From 4b6fee00fce4641187f8a8fde5145bf29410a631 Mon Sep 17 00:00:00 2001
From: Sam Lantinga <slouken@libsdl.org>
Date: Fri, 12 May 2006 08:31:36 +0000
Subject: [PATCH] Work in progress, dynamically loading SMPEG

---
 CHANGES      |  2 ++
 configure.in | 25 ++++++++++++++++++++++++-
 2 files changed, 26 insertions(+), 1 deletion(-)

diff --git a/CHANGES b/CHANGES
index c2941bb1..eb5c697a 100644
--- a/CHANGES
+++ b/CHANGES
@@ -1,4 +1,6 @@
 1.2.7:
+Sam Lantinga - Fri May 12 00:04:32 PDT 2006
+ * Added support for dynamically loading SMPEG library
 Sam Lantinga - Thu May 11 22:22:43 PDT 2006
  * Added support for dynamically loading Ogg Vorbis library
 Sam Lantinga - Sun Apr 30 09:01:44 PDT 2006
diff --git a/configure.in b/configure.in
index 1409ac17..70627cdb 100644
--- a/configure.in
+++ b/configure.in
@@ -264,8 +264,31 @@ if test x$enable_music_mp3 = xyes; then
     SMPEG_VERSION=0.4.3
     AM_PATH_SMPEG($SMPEG_VERSION, have_smpeg=yes, have_smpeg=no)
     if test x$have_smpeg = xyes; then
+        AC_ARG_ENABLE([music-mp3-shared],
+AC_HELP_STRING([--enable-music-mp3-shared], [dynamically load MP3 support [[default=no]]]),
+                      [], [enable_music_mp3_shared=no])
+        case "$host" in
+            *-*-darwin*)
+                smpeg_lib=''
+                ;;
+            *-*-cygwin* | *-*-mingw32*)
+                smpeg_lib='smpeg.dll'
+                ;;
+            *)
+                for path in /usr/lib /usr/local/lib; do
+                    if test x$smpeg_lib = x; then
+                        smpeg_lib=[`ls -- $path/libsmpeg*.so.[0-9] 2>/dev/null | sort -r | sed 's/.*\/\(.*\)/\1/; q'`]
+                    fi
+                done
+                ;;
+        esac
         EXTRA_CFLAGS="$EXTRA_CFLAGS -DMP3_MUSIC $SMPEG_CFLAGS"
-        EXTRA_LDFLAGS="$EXTRA_LDFLAGS $SMPEG_LIBS"
+        if test x$enable_music_mp3_shared = xyes && test x$smpeg_lib != x; then
+            echo "-- dynamic libsmpeg -> $smpeg_lib"
+            EXTRA_CFLAGS="$EXTRA_CFLAGS -DMP3_DYNAMIC=\\\"$smpeg_lib\\\""
+        else
+            EXTRA_LDFLAGS="$EXTRA_LDFLAGS $SMPEG_LIBS"
+        fi
     fi
 fi