1#!/bin/bash
2
3# This is the script buildbot.libsdl.org uses to cross-compile SDL2 from
4#  x86 Linux to Raspberry Pi.
5
6# The final tarball can be unpacked in the root directory of a RPi,
7#  so the SDL2 install lands in /usr/local. Run ldconfig, and then
8#  you should be able to build and run SDL2-based software on your
9#  Pi. Standard configure scripts should be able to find SDL and
10#  build against it, and sdl2-config should work correctly on the
11#  actual device.
12
13TARBALL="$1"
14if [ -z $1 ]; then
15    TARBALL=sdl-raspberrypi.tar.xz
16fi
17
18OSTYPE=`uname -s`
19if [ "$OSTYPE" != "Linux" ]; then
20    # !!! FIXME
21    echo "This only works on x86 or x64-64 Linux at the moment." 1>&2
22    exit 1
23fi
24
25if [ "x$MAKE" == "x" ]; then
26    NCPU=`cat /proc/cpuinfo |grep vendor_id |wc -l`
27    let NCPU=$NCPU+1
28    MAKE="make -j$NCPU"
29fi
30
31BUILDBOTDIR="buildbot"
32PARENTDIR="$PWD"
33
34set -e
35set -x
36rm -f $TARBALL
37rm -rf $BUILDBOTDIR
38mkdir -p $BUILDBOTDIR
39pushd $BUILDBOTDIR
40
41SYSROOT="/opt/rpi-sysroot"
42export CC="ccache /opt/rpi-tools/arm-bcm2708/gcc-linaro-arm-linux-gnueabihf-raspbian/bin/arm-linux-gnueabihf-gcc --sysroot=$SYSROOT -I$SYSROOT/opt/vc/include -I$SYSROOT/usr/include -I$SYSROOT/opt/vc/include/interface/vcos/pthreads -I$SYSROOT/opt/vc/include/interface/vmcs_host/linux -L$SYSROOT/opt/vc/lib"
43# -L$SYSROOT/usr/lib/arm-linux-gnueabihf"
44# !!! FIXME: shouldn't have to --disable-* things here.
45../configure --with-sysroot=$SYSROOT --host=arm-raspberry-linux-gnueabihf --prefix=$PWD/rpi-sdl2-installed --disable-pulseaudio --disable-esd --disable-video-wayland
46$MAKE
47$MAKE install
48# Fix up a few things to a real install path on a real Raspberry Pi...
49perl -w -pi -e "s#$PWD/rpi-sdl2-installed#/usr/local#g;" ./rpi-sdl2-installed/lib/libSDL2.la ./rpi-sdl2-installed/lib/pkgconfig/sdl2.pc ./rpi-sdl2-installed/bin/sdl2-config
50mkdir -p ./usr
51mv ./rpi-sdl2-installed ./usr/local
52tar -cJvvf $TARBALL usr
53popd
54
55set +x
56echo "All done. Final installable is in $TARBALL ...";
57
58
59