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cmd/go: limit default darwin/arm parallelism

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iOS devices can only run tests serially.

Change-Id: I3f4e7abddf812a186895d9d5138999c8bded698f
Reviewed-on: https://go-review.googlesource.com/5751
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
Reviewed-by: Hyang-Ah Hana Kim <hyangah@gmail.com>
This commit is contained in:
David Crawshaw 2015-02-24 11:10:13 -05:00
parent edcad8639a
commit 291bf1f03f
1 changed files with 10 additions and 1 deletions
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11
src/cmd/go/build.go
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@ -62,7 +62,8 @@ and test commands:
print the commands but do not run them.
-p n
the number of builds that can be run in parallel.
The default is the number of CPUs available.
The default is the number of CPUs available, except
on darwin/arm which defaults to 1.
-race
enable data race detection.
Supported only on linux/amd64, freebsd/amd64, darwin/amd64 and windows/amd64.
@ -117,6 +118,14 @@ func init() {
addBuildFlags(cmdBuild)
addBuildFlags(cmdInstall)
if buildContext.GOOS == "darwin" && buildContext.GOARCH == "arm" {
// darwin/arm cannot run multiple tests simultaneously.
// Parallelism is limited in go_darwin_arm_exec, but
// also needs to be limited here so go test std does not
// timeout tests that waiting to run.
buildP = 1
}
}
// Flags set by multiple commands.