update actions, ccache, make -j2 and Ubuntu 24.04

Author: dimitre

.github/workflows/build-linux.yml

@@ -11,10 +11,13 @@ on:
 concurrency:
   group: ${{ github.workflow }}-${{ github.ref }}
   cancel-in-progress: true
-    
+
+env:
+  ccache: ccache
+
 jobs:
   build-linux:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-24.04
     strategy:
       matrix:
         cfg:
@@ -25,6 +28,11 @@ jobs:
     - name: Install libunwind
       run:  sudo apt-get install libunwind-dev
     - uses: actions/checkout@v4
+    - name: ccache
+      uses: hendrikmuhs/ccache-action@v1.2.12
+      with:
+        # key: ${{ matrix.os }}-${{ matrix.type }}
+        key: ${{ matrix.os }}-${{ matrix.cfg.target }}
     - name: Build
       run:
         ./scripts/linux/buildPG.sh;

.github/workflows/build-macos.yml

@@ -12,17 +12,26 @@ concurrency:
   group: ${{ github.workflow }}-${{ github.ref }}
   cancel-in-progress: true
 
+env:
+  ccache: ccache
+
 jobs:
   build-macos:
     runs-on: macos-latest
     strategy:
       matrix:
         cfg:
-          - {target: osx}
+          - { target: osx }
     env:
       TARGET: ${{ matrix.cfg.target }}
     steps:
       - uses: actions/checkout@v4
+      - name: ccache
+        uses: hendrikmuhs/ccache-action@v1.2.12
+        with:
+          # key: ${{ matrix.os }}-${{ matrix.type }}
+          key: ${{ matrix.os }}-${{ matrix.cfg.target }}
+
       - uses: actions/setup-node@v4
         with:
           node-version: 16

scripts/linux/buildPG.sh

@@ -13,7 +13,7 @@ export LC_ALL=C
 OF_ROOT=./
 
 cd ${OF_ROOT}/apps/projectGenerator
-make Release -C ./commandLine
+make -j2 Release -C ./commandLine
 ret=$?
 if [ $ret -ne 0 ]; then
       echo "Failed building Project Generator"