Cross-compile for a range of platforms

.gitignore

@@ -1,2 +1,4 @@
+/bin
 /cadmium
 /gopath
+/plugins.txt

.gitlab-ci.yml

@@ -10,10 +10,10 @@ build:
     - mkdir -p "$GOPATH/src/github.com/mholt"
     - ln -s "$(pwd)/source" "$GOPATH/src/github.com/mholt/caddy"
     - scripts/build ${CADDY_TAG}
-    - ./cadmium -plugins | tee plugins.txt
+    - ./bin/cadmium.linux_amd64 -plugins | tee plugins.txt
   artifacts:
     paths:
-      - cadmium
+      - bin
       - gopath
       - plugins.txt
   only:

scripts/build

@@ -8,8 +8,11 @@ fi
 echo "Building Cadmium $1..."
 
 cm="github.com/mholt/caddy/caddy/caddymain"
-GOPATH="$(pwd)/gopath" go build \
-  -o cadmium \
+
+CGO_ENABLED=0 GOPATH="$(pwd)/gopath" gox \
+  -verbose \
+  -output "bin/cadmium.{{.OS}}_{{.Arch}}" \
+  -os "!netbsd" \
   -ldflags "-X \"$cm.gitTag=$1\" -X \"$cm.gitNearestTag=$1\"" \
   github.com/mholt/caddy/caddy