Merge #27: Reduce Travis parallelism to 15

9145520 Reduce Travis parallelism to 15 (Hugo Landau)

Tree-SHA512: 7f8289b182b52645c75f94c9bf8c496ac491983f517a63686099610f01506553f0b72a43a34aa39a9d4007e546537c382c9765fb42e2a4e6111df0a35c11a792

.travis/script

@@ -16,13 +16,15 @@ fi
 echo Cross-compiling releases...
 mkdir -p "$GOPATH/releasing/idist" "$GOPATH/releasing/dist"
 
+GOX_PARA=15
+
 # cgo crosscompile
 REPOS="github.com/$TRAVIS_REPO_SLUG/..."
-gox -cgo -osarch 'linux/386 linux/amd64' -output "$GOPATH/releasing/idist/ncdns-$TRAVIS_TAG-{{.OS}}_{{.Arch}}/bin/{{.Dir}}" $REPOS
+gox -parallel=$GOX_PARA -cgo -osarch 'linux/386 linux/amd64' -output "$GOPATH/releasing/idist/ncdns-$TRAVIS_TAG-{{.OS}}_{{.Arch}}/bin/{{.Dir}}" $REPOS
 RESULT1=$?
 
 # non-cgo crosscompile
-gox -osarch 'darwin/386 darwin/amd64 linux/arm linux/arm64 linux/ppc64 linux/ppc64le freebsd/386 freebsd/amd64 freebsd/arm openbsd/386 openbsd/amd64 netbsd/386 netbsd/amd64 netbsd/arm dragonfly/amd64 solaris/amd64 windows/386 windows/amd64' -output "$GOPATH/releasing/idist/ncdns-$TRAVIS_TAG-{{.OS}}_{{.Arch}}/bin/{{.Dir}}" $REPOS
+gox -parallel=$GOX_PARA -osarch 'darwin/386 darwin/amd64 linux/arm linux/arm64 linux/ppc64 linux/ppc64le freebsd/386 freebsd/amd64 freebsd/arm openbsd/386 openbsd/amd64 netbsd/386 netbsd/amd64 netbsd/arm dragonfly/amd64 solaris/amd64 windows/386 windows/amd64' -output "$GOPATH/releasing/idist/ncdns-$TRAVIS_TAG-{{.OS}}_{{.Arch}}/bin/{{.Dir}}" $REPOS
 RESULT2=$?
 
 echo cgo crosscompile exited with code $RESULT1