Build native libs for linux-musl-arm and linux-musl-arm64 (#133)

Author: arturcic

.github/workflows/ci.yml

@@ -31,6 +31,10 @@ jobs:
             name: linux-musl-x64
           - os: ubuntu-20.04
             name: linux-arm64
+          - os: ubuntu-20.04
+            name: linux-musl-arm
+          - os: ubuntu-20.04
+            name: linux-musl-arm64
           - os: ubuntu-20.04
             name: linux-arm
           - os: macos-10.15
@@ -49,6 +53,9 @@ jobs:
       - name: Build macOS
         if: runner.os == 'macOS'
         run: ./build.libgit2.sh
+      - name: Setup QEMU
+        run: docker run --rm --privileged multiarch/qemu-user-static:register --reset
+        if: matrix.name == 'linux-musl-arm' || matrix.name == 'linux-musl-arm64'
       - name: Build Linux
         if: runner.os == 'Linux'
         run: ./dockerbuild.sh

CMakeLists.arm.txt

@@ -0,0 +1,9 @@
+FROM multiarch/crossbuild
+ARG ARCH='amd64'
+ENV CROSS_TRIPLE=${ARCH}
+RUN apt update && apt -y install pkg-config
+
+WORKDIR /nativebinaries
+COPY . /nativebinaries/
+
+CMD ["/bin/bash", "-c", "./build.libgit2.sh"]

CMakeLists.arm64.txt

@@ -0,0 +1,8 @@
+ARG ARCH='amd64'
+FROM multiarch/alpine:${ARCH}-v3.12
+RUN apk add --no-cache bash build-base cmake
+
+WORKDIR /nativebinaries
+COPY . /nativebinaries/
+
+CMD ["/bin/bash", "-c", "./build.libgit2.sh"]

Dockerfile.linux

@@ -11,7 +11,7 @@ the following platforms:
 
  - Windows (x86, x64, arm64)
  - macOS (x64, arm64)
- - Linux (arm, arm64, x64)
+ - Linux (arm, arm64, x64, musl-x64, linux-musl-arm, linux-musl-arm64)
 
  [lg2s-nb]: https://www.nuget.org/packages/LibGit2Sharp.NativeBinaries
  [lg2]: https://libgit2.github.com/