From 954352db4f3d86904e492c15a338c8e01eeed897 Mon Sep 17 00:00:00 2001
From: Brandon Dyck <brandon@dyck.us>
Date: Sun, 12 Dec 2021 13:30:32 -0700
Subject: [PATCH] Support Linux with GL or X11 in build.zig

---
 build.zig | 36 +++++++++++++++++++++++++++++-------
 1 file changed, 29 insertions(+), 7 deletions(-)

diff --git a/build.zig b/build.zig
index f2c631e..19910d7 100644
--- a/build.zig
+++ b/build.zig
@@ -7,7 +7,6 @@ const base_cflags: []const []const u8 = &.{
     "-Wno-switch",
     "-Wno-unused-function",
     "-Wno-implicit-fallthrough",
-    "-std=c11",
 };
 
 pub fn build(b: *std.build.Builder) !void {
@@ -24,7 +23,6 @@ pub fn build(b: *std.build.Builder) !void {
         "src/MiniFB_common.c",
         "src/MiniFB_internal.c",
         "src/MiniFB_timer.c",
-        "src/windows/WinMiniFB.c",
     });
 
     const use_opengl = b.option(bool, "opengl", "Use OpenGL") orelse false;
@@ -32,15 +30,39 @@ pub fn build(b: *std.build.Builder) !void {
     const lib = b.addStaticLibrary("minifb-zig-port", null);
     lib.addIncludeDir("src");
     lib.addIncludeDir("include");
-    lib.linkSystemLibraryName("gdi32");
     lib.linkLibC();
     lib.setBuildMode(mode);
     lib.install();
-    if (use_opengl) {
-        try c_flags.append("-DUSE_OPENGL_API");
-        try c_sources.append("src/gl/MiniFB_GL.c");
-        lib.linkSystemLibraryName("Opengl32");
+
+    switch (target.getOsTag()) {
+        std.Target.Os.Tag.windows => {
+            try c_sources.append("src/windows/WinMiniFB.c");
+            lib.linkSystemLibraryName("gdi32");
+            if (use_opengl) {
+                try c_flags.append("-DUSE_OPENGL_API");
+                try c_sources.append("src/gl/MiniFB_GL.c");
+                lib.linkSystemLibraryName("opengl32");
+            }
+        },
+        std.Target.Os.Tag.linux => {
+            try c_sources.append("src/MiniFB_linux.c");
+            try c_sources.append("src/x11/X11MiniFB.c");
+            lib.linkSystemLibrary("rt");
+            lib.linkSystemLibrary("X11");
+
+            if (use_opengl) {
+                try c_flags.append("-DUSE_OPENGL_API");
+                try c_sources.append("src/gl/MiniFB_GL.c");
+                lib.linkSystemLibrary("GL");
+            }
+            
+            // TODO wayland
+        },
+        else => {
+            return error.PlatformNotSupported;
+        },
     }
+
     lib.addCSourceFiles(c_sources.items, c_flags.items);
 
     addExample(b, "noise", "tests/noise.c", lib, target, mode);