---

yaml
---
r: 211559
b: refs/heads/master
c: a5979be
h: refs/heads/master
i:
  211557: baa8196
  211555: 1a9891a
  211551: f1d1a06
v: v3

Author: bors

[refs]

@@ -1,5 +1,5 @@
 ---
-refs/heads/master: bc85eb49f5d5ed88ba704df760c31ef7f47083ec
+refs/heads/master: a5979be9fefe671fa81ec70720234602f8112bec
 refs/heads/snap-stage1: e33de59e47c5076a89eadeb38f4934f58a3618a6
 refs/heads/snap-stage3: ba0e1cd8147d452c356aacb29fb87568ca26f111
 refs/heads/try: 1864973ae17213c5a58c4dd3f9af6d1b6c7d2e05

trunk/CONTRIBUTING.md

@@ -84,7 +84,8 @@ feature. We use the 'fork and pull' model described there.
 Please make pull requests against the `master` branch.
 
 All pull requests are reviewed by another person. We have a bot,
-@rust-highfive, that will automatically assign a random person to review your request.
+@rust-highfive, that will automatically assign a random person to review your
+request.
 
 If you want to request that a specific person reviews your pull request,
 you can add an `r?` to the message. For example, Steve usually reviews
@@ -124,6 +125,10 @@ To save @bors some work, and to get small changes through more quickly, when
 the other rollup-eligible patches too, and they'll get tested and merged at
 the same time.
 
+To find documentation-related issues, sort by the [A-docs label][adocs]. 
+
+[adocs]: https://github.com/rust-lang/rust/issues?q=is%3Aopen+is%3Aissue+label%3AA-docs
+
 ## Issue Triage
 
 Sometimes, an issue will stay open, even though the bug has been fixed. And
@@ -132,8 +137,40 @@ meantime.
 
 It can be helpful to go through older bug reports and make sure that they are
 still valid. Load up an older issue, double check that it's still true, and
-leave a comment letting us know if it is or is not. The [least recently updated sort][lru] is good for finding issues like this.
+leave a comment letting us know if it is or is not. The [least recently
+updated sort][lru] is good for finding issues like this.
+
+Contributors with sufficient permissions on the Rust repo can help by adding
+labels to triage issues:
+
+* Yellow, **A**-prefixed labels state which **area** of the project an issue
+  relates to. 
+
+* Magenta, **B**-prefixed labels identify bugs which **belong** elsewhere. 
+
+* Green, **E**-prefixed labels explain the level of **experience** necessary
+  to fix the issue.
+
+* Red, **I**-prefixed labels indicate the **importance** of the issue. The
+  [I-nominated][inom] label indicates that an issue has been nominated for
+  prioritizing at the next triage meeting. 
+
+* Orange, **P**-prefixed labels indicate a bug's **priority**. These labels
+  are only assigned during triage meetings, and replace the [I-nominated][inom]
+  label. 
+
+* Blue, **T**-prefixed bugs denote which **team** the issue belongs to.
+
+* Dark blue, **beta-** labels track changes which need to be backported into
+  the beta branches. 
+ 
+* The purple **metabug** label marks lists of bugs collected by other
+  categories.  
+
+If you're looking for somewhere to start, check out the [E-easy][eeasy] tag. 
 
+[inom]: https://github.com/rust-lang/rust/issues?q=is%3Aopen+is%3Aissue+label%3AI-nominated
+[eeasy]: https://github.com/rust-lang/rust/issues?q=is%3Aopen+is%3Aissue+label%3AE-easy
 [lru]: https://github.com/rust-lang/rust/issues?q=is%3Aissue+is%3Aopen+sort%3Aupdated-asc
 
 ## Out-of-tree Contributions

trunk/configure

@@ -565,7 +565,7 @@ opt rpath 0 "build rpaths into rustc itself"
 # This is used by the automation to produce single-target nightlies
 opt dist-host-only 0 "only install bins for the host architecture"
 opt inject-std-version 1 "inject the current compiler version of libstd into programs"
-opt llvm-version-check 1 "don't check if the LLVM version is supported, build anyway"
+opt llvm-version-check 1 "check if the LLVM version is supported, build anyway"
 
 # Optimization and debugging options. These may be overridden by the release channel, etc.
 opt_nosave optimize 1 "build optimized rust code"
@@ -593,6 +593,7 @@ valopt musl-root "/usr/local" "MUSL root installation directory"
 opt_nosave manage-submodules 1 "let the build manage the git submodules"
 opt_nosave clang 0 "prefer clang to gcc for building the runtime"
 opt_nosave jemalloc 1 "build liballoc with jemalloc"
+opt elf-tls 1 "elf thread local storage on platforms where supported"
 
 valopt_nosave prefix "/usr/local" "set installation prefix"
 valopt_nosave local-rust-root "/usr/local" "set prefix for local rust binary"
@@ -863,11 +864,6 @@ then
     CFG_DISABLE_JEMALLOC=1
 fi
 
-if [ -z "$CFG_ENABLE_CLANG" -a -z "$CFG_GCC" ]
-then
-    err "either clang or gcc is required"
-fi
-
 # OS X 10.9, gcc is actually clang. This can cause some confusion in the build
 # system, so if we find that gcc is clang, we should just use clang directly.
 if [ $CFG_OSTYPE = apple-darwin -a -z "$CFG_ENABLE_CLANG" ]

trunk/man/rustc.1

@@ -1,4 +1,4 @@
-.TH RUSTC "1" "March 2014" "rustc 0.13.0" "User Commands"
+.TH RUSTC "1" "August 2015" "rustc 1.2.0" "User Commands"
 .SH NAME
 rustc \- The Rust compiler
 .SH SYNOPSIS
@@ -160,7 +160,7 @@ If the value is 'help', then a list of available CPUs is printed.
 \fBtarget\-feature\fR='\fI+feature1\fR,\fI\-feature2\fR'
 A comma\[hy]separated list of features to enable or disable for the target.
 A preceding '+' enables a feature while a preceding '\-' disables it.
-Available features can be discovered through \fItarget\-cpu=help\fR.
+Available features can be discovered through \fIllc -mcpu=help\fR.
 .TP
 \fBpasses\fR=\fIval\fR
 A space\[hy]separated list of extra LLVM passes to run.

trunk/man/rustdoc.1

@@ -1,4 +1,4 @@
-.TH RUSTDOC "1" "March 2014" "rustdoc 0.13.0" "User Commands"
+.TH RUSTDOC "1" "August 2015" "rustdoc 1.2.0" "User Commands"
 .SH NAME
 rustdoc \- generate documentation from Rust source code
 .SH SYNOPSIS

trunk/mk/cfg/aarch64-linux-android.mk

@@ -1,7 +1,6 @@
 # aarch64-linux-android configuration
 # CROSS_PREFIX_aarch64-linux-android-
 CC_aarch64-linux-android=$(CFG_ANDROID_CROSS_PATH)/bin/aarch64-linux-android-gcc
-LINK_aarch64-linux-android=$(CFG_ANDROID_CROSS_PATH)/bin/aarch64-linux-android-gcc
 CXX_aarch64-linux-android=$(CFG_ANDROID_CROSS_PATH)/bin/aarch64-linux-android-g++
 CPP_aarch64-linux-android=$(CFG_ANDROID_CROSS_PATH)/bin/aarch64-linux-android-gcc -E
 AR_aarch64-linux-android=$(CFG_ANDROID_CROSS_PATH)/bin/aarch64-linux-android-ar

trunk/mk/cfg/aarch64-unknown-linux-gnu.mk

@@ -1,7 +1,6 @@
 # aarch64-unknown-linux-gnu configuration
 CROSS_PREFIX_aarch64-unknown-linux-gnu=aarch64-linux-gnu-
 CC_aarch64-unknown-linux-gnu=gcc
-LINK_aarch64-unknown-linux-gnu=gcc
 CXX_aarch64-unknown-linux-gnu=g++
 CPP_aarch64-unknown-linux-gnu=gcc -E
 AR_aarch64-unknown-linux-gnu=ar

trunk/mk/cfg/arm-linux-androideabi.mk

@@ -1,5 +1,4 @@
 # arm-linux-androideabi configuration
-LINK_arm-linux-androideabi=$(CFG_ANDROID_CROSS_PATH)/bin/arm-linux-androideabi-gcc
 CC_arm-linux-androideabi=$(CFG_ANDROID_CROSS_PATH)/bin/arm-linux-androideabi-gcc
 CXX_arm-linux-androideabi=$(CFG_ANDROID_CROSS_PATH)/bin/arm-linux-androideabi-g++
 CPP_arm-linux-androideabi=$(CFG_ANDROID_CROSS_PATH)/bin/arm-linux-androideabi-gcc -E

trunk/mk/cfg/x86_64-pc-windows-gnu.mk

@@ -1,7 +1,6 @@
 # x86_64-pc-windows-gnu configuration
 CROSS_PREFIX_x86_64-pc-windows-gnu=x86_64-w64-mingw32-
 CC_x86_64-pc-windows-gnu=gcc
-LINK_x86_64-pc-windows-gnu=gcc
 CXX_x86_64-pc-windows-gnu=g++
 CPP_x86_64-pc-windows-gnu=gcc -E
 AR_x86_64-pc-windows-gnu=ar

trunk/mk/cfg/x86_64-pc-windows-msvc.mk

@@ -80,3 +80,8 @@ CUSTOM_DEPS_rustc_llvm_T_x86_64-pc-windows-msvc += \
 x86_64-pc-windows-msvc/rt/rustc_llvm.def: $(S)src/etc/mklldef.py \
 			$(S)src/librustc_llvm/lib.rs
 	$(CFG_PYTHON) $^ $@ rustc_llvm-$(CFG_FILENAME_EXTRA)
+
+# All windows nightiles are currently a GNU triple, so this MSVC triple is not
+# bootstrapping from itself. This is relevant during stage0, and other parts of
+# the build system take this into account.
+BOOTSTRAP_FROM_x86_64-pc-windows-msvc := x86_64-pc-windows-gnu

trunk/mk/crates.mk

@@ -150,3 +150,7 @@ TOOL_INPUTS_$(1) := $$(call rwildcard,$$(dir $$(TOOL_SOURCE_$(1))),*.rs)
 endef
 
 $(foreach crate,$(TOOLS),$(eval $(call RUST_TOOL,$(crate))))
+
+ifdef CFG_DISABLE_ELF_TLS
+RUSTFLAGS_std := --cfg no_elf_tls
+endif

trunk/mk/debuggers.mk

@@ -15,7 +15,8 @@
 
 ## GDB ##
 DEBUGGER_RUSTLIB_ETC_SCRIPTS_GDB=gdb_load_rust_pretty_printers.py \
-                                 gdb_rust_pretty_printing.py
+                                 gdb_rust_pretty_printing.py \
+                                 debugger_pretty_printers_common.py
 DEBUGGER_RUSTLIB_ETC_SCRIPTS_GDB_ABS=\
     $(foreach script,$(DEBUGGER_RUSTLIB_ETC_SCRIPTS_GDB), \
         $(CFG_SRC_DIR)src/etc/$(script))
@@ -27,7 +28,8 @@ DEBUGGER_BIN_SCRIPTS_GDB_ABS=\
 
 
 ## LLDB ##
-DEBUGGER_RUSTLIB_ETC_SCRIPTS_LLDB=lldb_rust_formatters.py
+DEBUGGER_RUSTLIB_ETC_SCRIPTS_LLDB=lldb_rust_formatters.py \
+                                  debugger_pretty_printers_common.py
 DEBUGGER_RUSTLIB_ETC_SCRIPTS_LLDB_ABS=\
     $(foreach script,$(DEBUGGER_RUSTLIB_ETC_SCRIPTS_LLDB), \
         $(CFG_SRC_DIR)src/etc/$(script))

trunk/mk/main.mk

@@ -74,9 +74,6 @@ ifneq ($(wildcard $(subst $(SPACE),\$(SPACE),$(CFG_GIT_DIR))),)
 endif
 endif
 
-CFG_BUILD_DATE = $(shell date +%F)
-CFG_VERSION += (built $(CFG_BUILD_DATE))
-
 # Windows exe's need numeric versions - don't use anything but
 # numbers and dots here
 CFG_VERSION_WIN = $(CFG_RELEASE_NUM)
@@ -130,9 +127,7 @@ CFG_JEMALLOC_FLAGS += $(JEMALLOC_FLAGS)
 
 ifdef CFG_ENABLE_DEBUG_ASSERTIONS
   $(info cfg: enabling debug assertions (CFG_ENABLE_DEBUG_ASSERTIONS))
-  CFG_RUSTC_FLAGS += --cfg debug -C debug-assertions=on
-else
-  CFG_RUSTC_FLAGS += --cfg ndebug
+  CFG_RUSTC_FLAGS += -C debug-assertions=on
 endif
 
 ifdef CFG_ENABLE_DEBUGINFO
@@ -334,7 +329,6 @@ endif
 ifdef CFG_VER_HASH
 export CFG_VER_HASH
 endif
-export CFG_BUILD_DATE
 export CFG_VERSION
 export CFG_VERSION_WIN
 export CFG_RELEASE

trunk/mk/platform.mk

@@ -120,6 +120,15 @@ endef
 $(foreach target,$(CFG_TARGET), \
   $(eval $(call ADD_INSTALLED_OBJECTS,$(target))))
 
+define DEFINE_LINKER
+  ifndef LINK_$(1)
+    LINK_$(1) := $$(CC_$(1))
+  endif
+endef
+
+$(foreach target,$(CFG_TARGET), \
+  $(eval $(call DEFINE_LINKER,$(target))))
+
 # The -Qunused-arguments sidesteps spurious warnings from clang
 define FILTER_FLAGS
   ifeq ($$(CFG_USING_CLANG),1)

trunk/mk/target.mk

@@ -181,3 +181,42 @@ $(foreach host,$(CFG_HOST), \
   $(foreach stage,$(STAGES), \
    $(foreach tool,$(TOOLS), \
     $(eval $(call TARGET_TOOL,$(stage),$(target),$(host),$(tool)))))))
+
+# We have some triples which are bootstrapped from other triples, and this means
+# that we need to fixup some of the native tools that a triple depends on.
+#
+# For example, MSVC requires the llvm-ar.exe executable to manage archives, but
+# it bootstraps from the GNU Windows triple. This means that the compiler will
+# add this directory to PATH when executing new processes:
+#
+# 	$SYSROOT/rustlib/x86_64-pc-windows-gnu/bin
+#
+# Unfortunately, however, the GNU triple is not known about in stage0, so the
+# tools are actually located in:
+#
+# 	$SYSROOT/rustlib/x86_64-pc-windows-msvc/bin
+#
+# To remedy this problem, the rules below copy all native tool dependencies into
+# the bootstrap triple's location in stage 0 so the bootstrap compiler can find
+# the right sets of tools. Later stages (1+) will have the right host triple for
+# the compiler, so there's no need to worry there.
+#
+# $(1) - stage
+# $(2) - triple that's being used as host/target
+# $(3) - triple snapshot is built for
+# $(4) - crate
+# $(5) - tool
+define MOVE_TOOLS_TO_SNAPSHOT_HOST_DIR
+ifneq (,$(3))
+$$(TLIB$(1)_T_$(2)_H_$(2))/stamp.$(4): $$(HLIB$(1)_H_$(2))/rustlib/$(3)/bin/$(5)
+
+$$(HLIB$(1)_H_$(2))/rustlib/$(3)/bin/$(5): $$(TBIN$(1)_T_$(2)_H_$(2))/$(5)
+	mkdir -p $$(@D)
+	cp $$< $$@
+endif
+endef
+
+$(foreach target,$(CFG_TARGET), \
+ $(foreach crate,$(CRATES), \
+  $(foreach tool,$(NATIVE_TOOL_DEPS_$(crate)_T_$(target)), \
+   $(eval $(call MOVE_TOOLS_TO_SNAPSHOT_HOST_DIR,0,$(target),$(BOOTSTRAP_FROM_$(target)),$(crate),$(tool))))))

trunk/mk/tests.mk

@@ -172,23 +172,24 @@ check: check-sanitycheck cleantmptestlogs cleantestlibs all check-stage2 tidy
 	$(Q)$(CFG_PYTHON) $(S)src/etc/check-summary.py tmp/*.log
 
 # As above but don't bother running tidy.
-check-notidy: cleantmptestlogs cleantestlibs all check-stage2
+check-notidy: check-sanitycheck cleantmptestlogs cleantestlibs all check-stage2
 	$(Q)$(CFG_PYTHON) $(S)src/etc/check-summary.py tmp/*.log
 
 # A slightly smaller set of tests for smoke testing.
-check-lite: cleantestlibs cleantmptestlogs \
+check-lite: check-sanitycheck cleantestlibs cleantmptestlogs \
 	$(foreach crate,$(TEST_TARGET_CRATES),check-stage2-$(crate)) \
 	check-stage2-rpass check-stage2-rpass-valgrind \
 	check-stage2-rfail check-stage2-cfail check-stage2-pfail check-stage2-rmake
 	$(Q)$(CFG_PYTHON) $(S)src/etc/check-summary.py tmp/*.log
 
 # Only check the 'reference' tests: rpass/cfail/rfail/rmake.
-check-ref: cleantestlibs cleantmptestlogs check-stage2-rpass check-stage2-rpass-valgrind \
-	check-stage2-rfail check-stage2-cfail check-stage2-pfail check-stage2-rmake
+check-ref: check-sanitycheck cleantestlibs cleantmptestlogs check-stage2-rpass \
+	check-stage2-rpass-valgrind check-stage2-rfail check-stage2-cfail check-stage2-pfail \
+	check-stage2-rmake
 	$(Q)$(CFG_PYTHON) $(S)src/etc/check-summary.py tmp/*.log
 
 # Only check the docs.
-check-docs: cleantestlibs cleantmptestlogs check-stage2-docs
+check-docs: check-sanitycheck cleantestlibs cleantmptestlogs check-stage2-docs
 	$(Q)$(CFG_PYTHON) $(S)src/etc/check-summary.py tmp/*.log
 
 # Some less critical tests that are not prone to breakage.
@@ -581,10 +582,6 @@ ifeq ($(CFG_LLDB),)
 CTEST_DISABLE_debuginfo-lldb = "no lldb found"
 endif
 
-ifeq ($(CFG_CLANG),)
-CTEST_DISABLE_codegen = "no clang found"
-endif
-
 ifneq ($(CFG_OSTYPE),apple-darwin)
 CTEST_DISABLE_debuginfo-lldb = "lldb tests are only run on darwin"
 endif
@@ -645,7 +642,6 @@ CTEST_COMMON_ARGS$(1)-T-$(2)-H-$(3) := \
         --run-lib-path $$(TLIB$(1)_T_$(2)_H_$(3)) \
         --rustc-path $$(HBIN$(1)_H_$(3))/rustc$$(X_$(3)) \
         --rustdoc-path $$(HBIN$(1)_H_$(3))/rustdoc$$(X_$(3)) \
-        --clang-path $(if $(CFG_CLANG),$(CFG_CLANG),clang) \
         --llvm-bin-path $(CFG_LLVM_INST_DIR_$(CFG_BUILD))/bin \
         --aux-base $$(S)src/test/auxiliary/ \
         --stage-id stage$(1)-$(2) \

trunk/src/compiletest/common.rs

@@ -80,9 +80,6 @@ pub struct Config {
     // The python executable
     pub python: String,
 
-    // The clang executable
-    pub clang_path: Option<PathBuf>,
-
     // The llvm binaries path
     pub llvm_bin_path: Option<PathBuf>,