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rust/pull-49959.patch

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From f89f1b496c0c3b96aa8e41bef882131008dac6c3 Mon Sep 17 00:00:00 2001
From: Josh Stone <jistone@redhat.com>
Date: Fri, 13 Apr 2018 16:52:54 -0700
Subject: [PATCH 1/3] rustbuild: allow building tools with debuginfo
Debugging information for the extended tools is currently disabled for
concerns about the size. This patch adds `--enable-debuginfo-tools` to
let one opt into having that debuginfo.
This is useful for debugging the tools in distro packages. We always
strip debuginfo into separate packages anyway, so the extra size is not
a concern in regular use.
---
CONTRIBUTING.md | 1 +
config.toml.example | 4 ++++
src/bootstrap/builder.rs | 12 ++++++++----
src/bootstrap/config.rs | 5 +++++
src/bootstrap/configure.py | 1 +
5 files changed, 19 insertions(+), 4 deletions(-)
diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 70376c120f..fcd995b703 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -121,6 +121,7 @@ configuration used in the build process. Some options to note:
#### `[rust]`:
- `debuginfo = true` - Build a compiler with debuginfo. Makes building rustc slower, but then you can use a debugger to debug `rustc`.
- `debuginfo-lines = true` - An alternative to `debuginfo = true` that doesn't let you use a debugger, but doesn't make building rustc slower and still gives you line numbers in backtraces.
+- `debuginfo-tools = true` - Build the extended tools with debuginfo.
- `debug-assertions = true` - Makes the log output of `debug!` work.
- `optimize = false` - Disable optimizations to speed up compilation of stage1 rust, but makes the stage1 compiler x100 slower.
diff --git a/config.toml.example b/config.toml.example
index f153562a53..64e2f1b424 100644
--- a/config.toml.example
+++ b/config.toml.example
@@ -259,6 +259,10 @@
# standard library.
#debuginfo-only-std = false
+# Enable debuginfo for the extended tools: cargo, rls, rustfmt
+# Adding debuginfo increases their sizes by a factor of 3-4.
+#debuginfo-tools = false
+
# Whether or not jemalloc is built and enabled
#use-jemalloc = true
diff --git a/src/bootstrap/builder.rs b/src/bootstrap/builder.rs
index fcb78c479f..584c0cbe75 100644
--- a/src/bootstrap/builder.rs
+++ b/src/bootstrap/builder.rs
@@ -603,10 +603,14 @@ impl<'a> Builder<'a> {
cargo.env("RUSTDOC_LIBDIR", self.rustc_libdir(self.compiler(2, self.build.build)));
}
- if mode != Mode::Tool {
- // Tools don't get debuginfo right now, e.g. cargo and rls don't
- // get compiled with debuginfo.
- // Adding debuginfo increases their sizes by a factor of 3-4.
+ if mode == Mode::Tool {
+ // Tools like cargo and rls don't get debuginfo by default right now, but this can be
+ // enabled in the config. Adding debuginfo increases their sizes by a factor of 3-4.
+ if self.config.rust_debuginfo_tools {
+ cargo.env("RUSTC_DEBUGINFO", self.config.rust_debuginfo.to_string());
+ cargo.env("RUSTC_DEBUGINFO_LINES", self.config.rust_debuginfo_lines.to_string());
+ }
+ } else {
cargo.env("RUSTC_DEBUGINFO", self.config.rust_debuginfo.to_string());
cargo.env("RUSTC_DEBUGINFO_LINES", self.config.rust_debuginfo_lines.to_string());
cargo.env("RUSTC_FORCE_UNSTABLE", "1");
diff --git a/src/bootstrap/config.rs b/src/bootstrap/config.rs
index f3810ac869..ac64e6e8e3 100644
--- a/src/bootstrap/config.rs
+++ b/src/bootstrap/config.rs
@@ -88,6 +88,7 @@ pub struct Config {
pub rust_debuginfo: bool,
pub rust_debuginfo_lines: bool,
pub rust_debuginfo_only_std: bool,
+ pub rust_debuginfo_tools: bool,
pub rust_rpath: bool,
pub rustc_parallel_queries: bool,
pub rustc_default_linker: Option<String>,
@@ -271,6 +272,7 @@ struct Rust {
debuginfo: Option<bool>,
debuginfo_lines: Option<bool>,
debuginfo_only_std: Option<bool>,
+ debuginfo_tools: Option<bool>,
experimental_parallel_queries: Option<bool>,
debug_jemalloc: Option<bool>,
use_jemalloc: Option<bool>,
@@ -425,6 +427,7 @@ impl Config {
let mut llvm_assertions = None;
let mut debuginfo_lines = None;
let mut debuginfo_only_std = None;
+ let mut debuginfo_tools = None;
let mut debug = None;
let mut debug_jemalloc = None;
let mut debuginfo = None;
@@ -462,6 +465,7 @@ impl Config {
debuginfo = rust.debuginfo;
debuginfo_lines = rust.debuginfo_lines;
debuginfo_only_std = rust.debuginfo_only_std;
+ debuginfo_tools = rust.debuginfo_tools;
optimize = rust.optimize;
ignore_git = rust.ignore_git;
debug_jemalloc = rust.debug_jemalloc;
@@ -553,6 +557,7 @@ impl Config {
config.rust_thinlto = thinlto.unwrap_or(true);
config.rust_debuginfo_lines = debuginfo_lines.unwrap_or(default);
config.rust_debuginfo_only_std = debuginfo_only_std.unwrap_or(default);
+ config.rust_debuginfo_tools = debuginfo_tools.unwrap_or(default);
let default = debug == Some(true);
config.debug_jemalloc = debug_jemalloc.unwrap_or(default);
diff --git a/src/bootstrap/configure.py b/src/bootstrap/configure.py
index 99a3ee4e4c..689dd905fb 100755
--- a/src/bootstrap/configure.py
+++ b/src/bootstrap/configure.py
@@ -78,6 +78,7 @@ def v(*args):
o("debuginfo", "rust.debuginfo", "build with debugger metadata")
o("debuginfo-lines", "rust.debuginfo-lines", "build with line number debugger metadata")
o("debuginfo-only-std", "rust.debuginfo-only-std", "build only libstd with debugging information")
+o("debuginfo-tools", "rust.debuginfo-tools", "build extended tools with debugging information")
o("debug-jemalloc", "rust.debug-jemalloc", "build jemalloc with --enable-debug --enable-fill")
v("save-toolstates", "rust.save-toolstates", "save build and test status of external tools into this file")
--
2.14.3
From f0a43d3a9a4c28ea45d6bed430b1d9d561944e16 Mon Sep 17 00:00:00 2001
From: Josh Stone <jistone@redhat.com>
Date: Fri, 13 Apr 2018 21:57:53 -0700
Subject: [PATCH 2/3] Avoid specific claims about debuginfo size
---
config.toml.example | 2 +-
src/bootstrap/builder.rs | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/config.toml.example b/config.toml.example
index 64e2f1b424..46be1ecab7 100644
--- a/config.toml.example
+++ b/config.toml.example
@@ -260,7 +260,7 @@
#debuginfo-only-std = false
# Enable debuginfo for the extended tools: cargo, rls, rustfmt
-# Adding debuginfo increases their sizes by a factor of 3-4.
+# Adding debuginfo makes them several times larger.
#debuginfo-tools = false
# Whether or not jemalloc is built and enabled
diff --git a/src/bootstrap/builder.rs b/src/bootstrap/builder.rs
index 584c0cbe75..627a695884 100644
--- a/src/bootstrap/builder.rs
+++ b/src/bootstrap/builder.rs
@@ -605,7 +605,7 @@ impl<'a> Builder<'a> {
if mode == Mode::Tool {
// Tools like cargo and rls don't get debuginfo by default right now, but this can be
- // enabled in the config. Adding debuginfo increases their sizes by a factor of 3-4.
+ // enabled in the config. Adding debuginfo makes them several times larger.
if self.config.rust_debuginfo_tools {
cargo.env("RUSTC_DEBUGINFO", self.config.rust_debuginfo.to_string());
cargo.env("RUSTC_DEBUGINFO_LINES", self.config.rust_debuginfo_lines.to_string());
--
2.14.3
From 7ddb573a2ea41ad3c35f927b7b90fd545a6ab9da Mon Sep 17 00:00:00 2001
From: Josh Stone <jistone@redhat.com>
Date: Fri, 13 Apr 2018 21:58:21 -0700
Subject: [PATCH 3/3] Make debuginfo-tools always default false
---
src/bootstrap/config.rs | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/src/bootstrap/config.rs b/src/bootstrap/config.rs
index ac64e6e8e3..06443ae6cd 100644
--- a/src/bootstrap/config.rs
+++ b/src/bootstrap/config.rs
@@ -557,7 +557,7 @@ impl Config {
config.rust_thinlto = thinlto.unwrap_or(true);
config.rust_debuginfo_lines = debuginfo_lines.unwrap_or(default);
config.rust_debuginfo_only_std = debuginfo_only_std.unwrap_or(default);
- config.rust_debuginfo_tools = debuginfo_tools.unwrap_or(default);
+ config.rust_debuginfo_tools = debuginfo_tools.unwrap_or(false);
let default = debug == Some(true);
config.debug_jemalloc = debug_jemalloc.unwrap_or(default);
--
2.14.3
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