Fixes building for RPi using --no-undefined
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diff --git a/README-raspberrypi.txt b/README-raspberrypi.txt
index 0724a8c..af1ccea 100644
--- a/README-raspberrypi.txt
+++ b/README-raspberrypi.txt
@@ -62,6 +62,12 @@ edit $SYSROOT/etc/ld.so.preload and comment out all lines in it.
sudo umount $SYSROOT/proc
sudo umount $SYSROOT/sys
sudo umount /mnt
+
+There's one more fix required, as the libdl.so symlink uses an absolute path
+which doesn't quite work in our setup.
+
+ sudo rm -rf $SYSROOT/usr/lib/arm-linux-gnueabihf/libdl.so
+ sudo ln -s ../../../lib/arm-linux-gnueabihf/libdl.so.2 $SYSROOT/usr/lib/arm-linux-gnueabihf/libdl.so
The final step is compiling SDL itself.
diff --git a/build-scripts/raspberrypi-buildbot.sh b/build-scripts/raspberrypi-buildbot.sh
index 4c746c0..bcffaf4 100755
--- a/build-scripts/raspberrypi-buildbot.sh
+++ b/build-scripts/raspberrypi-buildbot.sh
@@ -39,7 +39,7 @@ mkdir -p $BUILDBOTDIR
pushd $BUILDBOTDIR
SYSROOT="/opt/rpi-sysroot"
-export CC="/opt/rpi-tools/arm-bcm2708/gcc-linaro-arm-linux-gnueabihf-raspbian/bin/arm-linux-gnueabihf-gcc --sysroot=$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"
+export CC="/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"
# -L$SYSROOT/usr/lib/arm-linux-gnueabihf"
# !!! FIXME: shouldn't have to --disable-* things here.
../configure --with-sysroot=$SYSROOT --host=arm-raspberry-linux-gnueabihf --prefix=$PWD/rpi-sdl2-installed --disable-pulseaudio --disable-esd
diff --git a/configure b/configure
index 968edc2..be2cb61 100755
--- a/configure
+++ b/configure
@@ -22102,11 +22102,10 @@ case "$host" in
# Raspberry Pi
ARCH=linux
RPI_CFLAGS="-I/opt/vc/include -I/opt/vc/include/interface/vcos/pthreads -I/opt/vc/include/interface/vmcs_host/linux"
- RPI_LDFLAGS="-L/opt/vc/lib -lbcm_host"
CFLAGS="$CFLAGS $RPI_CFLAGS"
SDL_CFLAGS="$SDL_CFLAGS $RPI_CFLAGS"
EXTRA_CFLAGS="$EXTRA_CFLAGS $RPI_CFLAGS"
- SDL_LIBS="$SDL_LIBS $RPI_LDFLAGS"
+ EXTRA_LDFLAGS="$EXTRA_LDFLAGS -L/opt/vc/lib -lbcm_host -ldl"
if test x$enable_video = xyes; then
SOURCES="$SOURCES $srcdir/src/video/raspberry/*.c"
diff --git a/configure.in b/configure.in
index 6cde4ee..e75ede8 100644
--- a/configure.in
+++ b/configure.in
@@ -2384,11 +2384,10 @@ case "$host" in
# Raspberry Pi
ARCH=linux
RPI_CFLAGS="-I/opt/vc/include -I/opt/vc/include/interface/vcos/pthreads -I/opt/vc/include/interface/vmcs_host/linux"
- RPI_LDFLAGS="-L/opt/vc/lib -lbcm_host"
CFLAGS="$CFLAGS $RPI_CFLAGS"
SDL_CFLAGS="$SDL_CFLAGS $RPI_CFLAGS"
EXTRA_CFLAGS="$EXTRA_CFLAGS $RPI_CFLAGS"
- SDL_LIBS="$SDL_LIBS $RPI_LDFLAGS"
+ EXTRA_LDFLAGS="$EXTRA_LDFLAGS -L/opt/vc/lib -lbcm_host -ldl"
if test x$enable_video = xyes; then
SOURCES="$SOURCES $srcdir/src/video/raspberry/*.c"