update build

README.md

@@ -31,6 +31,4 @@ ssim = core.ssimulacra2.SSIMULACRA2(ref, dist)
 ```
 
 ## Building
-Zig ver >= 0.12.0-dev.1594
-
 ``zig build -Doptimize=ReleaseFast``

build.zig

@@ -1,6 +1,9 @@
 const std = @import("std");
 
+pub const min_zig_version = std.SemanticVersion{ .major = 0, .minor = 12, .patch = 0, .pre = "dev.2158" };
+
 pub fn build(b: *std.Build) void {
+    ensureZigVersion() catch return;
     const target = b.standardTargetOptions(.{});
     const optimize = b.standardOptimizeOption(.{});
 
@@ -16,12 +19,35 @@ pub fn build(b: *std.Build) void {
         .optimize = optimize,
     });
 
-    lib.addModule("vapoursynth", vapoursynth_dep.module("vapoursynth"));
+    lib.root_module.addImport("vapoursynth", vapoursynth_dep.module("vapoursynth"));
     lib.linkLibC();
 
-    if (lib.optimize == .ReleaseFast) {
-        lib.strip = true;
+    if (lib.root_module.optimize == .ReleaseFast) {
+        lib.root_module.strip = true;
     }
 
     b.installArtifact(lib);
 }
+
+fn ensureZigVersion() !void {
+    var installed_ver = @import("builtin").zig_version;
+    installed_ver.build = null;
+
+    if (installed_ver.order(min_zig_version) == .lt) {
+        std.log.err("\n" ++
+            \\---------------------------------------------------------------------------
+            \\
+            \\Installed Zig compiler version is too old.
+            \\
+            \\Min. required version: {any}
+            \\Installed version: {any}
+            \\
+            \\Please install newer version and try again.
+            \\Latest version can be found here: https://ziglang.org/download/
+            \\
+            \\---------------------------------------------------------------------------
+            \\
+        , .{ min_zig_version, installed_ver });
+        return error.ZigIsTooOld;
+    }
+}

build.zig.zon

@@ -4,8 +4,8 @@
     .paths = .{""},
     .dependencies = .{
         .vapoursynth = .{
-            .url = "https://github.com/dnjulek/vapoursynth-zig/archive/11809b4e8047c15fa5de10a3c3ae15d1546630ea.tar.gz",
-            .hash = "12208a2b305e3a3cfb509f56320d839d1a7706946ca2baa099088361a71e899461d6",
+            .url = "https://github.com/dnjulek/vapoursynth-zig/archive/8f00a018ed680886283ee0b5070ae02f01d468a0.tar.gz",
+            .hash = "12207d0f77de3ea85b5c8b1f49296605834f915338b0a93da180639760011458c22c",
         },
     },
 }