diff -durN oss-v4.2-build2011-src-gpl/setup/Linux/oss/build/osscore.c oss-v4.2-build2011-src-gpl-patched/setup/Linux/oss/build/osscore.c
--- oss-v4.2-build2011-src-gpl/setup/Linux/oss/build/osscore.c	2014-09-04 00:15:31.000000000 +0200
+++ oss-v4.2-build2011-src-gpl-patched/setup/Linux/oss/build/osscore.c	2015-04-25 23:16:19.502116503 +0200
@@ -1950,8 +1950,13 @@
     }
   else
     {
+#if LINUX_VERSION_CODE < KERNEL_VERSION(4,0,0)
       flags[1] = read_cr4 ();
       write_cr4 (flags[1] | 0x600);	/* Set OSFXSR & OSXMMEXCEPT */
+#else
+      flags[1] = __read_cr4 ();
+      __write_cr4 (flags[1] | 0x600);	/* Set OSFXSR & OSXMMEXCEPT */
+#endif
       FX_SAVE (envbuf);
       asm ("fninit");
       asm ("fwait");
@@ -1971,7 +1976,11 @@
   else
     {
       FX_RESTORE (envbuf);
+#if LINUX_VERSION_CODE < KERNEL_VERSION(4,0,0)
       write_cr4 (flags[1]);	/* Restore cr4 */
+#else
+      __write_cr4 (flags[1]);	/* Restore cr4 */
+#endif
     }
   write_cr0 (flags[0]);		/* Restore cr0 */
 }
diff -durN oss-v4.2-build2011-src-gpl/setup/setupdir.sh oss-v4.2-build2011-src-gpl-patched/setup/setupdir.sh
--- oss-v4.2-build2011-src-gpl/setup/setupdir.sh	2015-04-25 23:03:34.173985609 +0200
+++ oss-v4.2-build2011-src-gpl-patched/setup/setupdir.sh	2015-04-25 23:03:14.267351737 +0200
@@ -36,7 +36,7 @@
 # Use Linux24 as the OS name for Linux 2.4.x
 if test "$OS " = "Linux "
 then
-  if test "`uname -r|sed 's/2.//'|sed 's/\..*//'` " = "4 "
+  if test "`uname -r | cut -d '.' -f 1-2` " = "2.4 "
   then
 	OS=Linux24
   fi