build: separate CPPFLAGS from CFLAGS

There are a couple of places where CPPFLAGS are
pasted into CFLAGS, eliminate them.

Change-Id: Ic7f568cf87a7d9c5c52e2942032a867161036bd7
Signed-off-by: Patrick Georgi <patrick@georgi-clan.de>
Reviewed-on: http://review.coreboot.org/5765
Tested-by: build bot (Jenkins)
Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>

11 files changed, 20 insertions, 20 deletions

diff --git a/Makefile b/Makefile
index c9648c08cd..3404a5199a 100644
--- a/Makefile
+++ b/Makefile
@@ -242,7 +242,7 @@ ifn$(EMPTY)def $(1)-objs_$(2)_template
 de$(EMPTY)fine $(1)-objs_$(2)_template
 $(obj)/$$(1).$(1).o: src/$$(1).$(2) $(obj)/config.h $(4)
 	@printf "    CC         $$$$(subst $$$$(obj)/,,$$$$(@))\n"
-	$(CC_$(1)) $(3) -MMD $$$$(CFLAGS_$(1)) -c -o $$$$@ $$$$<
+	$(CC_$(1)) $(3) -MMD $$$$(CPPFLAGS_$(1)) $$$$(CFLAGS_$(1)) -c -o $$$$@ $$$$<
 en$(EMPTY)def
 end$(EMPTY)if
 endef
diff --git a/Makefile.inc b/Makefile.inc
index d76fab9cbd..9e4c6b0f64 100644
--- a/Makefile.inc
+++ b/Makefile.inc
@@ -152,7 +152,7 @@ $(obj)/$(1).ramstage.o: src/$(1).asl $(obj)/config.h
 	$(CC_ramstage) -x assembler-with-cpp -E -MMD -MT $$(@) -D__ACPI__ -P -include $(src)/include/kconfig.h -I$(obj) -I$(src) -I$(src)/include -I$(src)/arch/$(ARCHDIR-$(ARCH-RAMSTAGE-y))/include -I$(src)/mainboard/$(MAINBOARDDIR) $$< -o $$(basename $$@).asl
 	cd $$(dir $$@); $(IASL) -p $$(notdir $$@) -tc $$(notdir $$(basename $$@)).asl
 	mv $$(basename $$@).hex $$(basename $$@).c
-	$(CC_ramstage) $$(CFLAGS_ramstage) $$(if $$(subst dsdt,,$$(basename $$(notdir $(1)))), -DAmlCode=AmlCode_$$(basename $$(notdir $(1)))) -c -o $$@ $$(basename $$@).c
+	$(CC_ramstage) $$(CFLAGS_ramstage) $$(CPPFLAGS_ramstage) $$(if $$(subst dsdt,,$$(basename $$(notdir $(1)))), -DAmlCode=AmlCode_$$(basename $$(notdir $(1)))) -c -o $$@ $$(basename $$@).c
 	# keep %.o: %.c rule from catching the temporary .c file after a make clean
 	mv $$(basename $$@).c $$(basename $$@).hex
 endef
@@ -214,11 +214,11 @@ ifneq ($(CONFIG_LOCALVERSION),"")
 COREBOOT_EXTRA_VERSION := -$(call strip_quotes,$(CONFIG_LOCALVERSION))
 endif
 
-CPPFLAGS := -Isrc -Isrc/include -I$(obj)
-CPPFLAGS += -Isrc/device/oprom/include
-CPPFLAGS += -include $(src)/include/kconfig.h
+CPPFLAGS_common := -Isrc -Isrc/include -I$(obj)
+CPPFLAGS_common += -Isrc/device/oprom/include
+CPPFLAGS_common += -include $(src)/include/kconfig.h
 
-CFLAGS_common = $(CPPFLAGS) -Os -pipe -g -nostdinc
+CFLAGS_common = -Os -pipe -g -nostdinc
 CFLAGS_common += -nostdlib -Wall -Wundef -Wstrict-prototypes -Wmissing-prototypes
 CFLAGS_common += -Wwrite-strings -Wredundant-decls -Wno-trigraphs
 CFLAGS_common += -Wstrict-aliasing -Wshadow
@@ -314,15 +314,15 @@ $(objutil)/%.o: $(objutil)/%.c
 
 $(obj)/%.ramstage.o $(abspath $(obj))/%.ramstage.o: $(obj)/%.c $(obj)/config.h $(OPTION_TABLE_H)
 	@printf "    CC         $(subst $(obj)/,,$(@))\n"
-	$(CC_ramstage) -MMD $(CFLAGS_ramstage) -c -o $@ $<
+	$(CC_ramstage) -MMD $(CFLAGS_ramstage) $(CPPFLAGS_ramstage) -c -o $@ $<
 
 $(obj)/%.romstage.o $(abspath $(obj))/%.romstage.o: $(obj)/%.c $(obj)/config.h $(OPTION_TABLE_H)
 	@printf "    CC         $(subst $(obj)/,,$(@))\n"
-	$(CC_romstage) -MMD -D__PRE_RAM__ $(CFLAGS_romstage) -c -o $@ $<
+	$(CC_romstage) -MMD -D__PRE_RAM__ $(CFLAGS_romstage) $(CPPFLAGS_romstage) -c -o $@ $<
 
 $(obj)/%.bootblock.o $(abspath $(obj))/%.bootblock.o: $(obj)/%.c $(obj)/config.h $(OPTION_TABLE_H)
 	@printf "    CC         $(subst $(obj)/,,$(@))\n"
-	$(CC_bootblock) -MMD $(bootblock-c-ccopts) $(CFLAGS_bootblock) -c -o $@ $<
+	$(CC_bootblock) -MMD $(bootblock-c-ccopts) $(CFLAGS_bootblock) $(CPPFLAGS_bootblock) -c -o $@ $<
 
 #######################################################################
 # Clean up rules
diff --git a/src/arch/armv7/Makefile.inc b/src/arch/armv7/Makefile.inc
index 23e0bf6a91..402c491dd8 100644
--- a/src/arch/armv7/Makefile.inc
+++ b/src/arch/armv7/Makefile.inc
@@ -155,7 +155,7 @@ $(objgenerated)/crt0.s: $(objgenerated)/crt0.romstage.S $(obj)/config.h $(obj)/b
 
 $(obj)/mainboard/$(MAINBOARDDIR)/romstage.pre.inc: $(src)/mainboard/$(MAINBOARDDIR)/romstage.c $(OPTION_TABLE_H) $(obj)/build.h $(obj)/config.h
 	@printf "    CC         romstage.inc\n"
-	$(CC_romstage) -MMD $(CFLAGS_romstage) -D__PRE_RAM__ -I$(src) -I. -I$(obj) -c -S $< -o $@
+	$(CC_romstage) -MMD $(CFLAGS_romstage) $(CPPFLAGS_romstage) -D__PRE_RAM__ -I$(src) -I. -I$(obj) -c -S $< -o $@
 
 endif # CONFIG_ARCH_ROMSTAGE_ARMV7
 
@@ -192,7 +192,7 @@ $(objgenerated)/ramstage.o: $(stages_o) $$(ramstage-objs) $(LIBGCC_FILE_NAME_ram
 ifeq ($(CONFIG_COMPILER_LLVM_CLANG),y)
 	$(LD_ramstage) -m -m armelf_linux_eabi -r -o $@ --wrap __divdi3 --wrap __udivdi3 --wrap __moddi3 --wrap __umoddi3 --wrap __uidiv --start-group $(ramstage-objs) $(LIBGCC_FILE_NAME_ramstage) --end-group
 else
-	$(CC_ramstage) $(CFLAGS_ramstage) -nostdlib -r -o $@ -Wl,--start-group $(stages_o) $(ramstage-objs) $(LIBGCC_FILE_NAME_ramstage) -Wl,--end-group
+	$(CC_ramstage) $(CFLAGS_ramstage) $(CPPFLAGS_ramstage) -nostdlib -r -o $@ -Wl,--start-group $(stages_o) $(ramstage-objs) $(LIBGCC_FILE_NAME_ramstage) -Wl,--end-group
 endif
 
 ifeq ($(CONFIG_GENERATE_PIRQ_TABLE),y)
diff --git a/src/arch/x86/Makefile.inc b/src/arch/x86/Makefile.inc
index 6ff059c511..30f92434bb 100644
--- a/src/arch/x86/Makefile.inc
+++ b/src/arch/x86/Makefile.inc
@@ -193,7 +193,7 @@ else
 
 $(obj)/mainboard/$(MAINBOARDDIR)/romstage.pre.inc: $(src)/mainboard/$(MAINBOARDDIR)/romstage.c $(OPTION_TABLE_H) $(obj)/build.h $(obj)/config.h
 	@printf "    CC         romstage.inc\n"
-	$(CC_romstage) -MMD $(CFLAGS_romstage) -D__PRE_RAM__ -I$(src) -I. -I$(obj) -c -S $< -o $@
+	$(CC_romstage) -MMD $(CFLAGS_romstage) $(CPPFLAGS_romstage) -D__PRE_RAM__ -I$(src) -I. -I$(obj) -c -S $< -o $@
 
 $(obj)/mainboard/$(MAINBOARDDIR)/romstage.inc: $(obj)/mainboard/$(MAINBOARDDIR)/romstage.pre.inc
 	@printf "    POST       romstage.inc\n"
diff --git a/src/cpu/intel/fsp_model_206ax/Makefile.inc b/src/cpu/intel/fsp_model_206ax/Makefile.inc
index 8345002b0c..c6d7339b79 100644
--- a/src/cpu/intel/fsp_model_206ax/Makefile.inc
+++ b/src/cpu/intel/fsp_model_206ax/Makefile.inc
@@ -9,6 +9,6 @@ cpu_microcode-$(CONFIG_CPU_MICROCODE_CBFS_GENERATE)  += microcode_blob.c
 
 ifneq ($(CONFIG_MICROCODE_INCLUDE_PATH),)
 ifneq ($(wildcard $(shell realpath -L "$(top)/$(CONFIG_MICROCODE_INCLUDE_PATH)")),)
-CPPFLAGS += -I$(CONFIG_MICROCODE_INCLUDE_PATH)
+CPPFLAGS_common += -I$(CONFIG_MICROCODE_INCLUDE_PATH)
 endif
 endif
diff --git a/src/drivers/intel/fsp/Makefile.inc b/src/drivers/intel/fsp/Makefile.inc
index 86c3a851b9..280f7b94db 100644
--- a/src/drivers/intel/fsp/Makefile.inc
+++ b/src/drivers/intel/fsp/Makefile.inc
@@ -22,7 +22,7 @@ romstage-y += fsp_util.c
 ramstage-$(CONFIG_ENABLE_MRC_CACHE) += fastboot_cache.c
 romstage-$(CONFIG_ENABLE_MRC_CACHE) += fastboot_cache.c
 
-CPPFLAGS += -Isrc/drivers/intel/fsp
+CPPFLAGS_common += -Isrc/drivers/intel/fsp
 
 ifeq ($(CONFIG_USE_GENERIC_FSP_CAR_INC),y)
 cpu_incs += $(src)/drivers/intel/fsp/cache_as_ram.inc
diff --git a/src/northbridge/intel/fsp_sandybridge/Makefile.inc b/src/northbridge/intel/fsp_sandybridge/Makefile.inc
index 952c00848b..a22911991a 100644
--- a/src/northbridge/intel/fsp_sandybridge/Makefile.inc
+++ b/src/northbridge/intel/fsp_sandybridge/Makefile.inc
@@ -32,6 +32,6 @@ romstage-y += ../../../arch/x86/lib/walkcbfs.S
 smm-$(CONFIG_HAVE_SMI_HANDLER) += udelay.c
 smm-$(CONFIG_HAVE_SMI_HANDLER) += finalize.c
 
-CPPFLAGS += -I$(src)/northbridge/intel/fsp_sandybridge/fsp
+CPPFLAGS_common += -I$(src)/northbridge/intel/fsp_sandybridge/fsp
 
 $(obj)/northbridge/intel/fsp_sandybridge/acpi.ramstage.o : $(obj)/build.h
diff --git a/src/soc/intel/baytrail/Makefile.inc b/src/soc/intel/baytrail/Makefile.inc
index 179f2a64ee..d4f653ec88 100644
--- a/src/soc/intel/baytrail/Makefile.inc
+++ b/src/soc/intel/baytrail/Makefile.inc
@@ -53,7 +53,7 @@ ramstage-$(CONFIG_ELOG) += elog.c
 # Remove as ramstage gets fleshed out
 ramstage-y += placeholders.c
 
-CPPFLAGS += -Isrc/soc/intel/baytrail/
+CPPFLAGS_common += -Isrc/soc/intel/baytrail/
 
 # Run an intermediate step when producing coreboot.rom
 # that adds additional components to the final firmware
diff --git a/src/southbridge/intel/fsp_bd82x6x/Makefile.inc b/src/southbridge/intel/fsp_bd82x6x/Makefile.inc
index fdb04313eb..208611b716 100644
--- a/src/southbridge/intel/fsp_bd82x6x/Makefile.inc
+++ b/src/southbridge/intel/fsp_bd82x6x/Makefile.inc
@@ -70,4 +70,4 @@ endif
 
 PHONY += bd82x6x_add_me
 
-CPPFLAGS += -I$(src)/southbridge/intel/fsp_bd82x6x
+CPPFLAGS_common += -I$(src)/southbridge/intel/fsp_bd82x6x
diff --git a/src/vendorcode/google/chromeos/Makefile.inc b/src/vendorcode/google/chromeos/Makefile.inc
index f0289f8dd8..80a0da92a8 100644
--- a/src/vendorcode/google/chromeos/Makefile.inc
+++ b/src/vendorcode/google/chromeos/Makefile.inc
@@ -48,7 +48,7 @@ VB_FIRMWARE_ARCH := $(ARCHDIR-$(ARCH-ROMSTAGE-y))
 VB_SOURCE := vboot_reference
 
 # Add the vboot include paths.
-CPPFLAGS += -I$(VB_SOURCE)/firmware/include
+CPPFLAGS_common += -I$(VB_SOURCE)/firmware/include
 
 VBOOT_STUB_ELF = $(obj)/vendorcode/google/chromeos/vbootstub.elf
 VBOOT_STUB = $(VBOOT_STUB_ELF).rmod
diff --git a/toolchain.inc b/toolchain.inc
index ea67ad4c31..dca00fc6e3 100644
--- a/toolchain.inc
+++ b/toolchain.inc
@@ -64,8 +64,8 @@ OBJCOPY_$(1) := $(OBJCOPY_$(2))
 OBJDUMP_$(1) := $(OBJDUMP_$(2))
 STRIP_$(1) := $(STRIP_$(2))
 READELF_$(1) := $(READELF_$(2))
-CPPFLAGS_$(1) = -Isrc/arch/$(ARCHDIR-$(2))/include
-CFLAGS_$(1) = $$(CFLAGS_common) $$(CPPFLAGS_$(1)) $(CFLAGS_$(2))
+CFLAGS_$(1) = $$(CFLAGS_common) $$(CFLAGS_$(2))
+CPPFLAGS_$(1) = $$(CPPFLAGS_common) $$(CPPFLAGS_$(2))
 LIBGCC_FILE_NAME_$(1) = $(shell [ -r `$(CC_$(2)) -print-libgcc-file-name` ] && \
 	$(CC_$(2)) -print-libgcc-file-name)
 endef