[rustc.git] / debian / rules

#!/usr/bin/make -f
# -*- makefile -*-

include /usr/share/dpkg/pkg-info.mk
include /usr/share/dpkg/vendor.mk
include /usr/share/dpkg/architecture.mk
SED_VERSION_SHORT := sed -re 's/([^.]+)\.([^.]+)\..*/\1.\2/'
RUST_VERSION := $(shell echo '$(DEB_VERSION_UPSTREAM)' | $(SED_VERSION_SHORT))
RUST_LONG_VERSION := $(shell echo '$(DEB_VERSION_UPSTREAM)' | sed -re 's/([^+]+).*/\1/')
LIBSTD_PKG := libstd-rust-$(RUST_VERSION)
# Sed expression that matches the "rustc" we have in our Build-Depends field
SED_RUSTC_BUILDDEP := sed -ne "/^Build-Depends:/,/^[^[:space:]\#]/{/^ *rustc:native .*,/p}" debian/control

include /usr/share/dpkg/buildflags.mk
# TODO: more correct to use `[build] rustflags = []` list syntax in Cargo.toml
RUSTFLAGS = $(addprefix -C link-args=,$(LDFLAGS))
export CFLAGS CXXFLAGS CPPFLAGS LDFLAGS RUSTFLAGS
# set remap-path-prefix for reproducible builds; TODO: remove "if" after 1.20
ifeq (0,$(shell dpkg --compare-versions "$$(rustc --version --verbose | sed -ne 's/^release: //p')" '>=' 1.19.0; echo $$?))
RUSTFLAGS += -Zremap-path-prefix-from=$(CURDIR) -Zremap-path-prefix-to=/usr/src/rustc-$(RUST_LONG_VERSION)
export RUSTC_BOOTSTRAP = 1
endif

# Defines DEB_*_RUST_TYPE triples
include debian/architecture.mk
export DEB_HOST_RUST_TYPE

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

# src/rt/miniz.c (incorrectly) triggers -Wmisleading-indentation with
# gcc-6.  See bug #811573.
CFLAGS += -Wno-misleading-indentation

# Release type (one of beta, stable or nightly)
RELEASE_CHANNEL := stable
# See also ./build-preview-dsc.sh for a script that builds a beta/nightly .dsc
# out of this packaging. Furthermore, if the build breaks after importing a new
# upstream stable release, check the do_temporary_fixup function in that file
# to see if we already know what fix to make.

DEB_DESTDIR := $(CURDIR)/debian/tmp

# These are the normal build flags. Upstream is moving to debian/config.toml
# but at the current version not all of these flags are available in that file.
# Certain flags also need to be kept here *as well as* debian/config.toml.in
# because of https://github.com/rust-lang/rust/issues/43295
DEB_CONFIGURE_FLAGS = --enable-llvm-link-shared --disable-dist-src --prefix=/usr --release-channel=$(RELEASE_CHANNEL) --disable-debuginfo-only-std

# Use system LLVM (comment out to use vendored LLVM)
LLVM_VERSION = 4.0
OLD_LLVM_VERSION = 3.9
# Make it easier to test against a custom LLVM
ifneq (,$(LLVM_DESTDIR))
LD_LIBRARY_PATH := $(if $(LD_LIBRARY_PATH),$(LD_LIBRARY_PATH):$(LLVM_DESTDIR)/usr/lib/$(DEB_HOST_MULTIARCH),$(LLVM_DESTDIR)/usr/lib/$(DEB_HOST_MULTIARCH))
export LD_LIBRARY_PATH
endif
DEB_CONFIGURE_FLAGS += --llvm-root=$(LLVM_DESTDIR)/usr/lib/llvm-$(LLVM_VERSION)

RUSTBUILD = RUST_BACKTRACE=1 ./x.py
RUSTBUILD_FLAGS = --config debian/config.toml -v --on-fail env
# TODO: This should simply be "$(RUSTBUILD) test" but unfortunately this causes
# an insane blow up in the time it takes to run tests. See upstream #37477 for
# details. Upstream worked around it in #38984 but in Debian we can't take
# advantage of that work-around, because we want as much debuginfo as possible
# (so we set debuginfo-lines = true, debuginfo-only-std = false) so we have to
# work around it instead by disabling backtrace when running tests.
RUSTBUILD_TEST = ./x.py test
# To run a specific test, run something like:
#   $ debian/rules override_dh_auto_test-arch \
#     RUSTBUILD_TEST_FLAGS="src/test/run-make --test-args extern-fn-struct"
# See src/bootstrap/README.md for more options.
RUSTBUILD_TEST_FLAGS =

update-version:
	oldver=$(shell $(SED_RUSTC_BUILDDEP) | sed -ne 's/.*(<= \(.*\)).*/\1/gp' | $(SED_VERSION_SHORT)); \
	newver=$(RUST_VERSION); \
	if [ $$oldver != $$newver ]; then debian/update-version.sh $$oldver $$newver; fi

# Below we detect how we're supposed to bootstrap the stage0 compiler. See
# README.Debian for more details of the cases described below.
#
PRECONFIGURE_CHECK = :
HAVE_BINARY_TARBALL := $(shell ls -1 stage0/*/*$(DEB_HOST_RUST_TYPE)* 2>/dev/null | wc -l)
# allow not using the binary tarball although it exists
#ifneq (,$(filter $(DEB_HOST_ARCH), amd64 arm64 armhf i386 powerpc ppc64el s390x))
#  HAVE_BINARY_TARBALL := 0
#endif
ifeq (0,$(HAVE_BINARY_TARBALL))
    # Case A (Building from source): the extracted source tree does not include
    # a bootstrapping tarball for the current architecture e.g. because the
    # distro already has a rustc for this arch, or the uploader expects that
    # this requirement be fulfilled in some other way.
    #
    # Case A-1: the builder did not select the "pkg.rustc.dlstage0" build profile.
    # In this case, we use the distro's rustc - either the previous or current version.
    ifeq (,$(findstring pkg.rustc.dlstage0,$(DEB_BUILD_PROFILES)))
        DEB_CONFIGURE_FLAGS += --enable-local-rust --local-rust-root=/usr
    endif
    #
    # Case A-2: the builder selected the "dlstage0" build profile.
    # In this case, the rust build scripts will download a stage0 into stage0/ and use that.
    # We don't need to do anything specific in this build file, so this case is empty.
else
    # Case B (Bootstrapping a new distro): the extracted source tree does
    # include a bootstrapping tarball for the current architecture; see the
    # `source_orig-stage0` target below on how to build this.
    #
    # In this case, we'll bootstrap from the stage0 given in that tarball.
    # To ensure the uploader of the .dsc didn't make a mistake, we first check
    # that rustc isn't a Build-Depends for the current architecture.
    ifneq (,$(shell $(SED_RUSTC_BUILDDEP)))
    ifeq (,$(shell $(SED_RUSTC_BUILDDEP) | grep '!$(DEB_HOST_ARCH)'))
        PRECONFIGURE_CHECK = $(error found matches for stage0/*/*$(DEB_HOST_RUST_TYPE)*, \
          but rustc might be a Build-Depends for $(DEB_HOST_ARCH))
    endif
    endif
endif

BUILD_DOCS = 1
ifneq (,$(findstring nodoc,$(DEB_BUILD_PROFILES)))
  DEB_CONFIGURE_FLAGS += --disable-docs
  BUILD_DOCS =
endif

ifneq (,$(findstring noopt,$(DEB_BUILD_OPTIONS)))
  DEB_CONFIGURE_FLAGS += --disable-optimize --disable-optimize-cxx --disable-optimize-llvm
endif

# Build products or non-source files in src/, that shouldn't go in rust-src
SRC_CLEAN = src/rt/hoedown/src/html_blocks.c \
	src/bootstrap/bootstrap.pyc \
	src/etc/__pycache__/

# Workaround for linux #865549
ifeq (0,$(shell test $$(uname -s) = "Linux" -a $$(getconf PAGESIZE) -gt 4096; echo $$?))
  SYSTEM_WORKAROUNDS += ulimit -s $$(expr $$(getconf PAGESIZE) / 1024 '*' 256 + 8192);
endif

%:
	$(SYSTEM_WORKAROUNDS) dh $@ --parallel

.PHONY: build
build:
	$(SYSTEM_WORKAROUNDS) dh $@ --parallel

override_dh_clean:
	# Upstream contains a lot of these
	dh_clean -XCargo.toml.orig

debian/configure-upstream: debian/config.toml debian/rules
	rm -f "$@"
	echo '#!/bin/sh' >> "$@"
	echo '# This script can be used to configure a mostly-clean upstream checkout' >> "$@"
	echo '# in case you need to test any differences between it and Debian' >> "$@"
	echo 'set -e' >> "$@"
	echo 'test -f ./configure' >> "$@"
	echo 'cat > config.toml <<EOF' >> "$@"
	cat debian/config.toml >> "$@"
	echo 'EOF' >> "$@"
	echo "./configure $(DEB_CONFIGURE_FLAGS)" >> "$@"
	chmod +x "$@"

debian/config.toml: debian/config.toml.in
	m4  -DDEB_BUILD_RUST_TYPE="$(DEB_BUILD_RUST_TYPE)" \
		-DDEB_HOST_RUST_TYPE="$(DEB_HOST_RUST_TYPE)" \
		-DDEB_TARGET_RUST_TYPE="$(DEB_TARGET_RUST_TYPE)" \
		-DRELEASE_CHANNEL="$(RELEASE_CHANNEL)" \
		-DLLVM_DESTDIR="$(LLVM_DESTDIR)" \
		-DLLVM_VERSION="$(LLVM_VERSION)" \
		"$<" > "$@"

debian/rust-src.%: debian/rust-src.%.in
	m4  -DRUST_LONG_VERSION="$(RUST_LONG_VERSION)" \
		"$<" > "$@"

override_dh_auto_configure: debian/config.toml
	# fail the build if we have any instances of OLD_LLVM_VERSION in debian, except for debian/changelog
	! grep --color=always -i 'll...\?$(subst .,\.,$(OLD_LLVM_VERSION))' --exclude=changelog -R debian
	$(PRECONFIGURE_CHECK)
	if [ -d stage0 ]; then mkdir -p build && ln -sfT ../stage0 build/cache; fi
	# work around #842634
	if test $$(grep "127.0.0.1\s*localhost" /etc/hosts | wc -l) -gt 1; then \
	  debian/ensure-patch -N debian/patches/d-host-duplicates.patch; fi
	# We patched mdbook so have to rm the checksums
	debian/prune-checksums src/vendor/mdbook/.cargo-checksum.json
	# Unfortunately upstream uses a duplicate copy of libbacktrace and wants to
	# compile it again for rust-installer, see #43449
	ln -rsf src/libbacktrace -t src/vendor/backtrace-sys/src/
	debian/prune-checksums src/vendor/backtrace-sys/.cargo-checksum.json
	# Link against system liblzma, see https://github.com/alexcrichton/xz2-rs/issues/16
	echo 'fn main() { println!("cargo:rustc-link-lib=lzma"); }' > src/vendor/lzma-sys/build.rs
	debian/prune-checksums src/vendor/lzma-sys/.cargo-checksum.json
	# We excluded some embedded libraries in d/copyright
	debian/prune-checksums src/vendor/dbghelp-sys/.cargo-checksum.json
	# TODO: work-around for slightly buggy prune-unused-deps, can rm in 1.20.0
	rmdir src/vendor/* 2>/dev/null || true
	# Do the actual configure
	./configure $(DEB_CONFIGURE_FLAGS)

override_dh_auto_clean:
	$(RM) -rf ./build ./tmp ./.cargo config.stamp config.mk Makefile
	$(RM) -rf $(SRC_CLEAN) debian/config.toml debian/rust-src.install debian/rust-src.links

# upstream bundles this in the source, but in Debian we rebuild everything yo
generate-sources:
	$(MAKE) -C src/rt/hoedown src/html_blocks.c

override_dh_auto_build-arch: generate-sources
	$(RUSTBUILD) build $(RUSTBUILD_FLAGS)

# note: this is only for buildds that want to do a separate arch:all build;
# there is no point running this yourself "to save time" since it implicitly
# depends on build-arch anyways.
override_dh_auto_build-indep: generate-sources
ifneq (,$(BUILD_DOCS))
# Rust has a weird way of configuring whether to build docs or not
	sed -i -e 's/^docs = false/docs = true/' debian/config.toml
	$(RUSTBUILD) doc $(RUSTBUILD_FLAGS)
endif

RUN_TESTS = \
	if $(1); then \
	  : ; \
	else \
	  echo "====================================================="; \
	  echo "WARNING: Ignoring test failures in the rust testsuite"; \
	  echo "====================================================="; \
	fi

override_dh_auto_test-arch:
# ensure that rustc_llvm is actually dynamically linked to libLLVM
	set -e; find build/*/stage2/lib/rustlib/* -name '*rustc_llvm*.so' | \
	while read x; do \
		stat -c '%s %n' "$$x"; \
		objdump -p "$$x" | grep -q "NEEDED.*LLVM"; \
		test "$$(stat -c %s "$$x")" -lt 6000000; \
	done
ifeq (, $(filter nocheck,$(DEB_BUILD_PROFILES)))
ifeq (, $(filter nocheck,$(DEB_BUILD_OPTIONS)))
	$(call RUN_TESTS,$(RUSTBUILD_TEST) --no-fail-fast $(RUSTBUILD_FLAGS) $(RUSTBUILD_TEST_FLAGS))
# don't continue if RUSTBUILD_TEST_FLAGS is non-empty
	test -z "$(RUSTBUILD_TEST_FLAGS)"
endif
endif

override_dh_auto_test-indep:
ifneq (,$(BUILD_DOCS))
ifeq (, $(filter nocheck,$(DEB_BUILD_PROFILES)))
ifeq (, $(filter nocheck,$(DEB_BUILD_OPTIONS)))
	# Run all rules that test the docs, i.e. in step.rs that depend on default:doc
	$(call RUN_TESTS,$(RUSTBUILD_TEST) --no-fail-fast src/tools/linkchecker $(RUSTBUILD_FLAGS))
endif
endif
endif

run_rustbuild:
	DESTDIR=$(DEB_DESTDIR) $(RUSTBUILD) $(X_CMD) $(RUSTBUILD_FLAGS) $(X_FLAGS)

override_dh_auto_install:
	DESTDIR=$(DEB_DESTDIR) $(RUSTBUILD) install $(RUSTBUILD_FLAGS)

	mkdir -p $(DEB_DESTDIR)/usr/lib/$(DEB_HOST_MULTIARCH)/
	mv $(DEB_DESTDIR)/usr/lib/lib*.so $(DEB_DESTDIR)/usr/lib/$(DEB_HOST_MULTIARCH)/

	# Replace duplicated compile-time/run-time dylibs with symlinks
	@set -e; \
	for f in $(DEB_DESTDIR)/usr/lib/rustlib/$(DEB_HOST_RUST_TYPE)/lib/lib*.so; do \
	  name=$${f##*/}; \
	  if [ -f "$(DEB_DESTDIR)/usr/lib/$(DEB_HOST_MULTIARCH)/$$name" ]; then \
	    echo "ln -sf ../../../$(DEB_HOST_MULTIARCH)/$$name $$f"; \
	    ln -sf ../../../$(DEB_HOST_MULTIARCH)/$$name $$f; \
	  fi; \
	done

ifneq (,$(BUILD_DOCS))
	# Brute force to remove privacy-breach-logo lintian warning.
	# We could have updated the upstream sources but it would complexify
	# the rebase
	@set -e; \
	find $(DEB_DESTDIR)/usr/share/doc/rust/html -iname '*.html' | \
	while read file; do \
	  topdir=$$(echo "$$file" | sed 's,^$(DEB_DESTDIR)/usr/share/doc/rust/html/,,; s,/[^/]*$$,/,; s,^[^/]*$$,,; s,[^/]\+/,../,g'); \
	  sed -i -e "s,https://doc.rust-lang.org/\(favicon.ico\|logos/rust-logo-32x32-blk.png\),$${topdir}rust-logo-32x32-blk.png," \
              -e "s,https://www.rust-lang.org/\(favicon.ico\|logos/rust-logo-32x32-blk.png\),$${topdir}rust-logo-32x32-blk.png," "$$file"; \
	done
	find $(DEB_DESTDIR) \( -iname '*.html' -empty -o -name .lock -o -name '*.inc' \) -delete;
endif

override_dh_install-arch:
	dh_install
	dh_install -p$(LIBSTD_PKG) usr/lib/$(DEB_HOST_MULTIARCH)/
	dh_install -plibstd-rust-dev usr/lib/rustlib/$(DEB_HOST_RUST_TYPE)/lib/

override_dh_install-indep: debian/rust-src.install debian/rust-src.links
	dh_install
	chmod -x \
	  debian/rust-gdb/usr/share/rust-gdb/*.py \
	  debian/rust-lldb/usr/share/rust-lldb/*.py
	$(RM) -rf $(SRC_CLEAN:%=debian/rust-src/usr/src/rustc-$(RUST_LONG_VERSION)/%)
	# Get rid of lintian warnings
	find debian/rust-src/usr/src/rustc-$(RUST_LONG_VERSION) \
		\( -name .gitignore \
		-o -name 'LICENSE*' \
		-o -name 'LICENCE' \
		-o -name 'license' \
		-o -name 'COPYING*' \
		\) -delete

override_dh_installchangelogs:
	dh_missing --list-missing || true
	dh_installchangelogs RELEASES.md

override_dh_installdocs:
	dh_installdocs -X.tex -X.aux -X.log -X.out -X.toc

override_dh_compress:
	dh_compress -X.woff

override_dh_strip:
	# Work around #35733, #468333
	find debian/libstd-rust-dev/ -name '*.rlib' -execdir mv '{}' '{}.a' \;
	# This is expected to print out lots of "File format unrecognized" warnings about
	# rust.metadata.bin and *.deflate but the .o files inside the rlibs should be stripped
	# Some files are still omitted because of #875780 however.
	dh_strip -v
	find debian/libstd-rust-dev/ -name '*.rlib.a' -execdir sh -c 'mv "$$1" "$${1%.a}"' - '{}' \;

override_dh_makeshlibs:
	dh_makeshlibs -V

	# dh_makeshlibs doesn't support our "libfoo-version.so" naming
	# structure, so we have to do this ourselves.
	install -o 0 -g 0 -d debian/$(LIBSTD_PKG)/DEBIAN
	LC_ALL=C ls debian/$(LIBSTD_PKG)/usr/lib/$(DEB_HOST_MULTIARCH)/lib*.so | \
	sed -n 's,^.*/\(lib.*\)-\(.\+\)\.so$$,\1 \2,p' | \
	while read name version; do \
	  echo "$$name $$version $(LIBSTD_PKG) (>= $(DEB_VERSION_UPSTREAM))"; \
	done > debian/$(LIBSTD_PKG)/DEBIAN/shlibs
	chmod 644 debian/$(LIBSTD_PKG)/DEBIAN/shlibs
	chown 0:0 debian/$(LIBSTD_PKG)/DEBIAN/shlibs

override_dh_shlibdeps:
	dh_shlibdeps -- -x$(LIBSTD_PKG)

QUILT_SPECIAL_SNOWFLAKE_RETURN_CODE = x=$$?; if [ $$x = 2 ]; then exit 0; else exit $$x; fi
source_orig-stage0:
	QUILT_PATCHES=debian/patches quilt push -aq; $(QUILT_SPECIAL_SNOWFLAKE_RETURN_CODE)
	$(MAKE) -f debian/rules clean
	debian/make_orig-stage0_tarball.sh
	QUILT_PATCHES=debian/patches quilt pop -aq; $(QUILT_SPECIAL_SNOWFLAKE_RETURN_CODE)
	rm -rf .pc
Commit	Line	Data
be771b38 LB	1	#!/usr/bin/make -f
	2	# -- makefile --
	3
b59979d9	4	include /usr/share/dpkg/pkg-info.mk
6472c211	5	include /usr/share/dpkg/vendor.mk
d75d48d6	6	include /usr/share/dpkg/architecture.mk
b5dfb68c XL	7	SED_VERSION_SHORT := sed -re 's/([^.]+)\.([^.]+)\..*/\1.\2/'
	8	RUST_VERSION := $(shell echo '$(DEB_VERSION_UPSTREAM)' \| $(SED_VERSION_SHORT))
	9	RUST_LONG_VERSION := $(shell echo '$(DEB_VERSION_UPSTREAM)' \| sed -re 's/([^+]+).*/\1/')
	10	LIBSTD_PKG := libstd-rust-$(RUST_VERSION)
	11	# Sed expression that matches the "rustc" we have in our Build-Depends field
	12	SED_RUSTC_BUILDDEP := sed -ne "/^Build-Depends:/,/^[^[:space:]\#]/{/^ rustc:native .,/p}" debian/control
	13
7d40d3e1	14	include /usr/share/dpkg/buildflags.mk
4888e768	15	# TODO: more correct to use `[build] rustflags = []` list syntax in Cargo.toml
9197bf09	16	RUSTFLAGS = $(addprefix -C link-args=,$(LDFLAGS))
7d40d3e1	17	export CFLAGS CXXFLAGS CPPFLAGS LDFLAGS RUSTFLAGS
9197bf09 XL	18	# set remap-path-prefix for reproducible builds; TODO: remove "if" after 1.20
	19	ifeq (0,$(shell dpkg --compare-versions "$$(rustc --version --verbose \| sed -ne 's/^release: //p')" '>=' 1.19.0; echo $$?))
	20	RUSTFLAGS += -Zremap-path-prefix-from=$(CURDIR) -Zremap-path-prefix-to=/usr/src/rustc-$(RUST_LONG_VERSION)
	21	export RUSTC_BOOTSTRAP = 1
	22	endif
b59979d9	23
525ff0f9 AL	24	# Defines DEB_*_RUST_TYPE triples
525ff0f9 AL	25	include debian/architecture.mk
693daed7	26	export DEB_HOST_RUST_TYPE
525ff0f9	27
be771b38 LB	28	# Uncomment this to turn on verbose mode.
	29	#export DH_VERBOSE=1
	30
c2a1d9e3 AL	31	# src/rt/miniz.c (incorrectly) triggers -Wmisleading-indentation with
	32	# gcc-6. See bug #811573.
	33	CFLAGS += -Wno-misleading-indentation
	34
d4357a26	35	# Release type (one of beta, stable or nightly)
0f9154de	36	RELEASE_CHANNEL := stable
6935ded2 XL	37	# See also ./build-preview-dsc.sh for a script that builds a beta/nightly .dsc
	38	# out of this packaging. Furthermore, if the build breaks after importing a new
	39	# upstream stable release, check the do_temporary_fixup function in that file
	40	# to see if we already know what fix to make.
d4357a26	41
8354de7a	42	DEB_DESTDIR := $(CURDIR)/debian/tmp
525ff0f9	43
01dc6ef4 XL	44	# These are the normal build flags. Upstream is moving to debian/config.toml
01dc6ef4 XL	45	# but at the current version not all of these flags are available in that file.
3613a4e9 XL	46	# Certain flags also need to be kept here as well as debian/config.toml.in
3613a4e9 XL	47	# because of https://github.com/rust-lang/rust/issues/43295
0ace110a	48	DEB_CONFIGURE_FLAGS = --enable-llvm-link-shared --disable-dist-src --prefix=/usr --release-channel=$(RELEASE_CHANNEL) --disable-debuginfo-only-std
be771b38	49
525ff0f9	50	# Use system LLVM (comment out to use vendored LLVM)
666f0397 XL	51	LLVM_VERSION = 4.0
666f0397 XL	52	OLD_LLVM_VERSION = 3.9
2b7c35b5 XL	53	# Make it easier to test against a custom LLVM
2b7c35b5 XL	54	ifneq (,$(LLVM_DESTDIR))
9450961b	55	LD_LIBRARY_PATH := $(if $(LD_LIBRARY_PATH),$(LD_LIBRARY_PATH):$(LLVM_DESTDIR)/usr/lib/$(DEB_HOST_MULTIARCH),$(LLVM_DESTDIR)/usr/lib/$(DEB_HOST_MULTIARCH))
2b7c35b5 XL	56	export LD_LIBRARY_PATH
	57	endif
	58	DEB_CONFIGURE_FLAGS += --llvm-root=$(LLVM_DESTDIR)/usr/lib/llvm-$(LLVM_VERSION)
	59
8e396fda	60	RUSTBUILD = RUST_BACKTRACE=1 ./x.py
3613a4e9	61	RUSTBUILD_FLAGS = --config debian/config.toml -v --on-fail env
f1b4ffd3 XL	62	# TODO: This should simply be "$(RUSTBUILD) test" but unfortunately this causes
	63	# an insane blow up in the time it takes to run tests. See upstream #37477 for
	64	# details. Upstream worked around it in #38984 but in Debian we can't take
	65	# advantage of that work-around, because we want as much debuginfo as possible
	66	# (so we set debuginfo-lines = true, debuginfo-only-std = false) so we have to
	67	# work around it instead by disabling backtrace when running tests.
	68	RUSTBUILD_TEST = ./x.py test
0d3674eb XL	69	# To run a specific test, run something like:
	70	# $ debian/rules override_dh_auto_test-arch \
	71	# RUSTBUILD_TEST_FLAGS="src/test/run-make --test-args extern-fn-struct"
	72	# See src/bootstrap/README.md for more options.
	73	RUSTBUILD_TEST_FLAGS =
1c8ac2b0	74
25f1c2fe XL	75	update-version:
	76	oldver=$(shell $(SED_RUSTC_BUILDDEP) \| sed -ne 's/.(<= \(.\)).*/\1/gp' \| $(SED_VERSION_SHORT)); \
	77	newver=$(RUST_VERSION); \
	78	if [ $$oldver != $$newver ]; then debian/update-version.sh $$oldver $$newver; fi
	79
427dce5b XL	80	# Below we detect how we're supposed to bootstrap the stage0 compiler. See
	81	# README.Debian for more details of the cases described below.
	82	#
427dce5b	83	PRECONFIGURE_CHECK = :
75be2bb3	84	HAVE_BINARY_TARBALL := $(shell ls -1 stage0//$(DEB_HOST_RUST_TYPE)* 2>/dev/null \| wc -l)
571f0d20 MK	85	# allow not using the binary tarball although it exists
	86	#ifneq (,$(filter $(DEB_HOST_ARCH), amd64 arm64 armhf i386 powerpc ppc64el s390x))
	87	# HAVE_BINARY_TARBALL := 0
	88	#endif
	89	ifeq (0,$(HAVE_BINARY_TARBALL))
16dfb283 XL	90	# Case A (Building from source): the extracted source tree does not include
	91	# a bootstrapping tarball for the current architecture e.g. because the
	92	# distro already has a rustc for this arch, or the uploader expects that
	93	# this requirement be fulfilled in some other way.
427dce5b XL	94	#
	95	# Case A-1: the builder did not select the "pkg.rustc.dlstage0" build profile.
	96	# In this case, we use the distro's rustc - either the previous or current version.
	97	ifeq (,$(findstring pkg.rustc.dlstage0,$(DEB_BUILD_PROFILES)))
	98	DEB_CONFIGURE_FLAGS += --enable-local-rust --local-rust-root=/usr
	99	endif
	100	#
	101	# Case A-2: the builder selected the "dlstage0" build profile.
75be2bb3	102	# In this case, the rust build scripts will download a stage0 into stage0/ and use that.
b9a40c91	103	# We don't need to do anything specific in this build file, so this case is empty.
427dce5b	104	else
16dfb283 XL	105	# Case B (Bootstrapping a new distro): the extracted source tree does
16dfb283 XL	106	# include a bootstrapping tarball for the current architecture; see the
75be2bb3	107	# `source_orig-stage0` target below on how to build this.
427dce5b XL	108	#
	109	# In this case, we'll bootstrap from the stage0 given in that tarball.
	110	# To ensure the uploader of the .dsc didn't make a mistake, we first check
16dfb283	111	# that rustc isn't a Build-Depends for the current architecture.
25f1c2fe XL	112	ifneq (,$(shell $(SED_RUSTC_BUILDDEP)))
25f1c2fe XL	113	ifeq (,$(shell $(SED_RUSTC_BUILDDEP) \| grep '!$(DEB_HOST_ARCH)'))
75be2bb3	114	PRECONFIGURE_CHECK = $(error found matches for stage0//$(DEB_HOST_RUST_TYPE)*, \
16dfb283 XL	115	but rustc might be a Build-Depends for $(DEB_HOST_ARCH))
16dfb283 XL	116	endif
427dce5b	117	endif
1c8ac2b0 SL	118	endif
	119
	120	BUILD_DOCS = 1
120b4d47	121	ifneq (,$(findstring nodoc,$(DEB_BUILD_PROFILES)))
525ff0f9	122	DEB_CONFIGURE_FLAGS += --disable-docs
2e97839d	123	BUILD_DOCS =
1c8ac2b0 SL	124	endif
	125
	126	ifneq (,$(findstring noopt,$(DEB_BUILD_OPTIONS)))
525ff0f9	127	DEB_CONFIGURE_FLAGS += --disable-optimize --disable-optimize-cxx --disable-optimize-llvm
1c8ac2b0 SL	128	endif
1c8ac2b0 SL	129
35329365 XL	130	# Build products or non-source files in src/, that shouldn't go in rust-src
	131	SRC_CLEAN = src/rt/hoedown/src/html_blocks.c \
	132	src/bootstrap/bootstrap.pyc \
35329365	133	src/etc/__pycache__/
1c8ac2b0	134
170f9149 XL	135	# Workaround for linux #865549
	136	ifeq (0,$(shell test $$(uname -s) = "Linux" -a $$(getconf PAGESIZE) -gt 4096; echo $$?))
	137	SYSTEM_WORKAROUNDS += ulimit -s $$(expr $$(getconf PAGESIZE) / 1024 '*' 256 + 8192);
	138	endif
	139
be771b38	140	%:
170f9149	141	$(SYSTEM_WORKAROUNDS) dh $@ --parallel
be771b38	142
04c12273 XL	143	.PHONY: build
04c12273 XL	144	build:
170f9149	145	$(SYSTEM_WORKAROUNDS) dh $@ --parallel
04c12273	146
de1de54b	147	override_dh_clean:
cf0b146d XL	148	# Upstream contains a lot of these
cf0b146d XL	149	dh_clean -XCargo.toml.orig
de1de54b	150
b1076f25 XL	151	debian/configure-upstream: debian/config.toml debian/rules
	152	rm -f "$@"
	153	echo '#!/bin/sh' >> "$@"
6a9e99e9	154	echo '# This script can be used to configure a mostly-clean upstream checkout' >> "$@"
b1076f25 XL	155	echo '# in case you need to test any differences between it and Debian' >> "$@"
	156	echo 'set -e' >> "$@"
	157	echo 'test -f ./configure' >> "$@"
	158	echo 'cat > config.toml <<EOF' >> "$@"
	159	cat debian/config.toml >> "$@"
	160	echo 'EOF' >> "$@"
	161	echo "./configure $(DEB_CONFIGURE_FLAGS)" >> "$@"
	162	chmod +x "$@"
	163
01dc6ef4 XL	164	debian/config.toml: debian/config.toml.in
	165	m4 -DDEB_BUILD_RUST_TYPE="$(DEB_BUILD_RUST_TYPE)" \
	166	-DDEB_HOST_RUST_TYPE="$(DEB_HOST_RUST_TYPE)" \
	167	-DDEB_TARGET_RUST_TYPE="$(DEB_TARGET_RUST_TYPE)" \
	168	-DRELEASE_CHANNEL="$(RELEASE_CHANNEL)" \
2b7c35b5	169	-DLLVM_DESTDIR="$(LLVM_DESTDIR)" \
666f0397	170	-DLLVM_VERSION="$(LLVM_VERSION)" \
01dc6ef4 XL	171	"$<" > "$@"
01dc6ef4 XL	172
b5dfb68c XL	173	debian/rust-src.%: debian/rust-src.%.in
	174	m4 -DRUST_LONG_VERSION="$(RUST_LONG_VERSION)" \
	175	"$<" > "$@"
	176
01dc6ef4	177	override_dh_auto_configure: debian/config.toml
5617e1bd	178	# fail the build if we have any instances of OLD_LLVM_VERSION in debian, except for debian/changelog
666f0397	179	! grep --color=always -i 'll...\?$(subst .,\.,$(OLD_LLVM_VERSION))' --exclude=changelog -R debian
427dce5b	180	$(PRECONFIGURE_CHECK)
75be2bb3	181	if [ -d stage0 ]; then mkdir -p build && ln -sfT ../stage0 build/cache; fi
3281855a XL	182	# work around #842634
3281855a XL	183	if test $$(grep "127.0.0.1\s*localhost" /etc/hosts \| wc -l) -gt 1; then \
ed6f7eed	184	debian/ensure-patch -N debian/patches/d-host-duplicates.patch; fi
6b0d97fc	185	# We patched mdbook so have to rm the checksums
81fd74bc	186	debian/prune-checksums src/vendor/mdbook/.cargo-checksum.json
6b0d97fc XL	187	# Unfortunately upstream uses a duplicate copy of libbacktrace and wants to
	188	# compile it again for rust-installer, see #43449
	189	ln -rsf src/libbacktrace -t src/vendor/backtrace-sys/src/
e9a8101d	190	debian/prune-checksums src/vendor/backtrace-sys/.cargo-checksum.json
6b0d97fc XL	191	# Link against system liblzma, see https://github.com/alexcrichton/xz2-rs/issues/16
6b0d97fc XL	192	echo 'fn main() { println!("cargo:rustc-link-lib=lzma"); }' > src/vendor/lzma-sys/build.rs
e9a8101d	193	debian/prune-checksums src/vendor/lzma-sys/.cargo-checksum.json
30248d38	194	# We excluded some embedded libraries in d/copyright
e9a8101d	195	debian/prune-checksums src/vendor/dbghelp-sys/.cargo-checksum.json
bf621149 XL	196	# TODO: work-around for slightly buggy prune-unused-deps, can rm in 1.20.0
bf621149 XL	197	rmdir src/vendor/* 2>/dev/null \|\| true
6b0d97fc	198	# Do the actual configure
2ff118e1	199	./configure $(DEB_CONFIGURE_FLAGS)
1c8ac2b0	200
11c430be	201	override_dh_auto_clean:
f40dfcc0	202	$(RM) -rf ./build ./tmp ./.cargo config.stamp config.mk Makefile
b5dfb68c	203	$(RM) -rf $(SRC_CLEAN) debian/config.toml debian/rust-src.install debian/rust-src.links
11c430be	204
ea192313 XL	205	# upstream bundles this in the source, but in Debian we rebuild everything yo
	206	generate-sources:
	207	$(MAKE) -C src/rt/hoedown src/html_blocks.c
1c8ac2b0	208
ea192313	209	override_dh_auto_build-arch: generate-sources
04c12273	210	$(RUSTBUILD) build $(RUSTBUILD_FLAGS)
ea192313	211
e408bc2c XL	212	# note: this is only for buildds that want to do a separate arch:all build;
	213	# there is no point running this yourself "to save time" since it implicitly
	214	# depends on build-arch anyways.
ea192313	215	override_dh_auto_build-indep: generate-sources
e408bc2c	216	ifneq (,$(BUILD_DOCS))
1fd63ebe XL	217	# Rust has a weird way of configuring whether to build docs or not
1fd63ebe XL	218	sed -i -e 's/^docs = false/docs = true/' debian/config.toml
04c12273 XL	219	$(RUSTBUILD) doc $(RUSTBUILD_FLAGS)
	220	endif
	221
7958f3db XL	222	RUN_TESTS = \
7958f3db XL	223	if $(1); then \
04c12273	224	: ; \
04c12273 XL	225	else \
	226	echo "====================================================="; \
	227	echo "WARNING: Ignoring test failures in the rust testsuite"; \
	228	echo "====================================================="; \
	229	fi
7958f3db XL	230
7958f3db XL	231	override_dh_auto_test-arch:
347f6206 XL	232	# ensure that rustc_llvm is actually dynamically linked to libLLVM
	233	set -e; find build//stage2/lib/rustlib/ -name 'rustc_llvm.so' \| \
	234	while read x; do \
	235	stat -c '%s %n' "$$x"; \
	236	objdump -p "$$x" \| grep -q "NEEDED.*LLVM"; \
	237	test "$$(stat -c %s "$$x")" -lt 6000000; \
	238	done
68e7eb97	239	ifeq (, $(filter nocheck,$(DEB_BUILD_PROFILES)))
7958f3db	240	ifeq (, $(filter nocheck,$(DEB_BUILD_OPTIONS)))
f1b4ffd3	241	$(call RUN_TESTS,$(RUSTBUILD_TEST) --no-fail-fast $(RUSTBUILD_FLAGS) $(RUSTBUILD_TEST_FLAGS))
0d3674eb XL	242	# don't continue if RUSTBUILD_TEST_FLAGS is non-empty
0d3674eb XL	243	test -z "$(RUSTBUILD_TEST_FLAGS)"
e408bc2c	244	endif
68e7eb97	245	endif
becfe001	246
04c12273	247	override_dh_auto_test-indep:
7958f3db	248	ifneq (,$(BUILD_DOCS))
68e7eb97	249	ifeq (, $(filter nocheck,$(DEB_BUILD_PROFILES)))
7958f3db XL	250	ifeq (, $(filter nocheck,$(DEB_BUILD_OPTIONS)))
7958f3db XL	251	# Run all rules that test the docs, i.e. in step.rs that depend on default:doc
f1b4ffd3	252	$(call RUN_TESTS,$(RUSTBUILD_TEST) --no-fail-fast src/tools/linkchecker $(RUSTBUILD_FLAGS))
7958f3db XL	253	endif
7958f3db XL	254	endif
68e7eb97	255	endif
04c12273	256
bf52bd52 XL	257	run_rustbuild:
	258	DESTDIR=$(DEB_DESTDIR) $(RUSTBUILD) $(X_CMD) $(RUSTBUILD_FLAGS) $(X_FLAGS)
	259
23d2674b	260	override_dh_auto_install:
6a9e99e9	261	DESTDIR=$(DEB_DESTDIR) $(RUSTBUILD) install $(RUSTBUILD_FLAGS)
525ff0f9 AL	262
	263	mkdir -p $(DEB_DESTDIR)/usr/lib/$(DEB_HOST_MULTIARCH)/
	264	mv $(DEB_DESTDIR)/usr/lib/lib*.so $(DEB_DESTDIR)/usr/lib/$(DEB_HOST_MULTIARCH)/
6fce0a99	265
1261b4b3	266	# Replace duplicated compile-time/run-time dylibs with symlinks
525ff0f9 AL	267	@set -e; \
	268	for f in $(DEB_DESTDIR)/usr/lib/rustlib/$(DEB_HOST_RUST_TYPE)/lib/lib*.so; do \
	269	name=$${f##*/}; \
	270	if [ -f "$(DEB_DESTDIR)/usr/lib/$(DEB_HOST_MULTIARCH)/$$name" ]; then \
	271	echo "ln -sf ../../../$(DEB_HOST_MULTIARCH)/$$name $$f"; \
	272	ln -sf ../../../$(DEB_HOST_MULTIARCH)/$$name $$f; \
	273	fi; \
1261b4b3 AL	274	done
1261b4b3 AL	275
525ff0f9	276	ifneq (,$(BUILD_DOCS))
6fce0a99 SL	277	# Brute force to remove privacy-breach-logo lintian warning.
	278	# We could have updated the upstream sources but it would complexify
	279	# the rebase
b556761e AL	280	@set -e; \
b556761e AL	281	find $(DEB_DESTDIR)/usr/share/doc/rust/html -iname '*.html' \| \
1add0b94	282	while read file; do \
b556761e	283	topdir=$$(echo "$$file" \| sed 's,^$(DEB_DESTDIR)/usr/share/doc/rust/html/,,; s,/[^/]$$,/,; s,^[^/]$$,,; s,[^/]\+/,../,g'); \
92f6ea48	284	sed -i -e "s,https://doc.rust-lang.org/\(favicon.ico\\|logos/rust-logo-32x32-blk.png\),$${topdir}rust-logo-32x32-blk.png," \
87a30969	285	-e "s,https://www.rust-lang.org/\(favicon.ico\\|logos/rust-logo-32x32-blk.png\),$${topdir}rust-logo-32x32-blk.png," "$$file"; \
1add0b94	286	done
b125a683 MO	287	find $(DEB_DESTDIR) \( -iname '.html' -empty -o -name .lock -o -name '.inc' \) -delete;
	288	endif
	289
cf9ecdde	290	override_dh_install-arch:
6fce0a99	291	dh_install
525ff0f9	292	dh_install -p$(LIBSTD_PKG) usr/lib/$(DEB_HOST_MULTIARCH)/
cd17b70a	293	dh_install -plibstd-rust-dev usr/lib/rustlib/$(DEB_HOST_RUST_TYPE)/lib/
525ff0f9	294
b5dfb68c	295	override_dh_install-indep: debian/rust-src.install debian/rust-src.links
a0022868	296	dh_install
525ff0f9 AL	297	chmod -x \
	298	debian/rust-gdb/usr/share/rust-gdb/*.py \
	299	debian/rust-lldb/usr/share/rust-lldb/*.py
b5dfb68c	300	$(RM) -rf $(SRC_CLEAN:%=debian/rust-src/usr/src/rustc-$(RUST_LONG_VERSION)/%)
f40dfcc0	301	# Get rid of lintian warnings
b5dfb68c	302	find debian/rust-src/usr/src/rustc-$(RUST_LONG_VERSION) \
f40dfcc0 XL	303	\( -name .gitignore \
	304	-o -name 'LICENSE*' \
	305	-o -name 'LICENCE' \
	306	-o -name 'license' \
	307	-o -name 'COPYING*' \
	308	\) -delete
1c8ac2b0	309
bc0aa84e	310	override_dh_installchangelogs:
646c45f9	311	dh_missing --list-missing \|\| true
bc0aa84e AL	312	dh_installchangelogs RELEASES.md
	313
	314	override_dh_installdocs:
	315	dh_installdocs -X.tex -X.aux -X.log -X.out -X.toc
	316
eef1f4e3 AL	317	override_dh_compress:
	318	dh_compress -X.woff
	319
d2456730 XL	320	override_dh_strip:
	321	# Work around #35733, #468333
	322	find debian/libstd-rust-dev/ -name '*.rlib' -execdir mv '{}' '{}.a' \;
	323	# This is expected to print out lots of "File format unrecognized" warnings about
	324	# rust.metadata.bin and *.deflate but the .o files inside the rlibs should be stripped
	325	# Some files are still omitted because of #875780 however.
	326	dh_strip -v
	327	find debian/libstd-rust-dev/ -name '*.rlib.a' -execdir sh -c 'mv "$$1" "$${1%.a}"' - '{}' \;
	328
525ff0f9 AL	329	override_dh_makeshlibs:
	330	dh_makeshlibs -V
	331
	332	# dh_makeshlibs doesn't support our "libfoo-version.so" naming
	333	# structure, so we have to do this ourselves.
	334	install -o 0 -g 0 -d debian/$(LIBSTD_PKG)/DEBIAN
33766656	335	LC_ALL=C ls debian/$(LIBSTD_PKG)/usr/lib/$(DEB_HOST_MULTIARCH)/lib*.so \| \
525ff0f9 AL	336	sed -n 's,^./\(lib.\)-\(.\+\)\.so$$,\1 \2,p' \| \
	337	while read name version; do \
	338	echo "$$name $$version $(LIBSTD_PKG) (>= $(DEB_VERSION_UPSTREAM))"; \
	339	done > debian/$(LIBSTD_PKG)/DEBIAN/shlibs
	340	chmod 644 debian/$(LIBSTD_PKG)/DEBIAN/shlibs
	341	chown 0:0 debian/$(LIBSTD_PKG)/DEBIAN/shlibs
	342
	343	override_dh_shlibdeps:
	344	dh_shlibdeps -- -x$(LIBSTD_PKG)
427dce5b XL	345
427dce5b XL	346	QUILT_SPECIAL_SNOWFLAKE_RETURN_CODE = x=$$?; if [ $$x = 2 ]; then exit 0; else exit $$x; fi
75be2bb3	347	source_orig-stage0:
16dfb283 XL	348	QUILT_PATCHES=debian/patches quilt push -aq; $(QUILT_SPECIAL_SNOWFLAKE_RETURN_CODE)
16dfb283 XL	349	$(MAKE) -f debian/rules clean
75be2bb3	350	debian/make_orig-stage0_tarball.sh
16dfb283 XL	351	QUILT_PATCHES=debian/patches quilt pop -aq; $(QUILT_SPECIAL_SNOWFLAKE_RETURN_CODE)
16dfb283 XL	352	rm -rf .pc