From 9dc8ebf871c600d7186a490ceb00be0e5b99f0b5 Mon Sep 17 00:00:00 2001
From: Keith Packard <keithp@keithp.com>
Date: Tue, 13 Jul 2021 11:14:35 -0700
Subject: picolibc: Disable wchar_t use in libstdc++

Picolibc doesn't support wchar_t in stdio, so disable the use of these
functions from libstdc++.

Signed-off-by: Keith Packard <keithp@keithp.com>

diff --git a/scripts/build/companion_libs/340-picolibc.sh b/scripts/build/companion_libs/340-picolibc.sh
index 525497a..cb96e71 100644
--- a/scripts/build/companion_libs/340-picolibc.sh
+++ b/scripts/build/companion_libs/340-picolibc.sh
@@ -40,6 +40,7 @@ do_cc_libstdcxx_picolibc()
         final_opts+=( "lang_list=c,c++" )
         final_opts+=( "build_step=libstdcxx" )
 	final_opts+=( "extra_config+=('--enable-stdio=stdio_pure')" )
+	final_opts+=( "extra_config+=('--disable-wchar_t')" )
 	if [ "${CT_LIBC_PICOLIBC_ENABLE_TARGET_OPTSPACE}" = "y" ]; then
 	    final_opts+=( "enable_optspace=yes" )
 	fi
-- 
cgit v0.10.2-6-g49f6