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Added RUSTC_GRAPHVIZ_FONT environment variable

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Overrides the debugging_opts.graphviz_font setting.
This commit is contained in:
Rich Kadel 2020-09-16 10:47:56 -07:00
parent 5c29332ace
commit 3875abe32f
2 changed files with 6 additions and 1 deletions
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4
compiler/rustc_session/src/config.rs
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@ -1762,6 +1762,10 @@ pub fn build_session_options(matches: &getopts::Matches) -> Options {
debugging_opts.symbol_mangling_version = SymbolManglingVersion::V0;
}
if let Ok(graphviz_font) = std::env::var("RUSTC_GRAPHVIZ_FONT") {
debugging_opts.graphviz_font = graphviz_font;
}
if !cg.embed_bitcode {
match cg.lto {
LtoCli::No | LtoCli::Unspecified => {}

3
compiler/rustc_session/src/options.rs
View File

@ -910,7 +910,8 @@ options! {DebuggingOptions, DebuggingSetter, basic_debugging_options,
graphviz_dark_mode: bool = (false, parse_bool, [UNTRACKED],
"use dark-themed colors in graphviz output (default: no)"),
graphviz_font: String = ("Courier, monospace".to_string(), parse_string, [UNTRACKED],
"use the given `fontname` in graphviz output (default: `Courier, monospace`)"),
"use the given `fontname` in graphviz output; can be overridden by setting \
environment variable `RUSTC_GRAPHVIZ_FONT` (default: `Courier, monospace`)"),
hir_stats: bool = (false, parse_bool, [UNTRACKED],
"print some statistics about AST and HIR (default: no)"),
human_readable_cgu_names: bool = (false, parse_bool, [TRACKED],