cmake: fix find openMP

Author: fabinsch

.github/workflows/ci-linux-osx-win-conda.yml

@@ -122,7 +122,7 @@ jobs:
         git submodule update --init
         mkdir build
         cd build
-        cmake .. -G"Visual Studio 16 2019" -T "ClangCl" -DCMAKE_GENERATOR_PLATFORM=x64 -DCMAKE_C_COMPILER_LAUNCHER=ccache -DCMAKE_CXX_COMPILER_LAUNCHER=ccache -DCMAKE_INSTALL_PREFIX=${CONDA_PREFIX}/Library -DCMAKE_BUILD_TYPE=${{ matrix.build_type }}  -DBUILD_PYTHON_INTERFACE:BOOL=ON -DPYTHON_SITELIB=${CONDA_PREFIX}/Lib/site-packages -DPYTHON_EXECUTABLE=${CONDA_PREFIX}/python.exe -DOpenMP_ROOT=$CONDA_PREFIX -DBUILD_WITH_OPENMP_SUPPORT:BOOL=OFF -DLINK_PYTHON_INTERFACE_TO_OPENMP:BOOL=ON -DBUILD_DOCUMENTATION:BOOL=ON -DINSTALL_DOCUMENTATION:BOOL=ON
+        cmake .. -G"Visual Studio 16 2019" -T "ClangCl" -DCMAKE_GENERATOR_PLATFORM=x64 -DCMAKE_C_COMPILER_LAUNCHER=ccache -DCMAKE_CXX_COMPILER_LAUNCHER=ccache -DCMAKE_INSTALL_PREFIX=${CONDA_PREFIX}/Library -DCMAKE_BUILD_TYPE=${{ matrix.build_type }}  -DBUILD_PYTHON_INTERFACE:BOOL=ON -DPYTHON_SITELIB=${CONDA_PREFIX}/Lib/site-packages -DPYTHON_EXECUTABLE=${CONDA_PREFIX}/python.exe -DOpenMP_ROOT=$CONDA_PREFIX -DBUILD_WITH_OPENMP_SUPPORT:BOOL=ON -DLINK_PYTHON_INTERFACE_TO_OPENMP:BOOL=ON -DBUILD_DOCUMENTATION:BOOL=ON -DINSTALL_DOCUMENTATION:BOOL=ON
 
     - name: Configure [Conda/Windows-latest]
       if: contains(matrix.os, 'windows-latest')

CMakeLists.txt

@@ -49,13 +49,15 @@ project(${PROJECT_NAME} ${PROJECT_ARGS})
 include(${CMAKE_CURRENT_LIST_DIR}/cmake-module/ide.cmake)
 include(${CMAKE_CURRENT_LIST_DIR}/cmake-module/apple.cmake)
 if(APPLE OR WIN32) # Use the handmade approach
-  set(CMAKE_MODULE_PATH ${CMAKE_CURRENT_LIST_DIR}/cmake/find-external/OpenMP
-                        ${CMAKE_MODULE_PATH})
+  set(CMAKE_MODULE_PATH
+      ${CMAKE_CURRENT_LIST_DIR}/cmake-module/find-external/OpenMP
+      ${CMAKE_MODULE_PATH})
 elseif(UNIX)
   if(${CMAKE_VERSION} VERSION_GREATER "3.20.0" OR ${CMAKE_VERSION}
                                                   VERSION_EQUAL "3.20.0")
-    set(CMAKE_MODULE_PATH ${CMAKE_CURRENT_LIST_DIR}/cmake/find-external/OpenMP
-                          ${CMAKE_MODULE_PATH})
+    set(CMAKE_MODULE_PATH
+        ${CMAKE_CURRENT_LIST_DIR}/cmake-module/find-external/OpenMP
+        ${CMAKE_MODULE_PATH})
   endif()
 endif(APPLE OR WIN32)
 include(${CMAKE_CURRENT_LIST_DIR}/cmake-module/julia.cmake)