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| author | Nicholas Piggin <npiggin@gmail.com> | 2018-05-30 14:19:20 +0200 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2018-06-01 15:08:06 +0200 |
| commit | af3901cbbd3de182aafb8ee553c825c0074df6a2 (patch) | |
| tree | 75c1ca5a1601e16e069b6ee15049468afc11b83a | |
| parent | powerpc/kbuild: Set default generic machine type for 32-bit compile (diff) | |
| download | linux-af3901cbbd3de182aafb8ee553c825c0074df6a2.tar.xz linux-af3901cbbd3de182aafb8ee553c825c0074df6a2.zip | |
powerpc/kbuild: Remove CROSS32 defines from top level powerpc Makefile
Switch VDSO32 build over to use CROSS32_COMPILE directly, and have
it pass in -m32 after the standard c_flags. This allows endianness
overrides to be removed and the endian and bitness flags moved into
standard flags variables.
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
| -rw-r--r-- | arch/powerpc/Makefile | 7 | ||||
| -rw-r--r-- | arch/powerpc/boot/Makefile | 16 | ||||
| -rw-r--r-- | arch/powerpc/kernel/vdso32/Makefile | 15 |
3 files changed, 22 insertions, 16 deletions
diff --git a/arch/powerpc/Makefile b/arch/powerpc/Makefile index d628724087c6..167b26a0780c 100644 --- a/arch/powerpc/Makefile +++ b/arch/powerpc/Makefile @@ -17,13 +17,8 @@ HAS_BIARCH := $(call cc-option-yn, -m32) # Set default 32 bits cross compilers for vdso and boot wrapper CROSS32_COMPILE ?= -CROSS32CC := $(CROSS32_COMPILE)gcc -CROSS32AR := $(CROSS32_COMPILE)ar - ifeq ($(HAS_BIARCH),y) ifeq ($(CROSS32_COMPILE),) -CROSS32CC := $(CC) -m32 -KBUILD_ARFLAGS += --target=elf32-powerpc ifdef CONFIG_PPC32 # These options will be overridden by any -mcpu option that the CPU # or platform code sets later on the command line, but they are needed @@ -35,8 +30,6 @@ endif endif endif -export CROSS32CC CROSS32AR - ifeq ($(CROSS_COMPILE),) KBUILD_DEFCONFIG := $(shell uname -m)_defconfig else diff --git a/arch/powerpc/boot/Makefile b/arch/powerpc/boot/Makefile index 26d5d2a5b8e9..49767e06202c 100644 --- a/arch/powerpc/boot/Makefile +++ b/arch/powerpc/boot/Makefile @@ -23,19 +23,23 @@ all: $(obj)/zImage compress-$(CONFIG_KERNEL_GZIP) := CONFIG_KERNEL_GZIP compress-$(CONFIG_KERNEL_XZ) := CONFIG_KERNEL_XZ +ifdef CROSS32_COMPILE + BOOTCC := $(CROSS32_COMPILE)gcc + BOOTAR := $(CROSS32_COMPILE)ar +else + BOOTCC := $(CC) + BOOTAR := $(AR) +endif + BOOTCFLAGS := -Wall -Wundef -Wstrict-prototypes -Wno-trigraphs \ -fno-strict-aliasing -Os -msoft-float -pipe \ -fomit-frame-pointer -fno-builtin -fPIC -nostdinc \ -D$(compress-y) -BOOTCC := $(CC) ifdef CONFIG_PPC64_BOOT_WRAPPER BOOTCFLAGS += -m64 else BOOTCFLAGS += -m32 -ifdef CROSS32_COMPILE - BOOTCC := $(CROSS32_COMPILE)gcc -endif endif BOOTCFLAGS += -isystem $(shell $(BOOTCC) -print-file-name=include) @@ -49,6 +53,8 @@ endif BOOTAFLAGS := -D__ASSEMBLY__ $(BOOTCFLAGS) -traditional -nostdinc +BOOTARFLAGS := -cr$(KBUILD_ARFLAGS) + ifdef CONFIG_DEBUG_INFO BOOTCFLAGS += -g endif @@ -202,7 +208,7 @@ quiet_cmd_bootas = BOOTAS $@ cmd_bootas = $(BOOTCC) -Wp,-MD,$(depfile) $(BOOTAFLAGS) -c -o $@ $< quiet_cmd_bootar = BOOTAR $@ - cmd_bootar = $(CROSS32AR) -cr$(KBUILD_ARFLAGS) $@.$$$$ $(filter-out FORCE,$^); mv $@.$$$$ $@ + cmd_bootar = $(BOOTAR) $(BOOTARFLAGS) $@.$$$$ $(filter-out FORCE,$^); mv $@.$$$$ $@ $(obj-libfdt): $(obj)/%.o: $(srctree)/scripts/dtc/libfdt/%.c FORCE $(call if_changed_dep,bootcc) diff --git a/arch/powerpc/kernel/vdso32/Makefile b/arch/powerpc/kernel/vdso32/Makefile index b8c434d1d459..50112d4473bb 100644 --- a/arch/powerpc/kernel/vdso32/Makefile +++ b/arch/powerpc/kernel/vdso32/Makefile @@ -8,8 +8,15 @@ obj-vdso32 = sigtramp.o gettimeofday.o datapage.o cacheflush.o note.o \ # Build rules -ifeq ($(CONFIG_PPC32),y) -CROSS32CC := $(CC) +ifdef CROSS32_COMPILE + VDSOCC := $(CROSS32_COMPILE)gcc +else + VDSOCC := $(CC) +endif + +CC32FLAGS := +ifdef CONFIG_PPC64 +CC32FLAGS += -m32 endif targets := $(obj-vdso32) vdso32.so vdso32.so.dbg @@ -45,9 +52,9 @@ $(obj-vdso32): %.o: %.S FORCE # actual build commands quiet_cmd_vdso32ld = VDSO32L $@ - cmd_vdso32ld = $(CROSS32CC) $(c_flags) -o $@ -Wl,-T$(filter %.lds,$^) $(filter %.o,$^) + cmd_vdso32ld = $(VDSOCC) $(c_flags) $(CC32FLAGS) -o $@ -Wl,-T$(filter %.lds,$^) $(filter %.o,$^) quiet_cmd_vdso32as = VDSO32A $@ - cmd_vdso32as = $(CROSS32CC) $(a_flags) -c -o $@ $< + cmd_vdso32as = $(VDSOCC) $(a_flags) $(CC32FLAGS) -c -o $@ $< # install commands for the unstripped file quiet_cmd_vdso_install = INSTALL $@ |