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f6ae24379b
The toolchain wrapper will be reused for the internal toolchain, so it belongs in the toolchain directory. Also, the ext- prefix is removed from it. The build commands are moved to a new toolchain-wrapper.mk. The wrapper arguments that are also relevant for the internal toolchain wrapper are moved to toolchain-wrapper.mk, the rest stays in toolchain-external.mk. While we're at it, move the building of the toolchain wrapper to the build step of toolchain-external. There is no specific reason to do this, other than that it fits better semantically. Also remove the MESSAGE call, otherwise we'd see: >>> toolchain-external undefined Building >>> toolchain-external undefined Building toolchain wrapper /usr/bin/gcc ... Having an extra "Building toolchain wrapper' message is pointless. The useless condition on $(BR2_TARGET_OPTIMIZATION) is removed. It was always true because it wasn't qstrip'ped first, so clearly it works without that condition as well. Also rewrapped some comments and removed the 'external' reference. Signed-off-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be> Cc: Fabio Porcedda <fabio.porcedda@gmail.com> Cc: Jérôme Oufella <jerome.oufella@savoirfairelinux.com> Reviewed-by: Romain Naour <romain.naour@openwide.fr> Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
27 lines
1.0 KiB
Makefile
27 lines
1.0 KiB
Makefile
# This file contains the definition of the toolchain wrapper build commands
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# We use --hash-style=both to increase the compatibility of the generated
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# binary with older platforms, except for MIPS, where the only acceptable
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# hash style is 'sysv'
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ifeq ($(findstring mips,$(HOSTARCH)),mips)
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TOOLCHAIN_WRAPPER_HASH_STYLE = sysv
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else
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TOOLCHAIN_WRAPPER_HASH_STYLE = both
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endif
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TOOLCHAIN_WRAPPER_ARGS = $($(PKG)_TOOLCHAIN_WRAPPER_ARGS)
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TOOLCHAIN_WRAPPER_ARGS += -DBR_SYSROOT='"$(STAGING_SUBDIR)"'
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# We create a list like '"-mfoo", "-mbar", "-mbarfoo"' so that each flag is a
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# separate argument when used in execv() by the toolchain wrapper.
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TOOLCHAIN_WRAPPER_ARGS += -DBR_ADDITIONAL_CFLAGS='$(foreach f,$(call qstrip,$(BR2_TARGET_OPTIMIZATION)),"$(f)",)'
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# For simplicity, build directly into the install location
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define TOOLCHAIN_BUILD_WRAPPER
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$(Q)mkdir -p $(HOST_DIR)/usr/bin
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$(HOSTCC) $(HOST_CFLAGS) $(TOOLCHAIN_WRAPPER_ARGS) \
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-s -Wl,--hash-style=$(TOOLCHAIN_WRAPPER_HASH_STYLE) \
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toolchain/toolchain-wrapper.c \
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-o $(HOST_DIR)/usr/bin/toolchain-wrapper
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endef
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