Enable musllinux_1_1 in Travis and GHA

Author: lkollar

.github/workflows/build.yml

@@ -34,6 +34,10 @@ jobs:
             platform: "i686"
           - policy: "manylinux_2_24"
             platform: "x86_64"
+          - policy: "musllinux_1_1"
+            platform: "x86_64"
+          - policy: "musllinux_1_1"
+            platform: "i686"
 
     env:
       POLICY: ${{ matrix.policy }}

.travis.yml

@@ -38,6 +38,14 @@ jobs:
       env: POLICY="manylinux_2_24" PLATFORM="s390x"
     - arch: ppc64le
       env: POLICY="manylinux_2_24" PLATFORM="ppc64le" MANYLINUX_BUILD_FRONTEND="buildkit"
+    - arch: arm64-graviton2
+      virt: vm
+      group: edge
+      env: POLICY="musllinux_1_1" PLATFORM="aarch64"
+    - arch: s390x
+      env: POLICY="musllinux_1_1" PLATFORM="s390x"
+    - arch: ppc64le
+      env: POLICY="musllinux_1_1" PLATFORM="ppc64le" MANYLINUX_BUILD_FRONTEND="buildkit"
 
 before_install:
   - if [ -d "${HOME}/buildx-cache/.buildx-cache-${POLICY}_${PLATFORM}" ]; then cp -rlf ${HOME}/buildx-cache/.buildx-cache-${POLICY}_${PLATFORM} ./; fi

docker/build_scripts/finalize.sh

@@ -76,7 +76,13 @@ deactivate
 pushd $MY_DIR/requirements-tools
 for TOOL_PATH in $(find . -type f); do
 	TOOL=$(basename ${TOOL_PATH})
-	pipx install --pip-args="--require-hashes -r" ${TOOL}
+    if [ "${TOOL}" == "cmake" ] && [ "${POLICY}" == "musllinux_1_1" ]; then
+        # TODO remove this exception once https://github.com/scikit-build/cmake-python-distributions
+		# provides a musllinux wheel
+		apk add --no-cache cmake
+    else
+        pipx install --pip-args="--require-hashes -r" ${TOOL}
+    fi
 done
 popd