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| author | Shenghou Ma <minux@golang.org> | 2016-12-17 22:53:38 -0500 |
|---|---|---|
| committer | Minux Ma <minux@golang.org> | 2016-12-20 05:05:24 +0000 |
| commit | 5a72bad87ac1152aecd39f7fe1eece88a23b595b (patch) | |
| tree | 2657d354c2a511e62fc11fabe04eb7aa040781a3 | |
| parent | c5f16d4e40d0a2d9c2e32a866129d6a40535f57d (diff) | |
| download | go-5a72bad87ac1152aecd39f7fe1eece88a23b595b.tar.gz go-5a72bad87ac1152aecd39f7fe1eece88a23b595b.zip | |
doc/go1.8: document that CGO_ENABLED is sticky
Fixes #18363.
Change-Id: Ifc98506d33a6753cd7db8e505cf86d5626fbbad0
Reviewed-on: https://go-review.googlesource.com/34596
Reviewed-by: Ian Lance Taylor <iant@golang.org>
| -rw-r--r-- | doc/go1.8.html | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/doc/go1.8.html b/doc/go1.8.html index 95b09dc997..5d9e9f5b39 100644 --- a/doc/go1.8.html +++ b/doc/go1.8.html @@ -327,6 +327,18 @@ see improvements closer to the 32-bit ARM numbers. <h3 id="cmd_cgo">Cgo</h3> +<p> <!-- CL 31141 --> +The Go tool now remembers the value of the <code>CGO_ENABLED</code> environment +variable set during <code>make.bash</code> and applies it to all future compilations +by default to fix issue <a href="https://golang.org/issue/12808">#12808</a>. +When doing native compilation, it is rarely necessary to explicitly set +the <code>CGO_ENABLED</code> environment variable as <code>make.bash</code> +will detect the correct setting automatically. The main reason to explicitly +set the <code>CGO_ENABLED</code> environment variable is when your environment +supports cgo, but you explicitly do not want cgo support, in which case, set +<code>CGO_ENABLED=0</code> during <code>make.bash</code> or <code>all.bash</code>. +</p> + <p> <!-- CL 29991 --> The environment variable <code>PKG_CONFIG</code> may now be used to set the program to run to handle <code>#cgo</code> <code>pkg-config</code> |