Merge https://github.com/thedeadtellnotales/glfw

Switch to zig purely as a build system

Author: Batres3

.gitattributes

@@ -1,5 +1,3 @@
 *.m linguist-language=Objective-C
 .gitignore export-ignore
 .gitattributes export-ignore
-.travis.yml export-ignore
-.appveyor.yml export-ignore

.github/pull_request_template.md

@@ -0,0 +1,3 @@
+
+
+- [ ] By selecting this checkbox, I agree to license my contributions to this project under the license(s) described in the LICENSE file, and I have the right to do so or have received permission to do so by an employer or client I am producing work for whom has this right.

.github/workflows/ci.yml

@@ -0,0 +1,49 @@
+name: CI
+on:
+  - push
+  - pull_request
+jobs:
+  x86_64-linux:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+        with:
+          submodules: 'true'
+      - name: Setup Zig
+        run: |
+          sudo apt install xz-utils
+          sudo sh -c 'wget -c https://pkg.machengine.org/zig/zig-linux-x86_64-0.14.0-dev.1911+3bf89f55c.tar.xz -O - | tar -xJ --strip-components=1 -C /usr/local/bin'
+      - name: build
+        run: zig build
+  x86_64-windows:
+    runs-on: windows-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+        with:
+          submodules: 'true'
+      - name: Setup Zig
+        run: |
+          $ProgressPreference = 'SilentlyContinue'
+          Invoke-WebRequest -Uri "https://pkg.machengine.org/zig/zig-windows-x86_64-0.14.0-dev.1911+3bf89f55c.zip" -OutFile "C:\zig.zip"
+          cd C:\
+          7z x zig.zip
+          Add-Content $env:GITHUB_PATH "C:\zig-windows-x86_64-0.14.0-dev.1911+3bf89f55c\"
+      - name: build
+        run: zig build
+  x86_64-macos:
+    runs-on: macos-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+        with:
+          submodules: 'true'
+      - name: Setup Zig
+        run: |
+          brew install xz
+          sudo sh -c 'wget -c https://pkg.machengine.org/zig/zig-macos-x86_64-0.14.0-dev.1911+3bf89f55c.tar.xz -O - | tar -xJ --strip-components=1 -C /usr/local/bin'
+      - name: build
+        run: zig build
+        env:
+          AGREE: true

.gitignore

@@ -102,3 +102,6 @@ tests/triangle-vulkan
 tests/window
 tests/windows
 
+# Zig stuff
+zig-*
+.zig-cache