fftw fix attempt

Author: mrodrig6

toolchain/dependencies/CMakeLists.txt

@@ -32,19 +32,13 @@ if (MFC_FFTW)
         add_custom_target(fftw)
     else()
         if (NOT CMAKE_Fortran_COMPILER_ID STREQUAL "Cray")
-            ExternalProject_Add(fftw
-                URL        "http://www.fftw.org/fftw-3.3.10.tar.gz"
-                CMAKE_ARGS -DBUILD_TESTS=OFF
-                           -DBUILD_SHARED_LIBS=OFF
-                           "-DCMAKE_INSTALL_PREFIX=${CMAKE_INSTALL_PREFIX}"
-		PATCH_COMMAND ${CMAKE_COMMAND} -E echo "Patching FFTW for CMake 4.0 compatibility" &&
-              		      ${CMAKE_COMMAND} -E copy CMakeLists.txt CMakeLists.txt.bak &&
-              		      ${CMAKE_COMMAND} -E echo "cmake_minimum_required(VERSION 3.5...4.0)" > tmpfile &&
-              		      ${CMAKE_COMMAND} -E echo "cmake_policy(VERSION 3.5)" >> tmpfile &&
-                  	      ${CMAKE_COMMAND} -E cat CMakeLists.txt.bak >> tmpfile &&
-              		      ${CMAKE_COMMAND} -E copy tmpfile CMakeLists.txt &&
-              		      ${CMAKE_COMMAND} -E remove CMakeLists.txt.bak tmpfile
-            )
+	    ExternalProject_Add(fftw
+	        URL "http://www.fftw.org/fftw-3.3.10.tar.gz"
+  		CONFIGURE_COMMAND ./configure --prefix=${CMAKE_INSTALL_PREFIX} --enable-shared=no
+	        BUILD_COMMAND make
+ 		INSTALL_COMMAND make install
+	        BUILD_IN_SOURCE 1
+	    )
         else()
             message(WARNING "The Fortran compiler vendor is Cray so FFTW3 will not be built. We will use cray-fftw instead.")
             add_custom_target(fftw)