From 9f169d5520691cdc3dcebdcc6db0d22901e5380a Mon Sep 17 00:00:00 2001
From: Michal Sieron <msieron@internships.antmicro.com>
Date: Wed, 11 Aug 2021 14:53:43 +0200
Subject: [PATCH] Enable long long support in IO operations

---
 litex/soc/software/libc/Makefile | 1 +
 1 file changed, 1 insertion(+)

diff --git a/litex/soc/software/libc/Makefile b/litex/soc/software/libc/Makefile
index d569c6560..a9f83520a 100644
--- a/litex/soc/software/libc/Makefile
+++ b/litex/soc/software/libc/Makefile
@@ -51,6 +51,7 @@ libc.a: cross.txt $(PICOLIBC_DIRECTORY)/newlib/libc/machine/$(CPUFAMILY)/meson.b
 		-Dmultilib=false \
 		-Dpicocrt=false \
 		-Dnewlib-global-errno=true \
+		-Dio-long-long=true \
 		-Dincludedir=picolibc/$(TRIPLE)/include \
 		-Dlibdir=picolibc/$(TRIPLE)/lib \
 		--cross-file cross.txt