scripts: add msys2 build

.github/workflows/backend.yml

@@ -55,7 +55,27 @@ jobs:
         env:
           BUILD_TARGET: ${{ matrix.target }}
         run: ./scripts/cross-build.sh
-      - uses: actions/upload-artifact@v1
+      - uses: actions/upload-artifact@v2
         with:
           name: ttyd.${{ matrix.target }}
           path: build/ttyd
+  msys2:
+    runs-on: windows-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: msys2/setup-msys2@v2
+        with:
+          msystem: MSYS
+          install: gcc cmake make libuv-devel zlib-devel openssl-devel
+          update: true
+      - name: Build ttyd
+        shell: msys2 {0}
+        run: |
+          ./scripts/msys2-build.sh
+          cp /usr/bin/msys-2.0.dll build
+      - uses: actions/upload-artifact@v2
+        with:
+          name: ttyd.msys2
+          path: |
+            build/ttyd.exe
+            build/msys-2.0.dll

scripts/msys2-build.sh

@@ -0,0 +1,54 @@
+#!/bin/bash
+
+set -eo pipefail
+
+TMPDIR="${TMPDIR:-/tmp}"
+JSON_C_VERSION="${JSON_C_VERSION:-0.15}"
+LIBWEBSOCKETS_VERSION="${LIBWEBSOCKETS_VERSION:-3.2.2}"
+
+build_json-c() {
+  curl -sLo- "https://s3.amazonaws.com/json-c_releases/releases/json-c-${JSON_C_VERSION}.tar.gz" | tar xz -f - -C "${TMPDIR}" || true
+  pushd "${TMPDIR}/json-c-${JSON_C_VERSION}"
+      rm -rf build && mkdir -p build && cd build
+      cmake -DCMAKE_BUILD_TYPE=RELEASE -DBUILD_SHARED_LIBS=OFF ..
+      make -j"$(nproc)" install
+  popd
+}
+
+build_libwebsockets() {
+  curl -sLo- "https://github.com/warmcat/libwebsockets/archive/v${LIBWEBSOCKETS_VERSION}.tar.gz" | tar xz -f - -C "${TMPDIR}"
+  pushd "${TMPDIR}/libwebsockets-${LIBWEBSOCKETS_VERSION}"
+      sed -i 's/ websockets_shared//g' cmake/LibwebsocketsConfig.cmake.in
+      rm -rf build && mkdir -p build && cd build
+      cmake -DCMAKE_BUILD_TYPE=RELEASE \
+          -DCMAKE_FIND_LIBRARY_SUFFIXES=".a" \
+          -DCMAKE_EXE_LINKER_FLAGS="-static" \
+          -DLWS_WITH_BUNDLED_ZLIB=OFF \
+          -DLWS_WITHOUT_TESTAPPS=ON \
+          -DLWS_WITH_LIBUV=ON \
+          -DLWS_STATIC_PIC=ON \
+          -DLWS_WITH_SHARED=OFF \
+          -DLWS_UNIX_SOCK=ON \
+          -DLWS_IPV6=ON \
+          -DLWS_WITH_HTTP2=OFF \
+          -DLWS_WITHOUT_CLIENT=ON \
+          -DLWS_WITH_LEJP=OFF \
+          -DLWS_WITH_LEJP_CONF=OFF \
+          -DLWS_WITH_LWSAC=OFF \
+          -DLWS_WITH_CUSTOM_HEADERS=OFF \
+          -DLWS_WITH_SEQUENCER=OFF \
+          ..
+      make -j"$(nproc)" install
+  popd
+}
+
+build_json-c
+build_libwebsockets
+
+rm -rf build && mkdir -p build && cd build
+cmake -DCMAKE_FIND_LIBRARY_SUFFIXES=".a" \
+    -DCMAKE_C_FLAGS="-Os -ffunction-sections -fdata-sections -fno-unwind-tables -fno-asynchronous-unwind-tables -flto" \
+    -DCMAKE_EXE_LINKER_FLAGS="-static -no-pie -Wl,-s -Wl,-Bsymbolic -Wl,--gc-sections" \
+    -DCMAKE_BUILD_TYPE=RELEASE \
+    ..
+make install