use zlib from allyourcodebase

See #7 (comment)

Author: sno2

build.zig

@@ -7,6 +7,13 @@ pub fn build(b: *std.Build) void {
     const strip = b.option(bool, "strip", "Omit debug information");
     const sanitize_thread = b.option(bool, "sanitize_thread", "Enable thread sanitizer");
 
+    const zlib_dep = b.dependency("zlib", .{
+        .target = target,
+        .optimize = optimize,
+    });
+
+    const zlib = zlib_dep.artifact("z");
+
     const upstream = b.dependency("nasm", .{});
 
     const have_htole = if (target.result.os.tag != .windows and !target.result.os.tag.isDarwin()) true else null;
@@ -313,25 +320,12 @@ pub fn build(b: *std.Build) void {
     b.installArtifact(nasm);
     for (include_paths) |path| nasm.root_module.addIncludePath(path);
     nasm.root_module.linkLibrary(nasm_common);
-    nasm.root_module.addIncludePath(upstream.path("zlib"));
+    nasm.root_module.linkLibrary(zlib);
     nasm.root_module.addCSourceFiles(.{
         .root = upstream.path("asm"),
         .files = nasm_asm_sources,
         .flags = flags,
     });
-    nasm.root_module.addCSourceFiles(.{
-        .root = upstream.path("zlib"),
-        .files = &.{
-            "adler32.c",
-            "crc32.c",
-            "infback.c",
-            "inffast.c",
-            "inflate.c",
-            "inftrees.c",
-            "zutil.c",
-        },
-        .flags = flags,
-    });
 
     const ndisasm = b.addExecutable(.{
         .name = "ndisasm",

build.zig.zon

@@ -8,6 +8,10 @@
             .url = "https://www.nasm.us/pub/nasm/releasebuilds/3.01/nasm-3.01.tar.gz",
             .hash = "N-V-__8AAEAMKAFrNesgN6ZM9sxj37fq_i7UJe5nKkLmyRJI",
         },
+        .zlib = .{
+            .url = "git+https://github.com/allyourcodebase/zlib.git#c5115f4b69ef660f72a835c6638f80508ef284c7",
+            .hash = "zlib-1.3.1-1-ZZQ7ldENAAA7qJjUXP6E6xnRuV-jDL9dyoJFc_eb3zQ6",
+        },
     },
     .paths = .{
         "build.zig.zon",