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commit: 3b5575b633bd50338d09091c09858fff725b1d60 |
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Author: Sergei Trofimovich <slyfox <AT> gentoo <DOT> org> |
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AuthorDate: Sat Sep 7 09:14:47 2019 +0000 |
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Commit: Sergei Trofimovich <slyfox <AT> gentoo <DOT> org> |
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CommitDate: Sat Sep 7 09:14:47 2019 +0000 |
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URL: https://gitweb.gentoo.org/proj/gcc-config.git/commit/?id=3b5575b6 |
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|
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README: add examples of querying facts about toolchains |
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|
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Signed-off-by: Sergei Trofimovich <slyfox <AT> gentoo.org> |
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|
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README | 15 ++++++++++++--- |
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1 file changed, 12 insertions(+), 3 deletions(-) |
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|
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diff --git a/README b/README |
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index bba2517..b260a28 100644 |
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--- a/README |
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+++ b/README |
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@@ -1,12 +1,21 @@ |
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What is gcc-config? |
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------------------- |
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|
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-Gentoo allows switching gcc as system runs via gcc-config: |
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+gcc-config allows Gentoo users to switch active gcc safely |
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+and allows querying facts about installed toolchains. |
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+ |
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+To switch active gcc while system runs: |
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$ gcc-config x86_64-pc-linux-gnu-8.1.0 |
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$ gcc-config x86_64-pc-linux-gnu-7.2.0 |
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|
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-Ideally changes should be visible instantly and atomically |
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-without shell restart. |
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+ Ideally changes should be visible instantly and atomically |
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+ without shell restart. |
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+ |
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+To query where real gcc binaries are hiding: |
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+ $ gcc-config -B $(gcc-config -c) |
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+ |
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+To parse a profile into TARGET and toolchain version: |
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+ $ gcc-config -S sparc64-unknown-linux-gnu-9.2.0 |
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|
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Files, variables, things. |
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------------------------- |
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