ci: use bash for Windows and build more targets in CI

.azure-pipelines/windows.yml

@@ -7,15 +7,15 @@ jobs:
 - job: Windows
   timeoutInMinutes: 360
   pool:
-    vmImage: 'windows-latest'
+    vmImage: "windows-latest"
 
   steps:
-  - powershell: |
-      .\ci\windows_ci_setup.ps1
-      Write-Host "##vso[task.prependpath]$env:TOOLS_BIN_DIR"
-    displayName: 'Install dependencies'
-    env:
-      TOOLS_BIN_DIR: $(Pipeline.Workspace)\bin
+    - powershell: |
+        .\ci\windows_ci_setup.ps1
+        Write-Host "##vso[task.prependpath]$env:TOOLS_BIN_DIR"
+      displayName: "Install dependencies"
+      env:
+        TOOLS_BIN_DIR: $(Pipeline.Workspace)\bin
 
-  - powershell: .\ci\windows_ci_steps.ps1
-    displayName: 'Run Windows CI'
+    - bash: ci/windows_ci_steps.sh
+      displayName: "Run Windows CI"

.bazelrc

@@ -19,7 +19,10 @@ build --action_env=BAZEL_LINKLIBS=-l%:libstdc++.a
 build --action_env=BAZEL_LINKOPTS=-lm
 build --host_javabase=@bazel_tools//tools/jdk:remote_jdk11
 build --javabase=@bazel_tools//tools/jdk:remote_jdk11
-build --copt=-fPIC
+build --enable_platform_specific_config
+
+# Enable position independent code, this option is not supported on Windows and default on on macOS.
+build:linux --copt=-fPIC
 
 # We already have absl in the build, define absl=1 to tell googletest to use absl for backtrace.
 build --define absl=1

bazel/envoy_binary.bzl

@@ -71,6 +71,7 @@ def _envoy_linkopts():
         ],
     }) + select({
         "@envoy//bazel:boringssl_fips": [],
+        "@envoy//bazel:windows_x86_64": [],
         "//conditions:default": ["-pie"],
     }) + _envoy_select_exported_symbols(["-Wl,-E"])
 

ci/windows_ci_steps.sh

@@ -0,0 +1,22 @@
+# No hashbang here because this script is intended for Windows
+
+set -e
+
+function finish {
+  echo "disk space at end of build:"
+  df -h
+}
+trap finish EXIT
+
+echo "disk space at beginning of build:"
+df -h
+
+. "$(dirname "$0")"/setup_cache.sh
+
+BAZEL_STARTUP_OPTIONS="--bazelrc=windows/.bazelrc"
+BAZEL_BUILD_OPTIONS="--show_task_finish --verbose_failures \
+  --test_output=all ${BAZEL_BUILD_EXTRA_OPTIONS} ${BAZEL_EXTRA_TEST_OPTIONS}"
+
+bazel ${BAZEL_STARTUP_OPTIONS} build ${BAZEL_BUILD_OPTIONS} //bazel/foreign_cc:nghttp2 //bazel/foreign_cc:event //bazel/foreign_cc:yaml
+
+bazel ${BAZEL_STARTUP_OPTIONS} test ${BAZEL_BUILD_OPTIONS} @envoy_api//test/build/...