From 6872bc9ae68e02ab43b9ba4870c4a23992948b95 Mon Sep 17 00:00:00 2001
From: Andreas Baumann <mail@andreasbaumann.cc>
Date: Thu, 27 Apr 2017 21:37:54 +0200
Subject: bootstrapped from an OSX with separate ELF toolchain

---
 doc/HOWTO.OSX | 36 ++++++++++++++++++++++++++++++++++++
 1 file changed, 36 insertions(+)
 create mode 100644 doc/HOWTO.OSX

(limited to 'doc/HOWTO.OSX')

diff --git a/doc/HOWTO.OSX b/doc/HOWTO.OSX
new file mode 100644
index 0000000..326cb70
--- /dev/null
+++ b/doc/HOWTO.OSX
@@ -0,0 +1,36 @@
+Followed: http://wiki.osdev.org/How_to_develop_on_Mac_OS_X
+
+brew uninstall binutils
+lynx ftp://ftp.gnu.org/gnu/binutils/
+lynx ftp://ftp.gnu.org/gnu/gcc/
+tar zxvf binutils-2.28.tar.gz 
+tar zxvf gcc-6.3.0.tar.gz 
+cd gcc-6.3.0
+contrib/download_prerequisites 
+brew install gcc
+export CC=/usr/local/bin/gcc-6
+export CXX=/usr/local/bin/g++-6 
+export CPP=/usr/local/bin/cpp-6 
+export LD=/usr/local/bin/gcc-6 
+export PREFIX="$HOME/opt/cross"
+export TARGET=i486-elf
+export PATH="$PREFIX/bin:$PATH"
+mkdir src
+mv binutils-2.28* src
+mv gcc-6.3.0* src
+cd src/
+mkdir build-binutils
+cd build-binutils
+../binutils-2.28/configure --target=$TARGET --prefix="$PREFIX" --with-sysroot --disable-nls --disable-werror
+make
+make install
+which -- $TARGET-as || echo $TARGET-as is not in the PATH
+mkdir build-gcc
+cd build-gcc
+../gcc-6.3.0/configure --target=$TARGET --prefix="$PREFIX" --disable-nls --enable-languages=c,c++ --without-headers
+make all-gcc
+make all-target-libgcc
+make install-gcc
+make install-target-libgcc
+
+make CC=~/opt/cross/bin/i486-elf-gcc LD=~/opt/cross/bin/i486-elf-ld
-- 
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