stop linking against libSM and libICE

stepmania/autoconf/m4/opengl.m4

@@ -1,16 +1,31 @@
 AC_DEFUN(SM_X_WITH_OPENGL,
 [
     AC_PATH_X
-    AC_PATH_XTRA
     
-    # See if we can compile X applications without using X_CFLAGS.
-    AC_MSG_CHECKING(if $X_CFLAGS is really necessary)
-    AC_TRY_COMPILE( [#include <X11/Xos.h>], [],
-	[X_CFLAGS=
-	AC_MSG_RESULT(no)],
-	[AC_MSG_RESULT(yes)])
+    XCFLAGS=
+    XLIBS=
 
-    XLIBS="$X_LIBS $X_EXTRA_LIBS $X_PRE_LIBS -lX11"
+    if test "$no_x" != "yes"; then
+	if test -n "$x_includes"; then
+	    XCFLAGS="-I$x_includes"
+	fi
+
+	if test -n "$x_libraries"; then
+	    XLIBS="-L$x_libraries -lX11"
+	fi
+
+	if test -n "$x_includes"; then
+	    # See if we can compile X applications without using $XCFLAGS.
+	    AC_MSG_CHECKING(if $XCFLAGS is really necessary)
+	    AC_TRY_COMPILE( [#include <X11/Xos.h>], [],
+		[XCFLAGS=
+		AC_MSG_RESULT(no)],
+		[AC_MSG_RESULT(yes)])
+	fi
+    fi
+
+    AC_SUBST(XCFLAGS)
+    AC_SUBST(XLIBS)
 
     # Check for libXtst.
     AC_CHECK_LIB(Xtst, XTestQueryExtension, 

stepmania/src/Makefile.am

@@ -13,7 +13,7 @@ AM_CFLAGS =
 # generates enormous output.
 AM_CXXFLAGS += -finline-limit=300
 
-AM_CXXFLAGS += $(X_CFLAGS)
+AM_CXXFLAGS += $(XCFLAGS)
 
 LDADD = $(SDL_LIBS)