File: rules

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ghc 8.8.4-2
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#!/usr/bin/make -f
# Sample debian/rules that uses debhelper.
# This file is public domain software, originally written by Joey Hess.
#
# This version is for a multibinary package. It also allows you to build any
# of the binary packages independantly, via binary-<package> targets.

# Uncomment this to turn on verbose mode.
#export DH_VERBOSE=1

# # Set default flags with dpkg-buildflags
# # This might also close #712228
# export DEB_BUILD_MAINT_OPTIONS = hardening=+all
# DPKG_EXPORT_BUILDFLAGS = 1
# include /usr/share/dpkg/buildflags.mk

# Set a dummy HOME variable upon build. Some build daemons do not set HOME, but
# ghc-cabal expects it to be available.
export HOME = /homedoesnotexistatbuildtime

# From /usr/share/doc/autotools-dev/examples/rules.gz:
export DEB_HOST_GNU_TYPE  ?= $(shell dpkg-architecture -qDEB_HOST_GNU_TYPE)
export DEB_BUILD_GNU_TYPE ?= $(shell dpkg-architecture -qDEB_BUILD_GNU_TYPE)
export DEB_HOST_ARCH      ?= $(shell dpkg-architecture -qDEB_HOST_ARCH)
export DEB_TARGET_ARCH_ENDIAN	?= $(shell dpkg-architecture -qDEB_TARGET_ARCH_ENDIAN)

# We're cross-building if DEB_BUILD_GNU_TYPE != DEB_HOST_GNU_TYPE
ifneq ($(DEB_BUILD_GNU_TYPE), $(DEB_HOST_GNU_TYPE))
  EXTRA_CONFIGURE_FLAGS += --host $(DEB_BUILD_GNU_TYPE) --build $(DEB_BUILD_GNU_TYPE) --target $(DEB_HOST_GNU_TYPE) --enable-unregisterised
  BUILD_CROSS=YES
else
  EXTRA_CONFIGURE_FLAGS += --target $(DEB_HOST_GNU_TYPE)
  BUILD_CROSS=NO
endif

ProjectVersion=$(shell cat VERSION)

export GHC=$(firstword $(shell bash -c "type -p ghc"))

DEB_HOOGLE_TXT_DIR = /usr/lib/ghc-doc/hoogle/

ifneq (,$(filter powerpcspe x32, $(DEB_HOST_ARCH)))
  EXTRA_CONFIGURE_FLAGS += --enable-unregisterised
endif

# Use system's default ld (ld.bfd) rather than ld.gold, which fails for
# haskell-cryptohash-sha256 on mips/mipsel. For more information, see
# https://bugs.debian.org/901947
# NOTE: This should probably be removed, and revert back to using ld.gold,
# once #901947 has been fixed.
# Do the same for powerpcspe, due to https://bugs.debian.org/904915
# Do the same for sparc64, due to https://bugs.debian.org/908998
ifneq (,$(filter mips mipsel powerpc powerpcspe sparc64, $(DEB_HOST_ARCH)))
  EXTRA_CONFIGURE_FLAGS += --disable-ld-override
endif

%:
ifneq (,$(filter s390x arm64 armhf, $(DEB_HOST_ARCH)))
	# Build fails with out-of-memory on Ubuntu's s390x builders.
	# Setting `ggc-min-expand=10` doesn't solve this.
	# For now, reduce number of parallel jobs.
	dh $@ --max-parallel=2
else
	dh $@
endif


override_dh_autoreconf:
	dh_autoreconf perl -- boot

override_dh_auto_configure:
	echo "SRC_HC_OPTS += -lffi -optl-pthread" >> mk/build.mk
ifeq (NO,$(BUILD_CROSS))
	echo "HADDOCK_DOCS := YES" >> mk/build.mk
	echo "EXTRA_HADDOCK_OPTS += --mathjax=file:///usr/share/javascript/mathjax/MathJax.js" >> mk/build.mk
	echo "XSLTPROC_OPTS += --nonet" >> mk/build.mk
else
	echo "SRC_HC_OPTS += -O0 -H64m" >> mk/build.mk
	echo "GhcStage1HcOpts = -O" >> mk/build.mk
	echo "GhcStage2HcOpts = -O0" >> mk/build.mk
	echo "GhcLibHcOpts = -O" >> mk/build.mk
	echo "SplitObjs = NO" >> mk/build.mk
	echo "HADDOCK_DOCS := NO" >> mk/build.mk
	echo "BUILD_SPHINX_HTML := NO" >> mk/build.mk
	echo "BUILD_SPHINX_PDF := NO" >> mk/build.mk
endif
ifeq (armhf,$(DEB_HOST_ARCH))
	echo "SRC_HC_OPTS += -D__ARM_PCS_VFP" >> mk/build.mk
endif
ifeq (big, $(DEB_TARGET_ARCH_ENDIAN))
	# See https://gitlab.haskell.org/ghc/ghc/issues/16998
	patch -p1 < debian/patches/Disable-unboxed-arrays.patch
endif
ifneq (,$(filter mips mipsel s390x, $(DEB_HOST_ARCH)))
	echo "SRC_HC_OPTS     += -optc--param -optcggc-min-expand=10" >> mk/build.mk
endif
ifneq (,$(filter mips64el, $(DEB_HOST_ARCH)))
	# Pass -mxgot to fix relocation linker errors
	echo "compiler/hsSyn/HsInstances_HC_OPTS += -optc-mxgot" >> mk/build.mk
endif
ifeq (x32,$(DEB_HOST_ARCH))
	echo "INTEGER_LIBRARY = integer-simple" >> mk/build.mk
endif
ifneq (,$(filter nostrip, $(DEB_BUILD_OPTIONS)))
#	echo "GhcStage1HcOpts += -DDEBUG" >> mk/build.mk
#	echo "GhcStage2HcOpts += -DDEBUG" >> mk/build.mk
	echo "SRC_HC_OPTS   += -H32m -O0" >> mk/build.mk
	echo "GhcHcOpts     += -Rghc-timing -DDEBUG" >> mk/build.mk
#	echo "GhcLibHcOpts  += -O -dcore-lint -keep-hc-files " >> mk/build.mk
	echo "SplitObjs     = NO" >> mk/build.mk
	echo "STRIP         = :" >> mk/build.mk
endif
ifneq (,$(filter noopt, $(DEB_BUILD_OPTIONS)))
	echo "SRC_HC_OPTS   += -H32m -O0" >> mk/build.mk
	echo "GhcHcOpts     += -O0" >> mk/build.mk
	# This breaks the build - to be investigated:
	# echo "GhcLibHcOpts  += -O0" >> mk/build.mk
	echo "GhcRtsCcOpts  += -O0" >> mk/build.mk
endif
ifneq (,$(filter alpha m68k mipsel hppa sh4 x32, $(DEB_HOST_ARCH)))
	# Virtual memory exhausted when trying to build unregisterised compiler on
	# 32-bit targets. Disable optimizations for compiler/hsSyn/HsInstances.hs.
	# See https://bugs.debian.org/933968
	# See https://gitlab.haskell.org/ghc/ghc/issues/17048
	echo "compiler/hsSyn/HsInstances_HC_OPTS += -O0" >> mk/build.mk
endif
	# We also want to build the threaded profiling-enabled debug runtime,
	# because it does no harm
	echo 'GhcRTSWays += $$(if $$(filter p, $$(GhcLibWays)),thr_debug_p,)' >> mk/build.mk

	# We can't do this with a configure flag in 6.8.1 as libdir is not
	# defined at the point at which we := it
	echo 'ghclibdir := $${libdir}/ghc' >> mk/build.mk
	echo 'bindir  := /usr/bin' >> mk/build.mk
	# docdir doesn't have a configure flag, and unfortunately
	# we also need to explicitly define all of its dependents as they
	# are set with :=
	echo 'docdir  := $$(datarootdir)/doc/ghc-doc' >> mk/build.mk
	echo 'htmldir := $$(docdir)'                   >> mk/build.mk
	echo 'dvidir  := $$(docdir)'                   >> mk/build.mk
	echo 'pdfdir  := $$(docdir)'                   >> mk/build.mk
	echo 'psdir   := $$(docdir)'                   >> mk/build.mk
	echo 'STRIP_CMD = $(DEB_HOST_GNU_TYPE)-strip'  >> mk/build.mk
	echo 'RANLIB_CMD = $(DEB_HOST_GNU_TYPE)-ranlib'>> mk/build.mk
	# We want verbose builds
	echo 'V=1'                                     >> mk/build.mk
	dh_auto_configure -- \
		$(EXTRA_CONFIGURE_FLAGS) \
		--with-system-libffi --libdir=/usr/lib

override_dh_auto_build:
	dh_auto_build

override_dh_auto_test:
ifeq ($(filter nocheck,$(DEB_BUILD_OPTIONS)),)
	# Do some very simple tests that the compiler actually works
	rm -rf debian/testghc
	mkdir debian/testghc
	echo 'main = putStrLn "Foo"' > debian/testghc/foo.hs
	inplace/bin/ghc-stage2 debian/testghc/foo.hs -o debian/testghc/foo
	[ "$$(debian/testghc/foo)" = "Foo" ]
	rm debian/testghc/*
	echo 'main = putStrLn "Foo"' > debian/testghc/foo.hs
	inplace/bin/ghc-stage2 debian/testghc/foo.hs -o debian/testghc/foo -O2
	[ "$$(debian/testghc/foo)" = "Foo" ]
	rm debian/testghc/*
	@printf "====BEGIN GHC INFO OUTPUT====\n"
	@inplace/bin/ghc-stage2 --info
	@printf "====END GHC INFO OUTPUT====\n"
endif

FILES = \( -type f -o -type l \)
PROF_FILE = \( -name "*.p_*" -o -name "lib*_p.a" \)

override_dh_auto_install:
	dh_auto_install

	# Delete all the library LICENSE files
	rm -f debian/tmp/usr/share/doc/ghc-doc/html/libraries/*/LICENSE

	# Remove the haddock.t files, they really should not be in the released
	# package (upstream #10410)
	find debian/tmp -name \*.haddock.t -delete

	# Generate lintian overrides
	mkdir -p debian/tmp/usr/share/lintian/overrides
	echo "ghc binary: extra-license-file `cd debian/tmp && echo usr/lib/ghc/Cabal-*/Distribution/License.hi`" >> debian/tmp/usr/share/lintian/overrides/ghc
	echo "ghc: extra-license-file `cd debian/tmp && echo usr/lib/ghc/Cabal-*/Distribution/License.dyn_hi`" >> debian/tmp/usr/share/lintian/overrides/ghc
	echo "ghc-prof binary: extra-license-file `cd debian/tmp && echo usr/lib/ghc/Cabal-*/Distribution/License.p_hi`" >> debian/tmp/usr/share/lintian/overrides/ghc-prof

	# Sort out the package.conf files
	mkdir -p debian/tmp/var/lib/ghc
	# Old directories for symlink-workaround. Remove once all libraries use new path
	mv debian/tmp/usr/lib/ghc/package.conf.d \
	   debian/tmp/var/lib/ghc/
	rm debian/tmp/var/lib/ghc/package.conf.d/package.cache
	chmod +x debian/provided_substvars
	debian/provided_substvars
	sed -ri 's,/usr/share/doc/ghc-doc/html/libraries/(.*)\.haddock,/usr/lib/ghc-doc/haddock/ghc/\1.haddock,' debian/tmp/var/lib/ghc/package.conf.d/*.conf

	# Sort out the binaries
	if inplace/bin/ghc-stage2 --info | grep '"Have interpreter","NO"'; then \
	    cd debian/tmp/usr/bin ;rm -f ghci* runghc* runhaskell*; \
	fi

	# Check if we have a ghci binary
	if test -e debian/tmp/usr/bin/ghci-$(ProjectVersion); then \
	    echo 'ghci=ghc-ghci' >> debian/ghc.substvars ; fi
ifeq (NO,$(BUILD_CROSS))
	# Add haddock substvars
	echo "haddock:Depends=haddock-interface-$$(debian/tmp/usr/lib/ghc/bin/haddock --interface-version)" >> debian/ghc-doc.substvars
	echo "haddock:Provides=haddock-interface-$$(debian/tmp/usr/lib/ghc/bin/haddock --interface-version)" >> debian/ghc.substvars
	mkdir -p debian/tmp/usr/lib/ghc-doc
	cp debian/gen_contents_index debian/tmp/usr/lib/ghc-doc/
	chmod +x debian/tmp/usr/lib/ghc-doc/gen_contents_index
	mkdir debian/tmp/usr/lib/ghc-doc/haddock
	mkdir debian/tmp/usr/lib/ghc-doc/haddock/ghc/
	for f in `find debian/tmp/usr/share/doc/ghc-doc/html/libraries/ -maxdepth 1 -mindepth 1 -type d`; do \
	    mkdir debian/tmp/usr/lib/ghc-doc/haddock/ghc/`basename $$f` ; \
	    mv $$f/*.haddock debian/tmp/usr/lib/ghc-doc/haddock/ghc/`basename $$f` ; done
	cd debian/tmp/usr/share/doc/ghc-doc/html/libraries/; ln -s ghc-$(ProjectVersion) ghc
	install -Dm 644 debian/index.html debian/tmp/usr/share/doc/ghc-doc/index.html

	# manpages
	echo ".so man1/ghc.1" > debian/tmp/usr/share/man/man1/ghc-$(ProjectVersion).1
	if test -e debian/tmp/usr/bin/ghci-$(ProjectVersion); then \
	    echo ".so man1/ghc.1" > debian/tmp/usr/share/man/man1/ghci.1 ;\
	    echo ".so man1/ghc.1" > debian/tmp/usr/share/man/man1/ghci-$(ProjectVersion).1 ;\
	    cp debian/runghc.man debian/tmp/usr/share/man/man1/runghc.1 ; fi
	cp utils/hp2ps/hp2ps.1 debian/tmp/usr/share/man/man1/hp2ps.1
	cp debian/ghc-pkg.man debian/tmp/usr/share/man/man1/ghc-pkg.1
	echo ".so man1/ghc-pkg.1" > debian/tmp/usr/share/man/man1/ghc-pkg-$(ProjectVersion).1

	cp debian/haddock.man debian/tmp/usr/share/man/man1/haddock.1
	find debian/tmp/usr/share/man $(FILES)           >> debian/ghc.install
endif
	# ####################
	# Now all the files are sorted, create the package filelists

	# ghc
	find debian/tmp/usr/bin $(FILES)                 >> debian/ghc.install
#	find debian/tmp/usr/share/ghc* $(FILES)          >> debian/ghc.install
	find debian/tmp/usr/lib/ghc $(FILES) ! $(PROF_FILE) >> debian/ghc.install
	find debian/tmp/var				 >> debian/ghc.install
	echo debian/tmp/usr/share/lintian/overrides/ghc >> debian/ghc.install
	# ghc-prof
	find debian/tmp/usr/lib $(FILES) $(PROF_FILE) > debian/ghc-prof.install
	echo debian/tmp/usr/share/lintian/overrides/ghc-prof >> debian/ghc-prof.install
	# ghc-doc
ifeq (NO,$(BUILD_CROSS))
	mkdir -p debian/tmp/$(DEB_HOOGLE_TXT_DIR)
	find debian/tmp/usr/share/doc/ghc-doc/html/libraries/*/ -name "*.txt" \
		-printf "%p $(DEB_HOOGLE_TXT_DIR)/%f\n" >> debian/ghc-doc.links
	find debian/tmp/usr/share/doc/ghc-doc $(FILES) > debian/ghc-doc.install
	find debian/tmp/usr/lib/ghc-doc $(FILES)      >> debian/ghc-doc.install
	sed -i s,^debian/tmp,, debian/*.install debian/*.links
endif
	rm -f debian/ghc.links
	echo "/var/lib/ghc/package.conf.d /usr/lib/ghc/package.conf.d" >> debian/ghc.links

override_dh_auto_clean:
	dh_auto_clean
	rm -f mk/build.mk

	rm -f debian/*.install
	rm -f debian/*.1
	rm -f debian/ghc.manpages
	rm -f debian/ghc.links
	rm -f debian/ghc-doc.links
	rm -f mk/build.mk
	rm -rf debian/testghc
	rm -f ch01.html ch02.html index.html
	rm -rf debian/tmp-db

	# Hacks:
	rm -f config.log
	rm -f libraries/ghc-prim/GHC/PrimopWrappers.hs
	rm -f libraries/ghc-prim/GHC/Prim.hs
	rm -f libraries/ghc-prim/GHC/Generics.hc
	rm -f libraries/ghc-prim/GHC/Generics.dyn_hc
	rm -f libraries/ghc-prim/GHC/IntWord32.hc
	rm -f libraries/integer-gmp/GHC/Integer/Type.hc
	rm -f libraries/base/GHC/ConsoleHandler.hc
	rm -f libraries/base/GHC/IO/Encoding/CodePage.hc
	rm -f libraries/base/Unsafe/Coerce.hc
	rm -f rts/libs.depend mk/install.mk
	rm -f rts/package.conf.install.raw
	rm -f rts/package.conf.inplace.raw
	rm -f utils/ghc-pwd/dist-boot/Main.hi
	rm -f utils/ghc-pwd/dist-boot/Main.o
	rm -f utils/ghc-pwd/dist-boot/ghc-pwd

	rm -f libraries/haskeline/a.out
	rm -rf utils/ghctags/dist-install

override_dh_compress:
	dh_compress -X.haddock -X.txt

override_dh_installdeb:
	dh_haskell_provides
	dh_installdeb

override_dh_shlibdeps:
	dh_shlibdeps -XlibHS

# we do not want shlibs files there, neither postrm scripts
override_dh_makeshlibs:

# we have ghc-testsuite for this, empty override
override_dh_auto_test:

#GHC has no meaningful debugging symbols, so we don't ship a -dbgsym
#package.
override_dh_strip:
	dh_strip --no-automatic-dbgsym