ENH: add configure options for makeFFTW

makeFFTW

@@ -54,7 +54,7 @@ usage() {
     while [ "$#" -ge 1 ]; do echo "$1"; shift; done
     cat<<USAGE
 
-usage: ${0##*/} [OPTION] [fftw-VERSION]
+usage: ${0##*/} [OPTION] [fftw-VERSION] [-- configure-options]
 options:
   -gcc              Force gcc/g++ instead of the values from \$WM_CC, \$WM_CXX
   -help
@@ -75,6 +75,7 @@ while [ "$#" -gt 0 ]
 do
     case "$1" in
     '') ;;      # Ignore empty
+    --) break;; # Extra configure options (leave on $@ for later detection)
     -h | -help) usage   ;;
     -gcc)       useGcc  ;;
 
@@ -124,6 +125,18 @@ else
     echo
 
     (
+        # Configuration options:
+        unset configOpt
+
+        # Additional configure options
+        if [ "$1" = "--" ]
+        then
+            shift
+            configOpt="$configOpt $@"
+        fi
+
+        # End of configuration options
+        # ----------------------------
         buildDIR=$buildBASE/$fftwPACKAGE
 
         cd $FFTW_SOURCE_DIR || exit 1
@@ -140,6 +153,7 @@ else
             --libdir=$FFTW_ARCH_PATH/lib$WM_COMPILER_LIB_ARCH \
             --enable-shared --disable-static \
             --disable-fortran \
+            $configOpt \
         && set +x \
         && make -j $WM_NCOMPPROCS \
         && make install \