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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. print the commands but do not run them.
-p n -p n
the number of builds that can be run in parallel. 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 -race
enable data race detection. enable data race detection.
Supported only on linux/amd64, freebsd/amd64, darwin/amd64 and windows/amd64. Supported only on linux/amd64, freebsd/amd64, darwin/amd64 and windows/amd64.
@ -117,6 +118,14 @@ func init() {
addBuildFlags(cmdBuild) addBuildFlags(cmdBuild)
addBuildFlags(cmdInstall) 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. // Flags set by multiple commands.