boilerplate.mk 3.31 KB
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default: all

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HAVE_EVAL := NO
$(eval HAVE_EVAL := YES)

ifeq "$(HAVE_EVAL)" "NO"
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$(error Your make does not support eval. You need GNU make >= 3.81)
endif

ifeq "$(abspath /)" ""
$(error Your make does not support abspath. You need GNU make >= 3.81)
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endif

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show:
	@echo '$(VALUE)="$($(VALUE))"'

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define canonicalise
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# $1 = path variable
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$1_CYGPATH := $$(shell $(SHELL) -c "cygpath -m '$$($1)'" 2> /dev/null)
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ifneq "$$($1_CYGPATH)" ""
$1 := $$($1_CYGPATH)
endif
endef

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define canonicaliseExecutable
# $1 = program path variable
ifneq "$$(wildcard $$($1).exe)" ""
$1 := $$($1).exe
endif
$(call canonicalise,$1)
endef

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define get-ghc-rts-field # $1 = rseult variable, $2 = field name
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$1 := $$(shell '$$(TEST_HC)' +RTS --info | grep '^ .("$2",' | tr -d '\r' | sed -e 's/.*", *"//' -e 's/")$$$$//')
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endef

define get-ghc-field # $1 = rseult variable, $2 = field name
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$1 := $$(shell '$$(TEST_HC)' --info | grep '^ .("$2",' | tr -d '\r' | sed -e 's/.*", *"//' -e 's/")$$$$//')
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endef

define get-ghc-feature-bool # $1 = rseult variable, $2 = field name
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SHELL_RES := $$(shell '$$(TEST_HC)' --info | grep '^ .("$2",' | tr -d '\r' | sed -e 's/.*", *"//' -e 's/")$$$$//')
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$1 := $$(strip \
	  $$(if $$(SHELL_RES), \
         $$(if $$(subst YES,,$$(SHELL_RES)), \
            $$(if $$(subst NO,,$$(SHELL_RES)), \
               $$(warning ghc info field not YES or NO: $2: $$(SHELL_RES)), \
               NO), \
            YES), \
         $$(warning ghc info field not found: $2)))
endef

ifeq "$(TEST_HC)" ""

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STAGE1_GHC := $(abspath $(TOP)/../inplace/bin/ghc-stage1)
STAGE2_GHC := $(abspath $(TOP)/../inplace/bin/ghc-stage2)
STAGE3_GHC := $(abspath $(TOP)/../inplace/bin/ghc-stage3)
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ifneq "$(wildcard $(STAGE1_GHC) $(STAGE1_GHC).exe)" ""
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ifeq "$(BINDIST)" "YES"
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ifeq '$(shell $(STAGE1_GHC) +RTS --info | grep "^ ..\"Host OS\". \"mingw32\".$$")' ''
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TEST_HC := $(abspath $(TOP)/../)/bindisttest/installed/bin/ghc
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else
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TEST_HC := $(abspath $(TOP)/../)/bindisttest/install dir/bin/ghc.exe
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endif
else ifeq "$(stage)" "1"
TEST_HC := $(STAGE1_GHC)
else ifeq "$(stage)" "3"
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TEST_HC := $(STAGE3_GHC)
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else
# use stage2 by default
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TEST_HC := $(STAGE2_GHC)
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endif

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else
TEST_HC := $(shell which ghc)
endif

endif
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# We can't use $(dir ...) here as TEST_HC might be in a path
# containing spaces
BIN_ROOT = $(shell dirname '$(TEST_HC)')
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ifeq "$(GHC_PKG)" ""
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GHC_PKG := $(BIN_ROOT)/ghc-pkg
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endif
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ifeq "$(HSC2HS)" ""
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HSC2HS := $(BIN_ROOT)/hsc2hs
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endif

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ifeq "$(HP2PS_ABS)" ""
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HP2PS_ABS := $(BIN_ROOT)/hp2ps
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endif

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ifeq "$(HPC)" ""
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HPC := $(BIN_ROOT)/hpc
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endif

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ifeq "$(shell test -e '$(TEST_HC)' && echo exists)" ""
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$(error Cannot find ghc: $(TEST_HC))
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endif
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$(eval $(call canonicaliseExecutable,GHC_PKG))
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ifeq "$(shell test -e '$(GHC_PKG)' && echo exists)" ""
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$(error Cannot find ghc-pkg: $(GHC_PKG))
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endif
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$(eval $(call canonicaliseExecutable,HSC2HS))
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ifeq "$(shell test -e '$(HSC2HS)' && echo exists)" ""
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$(error Cannot find hsc2hs: $(HSC2HS))
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endif

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$(eval $(call canonicaliseExecutable,HP2PS_ABS))
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ifeq "$(shell test -e '$(HP2PS_ABS)' && echo exists)" ""
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$(error Cannot find hp2ps: $(HP2PS_ABS))
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endif

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$(eval $(call canonicaliseExecutable,HPC))
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ifeq "$(shell test -e '$(HPC)' && echo exists)" ""
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$(error Cannot find hpc: $(HPC))
endif

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$(eval $(call get-ghc-field,GhcRTSWays,RTS ways))

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TOP_ABS := $(abspath $(TOP))
$(eval $(call canonicalise,TOP_ABS))

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GS = gs
CP = cp
RM = rm -f
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PYTHON = python
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