Added find_program for CMAKE_Fortran_COMPILER on windows, if path is …

…not set for it

CMakeLists.txt

@@ -82,13 +82,16 @@ else()
         NO_DEFAULT_PATH
     )
 
-    # find_program(CMAKE_Fortran_COMPILER gfortran
-    #     PATHS
-    #     $ENV{PREFIX}/Library/bin
-    #     $ENV{BUILD_PREFIX}/Library/bin
-    #     $ENV{CONDA_PREFIX}/Library/bin
-    #     NO_DEFAULT_PATH
-    # )
+    # Try go find fortran compiler only, if nothing is set or only name is set
+    if ((CMAKE_Fortran_COMPILER STREQUAL "") OR (NOT CMAKE_Fortran_COMPILER IN_LIST PREFERRED_FC_COMPILERS))
+        find_program(CMAKE_Fortran_COMPILER gfortran
+            PATHS
+            $ENV{PREFIX}/Library/bin
+            $ENV{BUILD_PREFIX}/Library/bin
+            $ENV{CONDA_PREFIX}/Library/bin
+            NO_DEFAULT_PATH
+        )
+    endif()
 
     message(STATUS "CMAKE_AR: ${CMAKE_AR}")
     message(STATUS "CMAKE_RANLIB: ${CMAKE_RANLIB}")