ci: Add VS2022 and MSBuild to Windows CI runners (#1108)

1 files changed, 10 insertions, 1 deletions

diff --git a/ci/build b/ci/build
index ff50bbfb..648bf4c2 100755
--- a/ci/build
+++ b/ci/build
@@ -17,7 +17,16 @@ else
     mkdir -p ${BUILDDIR:-build}
     cd ${BUILDDIR:-build}
     ${CMAKE_PREFIX:-} cmake ${CMAKE_PARAMS:-} ${CCACHE_LOC:-..}
-    ${CMAKE_PREFIX:-} cmake --build . ${EXTRA_CMAKE_BUILD_FLAGS:-} -- -j$JOBS
+
+    case "${CMAKE_GENERATOR}" in
+        [Vv]isual" "[Ss]tudio*) # MSBuild, use all CPUs.
+            ${CMAKE_PREFIX:-} cmake --build . ${EXTRA_CMAKE_BUILD_FLAGS:-} -- -m
+            ;;
+        *) # Ninja automatically uses all available CPUs.
+            ${CMAKE_PREFIX:-} cmake --build . ${EXTRA_CMAKE_BUILD_FLAGS:-}
+            ;;
+    esac
+
     case "${RUN_TESTS:-all}" in
         all)
             CC=${TEST_CC:-${CC}} ctest --output-on-failure -j$JOBS "$@"