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doc/debugging_with_gdb: update -gcflags usage

After go1.10, compiler/linker option flags apply only to the packages
listed directly on the command line unless the matching pattern is
specified. For debugging, we want to apply the flags to all packages.

Change-Id: Ic69eee1491b1080fc140592f200c59a6e03d87ac
Reviewed-on: https://go-review.googlesource.com/84135
Reviewed-by: Ian Lance Taylor <iant@golang.org>
This commit is contained in:
Hana Kim 2017-12-14 16:11:03 -05:00 committed by Hyang-Ah Hana Kim
parent 9d5f8eaa8a
commit bfb8f2a765

View File

@ -45,7 +45,7 @@ Pass the <code>'-w'</code> flag to the linker to omit the debug information
The code generated by the <code>gc</code> compiler includes inlining of The code generated by the <code>gc</code> compiler includes inlining of
function invocations and registerization of variables. These optimizations function invocations and registerization of variables. These optimizations
can sometimes make debugging with <code>gdb</code> harder. To disable them can sometimes make debugging with <code>gdb</code> harder. To disable them
when debugging, pass the flags <code>-gcflags "-N -l"</code> to the when debugging, pass the flags <code>-gcflags=all="-N -l"</code> to the
<a href="/cmd/go"><code>go</code></a> command used to build the code being <a href="/cmd/go"><code>go</code></a> command used to build the code being
debugged. debugged.
</p> </p>