forked from Mirrors/opensbi
Makefile: Convert to a more standard format
Convert the Makefile to a more standard format and don't forcefully overwrite a users enviroment. Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
This commit is contained in:
Alistair Francis
committed by
Anup Patel
Anup Patel
parent
d6ddfdce39
commit
eeab92f242
79
Makefile
79
Makefile
@@ -100,35 +100,38 @@ GENFLAGS += $(platform-genflags-y)
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GENFLAGS += $(firmware-genflags-y)
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# Setup compilation environment
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cpp=$(CROSS_COMPILE)cpp
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cppflags+=$(GENFLAGS)
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cppflags+=$(platform-cppflags-y)
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cppflags+=$(firmware-cppflags-y)
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cc=$(CROSS_COMPILE)gcc
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cflags=-g -Wall -Werror -nostdlib -fno-strict-aliasing -O2
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cflags+=-fno-omit-frame-pointer -fno-optimize-sibling-calls
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cflags+=-mno-save-restore -mstrict-align
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cflags+=$(GENFLAGS)
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cflags+=$(platform-cflags-y)
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cflags+=$(firmware-cflags-y)
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cflags+=$(EXTRA_CFLAGS)
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as=$(CROSS_COMPILE)gcc
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asflags=-g -Wall -nostdlib -D__ASSEMBLY__
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asflags+=-fno-omit-frame-pointer -fno-optimize-sibling-calls
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asflags+=-mno-save-restore -mstrict-align
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asflags+=$(GENFLAGS)
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asflags+=$(platform-asflags-y)
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asflags+=$(firmware-asflags-y)
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asflags+=$(EXTRA_ASFLAGS)
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ar=$(CROSS_COMPILE)ar
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arflags=rcs
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ld=$(CROSS_COMPILE)gcc
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ldflags=-g -Wall -nostdlib -Wl,--build-id=none
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ldflags+=$(platform-ldflags-y)
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ldflags+=$(firmware-ldflags-y)
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merge=$(CROSS_COMPILE)ld
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mergeflags=-r
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objcopy=$(CROSS_COMPILE)objcopy
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CC ?= $(CROSS_COMPILE)gcc
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CFLAGS = -g -Wall -Werror -nostdlib -fno-strict-aliasing -O2
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CFLAGS += -fno-omit-frame-pointer -fno-optimize-sibling-calls
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CFLAGS += -mno-save-restore -mstrict-align
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CFLAGS += $(GENFLAGS)
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CFLAGS += $(platform-cflags-y)
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CFLAGS += $(firmware-cflags-y)
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CPP ?= $(CROSS_COMPILE)cpp
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CPPFLAGS += $(GENFLAGS)
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CPPFLAGS += $(platform-cppflags-y)
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CPPFLAGS += $(firmware-cppflags-y)
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AS = $(CC)
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ASFLAGS = -g -Wall -nostdlib -D__ASSEMBLY__
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ASFLAGS += -fno-omit-frame-pointer -fno-optimize-sibling-calls
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ASFLAGS += -mno-save-restore -mstrict-align
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ASFLAGS += $(GENFLAGS)
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ASFLAGS += $(platform-asflags-y)
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ASFLAGS += $(firmware-asflags-y)
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AR ?= $(CROSS_COMPILE)ar
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ARFLAGS = rcs
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LD ?= $(CROSS_COMPILE)ld
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LDFLAGS += -g -Wall -nostdlib -Wl,--build-id=none -N
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LDFLAGS += $(platform-ldflags-y)
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LDFLAGS += $(firmware-ldflags-y)
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MERGEFLAGS += -r
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OBJCOPY ?= $(CROSS_COMPILE)objcopy
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# Setup functions for compilation
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define dynamic_flags
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@@ -136,7 +139,7 @@ define dynamic_flags
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endef
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merge_objs = $(CMD_PREFIX)mkdir -p `dirname $(1)`; \
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echo " MERGE $(subst $(build_dir)/,,$(1))"; \
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$(merge) $(mergeflags) $(2) -o $(1)
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$(LD) $(MERGEFLAGS) $(2) -o $(1)
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merge_deps = $(CMD_PREFIX)mkdir -p `dirname $(1)`; \
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echo " MERGE-DEP $(subst $(build_dir)/,,$(1))"; \
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cat $(2) > $(1)
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@@ -162,32 +165,32 @@ inst_header_dir = $(CMD_PREFIX)mkdir -p $(1); \
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cp -rf $(2) $(1)
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compile_cpp = $(CMD_PREFIX)mkdir -p `dirname $(1)`; \
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echo " CPP $(subst $(build_dir)/,,$(1))"; \
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$(cpp) $(cppflags) $(2) | grep -v "\#" > $(1)
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$(CPP) $(CPPFLAGS) $(2) | grep -v "\#" > $(1)
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compile_cc_dep = $(CMD_PREFIX)mkdir -p `dirname $(1)`; \
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echo " CC-DEP $(subst $(build_dir)/,,$(1))"; \
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echo -n `dirname $(1)`/ > $(1) && \
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$(cc) $(cflags) $(call dynamic_flags,$(1),$(2)) \
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$(CC) $(CFLAGS) $(call dynamic_flags,$(1),$(2)) \
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-MM $(2) >> $(1) || rm -f $(1)
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compile_cc = $(CMD_PREFIX)mkdir -p `dirname $(1)`; \
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echo " CC $(subst $(build_dir)/,,$(1))"; \
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$(cc) $(cflags) $(call dynamic_flags,$(1),$(2)) -c $(2) -o $(1)
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$(CC) $(CFLAGS) $(call dynamic_flags,$(1),$(2)) -c $(2) -o $(1)
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compile_as_dep = $(CMD_PREFIX)mkdir -p `dirname $(1)`; \
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echo " AS-DEP $(subst $(build_dir)/,,$(1))"; \
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echo -n `dirname $(1)`/ > $(1) && \
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$(as) $(asflags) $(call dynamic_flags,$(1),$(2)) \
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$(AS) $(ASFLAGS) $(call dynamic_flags,$(1),$(2)) \
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-MM $(2) >> $(1) || rm -f $(1)
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compile_as = $(CMD_PREFIX)mkdir -p `dirname $(1)`; \
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echo " AS $(subst $(build_dir)/,,$(1))"; \
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$(as) $(asflags) $(call dynamic_flags,$(1),$(2)) -c $(2) -o $(1)
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$(AS) $(ASFLAGS) $(call dynamic_flags,$(1),$(2)) -c $(2) -o $(1)
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compile_ld = $(CMD_PREFIX)mkdir -p `dirname $(1)`; \
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echo " LD $(subst $(build_dir)/,,$(1))"; \
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$(ld) $(3) $(ldflags) -Wl,-T$(2) -o $(1)
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$(CC) $(3) $(LDFLAGS) -Wl,-T$(2) -o $(1)
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compile_ar = $(CMD_PREFIX)mkdir -p `dirname $(1)`; \
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echo " AR $(subst $(build_dir)/,,$(1))"; \
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$(ar) $(arflags) $(1) $(2)
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$(AR) $(ARFLAGS) $(1) $(2)
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compile_objcopy = $(CMD_PREFIX)mkdir -p `dirname $(1)`; \
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echo " OBJCOPY $(subst $(build_dir)/,,$(1))"; \
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$(objcopy) -S -O binary $(2) $(1)
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$(OBJCOPY) -S -O binary $(2) $(1)
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targets-y = $(build_dir)/lib/libsbi.a
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ifdef PLATFORM
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