--- /dev/null
+--- a/lib/ext2fs/ext2fs.h
++++ b/lib/ext2fs/ext2fs.h
+@@ -1212,7 +1212,26 @@
+
+ if (align == 0)
+ align = 8;
+- if (retval = posix_memalign((void **) ptr, align, size)) {
++#ifdef HAVE_POSIX_MEMALIGN
++ retval = posix_memalign((void **)ptr, align, size);
++#else
++#ifdef HAVE_MEMALIGN
++ if ((*(void **)ptr = (void *)memalign(align, size)) == NULL)
++ retval = errno;
++ else
++ retval = 0;
++#else
++#ifdef HAVE_VALLOC
++ if ((*(void **)ptr = valloc(size)) == NULL)
++ retval = errno;
++ else
++ retval = 0;
++#else
++# error "Impossible to allocate aligned memory!"
++#endif /* HAVE_VALLOC */
++#endif /* HAVE_MEMALIGN */
++#endif /* HAVE_POSIX_MEMALIGN */
++ if (retval) {
+ if (retval == ENOMEM)
+ return EXT2_ET_NO_MEMORY;
+ return retval;
+--