fftw-3: update to 3.3.7 with dstrubbe's patch

Thanks to David Strubbe for the patch to update and simplify the port.

Closes: https://trac.macports.org/ticket/55811

math/fftw-3/Portfile

@@ -6,8 +6,7 @@ PortGroup       compiler_blacklist_versions 1.0
 PortGroup       mpi 1.0
 
 name            fftw-3
-version         3.3.5
-revision        1
+version         3.3.7
 categories      math
 license         GPL-2+
 platforms       darwin
@@ -39,13 +38,8 @@ long_description \
     improvements relative to 2.x, but is not backwardly \
     compatible.
 
-checksums           rmd160  d5800f3d56b7b499265633b52a0b9850b17c148e \
-                    sha256  8ecfe1b04732ec3f5b7d279fdb8efcad536d555f9d1e8fabd027037d45ea8bcf
-
-# Don't link with "-flat_namespace -undefined suppress" on Yosemite and
-# later (#45707).
-patchfiles \
-    yosemite-libtool.patch
+checksums           rmd160  6fb90ce7190190998ff4c579934b76de270db271 \
+                    sha256  3b609b7feba5230e8f6dd8d245ddbefac324c5a6ae4186947670d9ac2cd25573
 
 variant pfft_patches description {Apply patches recommended for use as dependency of pfft port} {
     if {![mpi_variant_isset]} {
@@ -97,6 +91,10 @@ pre-configure {
             x86_64 "--enable-sse2"
         }
     }
+
+    if {![variant_isset universal]} {
+        configure.args-append $merger_configure_args(${os.arch})
+    }
 }
 
 test.run     yes
@@ -110,23 +108,11 @@ platform darwin {
   }
 }
 
-platform powerpc {
-  if {![variant_isset universal]} {
-    configure.args-append --enable-fma
-  }
-}
-
 subport fftw-3-single {
     configure.args-append --enable-float
 
     depends_lib port:fftw-3
 
-    platform powerpc {
-        if {![variant_isset universal]} {
-            configure.args-append --enable-altivec
-        }
-    }
-
     pre-configure {
         if { [avx_compiler_isset] == 1 } {
             array set merger_configure_args {
@@ -144,13 +130,14 @@ subport fftw-3-single {
             }
         }
 
+        if {![variant_isset universal]} {
+            configure.args-append $merger_configure_args(${os.arch})
+        }
+
         platform i386 {
             if {![variant_isset universal]} {
                 configure.args-delete --enable-sse2
                 configure.args-append --enable-sse
-                if { [avx_compiler_isset] == 1 } {
-                    configure.args-append --enable-avx
-                }
             }
         }
     }