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| author | Dylan Baker <dylan@pnwbakers.com> | 2020-12-10 13:50:31 -0800 |
|---|---|---|
| committer | Dylan Baker <dylan@pnwbakers.com> | 2021-02-02 12:42:48 -0800 |
| commit | bffc94b08f713cc9916009575664b132aee76bcf (patch) | |
| tree | 416e0f7e8686cb3f5c17093664e0691edec7904f /docs/markdown/snippets | |
| parent | f31ffaaf1754e4578127049844c14eba6bdda477 (diff) | |
| download | meson-bffc94b08f713cc9916009575664b132aee76bcf.zip meson-bffc94b08f713cc9916009575664b132aee76bcf.tar.gz meson-bffc94b08f713cc9916009575664b132aee76bcf.tar.bz2 | |
compilers: Add support for using multiple threads with lto
Both Clang and GCC support using multiple threads for preforming link
time optimizaions, and they can now be configured using the
`-Db_lto_threads` option.
Fixes #7820
Diffstat (limited to 'docs/markdown/snippets')
| -rw-r--r-- | docs/markdown/snippets/lto_threads.md | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/docs/markdown/snippets/lto_threads.md b/docs/markdown/snippets/lto_threads.md new file mode 100644 index 0000000..a6f7614 --- /dev/null +++ b/docs/markdown/snippets/lto_threads.md @@ -0,0 +1,7 @@ +## Knob to control LTO thread + +Both the gnu linker and lld support using threads for speading up LTO, meson +now provides a knob for this: `-Db_lto_threads`. Currently this is only +supported for clang and gcc. Any positive integer is supported, `0` means +`auto`. If the compiler or linker implemnets it's on `auto` we use that, +otherwise the number of threads on the machine is used. |