From df46fe13739acea60d482ab16811a432ddf76662 Mon Sep 17 00:00:00 2001
From: Nick Treleaven <n@trelsoft.com>
Date: Sun, 14 Mar 2021 00:55:14 +0000
Subject: [PATCH] builder: warn when using tcc with -prod (#9288)

---
 vlib/v/builder/cc.v | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/vlib/v/builder/cc.v b/vlib/v/builder/cc.v
index 771b33363b..1b939614cd 100644
--- a/vlib/v/builder/cc.v
+++ b/vlib/v/builder/cc.v
@@ -259,6 +259,11 @@ fn (mut v Builder) setup_ccompiler_options(ccompiler string) {
 		// }
 	}
 	if v.pref.is_prod {
+		// don't warn for vlib tests
+		if ccoptions.is_cc_tcc && !(v.parsed_files.len > 0
+			&& v.parsed_files.last().path.contains('vlib')) {
+			eprintln('Note: tcc is not recommended for -prod builds')
+		}
 		ccoptions.args << optimization_options
 	}
 	if v.pref.is_prod && !ccoptions.debug_mode {