Support builds for Electron v32 (#1226)

* use c++20 required by v8

* adjust macro and method signatures

* replace SetAccessor with SetNativeDataProperty

* use old signatures for older node version

* install g++ 10 on ubuntu

.github/workflows/build.yml

@@ -48,6 +48,11 @@ jobs:
         run: brew install python-setuptools
       - if: ${{ !startsWith(matrix.os, 'windows') && !startsWith(matrix.os, 'macos') }}
         run: python3 -m pip install setuptools
+      - if: ${{ startsWith(matrix.os, 'ubuntu') }}
+        run: |
+          sudo apt update
+          sudo apt install gcc-10 g++-10 -y
+          sudo update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-10 100 --slave /usr/bin/g++ g++ /usr/bin/g++-10 --slave /usr/bin/gcov gcov /usr/bin/gcov-10
       - run: npm install --ignore-scripts
       - run: npm run build-debug
       - run: npm test
@@ -101,6 +106,11 @@ jobs:
         run: brew install python-setuptools
       - if: ${{ !startsWith(matrix.os, 'windows') && !startsWith(matrix.os, 'macos') }}
         run: python3 -m pip install setuptools
+      - if: ${{ startsWith(matrix.os, 'ubuntu') }}
+        run: |
+          sudo apt update
+          sudo apt install gcc-10 g++-10 -y
+          sudo update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-10 100 --slave /usr/bin/g++ g++ /usr/bin/g++-10 --slave /usr/bin/gcov gcov /usr/bin/gcov-10
       - run: npm install --ignore-scripts
       - run: ${{ env.NODE_BUILD_CMD }} -u ${{ secrets.GITHUB_TOKEN }}
       - run: ${{ env.ELECTRON_BUILD_CMD }} -u ${{ secrets.GITHUB_TOKEN }}

binding.gyp

@@ -9,14 +9,14 @@
       'target_name': 'better_sqlite3',
       'dependencies': ['deps/sqlite3.gyp:sqlite3'],
       'sources': ['src/better_sqlite3.cpp'],
-      'cflags_cc': ['-std=c++17'],
+      'cflags_cc': ['-std=c++20'],
       'xcode_settings': {
-        'OTHER_CPLUSPLUSFLAGS': ['-std=c++17', '-stdlib=libc++'],
+        'OTHER_CPLUSPLUSFLAGS': ['-std=c++20', '-stdlib=libc++'],
       },
       'msvs_settings': {
         'VCCLCompilerTool': {
           'AdditionalOptions': [
-            '/std:c++17',
+            '/std:c++20',
           ],
         },
       },