Commit 9f01598a49

@@ -2139,10 +2139,6 @@ struct CodeGen {
     Buf llvm_ir_file_output_path;
     Buf analysis_json_output_path;
     Buf docs_output_path;
-    Buf *cache_dir;
-    Buf *c_artifact_dir;
-    const char **libc_include_dir_list;
-    size_t libc_include_dir_len;
 
     Buf *builtin_zig_path;
     Buf *zig_std_special_dir; // Cannot be overridden; derived from zig_lib_dir.

@@ -61,6 +61,14 @@ pub fn findZigLibDirFromSelfExe(
 
 /// Caller owns returned memory.
 pub fn resolveGlobalCacheDir(allocator: *mem.Allocator) ![]u8 {
+    if (std.process.getEnvVarOwned(allocator, "ZIG_GLOBAL_CACHE_DIR")) |value| {
+        if (value.len > 0) {
+            return value;
+        } else {
+            allocator.free(value);
+        }
+    } else |_| {}
+
     const appname = "zig";
 
     if (std.Target.current.os.tag != .windows) {

@@ -557,7 +557,7 @@ fn buildOutputType(
     var test_filter: ?[]const u8 = null;
     var test_name_prefix: ?[]const u8 = null;
     var override_local_cache_dir: ?[]const u8 = try optionalStringEnvVar(arena, "ZIG_LOCAL_CACHE_DIR");
-    var override_global_cache_dir: ?[]const u8 = try optionalStringEnvVar(arena, "ZIG_GLOBAL_CACHE_DIR");
+    var override_global_cache_dir: ?[]const u8 = null;
     var override_lib_dir: ?[]const u8 = try optionalStringEnvVar(arena, "ZIG_LIB_DIR");
     var main_pkg_path: ?[]const u8 = null;
     var clang_preprocessor_mode: Compilation.ClangPreprocessorMode = .no;