Update a few build tags to be more generic, add a couple more SETNS c…

…onstants, and update Travis with a bunch of fixes/tweaks (including removing the nonfunctional cross-compile stuff for now)

Docker-DCO-1.1-Signed-off-by: Andrew Page <admwiggin@gmail.com> (github: tianon)

.travis.yml

@@ -1,22 +1,30 @@
 language: go
+go: 1.3
 
 # let us have pretty experimental Docker-based Travis workers
 sudo: false
 
 env:
     - TRAVIS_GLOBAL_WTF=1
-    - GOOS=linux GOARCH=amd64
-    - GOOS=linux GOARCH=386
-    - GOOS=linux GOARCH=arm
-    - GOOS=darwin GOARCH=amd64
-    - GOOS=darwin GOARCH=386
-    - GOOS=freebsd GOARCH=amd64
+    - _GOOS=linux _GOARCH=amd64
+#    - _GOOS=linux _GOARCH=386 # Travis can't currently do 32bit cgo... (see https://travis-ci.org/tianon/libcontainer/jobs/30126518#L168)
+#    - _GOOS=linux _GOARCH=arm # see https://github.com/moovweb/gvm/issues/22
 
 install:
+    - mkdir -pv "${GOPATH%%:*}/src/github.com/docker" && [ -d "${GOPATH%%:*}/src/github.com/docker/libcontainer" ] || ln -sv "$(readlink -f .)" "${GOPATH%%:*}/src/github.com/docker/libcontainer"
+    - if [ -z "$TRAVIS_GLOBAL_WTF" ]; then
+          export CGO_ENABLED=1;
+          gvm cross "$_GOOS" "$_GOARCH";
+          export GOOS="$_GOOS" GOARCH="$_GOARCH";
+      fi
+    - if [ -z "$TRAVIS_GLOBAL_WTF" ]; then go env; fi
     - go get -d -v ./...
-    - go get -d -v github.com/dotcloud/docker # just to be sure
-    - DOCKER_PATH="${GOPATH%%:*}/src/github.com/dotcloud/docker"
-    - sed -i 's!dotcloud/docker!docker/libcontainer!' "$DOCKER_PATH/hack/make/.validate"
+    - if [ "$TRAVIS_GLOBAL_WTF" ]; then
+          export DOCKER_PATH="${GOPATH%%:*}/src/github.com/dotcloud/docker";
+          mkdir -p "$DOCKER_PATH/hack/make";
+          ( cd "$DOCKER_PATH/hack/make" && wget -c 'https://raw.githubusercontent.com/dotcloud/docker/master/hack/make/'{.validate,validate-dco,validate-gofmt} );
+          sed -i 's!dotcloud/docker!docker/libcontainer!' "$DOCKER_PATH/hack/make/.validate";
+      fi
 
 script:
     - if [ "$TRAVIS_GLOBAL_WTF" ]; then bash "$DOCKER_PATH/hack/make/validate-dco"; fi

apparmor/apparmor.go

@@ -1,4 +1,4 @@
-// +build apparmor,linux,amd64
+// +build apparmor,linux
 
 package apparmor
 

apparmor/apparmor_disabled.go

@@ -1,4 +1,4 @@
-// +build !apparmor !linux !amd64
+// +build !apparmor !linux
 
 package apparmor
 

netlink/netlink_linux.go

@@ -1,5 +1,3 @@
-// +build amd64
-
 package netlink
 
 import (

netlink/netlink_unsupported.go

@@ -1,4 +1,4 @@
-// +build !linux !amd64
+// +build !linux
 
 package netlink
 

system/setns_linux.go

@@ -11,7 +11,9 @@ import (
 // We need different setns values for the different platforms and arch
 // We are declaring the macro here because the SETNS syscall does not exist in th stdlib
 var setNsMap = map[string]uintptr{
+	"linux/386":   346,
 	"linux/amd64": 308,
+	"linux/arm":   374,
 }
 
 func Setns(fd uintptr, flags uintptr) error {