diff --git a/build.zig b/build.zig
index c46ed74cf..3bd1722ed 100644
--- a/build.zig
+++ b/build.zig
@@ -3,6 +3,7 @@ const Builder = std.build.Builder;
 const LibExeObjStep = std.build.LibExeObjStep;
 const glfw = @import("vendor/mach/glfw/build.zig");
 const ft = @import("src/freetype/build.zig");
+const cglm = @import("src/cglm.zig");
 
 pub fn build(b: *std.build.Builder) !void {
     const target = b.standardTargetOptions(.{});
@@ -17,6 +18,8 @@ pub fn build(b: *std.build.Builder) !void {
 
     exe.linkSystemLibrary("epoxy");
 
+    try cglm.build(b, exe, target, mode, .{});
+
     const ftlib = try ft.create(b, target, mode, .{});
     ftlib.link(exe);
     // to link to system:
diff --git a/src/cglm.zig b/src/cglm.zig
new file mode 100644
index 000000000..a839e9ede
--- /dev/null
+++ b/src/cglm.zig
@@ -0,0 +1,78 @@
+const std = @import("std");
+
+/// Compile-time options for the library. These mostly correspond to
+/// options exposed by the native build system used by the library.
+pub const BuildOptions = struct {};
+
+// Build and link this library.
+pub fn build(
+    b: *std.build.Builder,
+    step: *std.build.LibExeObjStep,
+    target: std.zig.CrossTarget,
+    mode: std.builtin.Mode,
+    opts: BuildOptions,
+) !void {
+    _ = opts;
+
+    const ret = b.addStaticLibrary("cglm", null);
+    ret.setTarget(target);
+    ret.setBuildMode(mode);
+
+    var flags = std.ArrayList([]const u8).init(b.allocator);
+    defer flags.deinit();
+
+    try flags.appendSlice(&.{
+        "-DCGLM_STATIC",
+    });
+
+    // C files
+    ret.addCSourceFiles(srcs, flags.items);
+    ret.addIncludeDir(include_dir);
+    ret.linkLibC();
+
+    step.addIncludeDir(include_dir);
+    step.linkLibrary(ret);
+}
+
+fn root() []const u8 {
+    return (std.fs.path.dirname(@src().file) orelse unreachable) ++ "/../vendor/cglm/";
+}
+
+/// Directories with our includes.
+const include_dir = root() ++ "include";
+
+const srcs = &.{
+    root() ++ "src/euler.c",
+    root() ++ "src/affine.c",
+    root() ++ "src/io.c",
+    root() ++ "src/quat.c",
+    root() ++ "src/cam.c",
+    root() ++ "src/vec2.c",
+    root() ++ "src/vec3.c",
+    root() ++ "src/vec4.c",
+    root() ++ "src/mat2.c",
+    root() ++ "src/mat3.c",
+    root() ++ "src/mat4.c",
+    root() ++ "src/plane.c",
+    root() ++ "src/frustum.c",
+    root() ++ "src/box.c",
+    root() ++ "src/project.c",
+    root() ++ "src/sphere.c",
+    root() ++ "src/ease.c",
+    root() ++ "src/curve.c",
+    root() ++ "src/bezier.c",
+    root() ++ "src/ray.c",
+    root() ++ "src/affine2d.c",
+    root() ++ "src/clipspace/persp_lh_zo.c",
+    root() ++ "src/clipspace/persp_rh_zo.c",
+    root() ++ "src/clipspace/persp_lh_no.c",
+    root() ++ "src/clipspace/persp_rh_no.c",
+    root() ++ "src/clipspace/ortho_lh_zo.c",
+    root() ++ "src/clipspace/ortho_rh_zo.c",
+    root() ++ "src/clipspace/ortho_lh_no.c",
+    root() ++ "src/clipspace/ortho_rh_no.c",
+    root() ++ "src/clipspace/view_lh_zo.c",
+    root() ++ "src/clipspace/view_rh_zo.c",
+    root() ++ "src/clipspace/view_lh_no.c",
+    root() ++ "src/clipspace/view_rh_no.c",
+};