $< -c 324f9328639SMarian Balakowicz$(obj)%.o: %.c 325326a6945SMike Frysinger $(CC) $(ALL_CFLAGS) -o $@ $< -c 32631f30c9eSMike Frysinger$(obj)%.i: %.c 327326a6945SMike Frysinger $(CPP) $(ALL_CFLAGS) -o $@ $< -c 32831f30c9eSMike Frysinger$(obj)%.s: %.c 329326a6945SMike Frysinger $(CC) $(ALL_CFLAGS) -o $@ $< -c -S 330f9328639SMarian Balakowicz 331e2211743Swdenk######################################################################### 3326d8962e8SSebastien Carlier 3336d8962e8SSebastien Carlier# If the list of objects to link is empty, just create an empty built-in.o 3346d8962e8SSebastien Carliercmd_link_o_target = $(if $(strip $1),\ 3358aba9dceSNobuhiro Iwamatsu $(LD) $(LDFLAGS) -r -o $@ $1,\ 3366d8962e8SSebastien Carlier rm -f $@; $(AR) rcs $@ ) 3376d8962e8SSebastien Carlier 3386d8962e8SSebastien Carlier######################################################################### 339