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# -----------------------------------------------------------------------------
#
# (c) 2009 The University of Glasgow
#
# This file is part of the GHC build system.
#
# To understand how the build system works and how to modify it, see
# http://ghc.haskell.org/trac/ghc/wiki/Building/Architecture
# http://ghc.haskell.org/trac/ghc/wiki/Building/Modifying
#
# -----------------------------------------------------------------------------
# Bootstrapping ghc-cabal
# Euch, hideous hack:
# XXX This should be in a different Makefile
CABAL_DOTTED_VERSION := $(shell grep "^version:" libraries/Cabal/Cabal/Cabal.cabal | sed "s/^version: *//")
CABAL_VERSION := $(subst .,$(comma),$(CABAL_DOTTED_VERSION))
CABAL_CONSTRAINT := --constraint="Cabal == $(CABAL_DOTTED_VERSION)"
# Starting with GHC 8.0 we make use of GHC's native ability to
# generate MIN_VERSION_<pkgname>() CPP macros (rather than relying on
# the fragile `cabal_macros_boot.h` hack). The generation of those
# macros is triggered by `-hide-all-packages`, so we have to explicitly
# enumerate all packages we need in scope. In order to simplify the logic,
# we pass `-hide-all-packages` also to GHCs < 8, and we include
# `cabal_macros_boot.h` also for GHC >= 8 (in which case it becomes a
# dummy include that doesn't contribute any macro definitions).
ifeq "$(Windows_Host)" "YES"
CABAL_BUILD_DEPS := base array time containers bytestring deepseq process pretty directory Win32
else
CABAL_BUILD_DEPS := base array time containers bytestring deepseq process pretty directory unix
endif
ghc-cabal_DIST_BINARY_NAME = ghc-cabal$(exeext0)
ghc-cabal_DIST_BINARY = utils/ghc-cabal/dist/build/tmp/$(ghc-cabal_DIST_BINARY_NAME)
ghc-cabal_INPLACE = inplace/bin/$(ghc-cabal_DIST_BINARY_NAME)
ifneq "$(BINDIST)" "YES"
$(ghc-cabal_INPLACE) : $(ghc-cabal_DIST_BINARY) | $$(dir $$@)/.
"$(CP)" $< $@
$(ghc-cabal_DIST_BINARY): $(wildcard libraries/Cabal/Cabal/Distribution/*/*/*.hs)
$(ghc-cabal_DIST_BINARY): $(wildcard libraries/Cabal/Cabal/Distribution/*/*.hs)
$(ghc-cabal_DIST_BINARY): $(wildcard libraries/Cabal/Cabal/Distribution/*.hs)
$(ghc-cabal_DIST_BINARY): utils/ghc-cabal/Main.hs $(TOUCH_DEP) | $$(dir $$@)/. bootstrapping/.
"$(GHC)" $(SRC_HC_OPTS) \
$(addprefix -optc, $(SRC_CC_OPTS) $(CONF_CC_OPTS_STAGE0)) \
$(addprefix -optl, $(SRC_LD_OPTS) $(CONF_GCC_LINKER_OPTS_STAGE0)) \
-hide-all-packages \
$(addprefix -package , $(CABAL_BUILD_DEPS)) \
--make utils/ghc-cabal/Main.hs -o $@ \
-no-user-$(GHC_PACKAGE_DB_FLAG) \
-Wall -fno-warn-unused-imports -fno-warn-warnings-deprecations \
-DCABAL_VERSION=$(CABAL_VERSION) \
-DMIN_VERSION_binary_0_8_0 \
-DBOOTSTRAPPING \
-optP-include -optPutils/ghc-cabal/cabal_macros_boot.h \
-odir bootstrapping \
-hidir bootstrapping \
-ilibraries/Cabal/Cabal \
-ilibraries/binary/src \
-ilibraries/filepath \
-ilibraries/hpc \
$(utils/ghc-cabal_dist_EXTRA_HC_OPTS) \
$(EXTRA_HC_OPTS)
"$(TOUCH_CMD)" $@
endif
# touch is required, because otherwise if mkdirhier is newer, we
# repeatedly rebuild ghc-cabal.
$(eval $(call clean-target,utils/ghc-cabal,dist,\
utils/ghc-cabal/dist bootstrapping))
$(eval $(call all-target,utils/ghc-cabal,$(ghc-cabal_INPLACE)))
# -----------------------------------------------------------------------------
# Now make another copy that goes in bindists. This needs to be built
# with the in-tree compiler.
utils/ghc-cabal_USES_CABAL = YES
utils/ghc-cabal_PACKAGE = ghc-cabal
utils/ghc-cabal_dist-install_PROGNAME = ghc-cabal
utils/ghc-cabal_dist-install_INSTALL_INPLACE = NO
utils/ghc-cabal_dist-install_WANT_BINDIST_WRAPPER = YES
utils/ghc-cabal_dist-install_MODULES = Main
$(eval $(call build-prog,utils/ghc-cabal,dist-install,1))
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