debian/rules

   1 #!/usr/bin/make -f
   2 # -*- makefile -*-
   3
   4 include /usr/share/dpkg/pkg-info.mk
   5 include /usr/share/dpkg/vendor.mk
   6 include /usr/share/dpkg/architecture.mk
   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 # Version of /usr/bin/rustc
  14 LOCAL_RUST_VERSION := $(shell rustc --version --verbose | sed -ne 's/^release: //p')
  15
  16 include /usr/share/dpkg/buildflags.mk
  17 # TODO: more correct to use `[build] rustflags = []` list syntax in Cargo.toml
  18 RUSTFLAGS = $(addprefix -C link-args=,$(LDFLAGS))
  19 export CFLAGS CXXFLAGS CPPFLAGS LDFLAGS RUSTFLAGS
  20 RUSTFLAGS += --remap-path-prefix=$(CURDIR)=/usr/src/rustc-$(RUST_LONG_VERSION)
  21 export CARGO_HOME = $(CURDIR)/debian/cargo
  22 ifneq (,$(filter $(DEB_BUILD_ARCH), sparc64))
  23 export CARGO_INCREMENTAL = 0
  24 endif
  25
  26 # Defines DEB_*_RUST_TYPE triples
  27 include debian/architecture.mk
  28 export DEB_HOST_RUST_TYPE
  29
  30 # Uncomment this to turn on verbose mode.
  31 #export DH_VERBOSE=1
  32
  33 DEB_DESTDIR := $(CURDIR)/debian/tmp
  34
  35 # Use system LLVM (comment out to use vendored LLVM)
  36 LLVM_VERSION = 8
  37 OLD_LLVM_VERSION = 7
  38 # Make it easier to test against a custom LLVM
  39 ifneq (,$(LLVM_DESTDIR))
  40 LLVM_LIBRARY_PATH := $(LLVM_DESTDIR)/usr/lib/$(DEB_HOST_MULTIARCH):$(LLVM_DESTDIR)/usr/lib
  41 LD_LIBRARY_PATH := $(if $(LD_LIBRARY_PATH),$(LD_LIBRARY_PATH):$(LLVM_LIBRARY_PATH),$(LLVM_LIBRARY_PATH))
  42 export LD_LIBRARY_PATH
  43 endif
  44
  45 RUSTBUILD = RUST_BACKTRACE=1 ./x.py
  46 RUSTBUILD_FLAGS = --config debian/config.toml -vvv --on-fail env
  47 # TODO: This should simply be "$(RUSTBUILD) test" but unfortunately this causes
  48 # an insane blow up in the time it takes to run tests. See upstream #37477 for
  49 # details. Upstream worked around it in #38984 but in Debian we can't take
  50 # advantage of that work-around, because we want as much debuginfo as possible
  51 # (so we set debuginfo-lines = true, debuginfo-only-std = false) so we have to
  52 # work around it instead by disabling backtrace when running tests.
  53 RUSTBUILD_TEST = ./x.py test
  54 # To run a specific test, run something like:
  55 #   $ debian/rules override_dh_auto_test-arch \
  56 #     RUSTBUILD_TEST_FLAGS="src/test/run-make --test-args extern-fn-struct"
  57 # See src/bootstrap/README.md for more options.
  58 RUSTBUILD_TEST_FLAGS =
  59
  60 update-version:
  61         oldver=$(shell $(SED_RUSTC_BUILDDEP) | sed -ne 's/.*(<= \(.*\)).*/\1/gp' | $(SED_VERSION_SHORT)); \
  62         newver=$(RUST_VERSION); \
  63         debian/update-version.sh $$oldver $$newver $(RUST_LONG_VERSION) $(CARGO_NEW)
  64
  65 # Below we detect how we're supposed to bootstrap the stage0 compiler. See
  66 # README.Debian for more details of the cases described below.
  67 #
  68 PRECONFIGURE_CHECK = :
  69 HAVE_BINARY_TARBALL := $(shell ls -1 stage0/*/*$(DEB_HOST_RUST_TYPE)* 2>/dev/null | wc -l)
  70 DOWNLOAD_BOOTSTRAP := false
  71 # allow not using the binary tarball although it exists
  72 #ifneq (,$(filter $(DEB_HOST_ARCH), amd64 arm64 armhf i386 powerpc ppc64el s390x))
  73 #  HAVE_BINARY_TARBALL := 0
  74 #endif
  75 ifeq (0,$(HAVE_BINARY_TARBALL))
  76     # Case A (Building from source): the extracted source tree does not include
  77     # a bootstrapping tarball for the current architecture e.g. because the
  78     # distro already has a rustc for this arch, or the uploader expects that
  79     # this requirement be fulfilled in some other way.
  80     #
  81     # Case A-1: the builder did not select the "pkg.rustc.dlstage0" build profile.
  82     # In this case, we use the distro's rustc - either the previous or current version.
  83     ifeq (,$(findstring pkg.rustc.dlstage0,$(DEB_BUILD_PROFILES)))
  84         # Make it easier to test against a custom rustc
  85         ifneq (,$(RUST_DESTDIR))
  86         RUST_LIBRARY_PATH := $(RUST_DESTDIR)/usr/lib/$(DEB_HOST_MULTIARCH):$(RUST_DESTDIR)/usr/lib
  87         LD_LIBRARY_PATH := $(if $(LD_LIBRARY_PATH),$(LD_LIBRARY_PATH):$(RUST_LIBRARY_PATH),$(RUST_LIBRARY_PATH))
  88         export LD_LIBRARY_PATH
  89         endif
  90     #
  91     # Case A-2: the builder selected the "dlstage0" build profile.
  92     # In this case, the rust build scripts will download a stage0 into stage0/ and use that.
  93     # We don't need to do anything specific in this build file, so this case is empty.
  94     else
  95         DOWNLOAD_BOOTSTRAP := true
  96     endif
  97 else
  98     # Case B (Bootstrapping a new distro): the extracted source tree does
  99     # include a bootstrapping tarball for the current architecture; see the
 100     # `source_orig-stage0` target below on how to build this.
 101     #
 102     # In this case, we'll bootstrap from the stage0 given in that tarball.
 103     # To ensure the uploader of the .dsc didn't make a mistake, we first check
 104     # that rustc isn't a Build-Depends for the current architecture.
 105     ifneq (,$(shell $(SED_RUSTC_BUILDDEP)))
 106     ifeq (,$(shell $(SED_RUSTC_BUILDDEP) | grep '!$(DEB_HOST_ARCH)'))
 107         PRECONFIGURE_CHECK = $(error found matches for stage0/*/*$(DEB_HOST_RUST_TYPE)*, \
 108           but rustc might be a Build-Depends for $(DEB_HOST_ARCH))
 109     endif
 110     endif
 111 endif
 112
 113 BUILD_DOCS := true
 114 ifneq (,$(findstring nodoc,$(DEB_BUILD_PROFILES)))
 115   BUILD_DOCS := false
 116 endif
 117
 118 MAKE_OPTIMISATIONS := true
 119 ifneq (,$(findstring noopt,$(DEB_BUILD_OPTIONS)))
 120   MAKE_OPTIMISATIONS := false
 121 endif
 122
 123 # Build products or non-source files in src/, that shouldn't go in rust-src
 124 SRC_CLEAN = src/bootstrap/bootstrap.pyc \
 125         src/etc/__pycache__/
 126
 127 # Workaround for linux #865549
 128 ifeq (0,$(shell test $$(uname -s) = "Linux" -a $$(getconf PAGESIZE) -gt 4096; echo $$?))
 129   SYSTEM_WORKAROUNDS += ulimit -s $$(expr $$(getconf PAGESIZE) / 1024 '*' 256 + 8192);
 130 endif
 131 # Try to work around #933045
 132 ifneq (,$(filter $(DEB_BUILD_ARCH), mips mipsel))
 133   SYSTEM_WORKAROUNDS += export MALLOC_ARENA_MAX=1;
 134 endif
 135
 136 %:
 137         $(SYSTEM_WORKAROUNDS) dh $@ --parallel
 138
 139 .PHONY: build
 140 build:
 141         $(SYSTEM_WORKAROUNDS) dh $@ --parallel
 142
 143 override_dh_clean:
 144         # Upstream contains a lot of these
 145         dh_clean -XCargo.toml.orig
 146
 147 debian/config.toml: debian/config.toml.in debian/rules
 148         u="$(DEB_VERSION_UPSTREAM)"; \
 149         if [ "$$u" != "$${u%~beta.*+dfsg*}" ]; then channel="beta"; \
 150         else channel="stable"; fi; echo $$channel; \
 151         m4  -DRELEASE_CHANNEL="$$channel" \
 152                 -DDEB_BUILD_RUST_TYPE="$(DEB_BUILD_RUST_TYPE)" \
 153                 -DDEB_HOST_RUST_TYPE="$(DEB_HOST_RUST_TYPE)" \
 154                 -DDEB_TARGET_RUST_TYPE="$(DEB_TARGET_RUST_TYPE)" \
 155                 -DDEB_BUILD_GNU_TYPE="$(DEB_BUILD_GNU_TYPE)" \
 156                 -DDEB_HOST_GNU_TYPE="$(DEB_HOST_GNU_TYPE)" \
 157                 -DDEB_TARGET_GNU_TYPE="$(DEB_TARGET_GNU_TYPE)" \
 158                 -DMAKE_OPTIMISATIONS="$(MAKE_OPTIMISATIONS)" \
 159                 -DLLVM_DESTDIR="$(LLVM_DESTDIR)" \
 160                 -DLLVM_VERSION="$(LLVM_VERSION)" \
 161                 -DRUST_DESTDIR="$(RUST_DESTDIR)" \
 162                 "$<" > "$@"
 163         if $(DOWNLOAD_BOOTSTRAP) || [ $(HAVE_BINARY_TARBALL) != 0 ]; \
 164           then sed -i -e '/^rustc = /d' -e '/^cargo = /d' "$@"; fi
 165 # Work around low-memory (32-bit) architectures: https://github.com/rust-lang/rust/issues/45854
 166 #ifneq (,$(filter $(DEB_BUILD_ARCH), armhf armel mips mipsel powerpc powerpcspe))
 167         sed -i -e 's/^debuginfo-level = .*/debuginfo-level = 0/g' "$@"
 168 #endif
 169
 170 debian/rust-src.%: debian/rust-src.%.in
 171         m4  -DRUST_LONG_VERSION="$(RUST_LONG_VERSION)" \
 172                 "$<" > "$@"
 173
 174 debian/dh_auto_configure.stamp: debian/config.toml
 175         # fail the build if we have any instances of OLD_LLVM_VERSION in debian, except for debian/changelog
 176         ! grep --color=always -i 'll\(..\|d\)-\?$(subst .,\.,$(OLD_LLVM_VERSION))' --exclude=changelog --exclude='*.patch' -R debian
 177         # fail the build if we accidentally vendored openssl, indicates we pulled in unnecessary dependencies
 178         test ! -e vendor/openssl
 179         # fail the build if our version contains ~exp and we are not releasing to experimental
 180         v="$(DEB_VERSION)"; test "$$v" = "$${v%~exp*}" -o "$(DEB_DISTRIBUTION)" = "experimental" -o "$(DEB_DISTRIBUTION)" = "UNRELEASED"
 181         $(PRECONFIGURE_CHECK)
 182         if [ -d stage0 ]; then mkdir -p build && ln -sfT ../stage0 build/cache; fi
 183         # work around #842634
 184         if test $$(grep "127.0.0.1\s*localhost" /etc/hosts | wc -l) -gt 1; then \
 185           debian/ensure-patch -N debian/patches/d-host-duplicates.patch; fi
 186         # We patched some crates so have to rm the checksums
 187         find vendor -name .cargo-checksum.json -execdir "$(CURDIR)/debian/prune-checksums" "{}" ";"
 188         # Link against system liblzma, see https://github.com/alexcrichton/xz2-rs/issues/16
 189         echo 'fn main() { println!("cargo:rustc-link-lib=lzma"); }' > vendor/lzma-sys/build.rs
 190         # We don't run ./configure because we use debian/config.toml directly
 191         ln -sf debian/config.toml config.toml
 192         touch "$@"
 193
 194 override_dh_auto_configure-arch: debian/dh_auto_configure.stamp
 195 override_dh_auto_configure-indep: debian/dh_auto_configure.stamp
 196 ifeq (true,$(BUILD_DOCS))
 197 # Change config.toml now and not later, since that might trigger a rebuild
 198         sed -i -e 's/^docs = false/docs = true/' debian/config.toml
 199 endif
 200
 201 override_dh_auto_clean:
 202         $(RM) -rf build tmp .cargo debian/cargo_home config.stamp config.mk Makefile
 203         $(RM) -rf $(TEST_LOG) debian/config.toml debian/rust-src.install debian/rust-src.links debian/*.stamp
 204         $(RM) -rf $(SRC_CLEAN) config.toml
 205
 206 debian/dh_auto_build.stamp:
 207         $(RUSTBUILD) build $(RUSTBUILD_FLAGS)
 208
 209 override_dh_auto_build-arch: debian/dh_auto_build.stamp
 210 override_dh_auto_build-indep: debian/dh_auto_build.stamp
 211 ifeq (true,$(BUILD_DOCS))
 212         $(RUSTBUILD) doc $(RUSTBUILD_FLAGS)
 213 endif
 214
 215 TEST_LOG = debian/rustc-tests.log
 216 # This is advertised as "5 tests failed" in README.Debian because our counting
 217 # method is imprecise and in practise we count some failures twice.
 218 FAILURES_ALLOWED = 8
 219 ifneq (,$(filter $(DEB_BUILD_ARCH), ppc64 arm64 mips64el i386))
 220   FAILURES_ALLOWED = 12
 221 endif
 222 ifneq (,$(filter $(DEB_BUILD_ARCH), mips mipsel s390x))
 223   FAILURES_ALLOWED = 24
 224 endif
 225 ifneq (,$(filter $(DEB_BUILD_ARCH), powerpc powerpcspe sparc64 x32))
 226   FAILURES_ALLOWED = 180
 227 endif
 228 FAILED_TESTS = grep "FAILED\|^command did not execute successfully" $(TEST_LOG) | grep -v '^test result: FAILED'
 229 override_dh_auto_test-arch:
 230         # ensure that rustc_llvm is actually dynamically linked to libLLVM
 231         set -e; find build/*/stage2/lib/rustlib/* -name '*rustc_llvm*.so' | \
 232         while read x; do \
 233                 stat -c '%s %n' "$$x"; \
 234                 objdump -p "$$x" | grep -q "NEEDED.*LLVM"; \
 235                 test "$$(stat -c %s "$$x")" -lt 6000000; \
 236         done
 237 ifeq (, $(filter nocheck,$(DEB_BUILD_PROFILES)))
 238 ifeq (, $(filter nocheck,$(DEB_BUILD_OPTIONS)))
 239         # TODO: eventually, drop --target $(DEB_HOST_RUST_TYPE) and run tests for
 240         # all targets including e.g. wasm32-unknown-unknown
 241         { $(RUSTBUILD_TEST) --no-fail-fast --target $(DEB_HOST_RUST_TYPE) $(RUSTBUILD_FLAGS) $(RUSTBUILD_TEST_FLAGS); echo $$?; } | tee -a $(TEST_LOG)
 242         # test that the log has at least 1 pass, to prevent e.g. #57709
 243         grep -l "^test .* \.\.\. ok$$" $(TEST_LOG)
 244         echo "==== Debian rustc test report ===="; \
 245         echo "Specific test failures:"; \
 246         $(FAILED_TESTS); \
 247         num_failures=$$($(FAILED_TESTS) | wc -l); \
 248         exit_code=$$(tail -n1 $(TEST_LOG)); \
 249         echo "Summary: exit code $$exit_code, counted $$num_failures tests failed."; \
 250         echo -n "$(FAILURES_ALLOWED) maximum allowed. "; \
 251         if test "$$num_failures" -eq 0 -a "$$exit_code" -ne 0; then \
 252           echo "Aborting just in case, because we missed counting some test failures."; \
 253           echo "This could happen if we failed to build the tests, or if the testsuite runner is buggy."; \
 254           false; \
 255         elif test "$$num_failures" -le $(FAILURES_ALLOWED); then \
 256           echo "Continuing..."; \
 257         else \
 258           echo "Aborting the build."; \
 259           echo "Check the logs further above for details."; \
 260           false; \
 261         fi
 262 # don't continue if RUSTBUILD_TEST_FLAGS is non-empty
 263         test -z "$(RUSTBUILD_TEST_FLAGS)"
 264 endif
 265 endif
 266
 267 override_dh_auto_test-indep:
 268 ifeq (true,$(BUILD_DOCS))
 269 ifeq (, $(filter nocheck,$(DEB_BUILD_PROFILES)))
 270 ifeq (, $(filter nocheck,$(DEB_BUILD_OPTIONS)))
 271         # Run all rules that test the docs, i.e. in step.rs that depend on default:doc
 272         $(RUSTBUILD_TEST) --no-fail-fast src/tools/linkchecker $(RUSTBUILD_FLAGS)
 273 endif
 274 endif
 275 endif
 276
 277 run_rustbuild:
 278         DESTDIR=$(DEB_DESTDIR) $(RUSTBUILD) $(X_CMD) $(RUSTBUILD_FLAGS) $(X_FLAGS)
 279
 280 debian/dh_auto_install.stamp:
 281         DESTDIR=$(DEB_DESTDIR) $(RUSTBUILD) install $(RUSTBUILD_FLAGS)
 282
 283         mkdir -p $(DEB_DESTDIR)/usr/lib/$(DEB_HOST_MULTIARCH)/
 284         mv $(DEB_DESTDIR)/usr/lib/lib*.so $(DEB_DESTDIR)/usr/lib/$(DEB_HOST_MULTIARCH)/
 285
 286         # Replace duplicated compile-time/run-time dylibs with symlinks
 287         @set -e; \
 288         for f in $(DEB_DESTDIR)/usr/lib/rustlib/$(DEB_HOST_RUST_TYPE)/lib/lib*.so; do \
 289           name=$${f##*/}; \
 290           if [ -f "$(DEB_DESTDIR)/usr/lib/$(DEB_HOST_MULTIARCH)/$$name" ]; then \
 291             echo "ln -sf ../../../$(DEB_HOST_MULTIARCH)/$$name $$f"; \
 292             ln -sf ../../../$(DEB_HOST_MULTIARCH)/$$name $$f; \
 293           fi; \
 294         done
 295
 296         touch "$@"
 297
 298 override_dh_auto_install-arch: debian/dh_auto_install.stamp
 299 override_dh_auto_install-indep: debian/dh_auto_install.stamp
 300 ifeq (true,$(BUILD_DOCS))
 301         # Brute force to remove privacy-breach-logo lintian warning.
 302         # We could have updated the upstream sources but it would complexify
 303         # the rebase
 304         @set -e; \
 305         find $(DEB_DESTDIR)/usr/share/doc/*/html -iname '*.html' | \
 306         while read file; do \
 307           topdir=$$(echo "$$file" | sed 's,^$(DEB_DESTDIR)/usr/share/doc/rust/html/,,; s,/[^/]*$$,/,; s,^[^/]*$$,,; s,[^/]\+/,../,g'); \
 308           sed -i \
 309             -e "s,https://\(doc\|www\).rust-lang.org/\(favicon.ico\|logos/rust-logo-32x32-blk.png\),$${topdir}rust-logo-32x32-blk.png," \
 310             -e 's,<img src="https://img.shields.io/[^"]*" alt="\([^"]*\)" />,<span class="deb-privacy-replace--shields-io">\1</span>,g' "$$file"; \
 311         done
 312         find $(DEB_DESTDIR) \( -iname '*.html' -empty -o -name .lock -o -name '*.inc' \) -delete;
 313 endif
 314
 315 override_dh_install-arch:
 316         dh_install
 317         dh_install -p$(LIBSTD_PKG) usr/lib/$(DEB_HOST_MULTIARCH)/
 318         dh_install -plibstd-rust-dev usr/lib/rustlib/$(DEB_HOST_RUST_TYPE)/lib/
 319         dh_install -prustc usr/lib/rustlib/$(DEB_HOST_RUST_TYPE)/codegen-backends/
 320
 321 override_dh_install-indep: debian/rust-src.install debian/rust-src.links
 322         dh_install
 323         dh_install -plibstd-rust-dev-wasm32-cross usr/lib/rustlib/wasm32-*/lib/
 324         chmod -x \
 325           debian/rust-gdb/usr/share/rust-gdb/*.py \
 326           debian/rust-lldb/usr/share/rust-lldb/*.py
 327         $(RM) -rf $(SRC_CLEAN:%=debian/rust-src/usr/src/rustc-$(RUST_LONG_VERSION)/%)
 328         # Get rid of lintian warnings
 329         find debian/rust-src/usr/src/rustc-$(RUST_LONG_VERSION) \
 330                 \( -name .gitignore \
 331                 -o -name 'LICENSE*' \
 332                 -o -name 'LICENCE' \
 333                 -o -name 'license' \
 334                 -o -name 'COPYING*' \
 335                 \) -delete
 336         # Remove files that autoload remote resources, caught by lintian
 337         $(RM) -rf debian/rust-src/usr/src/rustc-*/vendor/cssparser/docs/*.html
 338         $(RM) -rf debian/rust-src/usr/src/rustc-*/vendor/kuchiki/docs/*.html
 339         $(RM) -rf debian/rust-src/usr/src/rustc-*/vendor/url/docs/*.html
 340         $(RM) -rf debian/rust-src/usr/src/rustc-*/vendor/xz2/.gitmodules
 341
 342 override_dh_installchangelogs:
 343         dh_installchangelogs RELEASES.md
 344
 345 override_dh_installdocs:
 346         dh_installdocs -X.tex -X.aux -X.log -X.out -X.toc
 347
 348 override_dh_missing:
 349         dh_missing --list-missing
 350
 351 override_dh_compress:
 352         dh_compress -X.woff
 353
 354 override_dh_strip:
 355         # Work around #35733, #468333
 356         find debian/libstd-rust-dev*/ -name '*.rlib' -execdir mv '{}' '{}.a' \;
 357         # This is expected to print out lots of "File format unrecognized" warnings about
 358         # rust.metadata.bin and *.deflate but the .o files inside the rlibs should be stripped
 359         # Some files are still omitted because of #875780 however.
 360         dh_strip -v
 361         find debian/libstd-rust-dev*/ -name '*.rlib.a' -execdir sh -c 'mv "$$1" "$${1%.a}"' - '{}' \;
 362
 363 override_dh_makeshlibs:
 364         dh_makeshlibs -V
 365
 366         # dh_makeshlibs doesn't support our "libfoo-version.so" naming
 367         # structure, so we have to do this ourselves.
 368         install -o 0 -g 0 -d debian/$(LIBSTD_PKG)/DEBIAN
 369         LC_ALL=C ls debian/$(LIBSTD_PKG)/usr/lib/$(DEB_HOST_MULTIARCH)/lib*.so | \
 370         sed -n 's,^.*/\(lib.*\)-\(.\+\)\.so$$,\1 \2,p' | \
 371         while read name version; do \
 372           echo "$$name $$version $(LIBSTD_PKG) (>= $(DEB_VERSION_UPSTREAM))"; \
 373         done > debian/$(LIBSTD_PKG)/DEBIAN/shlibs
 374         chmod 644 debian/$(LIBSTD_PKG)/DEBIAN/shlibs
 375         chown 0:0 debian/$(LIBSTD_PKG)/DEBIAN/shlibs
 376
 377 override_dh_shlibdeps:
 378         dh_shlibdeps -- -x$(LIBSTD_PKG)
 379
 380 QUILT_SPECIAL_SNOWFLAKE_RETURN_CODE = x=$$?; if [ $$x = 2 ]; then exit 0; else exit $$x; fi
 381 source_orig-stage0:
 382         QUILT_PATCHES=debian/patches quilt push -aq; $(QUILT_SPECIAL_SNOWFLAKE_RETURN_CODE)
 383         $(MAKE) -f debian/rules clean
 384         debian/make_orig-stage0_tarball.sh
 385         QUILT_PATCHES=debian/patches quilt pop -aq; $(QUILT_SPECIAL_SNOWFLAKE_RETURN_CODE)
 386         rm -rf .pc
 387
 388 get_beta_version = \
 389         u="$(DEB_VERSION_UPSTREAM)"; \
 390         if [ "$$u" != "$${u%~beta.*+dfsg*}" ]; then \
 391         newver=$(shell echo $(RUST_VERSION) | perl -lpe 's/(\d+)\.(\d+)/$$1 . "." . ($$2)/e'); \
 392         else \
 393         newver=$(shell echo $(RUST_VERSION) | perl -lpe 's/(\d+)\.(\d+)/$$1 . "." . ($$2+1)/e'); \
 394         fi
 395
 396 debian/watch-beta: debian/watch-beta.in debian/rules
 397         set -e; $(get_beta_version); \
 398         m4 -DOLDVER="$$oldver" -DNEWVER="$$newver.0" "$<" > "$@"
 399
 400 source_orig-beta: debian/watch-beta
 401         uscan $(USCAN_OPTS) $(if $(USCAN_DESTDIR),--destdir=$(USCAN_DESTDIR),) --verbose --watchfile "$<"
 402         set -e; $(get_beta_version); \
 403         bd="$(if $(USCAN_DESTDIR),$(USCAN_DESTDIR),..)"; \
 404         tar xf $$bd/rustc-$$newver.0-beta.999-src.tar.xz rustc-beta-src/version; \
 405         bv="$$(sed -re 's/[0-9]+.[0-9]+.[0-9]+-beta.([0-9]+) \(.*\)/\1/g' rustc-beta-src/version)"; \
 406         bash -c 'shopt -s nullglob; for i in '"$$bd"'/rustc*beta.999*; do mv $$i $${i/beta.999/beta.'"$$bv"'}; done'; \
 407         rm -f rustc-beta-src/version; \
 408         rmdir -p rustc-beta-src; \
 409         echo "prepared rustc $$newver.0~beta.$$bv in $$bd"