From ef7a396c02ca78b449f8203b8580d953045e7328 Mon Sep 17 00:00:00 2001
From: Kasper Sauramo <kasper.sauramo@pm.me>
Date: Thu, 16 Oct 2025 22:50:52 +0300
Subject: [PATCH] build libvmx with zig (wip)

---
 build.zig | 26 +++++++++++++++++---------
 1 file changed, 17 insertions(+), 9 deletions(-)

diff --git a/build.zig b/build.zig
index 07c5989..d96670a 100644
--- a/build.zig
+++ b/build.zig
@@ -37,17 +37,25 @@ pub fn build(b: *std.Build) void {
     libomt_build.step.dependOn(&libomtnet_build.step);
     // TODO: install libomt.so and libomt.h in a more convenient location
 
-    // Build libvmx
-    const libvmx_build = b.addSystemCommand(&.{"bash"});
-    libvmx_build.addFileArg(b.path("3rd/libvmx/build/buildlinuxx64.sh"));
-    libvmx_build.cwd = b.path("3rd/libvmx/build");
+    const libvmx_build = b.addLibrary(.{
+        .root_module //todo
+        .name = "libvmx",
+        .linkage = .dynamic,
+    });
+    libvmx_build.linkLibCpp();
+    libvmx_build.root_module.addCSourceFiles(.{
+        .root = b.path("3rd/libvmx/build/"),
+        .files = .{ "../src/vmxcodec_x86.cpp", "../src/vmxcodec_avx2.cpp", "../src/vmxcodec.cpp" },
+        .flags = .{ "-O3", "-std=c++17", "-fdeclspec", "-fPIC", "-mlzcnt", "-mavx2", "-mbmi", "-shared", "-Wl,-rpath,'$ORIGIN'" },
+        .language = null,
+    });
 
     // Copy libvmx to a place of happiness
     // TODO: Runs but doesn't do what I'd expect it to. What's going on?
-    const libvmx_copy = b.addSystemCommand(&.{"cp"});
-    libvmx_copy.addFileArg(b.path("3rd/libvmx/build/libvmx.so"));
-    _ = libvmx_copy.addOutputFileArg("3rd/libomt/bin/Release/net8.0/linux-x64/publish/");
-    libvmx_copy.step.dependOn(&libvmx_build.step);
+    // const libvmx_copy = b.addSystemCommand(&.{"cp"});
+    // libvmx_copy.addFileArg(b.path("3rd/libvmx/build/libvmx.so"));
+    // _ = libvmx_copy.addOutputFileArg("3rd/libomt/bin/Release/net8.0/linux-x64/publish/libvmx.so");
+    // libvmx_copy.step.dependOn(&libvmx_build.step);
 
     // Define executable
     const sender_exe = b.addExecutable(.{
@@ -87,7 +95,7 @@ pub fn build(b: *std.Build) void {
     // Manual build step for libomt dependencies
     const build_omt_step = b.step("build-omt", "Build libomt and libomtnet");
     build_omt_step.dependOn(&libomt_build.step);
-    build_omt_step.dependOn(&libvmx_copy.step);
+    // build_omt_step.dependOn(&libvmx_copy.step);
 
     // Add run step for sender
     const run_sender_step = b.step("sender-run", "Run the sender client");