build-sys: add gnu global outputs to gitignore

Some people like to use gnu global to browse code, so we add the global
output files to gitignore, which is safe because no function-related
code is changed.

Signed-off-by: Enze Li <lienze@kylinos.cn>

diff --git a/.gitignore b/.gitignore
index 840f6461581ac962c5e48d276465a78aeb5705cc..3274563ec2d9cfad478b9697d0f3b74ffae721dd 100644 (file)
--- a/.gitignore
+++ b/.gitignore
@@ -62,6 +62,10 @@ tests/run.sh.log
 tests/run.sh.trs
 update.log
 ylwrap
+GPATH
+GRTAGS
+GTAGS
+GSYMS
 
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