Use colmap thread pool to simplify mac installation

.github/workflows/mac.yml

@@ -0,0 +1,83 @@
+name: Mac
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+    types: [ assigned, opened, synchronize, reopened ]
+  release:
+    types: [ published, edited ]
+
+jobs:
+  build:
+    name: ${{ matrix.config.os }} ${{ matrix.config.arch }} ${{ matrix.config.cmakeBuildType }}
+    runs-on: ${{ matrix.config.os }}
+    strategy:
+      matrix:
+        config: [
+          {
+            os: macos-14,
+            arch: arm64,
+            cmakeBuildType: Release,
+          },
+        ]
+
+    env:
+      COMPILER_CACHE_VERSION: 1
+      COMPILER_CACHE_DIR: ${{ github.workspace }}/compiler-cache
+      CCACHE_DIR: ${{ github.workspace }}/compiler-cache/ccache
+      CCACHE_BASEDIR: ${{ github.workspace }}
+
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/cache@v4
+        id: cache-builds
+        with:
+          key: v${{ env.COMPILER_CACHE_VERSION }}-${{ matrix.config.os }}-${{ matrix.config.arch }}-${{ matrix.config.cmakeBuildType }}-${{ github.run_id }}-${{ github.run_number }}
+          restore-keys: v${{ env.COMPILER_CACHE_VERSION }}-${{ matrix.config.os }}-${{ matrix.config.arch }}-${{ matrix.config.cmakeBuildType }}
+          path: ${{ env.COMPILER_CACHE_DIR }}
+
+      - name: Setup Mac
+        run: |
+          brew install \
+            cmake \
+            ninja \
+            boost \
+            eigen \
+            flann \
+            freeimage \
+            metis \
+            glog \
+            googletest \
+            ceres-solver \
+            qt5 \
+            glew \
+            cgal \
+            sqlite3 \
+            ccache
+
+      - name: Configure and build
+        run: |
+          cmake --version
+          mkdir build
+          cd build
+          cmake .. \
+            -GNinja \
+            -DCMAKE_BUILD_TYPE=${{ matrix.config.cmakeBuildType }} \
+            -DTESTS_ENABLED=ON \
+            -DCMAKE_PREFIX_PATH="$(brew --prefix qt@5)"
+          ninja
+
+      - name: Run tests
+        run: |
+          cd build
+          set +e
+          ctest --output-on-failure -E .+colmap_.*
+
+      - name: Cleanup compiler cache
+        run: |
+          set -x
+          ccache --show-stats --verbose
+          ccache --evict-older-than 1d
+          ccache --show-stats --verbose

.github/workflows/ubuntu.yml

@@ -185,4 +185,4 @@ jobs:
           # Delete cache older than 10 days.
           find "$CTCACHE_DIR"/*/ -mtime +10 -print0 | xargs -0 rm -rf
           echo "Size of ctcache after:  $(du -sh $CTCACHE_DIR)"
-          echo "Number of ctcache files after: $(find $CTCACHE_DIR | wc -l)"
+          echo "Number of ctcache files after: $(find $CTCACHE_DIR | wc -l)"''

.gitignore

@@ -1,2 +1,3 @@
-build
-data
+/build
+/data
+/.vscode

CMakeLists.txt

@@ -7,7 +7,6 @@ set(CMAKE_CXX_STANDARD_REQUIRED ON)
 
 set_property(GLOBAL PROPERTY GLOBAL_DEPENDS_NO_CYCLES ON)
 
-option(OPENMP_ENABLED "Whether to enable OpenMP parallelization" ON)
 option(TESTS_ENABLED "Whether to build test binaries" OFF)
 option(ASAN_ENABLED "Whether to enable AddressSanitizer flags" OFF)
 option(CCACHE_ENABLED "Whether to enable compiler caching, if available" ON)

cmake/FindDependencies.cmake

@@ -19,11 +19,6 @@ if(TESTS_ENABLED)
     find_package(GTest REQUIRED)
 endif()
 
-if (OPENMP_ENABLED)
-    message(STATUS "Enabling OpenMP")
-    find_package(OpenMP REQUIRED)
-endif()
-
 include(FetchContent)
 FetchContent_Declare(PoseLib
     GIT_REPOSITORY    https://github.com/PoseLib/PoseLib.git

glomap/CMakeLists.txt

@@ -84,10 +84,6 @@ target_link_libraries(
 )
 target_include_directories(glomap PUBLIC ..)
 
-if(OPENMP_FOUND)
-    target_link_libraries(glomap PUBLIC OpenMP::OpenMP_CXX)
-endif()
-
 if(MSVC)
     target_compile_options(glomap PRIVATE /bigobj)
 else()