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| author | Alistair Francis <alistair.francis@wdc.com> | 2018-12-21 16:44:55 -0800 |
|---|---|---|
| committer | Anup Patel <anup@brainfault.org> | 2019-01-04 08:20:50 +0530 |
| commit | eeab92f2423ef907629f784658663baf66b5df78 (patch) | |
| tree | 5dc1fc3761b61062f02a6cf95fb9c6d8309243e5 /Makefile | |
| parent | d6ddfdce3975c9484f8b7f9a364b3e75da780b2a (diff) | |
| download | opensbi-eeab92f2423ef907629f784658663baf66b5df78.zip opensbi-eeab92f2423ef907629f784658663baf66b5df78.tar.gz opensbi-eeab92f2423ef907629f784658663baf66b5df78.tar.bz2 | |
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>
Diffstat (limited to 'Makefile')
| -rw-r--r-- | Makefile | 79 |
1 files changed, 41 insertions, 38 deletions
@@ -100,35 +100,38 @@ GENFLAGS += $(platform-genflags-y) GENFLAGS += $(firmware-genflags-y) # Setup compilation environment -cpp=$(CROSS_COMPILE)cpp -cppflags+=$(GENFLAGS) -cppflags+=$(platform-cppflags-y) -cppflags+=$(firmware-cppflags-y) -cc=$(CROSS_COMPILE)gcc -cflags=-g -Wall -Werror -nostdlib -fno-strict-aliasing -O2 -cflags+=-fno-omit-frame-pointer -fno-optimize-sibling-calls -cflags+=-mno-save-restore -mstrict-align -cflags+=$(GENFLAGS) -cflags+=$(platform-cflags-y) -cflags+=$(firmware-cflags-y) -cflags+=$(EXTRA_CFLAGS) -as=$(CROSS_COMPILE)gcc -asflags=-g -Wall -nostdlib -D__ASSEMBLY__ -asflags+=-fno-omit-frame-pointer -fno-optimize-sibling-calls -asflags+=-mno-save-restore -mstrict-align -asflags+=$(GENFLAGS) -asflags+=$(platform-asflags-y) -asflags+=$(firmware-asflags-y) -asflags+=$(EXTRA_ASFLAGS) -ar=$(CROSS_COMPILE)ar -arflags=rcs -ld=$(CROSS_COMPILE)gcc -ldflags=-g -Wall -nostdlib -Wl,--build-id=none -ldflags+=$(platform-ldflags-y) -ldflags+=$(firmware-ldflags-y) -merge=$(CROSS_COMPILE)ld -mergeflags=-r -objcopy=$(CROSS_COMPILE)objcopy +CC ?= $(CROSS_COMPILE)gcc +CFLAGS = -g -Wall -Werror -nostdlib -fno-strict-aliasing -O2 +CFLAGS += -fno-omit-frame-pointer -fno-optimize-sibling-calls +CFLAGS += -mno-save-restore -mstrict-align +CFLAGS += $(GENFLAGS) +CFLAGS += $(platform-cflags-y) +CFLAGS += $(firmware-cflags-y) + +CPP ?= $(CROSS_COMPILE)cpp +CPPFLAGS += $(GENFLAGS) +CPPFLAGS += $(platform-cppflags-y) +CPPFLAGS += $(firmware-cppflags-y) + +AS = $(CC) +ASFLAGS = -g -Wall -nostdlib -D__ASSEMBLY__ +ASFLAGS += -fno-omit-frame-pointer -fno-optimize-sibling-calls +ASFLAGS += -mno-save-restore -mstrict-align +ASFLAGS += $(GENFLAGS) +ASFLAGS += $(platform-asflags-y) +ASFLAGS += $(firmware-asflags-y) + +AR ?= $(CROSS_COMPILE)ar +ARFLAGS = rcs + +LD ?= $(CROSS_COMPILE)ld +LDFLAGS += -g -Wall -nostdlib -Wl,--build-id=none -N +LDFLAGS += $(platform-ldflags-y) +LDFLAGS += $(firmware-ldflags-y) + +MERGEFLAGS += -r + +OBJCOPY ?= $(CROSS_COMPILE)objcopy # Setup functions for compilation define dynamic_flags @@ -136,7 +139,7 @@ define dynamic_flags endef merge_objs = $(CMD_PREFIX)mkdir -p `dirname $(1)`; \ echo " MERGE $(subst $(build_dir)/,,$(1))"; \ - $(merge) $(mergeflags) $(2) -o $(1) + $(LD) $(MERGEFLAGS) $(2) -o $(1) merge_deps = $(CMD_PREFIX)mkdir -p `dirname $(1)`; \ echo " MERGE-DEP $(subst $(build_dir)/,,$(1))"; \ cat $(2) > $(1) @@ -162,32 +165,32 @@ inst_header_dir = $(CMD_PREFIX)mkdir -p $(1); \ cp -rf $(2) $(1) compile_cpp = $(CMD_PREFIX)mkdir -p `dirname $(1)`; \ echo " CPP $(subst $(build_dir)/,,$(1))"; \ - $(cpp) $(cppflags) $(2) | grep -v "\#" > $(1) + $(CPP) $(CPPFLAGS) $(2) | grep -v "\#" > $(1) compile_cc_dep = $(CMD_PREFIX)mkdir -p `dirname $(1)`; \ echo " CC-DEP $(subst $(build_dir)/,,$(1))"; \ echo -n `dirname $(1)`/ > $(1) && \ - $(cc) $(cflags) $(call dynamic_flags,$(1),$(2)) \ + $(CC) $(CFLAGS) $(call dynamic_flags,$(1),$(2)) \ -MM $(2) >> $(1) || rm -f $(1) compile_cc = $(CMD_PREFIX)mkdir -p `dirname $(1)`; \ echo " CC $(subst $(build_dir)/,,$(1))"; \ - $(cc) $(cflags) $(call dynamic_flags,$(1),$(2)) -c $(2) -o $(1) + $(CC) $(CFLAGS) $(call dynamic_flags,$(1),$(2)) -c $(2) -o $(1) compile_as_dep = $(CMD_PREFIX)mkdir -p `dirname $(1)`; \ echo " AS-DEP $(subst $(build_dir)/,,$(1))"; \ echo -n `dirname $(1)`/ > $(1) && \ - $(as) $(asflags) $(call dynamic_flags,$(1),$(2)) \ + $(AS) $(ASFLAGS) $(call dynamic_flags,$(1),$(2)) \ -MM $(2) >> $(1) || rm -f $(1) compile_as = $(CMD_PREFIX)mkdir -p `dirname $(1)`; \ echo " AS $(subst $(build_dir)/,,$(1))"; \ - $(as) $(asflags) $(call dynamic_flags,$(1),$(2)) -c $(2) -o $(1) + $(AS) $(ASFLAGS) $(call dynamic_flags,$(1),$(2)) -c $(2) -o $(1) compile_ld = $(CMD_PREFIX)mkdir -p `dirname $(1)`; \ echo " LD $(subst $(build_dir)/,,$(1))"; \ - $(ld) $(3) $(ldflags) -Wl,-T$(2) -o $(1) + $(CC) $(3) $(LDFLAGS) -Wl,-T$(2) -o $(1) compile_ar = $(CMD_PREFIX)mkdir -p `dirname $(1)`; \ echo " AR $(subst $(build_dir)/,,$(1))"; \ - $(ar) $(arflags) $(1) $(2) + $(AR) $(ARFLAGS) $(1) $(2) compile_objcopy = $(CMD_PREFIX)mkdir -p `dirname $(1)`; \ echo " OBJCOPY $(subst $(build_dir)/,,$(1))"; \ - $(objcopy) -S -O binary $(2) $(1) + $(OBJCOPY) -S -O binary $(2) $(1) targets-y = $(build_dir)/lib/libsbi.a ifdef PLATFORM |