[build] fix multi-config for VCPKG (microsoft#25585)

### Description

This change fixes the problem when building Dawn monolith library, it
failed to pick the correct imported abseil library.

Now we separate the triplet files into per-config to avoid this problem.

Author: fs-eire

tools/ci_build/build.py

@@ -620,32 +620,29 @@ def generate_build_tree(
             )
             generate_vcpkg_triplets_for_emscripten(
                 build_dir,
+                configs,
                 emscripten_root_path,
                 not args.disable_rtti,
                 not args.disable_wasm_exception_catching,
                 args.minimal_build is not None,
                 args.enable_address_sanitizer,
             )
         elif args.android:
-            generate_android_triplets(build_dir, args.android_cpp_shared, args.android_api)
+            generate_android_triplets(build_dir, configs, args.android_cpp_shared, args.android_api)
         elif is_windows():
-            generate_windows_triplets(build_dir, args.msvc_toolset)
+            generate_windows_triplets(build_dir, configs, args.msvc_toolset)
         elif is_macOS():
             osx_target = args.apple_deploy_target
             if args.apple_deploy_target is None:
                 osx_target = os.environ.get("MACOSX_DEPLOYMENT_TARGET")
             if osx_target is not None:
                 log.info(f"Setting VCPKG_OSX_DEPLOYMENT_TARGET to {osx_target}")
-            generate_macos_triplets(build_dir, osx_target)
+            generate_macos_triplets(build_dir, configs, osx_target)
         else:
             # Linux, *BSD, AIX or other platforms
-            generate_linux_triplets(build_dir)
+            generate_linux_triplets(build_dir, configs)
         add_default_definition(cmake_extra_defines, "CMAKE_TOOLCHAIN_FILE", str(vcpkg_toolchain_path))
 
-        vcpkg_install_options = generate_vcpkg_install_options(build_dir, args)
-        # VCPKG_INSTALL_OPTIONS is a CMake list. It must be joined by semicolons
-        # Therefore, if any of the option string contains a semicolon, it must be escaped
-        add_default_definition(cmake_extra_defines, "VCPKG_INSTALL_OPTIONS", ";".join(vcpkg_install_options))
         # Choose the cmake triplet
         triplet = None
         if args.build_wasm:
@@ -1251,6 +1248,16 @@ def generate_build_tree(
             ]
         env = {}
         if args.use_vcpkg:
+            # append VCPKG_INSTALL_OPTIONS
+            #
+            # VCPKG_INSTALL_OPTIONS is a CMake list. It must be joined by semicolons
+            # Therefore, if any of the option string contains a semicolon, it must be escaped
+            temp_cmake_args += [
+                "-DVCPKG_INSTALL_OPTIONS={}".format(
+                    ";".join(generate_vcpkg_install_options(Path(build_dir) / config, args))
+                )
+            ]
+
             vcpkg_keep_env_vars = ["TRT_UPLOAD_AUTH_TOKEN"]
 
             if args.build_wasm:

tools/ci_build/github/azure-pipelines/linux-gpu-tensorrt-cuda-minimal-ci-pipeline.yml

@@ -65,6 +65,12 @@ jobs:
     clean: true
     submodules: none
 
+  - task: UsePythonVersion@0
+    inputs:
+      versionSpec: '3.12'
+      addToPath: true
+      architecture: 'x64'
+
   - template: templates/get-docker-image-steps.yml
     parameters:
       Dockerfile: tools/ci_build/github/linux/docker/Dockerfile.manylinux2_28_cuda