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go/build: allow @ in #cgo directives for OS X

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Fixes #13720.

Change-Id: I2e48454696f37db419370630f913590c435cd9f0
Reviewed-on: https://go-review.googlesource.com/18331
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Run-TryBot: Russ Cox <rsc@golang.org>
This commit is contained in:
Russ Cox 2016-01-06 14:33:25 -05:00
parent bd7086996c
commit dba926d7a3
1 changed files with 2 additions and 1 deletions
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3
src/go/build/build.go
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@ -1256,7 +1256,8 @@ func expandSrcDir(str string, srcdir string) (string, bool) {
// NOTE: $ is not safe for the shell, but it is allowed here because of linker options like -Wl,$ORIGIN.
// We never pass these arguments to a shell (just to programs we construct argv for), so this should be okay.
// See golang.org/issue/6038.
const safeString = "+-.,/0123456789=ABCDEFGHIJKLMNOPQRSTUVWXYZ_abcdefghijklmnopqrstuvwxyz:$"
// The @ is for OS X. See golang.org/issue/13720.
const safeString = "+-.,/0123456789=ABCDEFGHIJKLMNOPQRSTUVWXYZ_abcdefghijklmnopqrstuvwxyz:$@"
const safeSpaces = " "
var safeBytes = []byte(safeSpaces + safeString)