From f749d8cec803b7a069e0ae98b95a423c2b34b8b6 Mon Sep 17 00:00:00 2001
From: Reiner Herrmann <reiner@reiner-h.de>
Date: Sun, 31 Jan 2016 20:34:51 +0100
Subject: Support building for different architectures

Usage:
$ ARCH=i386 ./debootstrap.sh
---
 build.sh | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

(limited to 'build.sh')

diff --git a/build.sh b/build.sh
index f7f2df9..8074c80 100755
--- a/build.sh
+++ b/build.sh
@@ -5,6 +5,7 @@ set -x
 
 BUILDDIR=/tmp/build
 SRCDIR=$(dirname $(realpath "$0"))
+ARCH=${ARCH:-x86_64}
 
 SIZE_CFLAGS="-I/tmp/build/include -I/tmp/build/include/ncurses -Os -ffunction-sections -fdata-sections -fno-asynchronous-unwind-tables"
 SIZE_LDFLAGS="-L/tmp/build/lib -Wl,--gc-sections -Wl,--strip-all"
@@ -89,9 +90,9 @@ musl-gcc "$SRCDIR/init.c" -o "$BUILDDIR/rootfs/sbin/init" $SIZE_CFLAGS $SIZE_LDF
 echo "nod /dev/console 0600 0 0 c 5 1" > rootfs-files.txt
 pushd linux-*/
 patch -p1 < "$SRCDIR/kernel.patch"
-cp "$SRCDIR/config-kernel" .config
+cp "$SRCDIR/config-kernel-$ARCH" .config
 make oldconfig
-make -j$NPROC bzImage CC="gcc -std=gnu89"
+make -j$NPROC bzImage ARCH="$ARCH" CC="gcc -std=gnu89"
 popd
 
 
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