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Auto merge of #43270 - petrochenkov:fixstab, r=alexcrichton
[rust.git] / src / bootstrap / step.rs
diff --git a/src/bootstrap/step.rs b/src/bootstrap/step.rs
index ca829cc56683ffbec3830727e3ce8b7ea317d52a..a1b26f44b7de132317834581a4fdddf1eaf05188 100644 (file)
--- a/src/bootstrap/step.rs
+++ b/src/bootstrap/step.rs
@@ -28,6 +28,7 @@
 
 use std::collections::{BTreeMap, HashSet, HashMap};
 use std::mem;
+use std::path::PathBuf;
 use std::process;
 
 use check::{self, TestKind};
@@ -104,10 +105,10 @@ pub fn build_rules<'a>(build: &'a Build) -> Rules {
     rules.build("llvm", "src/llvm")
          .host(true)
          .dep(move |s| {
-             if s.target == build.config.build {
+             if s.target == build.build {
                  Step::noop()
              } else {
-                 s.target(&build.config.build)
+                 s.target(&build.build)
              }
          })
          .run(move |s| native::llvm(build, s.target));
@@ -124,7 +125,7 @@ pub fn build_rules<'a>(build: &'a Build) -> Rules {
                  Step::noop()
              } else {
                  s.name("librustc")
-                  .host(&build.config.build)
+                  .host(&build.build)
                   .stage(s.stage - 1)
              }
          })
@@ -148,7 +149,7 @@ pub fn build_rules<'a>(build: &'a Build) -> Rules {
                 }
             }
         }
-        return ret
+        ret
     };
 
     // ========================================================================
@@ -215,29 +216,29 @@ fn crate_rule<'a, 'b>(build: &'a Build,
         let mut rule = rules.build(&krate, "path/to/nowhere");
         rule.dep(move |s| {
                 if build.force_use_stage1(&s.compiler(), s.target) {
-                    s.host(&build.config.build).stage(1)
-                } else if s.host == build.config.build {
+                    s.host(&build.build).stage(1)
+                } else if s.host == build.build {
                     s.name(dep)
                 } else {
-                    s.host(&build.config.build)
+                    s.host(&build.build)
                 }
             })
             .run(move |s| {
                 if build.force_use_stage1(&s.compiler(), s.target) {
                     link(build,
-                         &s.stage(1).host(&build.config.build).compiler(),
+                         &s.stage(1).host(&build.build).compiler(),
                          &s.compiler(),
                          s.target)
-                } else if s.host == build.config.build {
+                } else if s.host == build.build {
                     link(build, &s.compiler(), &s.compiler(), s.target)
                 } else {
                     link(build,
-                         &s.host(&build.config.build).compiler(),
+                         &s.host(&build.build).compiler(),
                          &s.compiler(),
                          s.target)
                 }
             });
-            return rule
+            rule
     }
 
     // Similar to the `libstd`, `libtest`, and `librustc` rules above, except
@@ -269,7 +270,7 @@ fn crate_rule<'a, 'b>(build: &'a Build,
     for (krate, path, _default) in krates("std") {
         rules.build(&krate.build_step, path)
              .dep(|s| s.name("startup-objects"))
-             .dep(move |s| s.name("rustc").host(&build.config.build).target(s.host))
+             .dep(move |s| s.name("rustc").host(&build.build).target(s.host))
              .run(move |s| compile::std(build, s.target, &s.compiler()));
     }
     for (krate, path, _default) in krates("test") {
@@ -280,7 +281,7 @@ fn crate_rule<'a, 'b>(build: &'a Build,
     for (krate, path, _default) in krates("rustc-main") {
         rules.build(&krate.build_step, path)
              .dep(|s| s.name("libtest-link"))
-             .dep(move |s| s.name("llvm").host(&build.config.build).stage(0))
+             .dep(move |s| s.name("llvm").host(&build.build).stage(0))
              .dep(|s| s.name("may-run-build-script"))
              .run(move |s| compile::rustc(build, s.target, &s.compiler()));
     }
@@ -291,8 +292,8 @@ fn crate_rule<'a, 'b>(build: &'a Build,
     rules.build("may-run-build-script", "path/to/nowhere")
          .dep(move |s| {
              s.name("libstd-link")
-              .host(&build.config.build)
-              .target(&build.config.build)
+              .host(&build.build)
+              .target(&build.build)
          });
     rules.build("startup-objects", "src/rtstartup")
          .dep(|s| s.name("create-sysroot").target(s.host))
@@ -332,7 +333,7 @@ fn crate_rule<'a, 'b>(build: &'a Build,
               "incremental");
     }
 
-    if build.config.build.contains("msvc") {
+    if build.build.contains("msvc") {
         // nothing to do for debuginfo tests
     } else {
         rules.test("check-debuginfo-lldb", "src/test/debuginfo-lldb")
@@ -352,7 +353,7 @@ fn crate_rule<'a, 'b>(build: &'a Build,
                                          "debuginfo-gdb", "debuginfo"));
         let mut rule = rules.test("check-debuginfo", "src/test/debuginfo");
         rule.default(true);
-        if build.config.build.contains("apple") {
+        if build.build.contains("apple") {
             rule.dep(|s| s.name("check-debuginfo-lldb"));
         } else {
             rule.dep(|s| s.name("check-debuginfo-gdb"));
@@ -463,7 +464,7 @@ fn crate_rule<'a, 'b>(build: &'a Build,
     rules.test("check-linkchecker", "src/tools/linkchecker")
          .dep(|s| s.name("tool-linkchecker").stage(0))
          .dep(|s| s.name("default:doc"))
-         .default(true)
+         .default(build.config.docs)
          .host(true)
          .run(move |s| check::linkcheck(build, s.target));
     rules.test("check-cargotest", "src/tools/cargotest")
@@ -471,10 +472,14 @@ fn crate_rule<'a, 'b>(build: &'a Build,
          .dep(|s| s.name("librustc"))
          .host(true)
          .run(move |s| check::cargotest(build, s.stage, s.target));
-    rules.test("check-cargo", "cargo")
+    rules.test("check-cargo", "src/tools/cargo")
          .dep(|s| s.name("tool-cargo"))
          .host(true)
          .run(move |s| check::cargo(build, s.stage, s.target));
+    rules.test("check-rls", "src/tools/rls")
+         .dep(|s| s.name("tool-rls"))
+         .host(true)
+         .run(move |s| check::rls(build, s.stage, s.target));
     rules.test("check-tidy", "src/tools/tidy")
          .dep(|s| s.name("tool-tidy").stage(0))
          .default(true)
@@ -548,6 +553,10 @@ fn crate_rule<'a, 'b>(build: &'a Build,
          .dep(|s| s.name("maybe-clean-tools"))
          .dep(|s| s.name("librustc-tool"))
          .run(move |s| compile::tool(build, s.stage, s.target, "error_index_generator"));
+    rules.build("tool-unstable-book-gen", "src/tools/unstable-book-gen")
+         .dep(|s| s.name("maybe-clean-tools"))
+         .dep(|s| s.name("libstd-tool"))
+         .run(move |s| compile::tool(build, s.stage, s.target, "unstable-book-gen"));
     rules.build("tool-tidy", "src/tools/tidy")
          .dep(|s| s.name("maybe-clean-tools"))
          .dep(|s| s.name("libstd-tool"))
@@ -590,8 +599,8 @@ fn crate_rule<'a, 'b>(build: &'a Build,
              // Cargo depends on procedural macros, which requires a full host
              // compiler to be available, so we need to depend on that.
              s.name("librustc-link")
-              .target(&build.config.build)
-              .host(&build.config.build)
+              .target(&build.build)
+              .host(&build.build)
          })
          .run(move |s| compile::tool(build, s.stage, s.target, "cargo"));
     rules.build("tool-rls", "src/tools/rls")
@@ -602,8 +611,8 @@ fn crate_rule<'a, 'b>(build: &'a Build,
          .dep(move |s| {
              // rls, like cargo, uses procedural macros
              s.name("librustc-link")
-              .target(&build.config.build)
-              .host(&build.config.build)
+              .target(&build.build)
+              .host(&build.build)
          })
          .run(move |s| compile::tool(build, s.stage, s.target, "rls"));
 
@@ -631,8 +640,8 @@ fn crate_rule<'a, 'b>(build: &'a Build,
     rules.doc("doc-book", "src/doc/book")
          .dep(move |s| {
              s.name("tool-rustbook")
-              .host(&build.config.build)
-              .target(&build.config.build)
+              .host(&build.build)
+              .target(&build.build)
               .stage(0)
          })
          .default(build.config.docs)
@@ -640,8 +649,8 @@ fn crate_rule<'a, 'b>(build: &'a Build,
     rules.doc("doc-nomicon", "src/doc/nomicon")
          .dep(move |s| {
              s.name("tool-rustbook")
-              .host(&build.config.build)
-              .target(&build.config.build)
+              .host(&build.build)
+              .target(&build.build)
               .stage(0)
          })
          .default(build.config.docs)
@@ -649,8 +658,8 @@ fn crate_rule<'a, 'b>(build: &'a Build,
     rules.doc("doc-reference", "src/doc/reference")
          .dep(move |s| {
              s.name("tool-rustbook")
-              .host(&build.config.build)
-              .target(&build.config.build)
+              .host(&build.build)
+              .target(&build.build)
               .stage(0)
          })
          .default(build.config.docs)
@@ -658,27 +667,42 @@ fn crate_rule<'a, 'b>(build: &'a Build,
     rules.doc("doc-unstable-book", "src/doc/unstable-book")
          .dep(move |s| {
              s.name("tool-rustbook")
-              .host(&build.config.build)
-              .target(&build.config.build)
+              .host(&build.build)
+              .target(&build.build)
               .stage(0)
          })
+         .dep(move |s| s.name("doc-unstable-book-gen"))
          .default(build.config.docs)
-         .run(move |s| doc::rustbook(build, s.target, "unstable-book"));
+         .run(move |s| doc::rustbook_src(build,
+                                         s.target,
+                                         "unstable-book",
+                                         &build.md_doc_out(s.target)));
     rules.doc("doc-standalone", "src/doc")
          .dep(move |s| {
              s.name("rustc")
-              .host(&build.config.build)
-              .target(&build.config.build)
+              .host(&build.build)
+              .target(&build.build)
               .stage(0)
          })
          .default(build.config.docs)
          .run(move |s| doc::standalone(build, s.target));
     rules.doc("doc-error-index", "src/tools/error_index_generator")
-         .dep(move |s| s.name("tool-error-index").target(&build.config.build).stage(0))
+         .dep(move |s| s.name("tool-error-index").target(&build.build).stage(0))
          .dep(move |s| s.name("librustc-link"))
          .default(build.config.docs)
          .host(true)
          .run(move |s| doc::error_index(build, s.target));
+    rules.doc("doc-unstable-book-gen", "src/tools/unstable-book-gen")
+         .dep(move |s| {
+             s.name("tool-unstable-book-gen")
+              .host(&build.build)
+              .target(&build.build)
+              .stage(0)
+         })
+         .dep(move |s| s.name("libstd-link"))
+         .default(build.config.docs)
+         .host(true)
+         .run(move |s| doc::unstable_book_gen(build, s.target));
     for (krate, path, default) in krates("std") {
         rules.doc(&krate.doc_step, path)
              .dep(|s| s.name("libstd-link"))
@@ -706,7 +730,7 @@ fn crate_rule<'a, 'b>(build: &'a Build,
     // ========================================================================
     // Distribution targets
     rules.dist("dist-rustc", "src/librustc")
-         .dep(move |s| s.name("rustc").host(&build.config.build))
+         .dep(move |s| s.name("rustc").host(&build.build))
          .host(true)
          .only_host_build(true)
          .default(true)
@@ -792,7 +816,7 @@ fn crate_rule<'a, 'b>(build: &'a Build,
          .host(true)
          .only_build(true)
          .only_host_build(true)
-         .dep(move |s| s.name("tool-build-manifest").target(&build.config.build).stage(0))
+         .dep(move |s| s.name("tool-build-manifest").target(&build.build).stage(0))
          .run(move |_| dist::hash_and_sign(build));
 
     rules.install("install-docs", "src/doc")
@@ -842,8 +866,8 @@ fn crate_rule<'a, 'b>(build: &'a Build,
     /// Helper to depend on a stage0 build-only rust-installer tool.
     fn tool_rust_installer<'a>(build: &'a Build, step: &Step<'a>) -> Step<'a> {
         step.name("tool-rust-installer")
-            .host(&build.config.build)
-            .target(&build.config.build)
+            .host(&build.build)
+            .target(&build.build)
             .stage(0)
     }
 }
@@ -1039,8 +1063,8 @@ fn new(build: &'a Build) -> Rules<'a> {
             build: build,
             sbuild: Step {
                 stage: build.flags.stage.unwrap_or(2),
-                target: &build.config.build,
-                host: &build.config.build,
+                target: &build.build,
+                host: &build.build,
                 name: "",
             },
             rules: BTreeMap::new(),
@@ -1190,25 +1214,26 @@ fn plan(&self) -> Vec<Step<'a>> {
             if paths.len() == 0 && rule.default {
                 Some((rule, 0))
             } else {
-                paths.iter().position(|path| path.ends_with(rule.path))
+                paths.iter()
+                     .position(|path| path.ends_with(rule.path))
                      .map(|priority| (rule, priority))
             }
         }).collect();
 
+        if rules.is_empty() &&
+           !paths.get(0).unwrap_or(&PathBuf::new())
+                 .ends_with("nonexistent/path/to/trigger/cargo/metadata") {
+            println!("\nNothing to run...\n");
+            process::exit(1);
+        }
+
         rules.sort_by_key(|&(_, priority)| priority);
 
         rules.into_iter().flat_map(|(rule, _)| {
             let hosts = if rule.only_host_build || rule.only_build {
-                &self.build.config.host[..1]
-            } else if self.build.flags.host.len() > 0 {
-                &self.build.flags.host
-            } else {
-                &self.build.config.host
-            };
-            let targets = if self.build.flags.target.len() > 0 {
-                &self.build.flags.target
+                self.build.build_slice()
             } else {
-                &self.build.config.target
+                &self.build.hosts
             };
             // Determine the actual targets participating in this rule.
             // NOTE: We should keep the full projection from build triple to
@@ -1217,19 +1242,18 @@ fn plan(&self) -> Vec<Step<'a>> {
             // the original non-shadowed hosts array is used below.
             let arr = if rule.host {
                 // If --target was specified but --host wasn't specified,
-                // don't run any host-only tests. Also, respect any `--host`
-                // overrides as done for `hosts`.
+                // don't run any host-only tests.
                 if self.build.flags.host.len() > 0 {
-                    &self.build.flags.host[..]
+                    &self.build.hosts
                 } else if self.build.flags.target.len() > 0 {
                     &[]
                 } else if rule.only_build {
-                    &self.build.config.host[..1]
+                    self.build.build_slice()
                 } else {
-                    &self.build.config.host[..]
+                    &self.build.hosts
                 }
             } else {
-                targets
+                &self.build.targets
             };
 
             hosts.iter().flat_map(move |host| {
@@ -1307,7 +1331,7 @@ fn expand(&self, steps: &[Step<'a>]) -> Vec<Step<'a>> {
         for idx in 0..nodes.len() {
             self.topo_sort(idx, &idx_to_node, &edges, &mut visited, &mut order);
         }
-        return order
+        order
     }
 
     /// Builds the dependency graph rooted at `step`.
@@ -1346,7 +1370,7 @@ fn build_graph(&self,
         }
 
         edges.entry(idx).or_insert(HashSet::new()).extend(deps);
-        return idx
+        idx
     }
 
     /// Given a dependency graph with a finished list of `nodes`, fill out more
@@ -1475,8 +1499,8 @@ fn dist_baseline() {
         let step = super::Step {
             name: "",
             stage: 2,
-            host: &build.config.build,
-            target: &build.config.build,
+            host: &build.build,
+            target: &build.build,
         };
 
         assert!(plan.contains(&step.name("dist-docs")));
@@ -1498,8 +1522,8 @@ fn dist_with_targets() {
         let step = super::Step {
             name: "",
             stage: 2,
-            host: &build.config.build,
-            target: &build.config.build,
+            host: &build.build,
+            target: &build.build,
         };
 
         assert!(plan.contains(&step.name("dist-docs")));
@@ -1526,8 +1550,8 @@ fn dist_with_hosts() {
         let step = super::Step {
             name: "",
             stage: 2,
-            host: &build.config.build,
-            target: &build.config.build,
+            host: &build.build,
+            target: &build.build,
         };
 
         assert!(!plan.iter().any(|s| s.host == "B"));
@@ -1556,8 +1580,8 @@ fn dist_with_targets_and_hosts() {
         let step = super::Step {
             name: "",
             stage: 2,
-            host: &build.config.build,
-            target: &build.config.build,
+            host: &build.build,
+            target: &build.build,
         };
 
         assert!(!plan.iter().any(|s| s.host == "B"));
@@ -1593,8 +1617,8 @@ fn dist_target_with_target_flag() {
         let step = super::Step {
             name: "",
             stage: 2,
-            host: &build.config.build,
-            target: &build.config.build,
+            host: &build.build,
+            target: &build.build,
         };
 
         assert!(!plan.iter().any(|s| s.target == "A"));
@@ -1620,8 +1644,8 @@ fn dist_host_with_target_flag() {
         let step = super::Step {
             name: "",
             stage: 2,
-            host: &build.config.build,
-            target: &build.config.build,
+            host: &build.build,
+            target: &build.build,
         };
 
         assert!(!plan.iter().any(|s| s.target == "A"));
@@ -1664,8 +1688,8 @@ fn build_default() {
         let step = super::Step {
             name: "",
             stage: 2,
-            host: &build.config.build,
-            target: &build.config.build,
+            host: &build.build,
+            target: &build.build,
         };
 
         // rustc built for all for of (A, B) x (A, B)
Empowering everyone to build reliable and efficient software.