Someone

diff -r af8717c6d001 autoconf/m4/bzip.m4
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/autoconf/m4/bzip.m4	Sun Apr 17 03:03:44 2011 +0000
@@ -0,0 +1,27 @@
+AC_DEFUN([SM_BZIP],
+[
+        AC_REQUIRE([SM_STATIC])
+        AC_CHECK_LIB(bz2, BZ2_bzCompressInit, have_bzip=yes, have_bzip=no)
+        AC_CHECK_HEADER(bzlib.h, have_bzip_header=yes, have_bzip_header=no)
+        AC_ARG_WITH(static-bzip, AS_HELP_STRING([--with-static-bzip],[Statically link bzip]), with_static_bzip=$withval, with_static_bzip=no)
+
+        if test "$with_static_bzip" = "yes"; then
+                LIB_PRE=$START_STATIC
+                LIB_POST=$END_STATIC
+        fi
+
+        if test "$have_bzip_header" = "no"; then
+                have_bzip=no
+        fi
+
+        if test "$have_bzip" = "no"; then
+                echo "*** bzip is required to build StepMania; please make sure"
+                echo "*** that bzip is installed to continue the installation process."
+                exit 0;
+        fi
+
+        LIBS="$LIBS $LIB_PRE -lbz2 $LIB_POST"
+
+        LIB_PRE=
+        LIB_POST=
+])
diff -r af8717c6d001 configure.ac
--- a/configure.ac	Sat Apr 16 22:03:28 2011 -0500
+++ b/configure.ac	Sun Apr 17 03:03:44 2011 +0000
@@ -197,6 +197,7 @@
 AM_CONDITIONAL(WITHOUT_NETWORKING, test "$with_network" = "no")
 
 SM_ZLIB
+SM_BZIP
 SM_AUDIO
 SM_VIDEO
 SM_TLS