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| author | Rodrigo R. Galvao <rosattig@linux.vnet.ibm.com> | 2018-08-06 19:42:03 +0300 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2018-08-07 17:32:36 +0300 |
| commit | badf436f6fa5dc864d579d73fe75386b743470c0 (patch) | |
| tree | b70be73b661b5acc8d1c84cd315773164a6d5b49 /arch/powerpc/Makefile | |
| parent | f8db2007ff5838aff696bd4297eefcc77af2cf46 (diff) | |
| download | linux-badf436f6fa5dc864d579d73fe75386b743470c0.tar.xz | |
powerpc/Makefiles: Convert ifeq to ifdef where possible
In Makefiles if we're testing a CONFIG_FOO symbol for equality with 'y'
we can instead just use ifdef. The latter reads easily, so convert to
it where possible.
Signed-off-by: Rodrigo R. Galvao <rosattig@linux.vnet.ibm.com>
Reviewed-by: Mauro S. M. Rodrigues <maurosr@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'arch/powerpc/Makefile')
| -rw-r--r-- | arch/powerpc/Makefile | 26 |
1 files changed, 13 insertions, 13 deletions
diff --git a/arch/powerpc/Makefile b/arch/powerpc/Makefile index 48e887f03a6c..ccb64750eb6a 100644 --- a/arch/powerpc/Makefile +++ b/arch/powerpc/Makefile @@ -36,7 +36,7 @@ else KBUILD_DEFCONFIG := ppc64_defconfig endif -ifeq ($(CONFIG_PPC64),y) +ifdef CONFIG_PPC64 new_nm := $(shell if $(NM) --help 2>&1 | grep -- '--synthetic' > /dev/null; then echo y; else echo n; fi) ifeq ($(new_nm),y) @@ -74,7 +74,7 @@ KBUILD_LDFLAGS_MODULE += arch/powerpc/lib/crtsavres.o endif endif -ifeq ($(CONFIG_CPU_LITTLE_ENDIAN),y) +ifdef CONFIG_CPU_LITTLE_ENDIAN KBUILD_CFLAGS += -mlittle-endian LDFLAGS += -EL LDEMULATION := lppc @@ -117,7 +117,7 @@ LDFLAGS_vmlinux-$(CONFIG_RELOCATABLE) := -pie LDFLAGS_vmlinux := $(LDFLAGS_vmlinux-y) LDFLAGS_vmlinux += $(call ld-option,--orphan-handling=warn) -ifeq ($(CONFIG_PPC64),y) +ifdef CONFIG_PPC64 ifeq ($(call cc-option-yn,-mcmodel=medium),y) # -mcmodel=medium breaks modules because it uses 32bit offsets from # the TOC pointer to create pointers where possible. Pointers into the @@ -134,7 +134,7 @@ endif endif CFLAGS-$(CONFIG_PPC64) := $(call cc-option,-mtraceback=no) -ifeq ($(CONFIG_CPU_LITTLE_ENDIAN),y) +ifdef CONFIG_CPU_LITTLE_ENDIAN CFLAGS-$(CONFIG_PPC64) += $(call cc-option,-mabi=elfv2,$(call cc-option,-mcall-aixdesc)) AFLAGS-$(CONFIG_PPC64) += $(call cc-option,-mabi=elfv2) else @@ -148,8 +148,8 @@ CFLAGS-$(CONFIG_PPC64) += $(call cc-option,-mno-pointers-to-nested-functions) CFLAGS-$(CONFIG_PPC32) := -ffixed-r2 $(MULTIPLEWORD) CFLAGS-$(CONFIG_PPC32) += $(call cc-option,-mno-readonly-in-sdata) -ifeq ($(CONFIG_PPC_BOOK3S_64),y) -ifeq ($(CONFIG_CPU_LITTLE_ENDIAN),y) +ifdef CONFIG_PPC_BOOK3S_64 +ifdef CONFIG_CPU_LITTLE_ENDIAN CFLAGS-$(CONFIG_GENERIC_CPU) += -mcpu=power8 CFLAGS-$(CONFIG_GENERIC_CPU) += $(call cc-option,-mtune=power9,-mtune=power8) else @@ -173,7 +173,7 @@ CFLAGS-$(CONFIG_POWER9_CPU) += $(call cc-option,-mcpu=power9) CFLAGS-$(CONFIG_PPC_8xx) += $(call cc-option,-mcpu=860) # Altivec option not allowed with e500mc64 in GCC. -ifeq ($(CONFIG_ALTIVEC),y) +ifdef CONFIG_ALTIVEC E5500_CPU := -mcpu=powerpc64 else E5500_CPU := $(call cc-option,-mcpu=e500mc64,-mcpu=powerpc64) @@ -181,8 +181,8 @@ endif CFLAGS-$(CONFIG_E5500_CPU) += $(E5500_CPU) CFLAGS-$(CONFIG_E6500_CPU) += $(call cc-option,-mcpu=e6500,$(E5500_CPU)) -ifeq ($(CONFIG_PPC32),y) -ifeq ($(CONFIG_PPC_E500MC),y) +ifdef CONFIG_PPC32 +ifdef CONFIG_PPC_E500MC CFLAGS-y += $(call cc-option,-mcpu=e500mc,-mcpu=powerpc) else CFLAGS-$(CONFIG_E500) += $(call cc-option,-mcpu=8540 -msoft-float,-mcpu=powerpc) @@ -204,7 +204,7 @@ else CHECKFLAGS += -D__LITTLE_ENDIAN__ endif -ifeq ($(CONFIG_476FPE_ERR46),y) +ifdef CONFIG_476FPE_ERR46 KBUILD_LDFLAGS_MODULE += --ppc476-workaround \ -T $(srctree)/arch/powerpc/platforms/44x/ppc476_modules.lds endif @@ -231,12 +231,12 @@ KBUILD_CFLAGS += $(call cc-option,-fno-dwarf2-cfi-asm) # often slow when they are implemented at all KBUILD_CFLAGS += $(call cc-option,-mno-string) -ifeq ($(CONFIG_6xx),y) +ifdef CONFIG_6xx KBUILD_CFLAGS += -mcpu=powerpc endif # Work around a gcc code-gen bug with -fno-omit-frame-pointer. -ifeq ($(CONFIG_FUNCTION_TRACER),y) +ifdef CONFIG_FUNCTION_TRACER KBUILD_CFLAGS += -mno-sched-epilog endif @@ -395,7 +395,7 @@ install: $(Q)$(MAKE) $(build)=$(boot) install vdso_install: -ifeq ($(CONFIG_PPC64),y) +ifdef CONFIG_PPC64 $(Q)$(MAKE) $(build)=arch/$(ARCH)/kernel/vdso64 $@ endif $(Q)$(MAKE) $(build)=arch/$(ARCH)/kernel/vdso32 $@ |