Fix building hwloc on Windows with Ninja generator

Fixes: #1057

Co-developed-by: Patryk Kaminski <[email protected]>
Co-developed-by: Lukasz Dorau <[email protected]>

Signed-off-by: Lukasz Dorau <[email protected]>

Author: ldorau

CMakeLists.txt

@@ -162,10 +162,47 @@ else()
             SOURCE_SUBDIR contrib/windows-cmake/ FIND_PACKAGE_ARGS)
         FetchContent_MakeAvailable(hwloc_targ)
 
+        if(CMAKE_GENERATOR STREQUAL "Ninja")
+            add_custom_command(
+                COMMAND ${CMAKE_COMMAND}
+                        -DCMAKE_INSTALL_PREFIX=${hwloc_targ_BINARY_DIR} -B build
+                WORKING_DIRECTORY
+                    ${hwloc_targ_SOURCE_DIR}/contrib/windows-cmake/
+                OUTPUT
+                    ${hwloc_targ_SOURCE_DIR}/contrib/windows-cmake/CMakeCache.txt
+            )
+            add_custom_command(
+                COMMAND ${CMAKE_COMMAND} --build build
+                WORKING_DIRECTORY
+                    ${hwloc_targ_SOURCE_DIR}/contrib/windows-cmake/
+                OUTPUT
+                    ${hwloc_targ_SOURCE_DIR}/contrib/windows-cmake/build/lib/hwloc.lib
+                DEPENDS
+                    ${hwloc_targ_SOURCE_DIR}/contrib/windows-cmake/CMakeCache.txt
+            )
+            add_custom_command(
+                COMMAND ${CMAKE_COMMAND} --build build --target INSTALL
+                WORKING_DIRECTORY
+                    ${hwloc_targ_SOURCE_DIR}/contrib/windows-cmake/
+                OUTPUT ${hwloc_targ_BINARY_DIR}/lib/hwloc.lib
+                DEPENDS
+                    ${hwloc_targ_SOURCE_DIR}/contrib/windows-cmake/build/lib/hwloc.lib
+            )
+            add_custom_target(hwloc_prod
+                              DEPENDS ${hwloc_targ_BINARY_DIR}/lib/hwloc.lib)
+            target_link_libraries(
+                hwloc INTERFACE ${hwloc_targ_BINARY_DIR}/lib/hwloc.lib)
+            add_dependencies(hwloc hwloc_prod)
+
+            set(LIBHWLOC_LIBRARY_DIRS ${hwloc_targ_BINARY_DIR}/lib)
+            set(LIBHWLOC_LIBRARIES ${hwloc_targ_BINARY_DIR}/lib/hwloc.lib)
+        else()
+            set(LIBHWLOC_LIBRARY_DIRS ${hwloc_targ_BINARY_DIR}/$<CONFIG>)
+            set(LIBHWLOC_LIBRARIES ${hwloc_targ_BINARY_DIR}/$<CONFIG>/hwloc.lib)
+        endif()
+
         set(LIBHWLOC_INCLUDE_DIRS
             ${hwloc_targ_SOURCE_DIR}/include;${hwloc_targ_BINARY_DIR}/include)
-        set(LIBHWLOC_LIBRARY_DIRS
-            ${hwloc_targ_BINARY_DIR}/Release;${hwloc_targ_BINARY_DIR}/Debug)
     else()
         include(FetchContent)
         message(