From 08688304c259fb3282b3de2c9fcfe8d315076fdd Mon Sep 17 00:00:00 2001
From: Andreas Baumann <mail@andreasbaumann.cc>
Date: Fri, 14 Jul 2017 17:09:22 +0200
Subject: tested cross-compilation also with clang

---
 README.CrossCompiling | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)

diff --git a/README.CrossCompiling b/README.CrossCompiling
index f3f195d..ce6da70 100644
--- a/README.CrossCompiling
+++ b/README.CrossCompiling
@@ -143,6 +143,29 @@ Compile abaos and libc tests with:
 setenv PATH "${PATH}:$HOME/cross-compilers"
 make clean all CC=i486-unknown-linux-gnu-pcc LD=i486-unknown-linux-gnu-ld
 
+clang
+-----
+
+Clang is easy, usually it already supports common targets. Just
+for the kernel we need a i486 linker from binutils:
+
+mkdir -p $HOME/cross-compilers/pcc
+cd $HOME/cross-compilers/pcc
+wget https://ftp.gnu.org/gnu/binutils/binutils-2.28.tar.gz
+tar xf binutils-2.28.tar.gz
+mkdir binutils-build
+cd binutils-build
+../binutils-2.28/configure --target=i486-unknown-linux-gnu --prefix=$HOME/cross-compilers --disable-nls -v
+make all
+make check
+make install
+cd ..
+
+Compile abaos and libc tests with:
+
+setenv PATH "${PATH}:$HOME/cross-compilers"
+make clean all run-qemu CC='clang -target i386-pc-none-abi' LD=i486-unknown-linux-gnu-ld
+
 Links
 -----
 
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