update ci.yml to account for arm64 macos

.github/workflows/ci.yml

@@ -7,14 +7,16 @@ jobs:
       fail-fast: false
       max-parallel: 20
       matrix:
-        branch: [version-1-6, version-2-0]
+        branch: [version-1-6, version-2-0, version-2-2, devel]
         target:
           - os: linux
             cpu: amd64
           - os: linux
             cpu: i386
           - os: macos
             cpu: amd64
+          - os: macos
+            cpu: arm64
           - os: windows
             cpu: amd64
           - os: windows
@@ -27,6 +29,10 @@ jobs:
               os: macos
               cpu: amd64
             builder: macos-13
+          - target:
+              os: macos
+              cpu: arm64
+            builder: macos-latest
           - target:
               os: windows
             builder: windows-latest
@@ -39,7 +45,7 @@ jobs:
     runs-on: ${{ matrix.builder }}
     steps:
       - name: Git checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           submodules: true
 
@@ -66,15 +72,15 @@ jobs:
       - name: Restore MinGW-W64 (Windows) from cache
         if: runner.os == 'Windows'
         id: windows-mingw-cache
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: external/mingw-${{ matrix.target.cpu }}
           key: 'llvm-mingw-17-${{ matrix.target.cpu }}'
 
       - name: Restore Nim DLLs dependencies (Windows) from cache
         if: runner.os == 'Windows'
         id: windows-dlls-cache
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: external/dlls-${{ matrix.target.cpu }}
           key: 'dlls-${{ matrix.target.cpu }}'
@@ -124,7 +130,7 @@ jobs:
 
       - name: Restore prebuilt Nim from cache
         id: nim-cache
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: NimBinaries
           key: '${{ matrix.target.os }}-${{ matrix.target.cpu }}-${{ steps.versions.outputs.nimbus_build_system }}'

Makefile

@@ -7,7 +7,7 @@
 
 SHELL := bash # the shell used internally by Make
 
-NIM_PARAMS := -f --outdir:build --skipParentCfg:on --skipUserCfg:on $(NIMFLAGS)
+NIM_PARAMS := -f --gc:refc --outdir:build --skipParentCfg:on --skipUserCfg:on $(NIMFLAGS)
 BUILD_MSG := "\\x1B[92mBuilding:\\x1B[39m"
 CMAKE := cmake
 CMAKE_MISSING_MSG := "CMake not installed. Aborting."