Commit fea615710268582f488b894e4276938c5e385636 | zig

author	Andrew Kelley <andrew@ziglang.org> 2023-05-17 15:43:15-07:00
committer	Andrew Kelley <andrew@ziglang.org> 2023-05-17 15:43:15-07:00
log	fea615710268582f488b894e4276938c5e385636
tree	64af53fec74ff3b913fa7eb98881187393635d69
parent	ad20236e977cf6e55f2da1340952e521e2507786

zig2.c: omit non-essential subcommands

When producing zig2.c, don't waste time emitting C code for subcommands
that won't be used, such as objcopy.

This takes zig2.c down from 111M to 109M, and sidesteps some unfortunate
warnings that are currently emitted by GCC.

1 files changed, 10 insertions(+), 8 deletions(-)

src
- main.zig

src/main.zig+10-8

 @@ -281,12 +281,8 @@ pub fn mainArgs(gpa: Allocator, arena: Allocator, args: []const []const u8) !voi
         mem.eql(u8, cmd, "ar"))
     {
         return process.exit(try llvmArMain(arena, args));
-    } else if (mem.eql(u8, cmd, "cc")) {
+    } else if (mem.eql(u8, cmd, "build")) {
-        return buildOutputType(gpa, arena, args, .cc);
+        return cmdBuild(gpa, arena, cmd_args);
-    } else if (mem.eql(u8, cmd, "c++")) {
-        return buildOutputType(gpa, arena, args, .cpp);
-    } else if (mem.eql(u8, cmd, "translate-c")) {
-        return buildOutputType(gpa, arena, args, .translate_c);
     } else if (mem.eql(u8, cmd, "clang") or
         mem.eql(u8, cmd, "-cc1") or mem.eql(u8, cmd, "-cc1as"))
     {
 @@ -296,8 +292,14 @@ pub fn mainArgs(gpa: Allocator, arena: Allocator, args: []const []const u8) !voi
         mem.eql(u8, cmd, "wasm-ld"))
     {
         return process.exit(try lldMain(arena, args, true));
-    } else if (mem.eql(u8, cmd, "build")) {
+    } else if (build_options.omit_pkg_fetching_code) {
-        return cmdBuild(gpa, arena, cmd_args);
+        @panic("only a few subcommands are supported in a zig2.c build");
+    } else if (mem.eql(u8, cmd, "cc")) {
+        return buildOutputType(gpa, arena, args, .cc);
+    } else if (mem.eql(u8, cmd, "c++")) {
+        return buildOutputType(gpa, arena, args, .cpp);
+    } else if (mem.eql(u8, cmd, "translate-c")) {
+        return buildOutputType(gpa, arena, args, .translate_c);
     } else if (mem.eql(u8, cmd, "fmt")) {
         return cmdFmt(gpa, arena, cmd_args);
     } else if (mem.eql(u8, cmd, "objcopy")) {