Removed accidentally copied/pasted script for ALSA detection

It's only a warning if dynamic loading code isn't possible.

--HG--
extra : convert_revision : svn%3Ac70aab31-4412-0410-b14c-859654838e24/trunk%401471

configure.in

@@ -324,7 +324,7 @@ AC_HELP_STRING([--enable-alsa-shared], [dynamically load ALSA audio support [def
             BUILD_CFLAGS="$BUILD_CFLAGS $ALSA_CFLAGS"
             if test x$have_loadso != xyes && \
                test x$enable_alsa_shared = xyes; then
-                AC_MSG_ERROR([You must have SDL_LoadObject() support])
+                AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic ALSA loading])
             fi
             if test x$have_loadso = xyes && \
                test x$enable_alsa_shared = xyes && test x$alsa_lib != x; then
@@ -335,42 +335,6 @@ AC_HELP_STRING([--enable-alsa-shared], [dynamically load ALSA audio support [def
             have_audio=yes
         fi
     fi
-        if test x$have_alsa = xyes; then
-            AC_ARG_ENABLE(alsa-shared,
-[  --enable-alsa-shared     dynamically load ALSA audio support [default=yes]],
-                          , enable_alsa_shared=yes)
-            if test "x`echo $ALSA_LIBS | grep -- -L`" = "x"; then
-                if test "x`ls /lib/libasound.so.* 2> /dev/null`" != "x"; then
-                    ALSA_LIBS="-L/lib $ALSA_LIBS"
-                elif test "x`ls /usr/lib/libasound.so.* 2> /dev/null`" != "x"; then
-                    ALSA_LIBS="-L/usr/lib $ALSA_LIBS"
-                elif test "x`ls /usr/local/lib/libasound.so.* 2> /dev/null`" != "x"; then
-                    ALSA_LIBS="-L/usr/local/lib $ALSA_LIBS"
-                fi
-            fi
-            alsa_lib_spec=`echo $ALSA_LIBS | sed 's/.*-L\([[^ ]]*\).*/\1\/libasound.so.*/'`
-            alsa_lib=`ls $alsa_lib_spec | sed 's/.*\/\(.*\)/\1/; q'`
-            echo "-- $alsa_lib_spec -> $alsa_lib"
-
-            if test x$have_loadso != xyes && \
-               test x$enable_alsa_shared = xyes; then
-                AC_MSG_ERROR([You must have SDL_LoadObject() support])
-            fi
-            if test x$have_loadso = xyes && \
-               test x$enable_alsa_shared = xyes && test x$alsa_lib != x; then
-                CFLAGS="$CFLAGS -DALSA_SUPPORT -DALSA_DYNAMIC=\$(alsa_lib) $ALSA_CFLAGS"
-                AC_SUBST(alsa_lib)
-
-                use_dlvsym=no
-                AC_CHECK_LIB(dl, dlvsym, [use_dlvsym=yes])
-                if test x$use_dlvsym = xyes; then
-                    CFLAGS="$CFLAGS -DUSE_DLVSYM"
-                fi
-            else
-                CFLAGS="$CFLAGS -DALSA_SUPPORT $ALSA_CFLAGS"
-                SYSTEM_LIBS="$SYSTEM_LIBS $ALSA_LIBS"
-            fi
-        fi
 }
 
 dnl Check whether we want to use IRIX 6.5+ native audio or not
@@ -450,18 +414,20 @@ AC_HELP_STRING([--enable-esd-shared], [dynamically load ESD audio support [defau
             esd_lib_spec=`echo $ESD_LIBS | sed 's/.*-L\([[^ ]]*\).*/\1\/libesd.so.*/'`
             esd_lib=`ls $esd_lib_spec | sed 's/.*\/\(.*\)/\1/; q'`
             echo "-- $esd_lib_spec -> $esd_lib"
+
+            AC_DEFINE(SDL_AUDIO_DRIVER_ESD)
+            SOURCES="$SOURCES $srcdir/src/audio/esd/*.c"
+            BUILD_CFLAGS="$BUILD_CFLAGS $ESD_CFLAGS"
             if test x$have_loadso != xyes && \
                test x$enable_esd_shared = xyes; then
-                AC_MSG_ERROR([You must have SDL_LoadObject() support])
+                AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic ESD loading])
             fi
             if test x$have_loadso = xyes && \
                test x$enable_esd_shared = xyes && test x$esd_lib != x; then
                 AC_DEFINE_UNQUOTED(SDL_AUDIO_DRIVER_ESD_DYNAMIC, "$esd_lib")
+            else
+                BUILD_LDFLAGS="$BUILD_LDFLAGS $ESD_LIBS"
             fi
-            AC_DEFINE(SDL_AUDIO_DRIVER_ESD)
-            SOURCES="$SOURCES $srcdir/src/audio/esd/*.c"
-            BUILD_CFLAGS="$BUILD_CFLAGS $ESD_CFLAGS"
-            BUILD_LDFLAGS="$BUILD_LDFLAGS $ESD_LIBS"
             have_audio=yes
         fi
     fi
@@ -500,18 +466,20 @@ AC_HELP_STRING([--enable-arts-shared], [dynamically load aRts audio support [def
                 arts_lib_spec="$ARTS_PREFIX/lib/libartsc.so.*"
                 arts_lib=`ls $arts_lib_spec | sed 's/.*\/\(.*\)/\1/; q'`
                 echo "-- $arts_lib_spec -> $arts_lib"
+
+                AC_DEFINE(SDL_AUDIO_DRIVER_ARTS)
+                SOURCES="$SOURCES $srcdir/src/audio/arts/*.c"
+                BUILD_CFLAGS="$BUILD_CFLAGS $ARTS_CFLAGS"
                 if test x$have_loadso != xyes && \
                    test x$enable_arts_shared = xyes; then
-                    AC_MSG_ERROR([You must have SDL_LoadObject() support])
+                    AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic ARTS loading])
                 fi
                 if test x$have_loadso = xyes && \
                    test x$enable_arts_shared = xyes && test x$arts_lib != x; then
                     AC_DEFINE_UNQUOTED(SDL_AUDIO_DRIVER_ARTS_DYNAMIC, "$arts_lib")
+                else
+                    BUILD_LDFLAGS="$BUILD_LDFLAGS $ARTS_LIBS"
                 fi
-                AC_DEFINE(SDL_AUDIO_DRIVER_ARTS)
-                SOURCES="$SOURCES $srcdir/src/audio/arts/*.c"
-                BUILD_CFLAGS="$BUILD_CFLAGS $ARTS_CFLAGS"
-                BUILD_LDFLAGS="$BUILD_LDFLAGS $ARTS_LIBS"
                 have_audio=yes
             fi
         fi
@@ -797,7 +765,7 @@ AC_HELP_STRING([--enable-x11-shared], [dynamically load X11 support [default=yes
             fi
             if test x$have_loadso != xyes && \
                test x$enable_x11_shared = xyes; then
-                AC_MSG_ERROR([You must have SDL_LoadObject() support])
+                AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic X11 loading])
             fi
 
             if test x$have_loadso = xyes && \