machine-$(CONFIG_CPU_LITTLE_ENDIAN) += le
UTS_MACHINE := $(subst $(space),,$(machine-y))
-# XXX This needs to be before we override LD below
-ifdef CONFIG_PPC32
-KBUILD_LDFLAGS_MODULE += arch/powerpc/lib/crtsavres.o
-else
-ifeq ($(call ld-ifversion, -ge, 22500, y),y)
+ifeq ($(CONFIG_PPC64)$(CONFIG_LD_IS_BFD),yy)
# Have the linker provide sfpr if possible.
# There is a corresponding test in arch/powerpc/lib/Makefile
KBUILD_LDFLAGS_MODULE += --save-restore-funcs
else
KBUILD_LDFLAGS_MODULE += arch/powerpc/lib/crtsavres.o
endif
-endif
ifdef CONFIG_CPU_LITTLE_ENDIAN
KBUILD_CFLAGS += -mlittle-endian
endif
PHONY += checkbin
-# Check toolchain versions:
-# - gcc-4.6 is the minimum kernel-wide version so nothing required.
checkbin:
- @if test "x${CONFIG_LD_IS_LLD}" != "xy" -a \
- "x$(call ld-ifversion, -le, 22400, y)" = "xy" ; then \
- echo -n '*** binutils 2.24 miscompiles weak symbols ' ; \
- echo 'in some circumstances.' ; \
- echo '*** binutils 2.23 do not define the TOC symbol ' ; \
- echo -n '*** Please use a different binutils version.' ; \
- false ; \
- fi
@if test "x${CONFIG_FTRACE_MCOUNT_USE_RECORDMCOUNT}" = "xy" -a \
"x${CONFIG_LD_IS_BFD}" = "xy" -a \
"${CONFIG_LD_VERSION}" = "23700" ; then \
# 64-bit linker creates .sfpr on demand for final link (vmlinux),
# so it is only needed for modules, and only for older linkers which
# do not support --save-restore-funcs
-ifeq ($(call ld-ifversion, -lt, 22500, y),y)
+ifndef CONFIG_LD_IS_BFD
extra-$(CONFIG_PPC64) += crtsavres.o
endif
# ld-option
# Usage: KBUILD_LDFLAGS += $(call ld-option, -X, -Y)
ld-option = $(call try-run, $(LD) $(KBUILD_LDFLAGS) $(1) -v,$(1),$(2),$(3))
-
-# ld-ifversion
-# Usage: $(call ld-ifversion, -ge, 22252, y)
-ld-ifversion = $(shell [ $(CONFIG_LD_VERSION)0 $(1) $(2)0 ] && echo $(3) || echo $(4))