repair and re-enable Windows buildkite presubmit (#82393)

Author: lnihlen

.ci/generate-buildkite-pipeline-premerge

@@ -233,10 +233,7 @@ linux_projects=$(add-dependencies ${linux_projects_to_test} | sort | uniq)
 
 windows_projects_to_test=$(exclude-windows $(compute-projects-to-test ${modified_projects}))
 windows_check_targets=$(check-targets ${windows_projects_to_test} | sort | uniq)
-# Temporary disable the windows job.
-# See https://discourse.llvm.org/t/rfc-future-of-windows-pre-commit-ci/76840
-#windows_projects=$(add-dependencies ${windows_projects_to_test} | sort | uniq)
-windows_projects=""
+windows_projects=$(add-dependencies ${windows_projects_to_test} | sort | uniq)
 
 # Generate the appropriate pipeline
 if [[ "${linux_projects}" != "" ]]; then

.ci/monolithic-windows.sh

@@ -38,6 +38,12 @@ targets="${2}"
 
 echo "--- cmake"
 pip install -q -r ${MONOREPO_ROOT}/mlir/python/requirements.txt
+
+# The CMAKE_*_LINKER_FLAGS to disable the manifest come from research
+# on fixing a build reliability issue on the build server, please
+# see https://github.com/llvm/llvm-project/pull/82393 and
+# https://discourse.llvm.org/t/rfc-future-of-windows-pre-commit-ci/76840/40
+# for further information.
 cmake -S ${MONOREPO_ROOT}/llvm -B ${BUILD_DIR} \
       -D LLVM_ENABLE_PROJECTS="${projects}" \
       -G Ninja \
@@ -49,7 +55,10 @@ cmake -S ${MONOREPO_ROOT}/llvm -B ${BUILD_DIR} \
       -D COMPILER_RT_BUILD_ORC=OFF \
       -D CMAKE_C_COMPILER_LAUNCHER=sccache \
       -D CMAKE_CXX_COMPILER_LAUNCHER=sccache \
-      -D MLIR_ENABLE_BINDINGS_PYTHON=ON
+      -D MLIR_ENABLE_BINDINGS_PYTHON=ON \
+      -D CMAKE_EXE_LINKER_FLAGS="/MANIFEST:NO" \
+      -D CMAKE_MODULE_LINKER_FLAGS="/MANIFEST:NO" \
+      -D CMAKE_SHARED_LINKER_FLAGS="/MANIFEST:NO"
 
 echo "--- ninja"
 # Targets are not escaped as they are passed as separate arguments.