Ticket #5389: configure_fftw3.diff

configure

@@ -2709 +2709 @@
     fi
 fi
 
+if test "$libfftw3" != "no" ; then
+    libfftw3="no"
+    if has_library libfftw3f_threads ; then
+        if has_library libfftw3_threads ; then
+            if has_header fftw3.h ; then
+                libfftw3="yes"
+            fi
+        fi
+    fi
+fi
+
 enabled x11 && has_library libX11 || disable x11
 enabled xrandr && has_header X11/extensions/Xrandr.h || disable xrandr
 enabled xv && has_library libXv || disable xv