From d2aceb1b34bd73cb1dbca4623496f2ab2cbba59b Mon Sep 17 00:00:00 2001
From: Moritz Bunkus <mo@bunkus.online>
Date: Wed, 17 Feb 2021 23:48:50 +0100
Subject: [PATCH] build system: don't mess with global flags

Otherwise parts of the files might be compiled with different
optimization settings which a) isn't allowed when using pre-copmpiled
headers and b) isn't what we want anyway (safe for the one file we
need it for).
---
 Rakefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Rakefile b/Rakefile
index 0c48d7751..56fa8f74a 100644
--- a/Rakefile
+++ b/Rakefile
@@ -341,7 +341,7 @@ cxx_compiler = lambda do |*args|
   pchu   = pchi.use_flags ? " #{pchi.use_flags}" : ""
   pchx   = pchi.extra_flags ? " #{pchi.extra_flags}" : ""
   lang   = pchi.language ? pchi.language : "c++"
-  flags  = $flags[:cxxflags]
+  flags  = $flags[:cxxflags].dup
 
   if %r{lib/fmt/}.match(source)
     flags.gsub!(%r{-Wpedantic}, '')