From 4ec572e392000437bcc1fb7296f3977b1a12add2 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Thomas=20P=C3=B6chtrager?= <t.poechtrager@gmail.com>
Date: Sat, 20 Mar 2021 15:05:51 +0100
Subject: [PATCH] Add 'OSXCROSS_ENABLE_WERROR_IMPLICIT_FUNCTION_DECLARATION'
 env variable to emulate Xcode 12's behavior

---
 wrapper/target.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/wrapper/target.cpp b/wrapper/target.cpp
index 46cc74d..ff7f99b 100644
--- a/wrapper/target.cpp
+++ b/wrapper/target.cpp
@@ -886,6 +886,8 @@ bool Target::setup() {
       if (wliblto == -1)
         fargs.push_back("-Wno-liblto");
     }
+    if (getenv("OSXCROSS_ENABLE_WERROR_IMPLICIT_FUNCTION_DECLARATION"))
+      fargs.push_back("-Werror=implicit-function-declaration");
   } else if (isGCC()) {
     if (args.empty() || (args.size() == 1 && args[0] == "-v")) {
       //