1. ia64, s390x: fftw3 version not recognized in "configure"
===========================================================

checking for libwcs... libraries /usr/lib/ia64-linux-gnu, headers /usr/include
checking for a libwcs version >= 4.4.4... 4.13.4
checking for fftw (normal-precision)... libraries /usr/lib, headers /usr/include
checking for a fftw (normal-precision) version >= 3.1.2... no
configure: WARNING: Installed normal-precision fftw (4.13.4) is too old
checking for fftw (single-precision)... libraries /usr/lib, headers /usr/include
checking for a fftw (single-precision) version >= 3.1.2... no
configure: WARNING: Installed single-precision fftw (4.13.4) is too old!
checking for ANSI C header files... (cached) yes

2. sparc: cl_image_iqe and cpl_mask tests fail
==============================================

Segmentation fault

3. armel: cpl_mask test fails
=============================

1357 of 15056 tests failed with errors like 
  maskE(13,13) = 1 <=> 0 = mask0(13,13) (23 of 21 x 18 differ(s)).

4. ia64, s390x, ppc64: cpl_fit_test fails
=========================================

15 of 1433 tests with errors like 

|  image 1 in first list(61,1, not bad, double) 
   - image 1 in second list(61,1, not bad, double)| 
 = 
  |19.9004 - 19.9004| = |1.17158e-06| <= 1.77636e-13 = tol. 
 (7680 FLOPs during this test at [MFLOP/s]: 21.943).

This error did *not* happen in the previous release (5.3.1).

