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50 lines
1.7 KiB
Makefile
50 lines
1.7 KiB
Makefile
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# Monorepo makefile: redirect to project-specific .mk for B&I logic.
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ifeq "$(RC_ProjectName)" ""
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define NEWLINE
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endef
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projects := $(sort $(patsubst apple-xbs-support/%.mk,%, \
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$(wildcard apple-xbs-support/*.mk)))
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$(error "RC_ProjectName not set, try one of:"$(NEWLINE)$(NEWLINE) \
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$(foreach p,$(projects),$$ make RC_ProjectName=$p$(NEWLINE)) \
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$(NEWLINE))
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endif
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ifeq "$(SRCROOT)" ""
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$(error "SRCROOT not set")
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endif
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# Note: APPLE_XBS_SUPPORT_MK is a lazy variable ('=' instead of ':=') that
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# tracks the value of APPLE_XBS_SUPPORT_COMPUTED_RC_ProjectName.
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APPLE_XBS_SUPPORT_COMPUTED_RC_ProjectName := $(RC_ProjectName)
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APPLE_XBS_SUPPORT_MK = \
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apple-xbs-support/$(APPLE_XBS_SUPPORT_COMPUTED_RC_ProjectName).mk
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# Note: APPLE_XBS_SUPPORT_VARIANT_PREFIX is a lazy variable ('=' instead of
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# ':=') that tracks the value of APPLE_XBS_SUPPORT_VARIANT.
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APPLE_XBS_SUPPORT_VARIANT :=
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APPLE_XBS_SUPPORT_VARIANT_PREFIX = \
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$(if $(APPLE_XBS_SUPPORT_VARIANT),$(APPLE_XBS_SUPPORT_VARIANT)_,)
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# Check if there is a .mk file for this project name.
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ifeq "$(shell stat $(APPLE_XBS_SUPPORT_MK) 2>/dev/null)" ""
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# Not found. If there's an underscore, try dropping the prefix.
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ifneq "$(words $(subst _, ,$(RC_ProjectName)))" "1"
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APPLE_XBS_SUPPORT_VARIANT := $(word 1,$(subst _, ,$(RC_ProjectName)))
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APPLE_XBS_SUPPORT_COMPUTED_RC_ProjectName := \
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$(subst ^$(APPLE_XBS_SUPPORT_VARIANT_PREFIX),,^$(RC_ProjectName))
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ifeq "$(shell stat $(APPLE_XBS_SUPPORT_MK) 2>/dev/null)" ""
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# Still not found... revert to original to avoid bad error messages.
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APPLE_XBS_SUPPORT_COMPUTED_RC_ProjectName := $(RC_ProjectName)
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APPLE_XBS_SUPPORT_VARIANT :=
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endif
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endif
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endif
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$(info $(RC_ProjectName) => $(APPLE_XBS_SUPPORT_MK))
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include $(APPLE_XBS_SUPPORT_MK)
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