feature: add musllinux_1_2_armv7l

.travis.yml

@@ -25,35 +25,7 @@ jobs:
     - arch: arm64-graviton2
       virt: vm
       group: edge
-      env: POLICY="manylinux2014" PLATFORM="aarch64"
-    - arch: s390x
-      env: POLICY="manylinux2014" PLATFORM="s390x"
-    - arch: ppc64le
-      env: POLICY="manylinux2014" PLATFORM="ppc64le"
-    - arch: arm64-graviton2
-      virt: vm
-      group: edge
-      env: POLICY="manylinux_2_28" PLATFORM="aarch64"
-    - arch: s390x
-      env: POLICY="manylinux_2_28" PLATFORM="s390x"
-    - arch: ppc64le
-      env: POLICY="manylinux_2_28" PLATFORM="ppc64le"
-    - 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"
-    - arch: arm64-graviton2
-      virt: vm
-      group: edge
-      env: POLICY="musllinux_1_2" PLATFORM="aarch64"
-    - arch: s390x
-      env: POLICY="musllinux_1_2" PLATFORM="s390x"
-    - arch: ppc64le
-      env: POLICY="musllinux_1_2" PLATFORM="ppc64le"
+      env: POLICY="musllinux_1_2" PLATFORM="armv7l"
 
 before_install:
   - if [ -d "${HOME}/buildx-cache/.buildx-cache-${POLICY}_${PLATFORM}" ]; then cp -rlf ${HOME}/buildx-cache/.buildx-cache-${POLICY}_${PLATFORM} ./; fi

build.sh

@@ -14,14 +14,22 @@ export PLATFORM
 # get docker default multiarch image prefix for PLATFORM
 if [ "${PLATFORM}" == "x86_64" ]; then
 	MULTIARCH_PREFIX="amd64/"
+	BUILDX_PLATFORM="linux/amd64"
 elif [ "${PLATFORM}" == "i686" ]; then
 	MULTIARCH_PREFIX="i386/"
+	BUILDX_PLATFORM="linux/386"
 elif [ "${PLATFORM}" == "aarch64" ]; then
 	MULTIARCH_PREFIX="arm64v8/"
+	BUILDX_PLATFORM="linux/arm64/v8"
 elif [ "${PLATFORM}" == "ppc64le" ]; then
 	MULTIARCH_PREFIX="ppc64le/"
+	BUILDX_PLATFORM="linux/ppc64le"
 elif [ "${PLATFORM}" == "s390x" ]; then
 	MULTIARCH_PREFIX="s390x/"
+	BUILDX_PLATFORM="linux/s390x"
+elif [ "${PLATFORM}" == "armv7l" ]; then
+	MULTIARCH_PREFIX="arm32v7/"
+	BUILDX_PLATFORM="linux/arm/v7"
 else
 	echo "Unsupported platform: '${PLATFORM}'"
 	exit 1
@@ -89,6 +97,7 @@ elif [ "${MANYLINUX_BUILD_FRONTEND}" == "podman" ]; then
 elif [ "${MANYLINUX_BUILD_FRONTEND}" == "docker-buildx" ]; then
 	USE_LOCAL_CACHE=1
 	docker buildx build \
+		--platform ${BUILDX_PLATFORM} \
 		--load \
 		--cache-from=type=local,src=$(pwd)/.buildx-cache-${POLICY}_${PLATFORM} \
 		--cache-to=type=local,dest=$(pwd)/.buildx-cache-staging-${POLICY}_${PLATFORM},mode=max \

docker/build_scripts/build-cpython.sh

@@ -46,10 +46,14 @@ if [ "${CPYTHON_VERSION}" == "3.6.15" ]; then
 	CFLAGS_EXTRA="${CFLAGS_EXTRA} -fno-tree-loop-vectorize -fno-tree-slp-vectorize"
 fi
 if [ "${AUDITWHEEL_POLICY}" == "manylinux2014" ] ; then
-    # Python 3.11+
+	# Python 3.11+
 	export TCLTK_LIBS="-ltk8.6 -ltcl8.6"
 fi
 
+if [ "${BASE_POLICY}_${AUDITWHEEL_ARCH}" == "musllinux_armv7l" ]; then
+	CONFIGURE_ARGS="--build=arm-linux-musleabihf"
+fi
+
 OPENSSL_PREFIX=$(find /opt/_internal -maxdepth 1 -name 'openssl*')
 if [ "${OPENSSL_PREFIX}" != "" ]; then
 	CONFIGURE_ARGS="${CONFIGURE_ARGS} --with-openssl=${OPENSSL_PREFIX}"

docker/build_scripts/finalize.sh

@@ -68,6 +68,12 @@ export SSL_CERT_FILE=/opt/_internal/certs.pem
 pushd $MY_DIR/requirements-tools
 for TOOL_PATH in $(find . -type f); do
 	TOOL=$(basename ${TOOL_PATH})
+	if [ "${AUDITWHEEL_ARCH}" == "armv7l" ]; then
+		case ${TOOL} in
+			swig) apk add --no-cache swig; continue;;
+			cmake) apk add --no-cache cmake; continue;;
+		esac
+	fi
 	pipx install --pip-args="--require-hashes -r" ${TOOL}
 done
 popd

docker/manylinux-entrypoint

@@ -4,6 +4,11 @@ set -eu
 
 if [ "${AUDITWHEEL_ARCH}" == "i686" ] && [ "$(uname -m)" == "x86_64" ]; then
 	linux32 "$@"
+elif [ "${AUDITWHEEL_ARCH}" == "armv7l" ] && [ "$(uname -m)" != "armv7l" ]; then
+	if [ "$(linux32 uname -m)" == "armv8l" ]; then
+		export _PYTHON_HOST_PLATFORM="linux_armv7l"
+	fi
+	linux32 "$@"
 else
 	exec "$@"
 fi