---

yaml
---
r: 273855
b: refs/heads/beta
c: 08ca5d9
h: refs/heads/master
i:
  273853: 8e068c7
  273851: b6de95b
  273847: ebc2ee4
  273839: e7ec5a9
  273823: 099f943
  273791: 9efe71e

Author: alexcrichton

[refs]

@@ -23,7 +23,7 @@ refs/tags/0.9: 36870b185fc5f5486636d4515f0e22677493f225
 refs/tags/0.10: ac33f2b15782272ae348dbd7b14b8257b2148b5a
 refs/tags/0.11.0: e1247cb1d0d681be034adb4b558b5a0c0d5720f9
 refs/tags/0.12.0: f0c419429ef30723ceaf6b42f9b5a2aeb5d2e2d1
-refs/heads/beta: 1af79cf34e1fd6f38ba256631e2997ca650e490b
+refs/heads/beta: 08ca5d955832ee412250a776ce811c9d6abf2100
 refs/tags/1.0.0-alpha: e42bd6d93a1d3433c486200587f8f9e12590a4d7
 refs/heads/tmp: e06d2ad9fcd5027bcaac5b08fc9aa39a49d0ecd3
 refs/tags/1.0.0-alpha.2: 4c705f6bc559886632d3871b04f58aab093bfa2f

branches/beta/COMPILER_TESTS.md

@@ -77,7 +77,7 @@ fn test_foo() {
 }
 ```
 
-Note that not all headers have meaning when customized to a revision.
+Note that not all headers have meaning when customized too a revision.
 For example, the `ignore-test` header (and all "ignore" headers)
 currently only apply to the test as a whole, not to particular
 revisions. The only headers that are intended to really work when

branches/beta/CONTRIBUTING.md

@@ -71,8 +71,7 @@ which includes important information about what platform you're on, what
 version of Rust you're using, etc.
 
 Sometimes, a backtrace is helpful, and so including that is nice. To get
-a backtrace, set the `RUST_BACKTRACE` environment variable to a value
-other than `0`. The easiest way
+a backtrace, set the `RUST_BACKTRACE` environment variable. The easiest way
 to do this is to invoke `rustc` like this:
 
 ```bash

branches/beta/README.md

@@ -177,11 +177,10 @@ To contribute to Rust, please see [CONTRIBUTING](CONTRIBUTING.md).
 Rust has an [IRC] culture and most real-time collaboration happens in a
 variety of channels on Mozilla's IRC network, irc.mozilla.org. The
 most popular channel is [#rust], a venue for general discussion about
-Rust. And a good place to ask for help would be [#rust-beginners].
+Rust, and a good place to ask for help.
 
 [IRC]: https://en.wikipedia.org/wiki/Internet_Relay_Chat
 [#rust]: irc://irc.mozilla.org/rust
-[#rust-beginners]: irc://irc.mozilla.org/rust-beginners
 
 ## License
 

branches/beta/configure

@@ -1252,7 +1252,7 @@ $ pacman -R cmake && pacman -S mingw-w64-x86_64-cmake
                     bits=x86_64
                     msvc_part=amd64
                     ;;
-                i*86-*)
+                i686-*)
                     bits=i386
                     msvc_part=
                     ;;

branches/beta/man/rustc.1

@@ -268,15 +268,15 @@ the maximum number of threads used for this purpose.
 
 .TP
 \fBRUST_TEST_NOCAPTURE\fR
-If set to a value other than "0", a synonym for the --nocapture flag.
+A synonym for the --nocapture flag.
 
 .TP
 \fBRUST_MIN_STACK\fR
 Sets the minimum stack size for new threads.
 
 .TP
 \fBRUST_BACKTRACE\fR
-If set to a value different than "0", produces a backtrace in the output of a program which panics.
+If set, produces a backtrace in the output of a program which panics.
 
 .SH "EXAMPLES"
 To build an executable from a source file with a main function:

branches/beta/mk/crates.mk

@@ -58,7 +58,7 @@ RUSTC_CRATES := rustc rustc_typeck rustc_mir rustc_borrowck rustc_resolve rustc_
                 rustc_trans rustc_back rustc_llvm rustc_privacy rustc_lint \
                 rustc_data_structures rustc_front rustc_platform_intrinsics \
                 rustc_plugin rustc_metadata rustc_passes rustc_save_analysis \
-                rustc_const_eval rustc_const_math
+                rustc_const_eval
 HOST_CRATES := syntax syntax_ext $(RUSTC_CRATES) rustdoc fmt_macros \
 		flate arena graphviz rbml log serialize
 TOOLS := compiletest rustdoc rustc rustbook error_index_generator
@@ -92,39 +92,36 @@ DEPS_test := std getopts term native:rust_test_helpers
 DEPS_syntax := std term serialize log arena libc rustc_bitflags rustc_unicode
 DEPS_syntax_ext := syntax fmt_macros
 
-DEPS_rustc_const_math := std syntax log serialize
-DEPS_rustc_const_eval := rustc_const_math rustc syntax log serialize rustc_front \
-					     rustc_back graphviz
+DEPS_rustc_const_eval := std syntax
 
 DEPS_rustc := syntax fmt_macros flate arena serialize getopts rbml rustc_front\
               log graphviz rustc_back rustc_data_structures\
-		  	  rustc_const_math
+		  	  rustc_const_eval
 DEPS_rustc_back := std syntax rustc_front flate log libc
 DEPS_rustc_borrowck := rustc rustc_front rustc_mir log graphviz syntax
 DEPS_rustc_data_structures := std log serialize
 DEPS_rustc_driver := arena flate getopts graphviz libc rustc rustc_back rustc_borrowck \
                      rustc_typeck rustc_mir rustc_resolve log syntax serialize rustc_llvm \
 	             rustc_trans rustc_privacy rustc_lint rustc_front rustc_plugin \
-                     rustc_metadata syntax_ext rustc_passes rustc_save_analysis rustc_const_eval
+                     rustc_metadata syntax_ext rustc_passes rustc_save_analysis
 DEPS_rustc_front := std syntax log serialize
-DEPS_rustc_lint := rustc log syntax rustc_const_eval
+DEPS_rustc_lint := rustc log syntax
 DEPS_rustc_llvm := native:rustllvm libc std rustc_bitflags
-DEPS_rustc_metadata := rustc rustc_front syntax rbml rustc_const_math
-DEPS_rustc_passes := syntax rustc core rustc_front rustc_const_eval
-DEPS_rustc_mir := rustc rustc_front syntax rustc_const_math rustc_const_eval
+DEPS_rustc_metadata := rustc rustc_front syntax rbml rustc_const_eval
+DEPS_rustc_passes := syntax rustc core rustc_front
+DEPS_rustc_mir := rustc rustc_front syntax rustc_const_eval
 DEPS_rustc_resolve := arena rustc rustc_front log syntax
 DEPS_rustc_platform_intrinsics := std
 DEPS_rustc_plugin := rustc rustc_metadata syntax rustc_mir
 DEPS_rustc_privacy := rustc rustc_front log syntax
 DEPS_rustc_trans := arena flate getopts graphviz libc rustc rustc_back rustc_mir \
                     log syntax serialize rustc_llvm rustc_front rustc_platform_intrinsics \
-                    rustc_const_math rustc_const_eval
+					rustc_const_eval
 DEPS_rustc_save_analysis := rustc log syntax rustc_front
-DEPS_rustc_typeck := rustc syntax rustc_front rustc_platform_intrinsics rustc_const_math \
-                     rustc_const_eval
+DEPS_rustc_typeck := rustc syntax rustc_front rustc_platform_intrinsics rustc_const_eval
 
 DEPS_rustdoc := rustc rustc_driver native:hoedown serialize getopts \
-                test rustc_lint rustc_front rustc_const_eval
+                test rustc_lint rustc_front
 
 
 TOOL_DEPS_compiletest := test getopts log

branches/beta/mk/main.mk

@@ -493,7 +493,7 @@ endif
 LD_LIBRARY_PATH_ENV_HOSTDIR$(1)_T_$(2)_H_$(3) := \
     $$(CURDIR)/$$(HLIB$(1)_H_$(3)):$$(CFG_LLVM_INST_DIR_$(3))/lib
 LD_LIBRARY_PATH_ENV_TARGETDIR$(1)_T_$(2)_H_$(3) := \
-    $$(CURDIR)/$$(TLIB$(1)_T_$(2)_H_$(3))
+    $$(CURDIR)/$$(TLIB$(1)_T_$(2)_H_$(CFG_BUILD))
 
 HOST_RPATH_VAR$(1)_T_$(2)_H_$(3) := \
   $$(LD_LIBRARY_PATH_ENV_NAME$(1)_T_$(2)_H_$(3))=$$(LD_LIBRARY_PATH_ENV_HOSTDIR$(1)_T_$(2)_H_$(3)):$$$$$$(LD_LIBRARY_PATH_ENV_NAME$(1)_T_$(2)_H_$(3))
@@ -506,14 +506,18 @@ RPATH_VAR$(1)_T_$(2)_H_$(3) := $$(HOST_RPATH_VAR$(1)_T_$(2)_H_$(3))
 # if you're building a cross config, the host->* parts are
 # effectively stage1, since it uses the just-built stage0.
 #
-# Also be sure to use the right rpath because we're loading libraries from the
-# CFG_BUILD's stage1 directory for our target, so switch this one instance of
-# `RPATH_VAR` to get the bootstrap working.
+# This logic is similar to how the LD_LIBRARY_PATH variable must
+# change be slightly different when doing cross compilations.
+# The build doesn't copy over all target libraries into
+# a new directory, so we need to point the library path at
+# the build directory where all the target libraries came
+# from (the stage0 build host). Otherwise the relative rpaths
+# inside of the rustc binary won't get resolved correctly.
 ifeq ($(1),0)
 ifneq ($(strip $(CFG_BUILD)),$(strip $(3)))
 CFGFLAG$(1)_T_$(2)_H_$(3) = stage1
 
-RPATH_VAR$(1)_T_$(2)_H_$(3) := $$(TARGET_RPATH_VAR1_T_$(2)_H_$$(CFG_BUILD))
+RPATH_VAR$(1)_T_$(2)_H_$(3) := $$(TARGET_RPATH_VAR$(1)_T_$(2)_H_$(3))
 endif
 endif
 

branches/beta/mk/rt.mk

@@ -236,11 +236,11 @@ COMPRT_LIB_$(1) := $$(RT_OUTPUT_DIR_$(1))/$$(COMPRT_NAME_$(1))
 COMPRT_BUILD_DIR_$(1) := $$(RT_OUTPUT_DIR_$(1))/compiler-rt
 
 ifeq ($$(findstring msvc,$(1)),msvc)
-$$(COMPRT_LIB_$(1)): $$(COMPRT_DEPS) $$(MKFILE_DEPS) $$(LLVM_CONFIG_$$(CFG_BUILD))
+$$(COMPRT_LIB_$(1)): $$(COMPRT_DEPS) $$(MKFILE_DEPS) $$(LLVM_CONFIG_$(1))
 	@$$(call E, cmake: compiler-rt)
 	$$(Q)cd "$$(COMPRT_BUILD_DIR_$(1))"; $$(CFG_CMAKE) "$(S)src/compiler-rt" \
 		-DCMAKE_BUILD_TYPE=$$(LLVM_BUILD_CONFIG_MODE) \
-		-DLLVM_CONFIG_PATH=$$(LLVM_CONFIG_$$(CFG_BUILD)) \
+		-DLLVM_CONFIG_PATH=$$(LLVM_CONFIG_$(1)) \
 		-G"$$(CFG_CMAKE_GENERATOR)"
 	$$(Q)$$(CFG_CMAKE) --build "$$(COMPRT_BUILD_DIR_$(1))" \
 		--target lib/builtins/builtins \

branches/beta/src/bootstrap/build/compile.rs

@@ -123,38 +123,6 @@ fn build_startup_objects(build: &Build, target: &str, into: &Path) {
     }
 }
 
-/// Build libtest.
-///
-/// This will build libtest and supporting libraries for a particular stage of
-/// the build using the `compiler` targeting the `target` architecture. The
-/// artifacts created will also be linked into the sysroot directory.
-pub fn test<'a>(build: &'a Build, target: &str, compiler: &Compiler<'a>) {
-    println!("Building stage{} test artifacts ({} -> {})", compiler.stage,
-             compiler.host, target);
-    let out_dir = build.cargo_out(compiler, Mode::Libtest, target);
-    build.clear_if_dirty(&out_dir, &libstd_shim(build, compiler, target));
-    let mut cargo = build.cargo(compiler, Mode::Libtest, target, "build");
-    cargo.arg("--manifest-path")
-         .arg(build.src.join("src/rustc/test_shim/Cargo.toml"));
-    build.run(&mut cargo);
-    test_link(build, target, compiler, compiler.host);
-}
-
-/// Link all libtest rlibs/dylibs into the sysroot location.
-///
-/// Links those artifacts generated in the given `stage` for `target` produced
-/// by `compiler` into `host`'s sysroot.
-pub fn test_link(build: &Build,
-                 target: &str,
-                 compiler: &Compiler,
-                 host: &str) {
-    let target_compiler = Compiler::new(compiler.stage, host);
-    let libdir = build.sysroot_libdir(&target_compiler, target);
-    let out_dir = build.cargo_out(compiler, Mode::Libtest, target);
-    add_to_sysroot(&out_dir, &libdir);
-}
-
-
 /// Build the compiler.
 ///
 /// This will build the compiler for a particular stage of the build using
@@ -165,7 +133,7 @@ pub fn rustc<'a>(build: &'a Build, target: &str, compiler: &Compiler<'a>) {
              compiler.stage, compiler.host, target);
 
     let out_dir = build.cargo_out(compiler, Mode::Librustc, target);
-    build.clear_if_dirty(&out_dir, &libtest_shim(build, compiler, target));
+    build.clear_if_dirty(&out_dir, &libstd_shim(build, compiler, target));
 
     let mut cargo = build.cargo(compiler, Mode::Librustc, target, "build");
     cargo.arg("--features").arg(build.rustc_features())
@@ -234,12 +202,6 @@ fn libstd_shim(build: &Build, compiler: &Compiler, target: &str) -> PathBuf {
     build.cargo_out(compiler, Mode::Libstd, target).join("libstd_shim.rlib")
 }
 
-/// Cargo's output path for libtest in a given stage, compiled by a particular
-/// compiler for the specified target.
-fn libtest_shim(build: &Build, compiler: &Compiler, target: &str) -> PathBuf {
-    build.cargo_out(compiler, Mode::Libtest, target).join("libtest_shim.rlib")
-}
-
 fn compiler_file(compiler: &Path, file: &str) -> String {
     output(Command::new(compiler)
                    .arg(format!("-print-file-name={}", file))).trim().to_string()

branches/beta/src/bootstrap/build/doc.rs

@@ -122,22 +122,6 @@ pub fn std(build: &Build, stage: u32, host: &str, out: &Path) {
     cp_r(&out_dir, out)
 }
 
-pub fn test(build: &Build, stage: u32, host: &str, out: &Path) {
-    println!("Documenting stage{} test ({})", stage, host);
-    let compiler = Compiler::new(stage, host);
-    let out_dir = build.stage_out(&compiler, Mode::Libtest)
-                       .join(host).join("doc");
-    let rustdoc = build.rustdoc(&compiler);
-
-    build.clear_if_dirty(&out_dir, &rustdoc);
-
-    let mut cargo = build.cargo(&compiler, Mode::Libtest, host, "doc");
-    cargo.arg("--manifest-path")
-         .arg(build.src.join("src/rustc/test_shim/Cargo.toml"));
-    build.run(&mut cargo);
-    cp_r(&out_dir, out)
-}
-
 pub fn rustc(build: &Build, stage: u32, host: &str, out: &Path) {
     println!("Documenting stage{} compiler ({})", stage, host);
     let compiler = Compiler::new(stage, host);

branches/beta/src/bootstrap/build/mod.rs

@@ -88,7 +88,6 @@ pub struct Build {
 
 pub enum Mode {
     Libstd,
-    Libtest,
     Librustc,
     Tool,
 }
@@ -142,13 +141,9 @@ impl Build {
             return clean::clean(self);
         }
 
-        self.verbose("finding compilers");
         cc::find(self);
-        self.verbose("running sanity check");
         sanity::check(self);
-        self.verbose("collecting channel variables");
         channel::collect(self);
-        self.verbose("updating submodules");
         self.update_submodules();
 
         for target in step::all(self) {
@@ -163,18 +158,12 @@ impl Build {
                 Libstd { compiler } => {
                     compile::std(self, target.target, &compiler);
                 }
-                Libtest { compiler } => {
-                    compile::test(self, target.target, &compiler);
-                }
                 Librustc { compiler } => {
                     compile::rustc(self, target.target, &compiler);
                 }
                 LibstdLink { compiler, host } => {
                     compile::std_link(self, target.target, &compiler, host);
                 }
-                LibtestLink { compiler, host } => {
-                    compile::test_link(self, target.target, &compiler, host);
-                }
                 LibrustcLink { compiler, host } => {
                     compile::rustc_link(self, target.target, &compiler, host);
                 }
@@ -214,9 +203,6 @@ impl Build {
                 DocStd { stage } => {
                     doc::std(self, stage, target.target, &doc_out);
                 }
-                DocTest { stage } => {
-                    doc::test(self, stage, target.target, &doc_out);
-                }
                 DocRustc { stage } => {
                     doc::rustc(self, stage, target.target, &doc_out);
                 }
@@ -326,7 +312,13 @@ impl Build {
         if !target.contains("msvc") {
             cargo.env(format!("CC_{}", target), self.cc(target))
                  .env(format!("AR_{}", target), self.ar(target))
-                 .env(format!("CFLAGS_{}", target), self.cflags(target));
+                 .env(format!("CFLAGS_{}", target), self.cflags(target).join(" "));
+        }
+
+        // If we're building for OSX, inform the compiler and the linker that
+        // we want to build a compiler runnable on 10.7
+        if target.contains("apple-darwin") {
+            cargo.env("MACOSX_DEPLOYMENT_TARGET", "10.7");
         }
 
         // Environment variables *required* needed throughout the build
@@ -374,7 +366,6 @@ impl Build {
         let host = compiler.host;
         let paths = vec![
             self.cargo_out(compiler, Mode::Libstd, host).join("deps"),
-            self.cargo_out(compiler, Mode::Libtest, host).join("deps"),
             self.cargo_out(compiler, Mode::Librustc, host).join("deps"),
         ];
         add_lib_path(paths, &mut cmd);
@@ -429,8 +420,7 @@ impl Build {
     fn stage_out(&self, compiler: &Compiler, mode: Mode) -> PathBuf {
         let suffix = match mode {
             Mode::Libstd => "-std",
-            Mode::Libtest => "-test",
-            Mode::Tool | Mode::Librustc => "-rustc",
+            _ => "-rustc",
         };
         self.out.join(compiler.host)
                 .join(format!("stage{}{}", compiler.stage, suffix))
@@ -497,11 +487,20 @@ impl Build {
         self.cc[target].0.path()
     }
 
-    fn cflags(&self, target: &str) -> String {
-        self.cc[target].0.args().iter()
-            .map(|s| s.to_string_lossy())
-            .collect::<Vec<_>>()
-            .join(" ")
+    fn cflags(&self, target: &str) -> Vec<String> {
+        let mut base = self.cc[target].0.args().iter()
+                           .map(|s| s.to_string_lossy().into_owned())
+                           .collect::<Vec<_>>();
+
+        // If we're compiling on OSX then we add a few unconditional flags
+        // indicating that we want libc++ (more filled out than libstdc++) and
+        // we want to compile for 10.7. This way we can ensure that
+        // LLVM/jemalloc/etc are all properly compiled.
+        if target.contains("apple-darwin") {
+            base.push("-stdlib=libc++".into());
+            base.push("-mmacosx-version-min=10.7".into());
+        }
+        return base
     }
 
     fn ar(&self, target: &str) -> &Path {

branches/beta/src/bootstrap/build/native.rs

@@ -86,6 +86,9 @@ pub fn llvm(build: &Build, target: &str) {
               .define("CMAKE_CXX_COMPILER", build.cxx(target));
         }
         cfg.build_arg("-j").build_arg(build.jobs().to_string());
+
+        cfg.define("CMAKE_C_FLAGS", build.cflags(target).join(" "));
+        cfg.define("CMAKE_CXX_FLAGS", build.cflags(target).join(" "));
     }
 
     // FIXME: we don't actually need to build all LLVM tools and all LLVM