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This commit is contained in:
agra
2026-03-02 21:00:55 +02:00
parent 2f4f898d54
commit bbb5426777
42 changed files with 483 additions and 9023 deletions
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11
src/c_import.zig
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@@ -309,6 +309,8 @@ pub fn compileCWithEmcc(
allocator: std.mem.Allocator,
io: std.Io,
infos: []const CImportInfo,
target_config: @import("target.zig").TargetConfig,
tmp_dir: []const u8,
) ![]const []const u8 {
var paths = std.ArrayList([]const u8).empty;
var obj_idx: usize = 0;
@@ -317,11 +319,15 @@ pub fn compileCWithEmcc(
if (info.sources.len == 0) continue;
for (info.sources) |src| {
const out_path = try std.fmt.allocPrint(allocator, "/tmp/sx_emcc_{d}.o", .{obj_idx});
const out_path = try std.fmt.allocPrint(allocator, "{s}/sx_emcc_{d}.o", .{ tmp_dir, obj_idx });
obj_idx += 1;
var argv = std.ArrayList([]const u8).empty;
try argv.appendSlice(allocator, &.{ "emcc", "-c", "-O2", src, "-o", out_path });
// wasm64: compile C sources with memory64 support
if (target_config.isWasm64()) {
try argv.append(allocator, "-sMEMORY64");
}
// Add include paths
for (info.includes) |inc| {
try argv.append(allocator, try std.fmt.allocPrint(allocator, "-I{s}", .{dirName(inc)}));
@@ -355,11 +361,12 @@ pub fn writeCObjectFiles(
allocator: std.mem.Allocator,
io: std.Io,
obj_bufs: []c.LLVMMemoryBufferRef,
tmp_dir: []const u8,
) ![]const []const u8 {
var paths = std.ArrayList([]const u8).empty;
for (obj_bufs, 0..) |buf, i| {
const path = try std.fmt.allocPrint(allocator, "/tmp/sx_c_{d}.o", .{i});
const path = try std.fmt.allocPrint(allocator, "{s}/sx_c_{d}.o", .{ tmp_dir, i });
const start = c.LLVMGetBufferStart(buf);
const size = c.LLVMGetBufferSize(buf);
const data = @as([*]const u8, @ptrCast(start))[0..size];