Add cross-compile job

.gitlab-ci.yml

@@ -30,6 +30,30 @@ build:x86:
       - signaldctl
     expire_in: 1 month
 
+build:cross-compile:
+  stage: build
+  image: golang:latest
+  before_script:
+    - mkdir -p /go/src/gitlab.com/signald/signald-go
+    - cp -r * /go/src/gitlab.com/signald/signald-go
+    - cd /go/src/gitlab.com/signald/signald-go
+  script:
+    - make signaldctl
+    - mv signaldctl "${CI_PROJECT_DIR}/signaldctl-${GOOS}-${GOARCH}"
+  artifacts:
+    paths:
+      - signaldctl-*
+    expire_in: 1 month
+  parallel:
+    matrix:
+      - GOOS: linux
+        GOARCH:
+          - arm
+          - arm64
+          - amd64
+      - GOOS: darwin
+        GOARCH: amd64
+
 build:aarch64:
   stage: build
   tags: [arm-builder]

cmd/signaldctl/README.md

@@ -10,8 +10,10 @@ sudo apt install signaldctl
 ```
 
 otherwise, download a binary from the CI:
-* [x86_64](https://gitlab.com/api/v4/projects/21018340/jobs/artifacts/main/raw/signaldctl?job=build%3Ax86)
-* [aarch64](https://gitlab.com/api/v4/projects/21018340/jobs/artifacts/main/raw/signaldctl?job=build%3Aaarch64)
+* [Linux amd64](https://gitlab.com/api/v4/projects/21018340/jobs/artifacts/main/raw/signaldctl?job=build%3Ax86)
+* [Linux arm](https://gitlab.com/api/v4/projects/21018340/jobs/artifacts/main/raw/signaldctl-linux-arm?job=build%3Across-compile)
+* [Linux arm64](https://gitlab.com/api/v4/projects/21018340/jobs/artifacts/main/raw/signaldctl?job=build%3Aaarch64)
+* [Mac amd64](https://gitlab.com/api/v4/projects/21018340/jobs/artifacts/main/raw/signaldctl-darwin-amd64?job=build%3Across-compile)
 
 or build it yourself: