Date: Sun, 29 Feb 2004 15:14:22 +0200 From: Martin_Storsj Subject: Dynamic loading of ALSA I recently discovered that SDL can dynamically load ESD and aRts, and made a patch which adds this same functionality to ALSA. The update for configure.in isn't too good (it should e.g. look for libasound.so in other directories than /usr/lib), because I'm not too good at shellscripting and autoconf. The reason for using dlfcn.h and dlopen instead of SDL_LoadLibrary and SDL_LoadFunction is that libasound uses versioned symbols, and it is necessary to load the correct version using dlvsym. This isn't probably any real portability issue, because ALSA is linux-only.

#!/bin/sh
#
# libtool assumes that the compiler can handle the -fPIC flag
# This isn't always true (for example, nasm can't handle it)
command=""
while [ $# -gt 0 ]; do
    case "$1" in
        -?PIC)
            # Ignore -fPIC and -DPIC options
            ;;
        *)
            command="$command $1"
            ;;
    esac
    shift
done
echo $command
exec $command