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- ################################################################################
- #
- # definition of the toolchain wrapper build commands
- #
- ################################################################################
- # We use --hash-style=both to increase the compatibility of the generated
- # binary with older platforms, except for MIPS, where the only acceptable
- # hash style is 'sysv'
- ifeq ($(findstring mips,$(HOSTARCH)),mips)
- TOOLCHAIN_WRAPPER_HASH_STYLE = sysv
- else
- TOOLCHAIN_WRAPPER_HASH_STYLE = both
- endif
- TOOLCHAIN_WRAPPER_ARGS = $($(PKG)_TOOLCHAIN_WRAPPER_ARGS)
- TOOLCHAIN_WRAPPER_ARGS += -DBR_SYSROOT='"$(STAGING_SUBDIR)"'
- # We create a list like '"-mfoo", "-mbar", "-mbarfoo"' so that each flag is a
- # separate argument when used in execv() by the toolchain wrapper.
- TOOLCHAIN_WRAPPER_OPTS = \
- $(foreach f,$(call qstrip,$(BR2_TARGET_OPTIMIZATION)),"$(f)"$(comma))
- TOOLCHAIN_WRAPPER_ARGS += -DBR_ADDITIONAL_CFLAGS='$(TOOLCHAIN_WRAPPER_OPTS)'
- ifeq ($(BR2_CCACHE),y)
- TOOLCHAIN_WRAPPER_ARGS += -DBR_CCACHE
- endif
- ifeq ($(BR2_x86_x1000),y)
- TOOLCHAIN_WRAPPER_ARGS += -DBR_OMIT_LOCK_PREFIX
- endif
- # Avoid FPU bug on XBurst CPUs
- ifeq ($(BR2_mips_xburst),y)
- # Before gcc 4.6, -mno-fused-madd was needed, after -ffp-contract is
- # needed
- ifeq ($(BR2_TOOLCHAIN_GCC_AT_LEAST_4_6),y)
- TOOLCHAIN_WRAPPER_ARGS += -DBR_FP_CONTRACT_OFF
- else
- TOOLCHAIN_WRAPPER_ARGS += -DBR_NO_FUSED_MADD
- endif
- endif
- ifeq ($(BR2_CCACHE_USE_BASEDIR),y)
- TOOLCHAIN_WRAPPER_ARGS += -DBR_CCACHE_BASEDIR='"$(BASE_DIR)"'
- endif
- define TOOLCHAIN_WRAPPER_BUILD
- $(HOSTCC) $(HOST_CFLAGS) $(TOOLCHAIN_WRAPPER_ARGS) \
- -s -Wl,--hash-style=$(TOOLCHAIN_WRAPPER_HASH_STYLE) \
- toolchain/toolchain-wrapper.c \
- -o $(@D)/toolchain-wrapper
- endef
- define TOOLCHAIN_WRAPPER_INSTALL
- $(INSTALL) -D -m 0755 $(@D)/toolchain-wrapper \
- $(HOST_DIR)/bin/toolchain-wrapper
- endef
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