wip: add x86-linux-musl

Author: flavorjones

.github/workflows/ci.yml

@@ -57,6 +57,7 @@ jobs:
             static: true
           - platform: x86-linux-gnu
             alias:    x86-linux
+          - platform: x86-linux-musl
           - platform: x86-mingw32
           - platform: x86_64-darwin
           - platform: x86_64-linux-gnu

.gitignore

@@ -6,6 +6,7 @@
 /Dockerfile.mri.x64-mingw-ucrt
 /Dockerfile.mri.x64-mingw32
 /Dockerfile.mri.x86-linux-gnu
+/Dockerfile.mri.x86-linux-musl
 /Dockerfile.mri.x86-mingw32
 /Dockerfile.mri.x86_64-darwin
 /Dockerfile.mri.x86_64-linux-gnu

Rakefile

@@ -16,6 +16,7 @@ platforms = [
   ["x64-mingw-ucrt", "x86_64-w64-mingw32"],
   ["x64-mingw32", "x86_64-w64-mingw32"],
   ["x86-linux-gnu", "i686-redhat-linux-gnu"],
+  ["x86-linux-musl", "i686-unknown-linux-musl"],
   ["x86-mingw32", "i686-w64-mingw32"],
   ["x86_64-darwin", "x86_64-apple-darwin"],
   ["x86_64-linux-gnu", "x86_64-redhat-linux-gnu"],

test/rcd_test/Rakefile

@@ -28,6 +28,7 @@ else
       x64-mingw32
       x86-linux
       x86-linux-gnu
+      x86-linux-musl
       x86-mingw32
       x86_64-darwin
       x86_64-linux