Fftw fix final (#5)

* hopefully final fix for fftw file issue

* updated package version

bigmac/CMakeLists.txt

@@ -4,7 +4,7 @@ project(bigmac)
 # Set BigMac Version
 set(BIGMAC_MAJOR_VERSION 0)
 set(BIGMAC_MINOR_VERSION 0)
-set(BIGMAC_PATCH_VERSION 2)
+set(BIGMAC_PATCH_VERSION 3)
 set(BIGMAC_VERSION
   ${BIGMAC_MAJOR_VERSION}.${BIGMAC_MINOR_VERSION}.${BIGMAC_PATCH_VERSION})
 
@@ -34,9 +34,12 @@ list(TRANSFORM BIGMAC_TARGETS PREPEND "${CMAKE_BINARY_DIR}/${CMAKE_PROJECT_NAME}
 # Install CMake configuration files
 install(FILES ${BIGMAC_TARGETS} DESTINATION ${INSTALL_CMAKE_DIR})
 
-# Create dummy file so that CMake can find FFTW
-set(fftw_depends "/usr/local/lib/cmake/fftw3/FFTW3LibraryDepends.cmake")
-if(NOT EXISTS ${fftw_depends})
-  file(WRITE ${fftw_depends})
-  message(STATUS "Writing file ${fftw_depends}")
+# Add FFTW file need for CMake find_package
+set(cmake_fftw_path "/usr/local/lib/cmake/fftw3/")
+set(fftw_depends_name "FFTW3LibraryDepends.cmake")
+set(fftw_depends_file "${CMAKE_CURRENT_BINARY_DIR}/${fftw_depends_name}")
+if(NOT EXISTS ${cmake_fftw_path}${fftw_depends_name})
+  file(WRITE ${fftw_depends_file})
+  install(FILES ${fftw_depends_file} DESTINATION ${cmake_fftw_path})
+  message(STATUS "Writing ${fftw_depends_name}")
 endif()