build: -Dlib-files-only prevents self-hosted compiler from being built

closes #5756

1 files changed, 28 insertions, 25 deletions

diff --git a/build.zig b/build.zig
index fd513de54f..3daef75a58 100644
--- a/build.zig
+++ b/build.zig
@@ -49,11 +49,6 @@ pub fn build(b: *Builder) !void {
 
     const fmt_build_zig = b.addFmt(&[_][]const u8{"build.zig"});
 
-    var exe = b.addExecutable("zig", "src-self-hosted/main.zig");
-    exe.setBuildMode(mode);
-    test_step.dependOn(&exe.step);
-    b.default_step.dependOn(&exe.step);
-
     const skip_release = b.option(bool, "skip-release", "Main test suite skips release builds") orelse false;
     const skip_release_small = b.option(bool, "skip-release-small", "Main test suite skips release-small builds") orelse skip_release;
     const skip_release_fast = b.option(bool, "skip-release-fast", "Main test suite skips release-fast builds") orelse skip_release;
@@ -63,29 +58,37 @@ pub fn build(b: *Builder) !void {
 
     const only_install_lib_files = b.option(bool, "lib-files-only", "Only install library files") orelse false;
     const enable_llvm = b.option(bool, "enable-llvm", "Build self-hosted compiler with LLVM backend enabled") orelse false;
-    if (enable_llvm) {
-        var ctx = parseConfigH(b, config_h_text);
-        ctx.llvm = try findLLVM(b, ctx.llvm_config_exe);
 
-        try configureStage2(b, exe, ctx);
-    }
     if (!only_install_lib_files) {
-        exe.install();
-    }
-    const tracy = b.option([]const u8, "tracy", "Enable Tracy integration. Supply path to Tracy source");
-    const link_libc = b.option(bool, "force-link-libc", "Force self-hosted compiler to link libc") orelse false;
-    if (link_libc) exe.linkLibC();
+        var exe = b.addExecutable("zig", "src-self-hosted/main.zig");
+        exe.setBuildMode(mode);
+        test_step.dependOn(&exe.step);
+        b.default_step.dependOn(&exe.step);
 
-    exe.addBuildOption(bool, "enable_tracy", tracy != null);
-    if (tracy) |tracy_path| {
-        const client_cpp = fs.path.join(
-            b.allocator,
-            &[_][]const u8{ tracy_path, "TracyClient.cpp" },
-        ) catch unreachable;
-        exe.addIncludeDir(tracy_path);
-        exe.addCSourceFile(client_cpp, &[_][]const u8{ "-DTRACY_ENABLE=1", "-fno-sanitize=undefined" });
-        exe.linkSystemLibraryName("c++");
-        exe.linkLibC();
+        if (enable_llvm) {
+            var ctx = parseConfigH(b, config_h_text);
+            ctx.llvm = try findLLVM(b, ctx.llvm_config_exe);
+
+            try configureStage2(b, exe, ctx);
+        }
+        if (!only_install_lib_files) {
+            exe.install();
+        }
+        const tracy = b.option([]const u8, "tracy", "Enable Tracy integration. Supply path to Tracy source");
+        const link_libc = b.option(bool, "force-link-libc", "Force self-hosted compiler to link libc") orelse false;
+        if (link_libc) exe.linkLibC();
+
+        exe.addBuildOption(bool, "enable_tracy", tracy != null);
+        if (tracy) |tracy_path| {
+            const client_cpp = fs.path.join(
+                b.allocator,
+                &[_][]const u8{ tracy_path, "TracyClient.cpp" },
+            ) catch unreachable;
+            exe.addIncludeDir(tracy_path);
+            exe.addCSourceFile(client_cpp, &[_][]const u8{ "-DTRACY_ENABLE=1", "-fno-sanitize=undefined" });
+            exe.linkSystemLibraryName("c++");
+            exe.linkLibC();
+        }
     }
 
     b.installDirectory(InstallDirectoryOptions{