Use more caching to reduce CI times for Mac and Linux

.github/scripts/utils.zsh/setup_linux

@@ -12,8 +12,6 @@ if (( ! ${+target} )) {
 
 pushd ${project_root}
 
-typeset -g QT_VERSION
-
 local -a apt_args=(
   ${CI:+-y}
   --no-install-recommends
@@ -45,20 +43,11 @@ if (( ! (${skips[(Ie)all]} + ${skips[(Ie)deps]}) )) {
 
   local -a _qt_packages=()
 
-  if (( QT_VERSION == 5 )) {
-    _qt_packages+=(
-      qtbase5-dev${suffix}
-      libqt5svg5-dev${suffix}
-      qtbase5-private-dev${suffix}
-      libqt5x11extras5-dev${suffix}
-    )
-  } else {
-    _qt_packages+=(
-      qt6-base-dev${suffix}
-      libqt6svg6-dev${suffix}
-      qt6-base-private-dev${suffix}
-    )
-  }
+  _qt_packages+=(
+    qt6-base-dev${suffix}
+    libqt6svg6-dev${suffix}
+    qt6-base-private-dev${suffix}
+  )
 
   sudo apt-get install ${apt_args} ${_qt_packages}
   log_group

.github/workflows/build-project.yaml

@@ -120,6 +120,20 @@ jobs:
           restore-keys: |
             ${{ runner.os }}-ccache-${{ matrix.architecture }}-
 
+      - uses: actions/cache@v4
+        id: icu-cache
+        with:
+          path: |
+            ${{ github.workspace }}/build_macos/ICU_build-prefix/bin
+            ${{ github.workspace }}/build_macos/ICU_build-prefix/include
+            ${{ github.workspace }}/build_macos/ICU_build-prefix/lib
+            ${{ github.workspace }}/build_macos/ICU_build-prefix/sbin
+            ${{ github.workspace }}/build_macos/ICU_build-prefix/share
+            ${{ github.workspace }}/build_macos/ICU_build-prefix/tmp
+          key: ${{ runner.os }}-icu-build-${{ needs.check-event.outputs.config }}-${{ matrix.architecture }}
+          restore-keys: |
+            ${{ runner.os }}-icu-build-${{ matrix.architecture }}-
+
       - uses: actions-rust-lang/setup-rust-toolchain@v1
         if: matrix.architecture == 'arm64'
         with:
@@ -153,6 +167,7 @@ jobs:
           codesignIdent: ${{ steps.codesign.outputs.codesignIdent }}
         env:
           MACOS_ARCH: ${{ matrix.architecture }}
+          GITHUB_WORKSPACE: ${{ github.workspace }}
 
       - name: Package Plugin 📀
         uses: ./.github/actions/package-plugin
@@ -196,6 +211,25 @@ jobs:
           submodules: recursive
           fetch-depth: 0
 
+      - uses: awalsh128/cache-apt-pkgs-action@v1.6.0
+        with:
+          packages: |
+            ccache
+            libcurl4-openssl-dev
+            libicu-dev
+            libgles2-mesa-dev
+            libopenblas-dev
+            libopenblas-openmp-dev
+            libqt6svg6-dev
+            libsimde-dev
+            libvulkan-dev
+            obs-studio
+            pkg-config
+            qt6-base-dev
+            qt6-base-private-dev
+          add-repository: ppa:obsproject/obs-studio
+          version: 1.0
+
       - name: Set Up Environment 🔧
         id: setup
         run: |

CMakeLists.txt

@@ -116,10 +116,26 @@ if(USE_SYSTEM_ICU)
   target_link_libraries(${CMAKE_PROJECT_NAME} PRIVATE "${ICU_LIBRARIES}")
   target_include_directories(${CMAKE_PROJECT_NAME} SYSTEM PUBLIC "${ICU_INCLUDE_DIRS}")
 else()
-  include(cmake/BuildICU.cmake)
-  # Add ICU to the target
-  target_link_libraries(${CMAKE_PROJECT_NAME} PRIVATE ICU)
-  target_include_directories(${CMAKE_PROJECT_NAME} SYSTEM PUBLIC ${ICU_INCLUDE_DIR})
+  find_library(ICU_DATA_LIB icudata OPTIONAL)
+  find_library(ICU_UC_LIB icuuc OPTIONAL)
+  find_library(ICU_I18N_LIB icui18n OPTIONAL)
+
+  if(ICU_DATA_LIB
+     AND ICU_UC_LIB
+     AND ICU_I18N_LIB)
+    list(APPEND ICU_LIBRARIES ${ICU_DATA_LIB} ${ICU_UC_LIB} ${ICU_I18N_LIB})
+    message(STATUS "Cached ICU libs: " ${ICU_LIBRARIES})
+    set(ICU_INCLUDE_DIR "${CMAKE_BINARY_DIR}/ICU_build-prefix/include")
+    message(STATUS "Cached ICU include dir: " ${ICU_INCLUDE_DIR})
+
+    target_link_libraries(${CMAKE_PROJECT_NAME} PRIVATE "${ICU_LIBRARIES}")
+    target_include_directories(${CMAKE_PROJECT_NAME} SYSTEM PUBLIC ${ICU_INCLUDE_DIR})
+  else()
+    include(cmake/BuildICU.cmake)
+    # Add ICU to the target
+    target_link_libraries(${CMAKE_PROJECT_NAME} PRIVATE ICU)
+    target_include_directories(${CMAKE_PROJECT_NAME} SYSTEM PUBLIC ${ICU_INCLUDE_DIR})
+  endif()
 endif()
 
 # check env var for extra verbose logging

CMakePresets.json

@@ -40,7 +40,8 @@
       "description": "Build for macOS 12.0+ (Universal binary) for CI",
       "generator": "Xcode",
       "cacheVariables": {
-        "CMAKE_COMPILE_WARNING_AS_ERROR": true
+        "CMAKE_COMPILE_WARNING_AS_ERROR": true,
+        "CMAKE_PREFIX_PATH": "$penv{GITHUB_WORKSPACE}/build_macos/ICU_build-prefix"
       }
     },
     {