replacing env vars by compile options

src/vulkan/Instance.zig

@@ -1,7 +1,7 @@
 const std = @import("std");
 const builtin = @import("builtin");
 const vk = @import("vulkan");
-const config = @import("config");
+const config = @import("lib.zig").config;
 
 const VkError = @import("error_set.zig").VkError;
 const Dispatchable = @import("Dispatchable.zig").Dispatchable;

src/vulkan/environment.zig

@@ -1,27 +0,0 @@
-const std = @import("std");
-const builtin = @import("builtin");
-
-pub fn hasEnvVar(name: []const u8) bool {
-    return getEnvVar(name) != null;
-}
-
-pub fn getEnvVar(name: []const u8) ?[:0]const u8 {
-    if (builtin.os.tag == .windows)
-        return null;
-
-    if (std.mem.indexOfScalar(u8, name, '=') != null)
-        return null;
-
-    var ptr = std.c.environ;
-    while (ptr[0]) |line| : (ptr += 1) {
-        var line_i: usize = 0;
-        while (line[line_i] != 0) : (line_i += 1) {
-            if (line_i == name.len) break;
-            if (line[line_i] != name[line_i]) break;
-        }
-        if ((line_i != name.len) or (line[line_i] != '=')) continue;
-
-        return std.mem.sliceTo(line + line_i + 1, 0);
-    }
-    return null;
-}

src/vulkan/lib.zig

@@ -11,7 +11,7 @@ pub const errors = @import("error_set.zig");
 pub const lib_vulkan = @import("lib_vulkan.zig");
 pub const logger = @import("logger.zig");
 pub const format = @import("format.zig");
-pub const env = @import("environment.zig");
+pub const config = @import("config");
 
 pub const Dispatchable = @import("Dispatchable.zig").Dispatchable;
 pub const NonDispatchable = @import("NonDispatchable.zig").NonDispatchable;

src/vulkan/logger.zig

@@ -14,14 +14,14 @@ comptime {
 var mutex: std.Io.Mutex = .init;
 
 pub inline fn fixme(comptime format: []const u8, args: anytype) void {
-    if (!lib.env.hasEnvVar("STROLL_DEBUG_LOGS")) {
+    if (!lib.config.logs) {
         return;
     }
     std.log.scoped(.FIXME).warn("FIXME: " ++ format, args);
 }
 
 pub fn log(comptime level: std.log.Level, comptime scope: @EnumLiteral(), comptime format: []const u8, args: anytype) void {
-    if (!lib.env.hasEnvVar("STROLL_DEBUG_LOGS")) {
+    if (!lib.config.logs) {
         return;
     }