File stack-alignment.patch of Package libeigen3-devel

Index: eigen-eigen-ffa86ffb5570/Eigen/src/Core/util/Macros.h
===================================================================
--- eigen-eigen-ffa86ffb5570.orig/Eigen/src/Core/util/Macros.h
+++ eigen-eigen-ffa86ffb5570/Eigen/src/Core/util/Macros.h
@@ -50,7 +50,7 @@
 // Only static alignment is really problematic (relies on nonstandard compiler extensions that don't
 // work everywhere, for example don't work on GCC/ARM), try to keep heap alignment even
 // when we have to disable static alignment.
-#if defined(__GNUC__) && !(defined(__i386__) || defined(__x86_64__) || defined(__powerpc__) || defined(__ppc__) || defined(__ia64__))
+#if defined(__GNUC__) && !(defined(__i386__) || defined(__x86_64__) || defined(__powerpc64__) || defined(__ppc64__) || defined(__ia64__))
 #define EIGEN_GCC_AND_ARCH_DOESNT_WANT_STACK_ALIGNMENT 1
 #else
 #define EIGEN_GCC_AND_ARCH_DOESNT_WANT_STACK_ALIGNMENT 0