diff -up /home/petr/fedora/ElectricFence/devel/ElectricFence-2.2.2/efence.c\~ /home/petr/fedora/ElectricFence/devel/ElectricFence-2.2.2/efence.c
--- ElectricFence-2.2.2/efence.c~	2010-01-11 20:58:43.000000000 +0100
+++ ElectricFence-2.2.2/efence.c	2010-06-24 14:38:54.000000000 +0200
@@ -38,6 +38,7 @@
 # include <pthread.h>
 # include <semaphore.h>
 #endif
+#include <errno.h>
 
 #ifdef	malloc
 #undef	malloc
@@ -703,6 +704,27 @@ memalign(size_t alignment, size_t userSi
 	return address;
 }
 
+extern C_LINKAGE int
+posix_memalign(void **memptr, size_t alignment, size_t userSize)
+{
+	/*
+	 * Per standard, posix_memalign returns EINVAL when alignment
+	 * is not a power of two or power of sizeof(void*).  efence
+	 * doesn't check the value of alignment in memalign, but then
+	 * again, memalign was never specified very well, and on some
+	 * systems odd alignments could indeed have been allowed.
+	 */
+	if ((alignment & (alignment - 1))
+	    || alignment % sizeof (void *))
+		return EINVAL;
+
+	void *ptr = memalign (alignment, userSize);
+	if (ptr == NULL)
+		return ENOMEM;
+	*memptr = ptr;
+	return 0;
+}
+
 /*
  * Find the slot structure for a user address.
  */

Diff finished.  Thu Jun 24 14:52:24 2010