From 420c98231094b1cd2e5de3a714c4e3ee9b4f1118 Mon Sep 17 00:00:00 2001
From: "Dr. Andre Vehreschild" <101638173+vehre-x41@users.noreply.github.com>
Date: Wed, 27 Apr 2022 16:10:13 +0200
Subject: [PATCH] Improve bazel build for Windows. (#1100)

Windows builds need some defines being set to use the static linking.

Also add bazel builds and test to Github-CI.
---
 .github/workflows/build.yml | 23 ++++++++++++++++++++++-
 BUILD.bazel                 |  7 +++++++
 2 files changed, 29 insertions(+), 1 deletion(-)

diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 0495461..581c559 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -6,7 +6,7 @@ on:
     branches: [ master ]
   workflow_dispatch:
 jobs:
-  build:
+  cmake-build:
       strategy:
         matrix:
           os: [ubuntu-latest, windows-latest, macos-latest]
@@ -39,3 +39,24 @@ jobs:
         - name: Test
           shell: bash
           run: cd build && ctest --output-on-failure
+
+  bazel-build:
+      strategy:
+        matrix:
+          os: [ubuntu-latest, windows-latest, macos-latest]
+      runs-on: ${{ matrix.os }}
+      steps:
+        - uses: actions/checkout@v2
+
+        - name: Build
+          shell: bash
+          run: |
+            cd "${{ github.workspace }}"
+            bazel build :all
+
+        - name: Test
+          shell: bash
+          run: |
+            cd "${{ github.workspace }}"
+            bazel test test
+
diff --git a/BUILD.bazel b/BUILD.bazel
index b0b9016..23e847e 100644
--- a/BUILD.bazel
+++ b/BUILD.bazel
@@ -1,3 +1,9 @@
+yaml_cpp_defines = select({
+    # On Windows, ensure static linking is used.
+    "@platforms//os:windows": ["YAML_CPP_STATIC_DEFINE", "YAML_CPP_NO_CONTRIB"],
+    "//conditions:default": [],
+})
+
 cc_library(
     name = "yaml-cpp_internal",
     visibility = ["//:__subpackages__"],
@@ -11,4 +17,5 @@ cc_library(
     includes = ["include"],
     hdrs = glob(["include/**/*.h"]),
     srcs = glob(["src/**/*.cpp", "src/**/*.h"]),
+    defines = yaml_cpp_defines,
 )