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[release-branch.go1.4] go/build: don't enable cgo for any system by default 

The 1.4 branch is now used only for building more recent releases.
Enabling cgo is not required for that, and tends to cause problems as
systems and compilers change.

Updates #21054

Change-Id: I498f493e3ac32bcea55725cf5de3b3172f0fd5db
Reviewed-on: https://go-review.googlesource.com/65450
Reviewed-by: Joe Tsai <joetsai@google.com>
Run-TryBot: Joe Tsai <joetsai@google.com>
This commit is contained in:
Ian Lance Taylor 2017-09-22 10:30:45 -07:00
parent a3310f9981
commit d76c7d5a31
2 changed files with 4 additions and 22 deletions
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25
src/go/build/build.go
View File

@ -256,28 +256,9 @@ func (ctxt *Context) SrcDirs() []string {
// if set, or else the compiled code's GOARCH, GOOS, and GOROOT.
var Default Context = defaultContext()
var cgoEnabled = map[string]bool{
"darwin/386": true,
"darwin/amd64": true,
"dragonfly/386": true,
"dragonfly/amd64": true,
"freebsd/386": true,
"freebsd/amd64": true,
"freebsd/arm": true,
"linux/386": true,
"linux/amd64": true,
"linux/arm": true,
"android/386": true,
"android/amd64": true,
"android/arm": true,
"netbsd/386": true,
"netbsd/amd64": true,
"netbsd/arm": true,
"openbsd/386": true,
"openbsd/amd64": true,
"windows/386": true,
"windows/amd64": true,
}
// On the 1.4 branch, cgo is not enabled by default for any system.
// Set CGO_ENABLED=1 when running make.bash to enable cgo.
var cgoEnabled = map[string]bool{}
func defaultContext() Context {
var c Context

1
src/make.bash
View File

@ -29,6 +29,7 @@
# CGO_ENABLED: Controls cgo usage during the build. Set it to 1
# to include all cgo related files, .c and .go file with "cgo"
# build directive, in the build. Set it to 0 to ignore them.
# The default for this release is 0.
#
# GO_EXTLINK_ENABLED: Set to 1 to invoke the host linker when building
# packages that use cgo. Set to 0 to do all linking internally. This