Moving cmake hdf5 helper to cmake directory

Src/hdf5.cmake

-# Find hdf5 libraries
-find_library(hdf5_fortran NAME libhdf5_fortran PATHS ${HDF5_LIBRARY_PATH})
-if(hdf5_fortran STREQUAL hdf5_fortran-NOTFOUND)
-    message(FATAL_ERROR "libhdf5_fortran not found")
-endif()
-
-find_library(hdf5_f90cstub NAME libhdf5_f90cstub PATHS ${HDF5_LIBRARY_PATH})
-if(hdf5_f90cstub STREQUAL hdf5_f90cstub-NOTFOUND)
-    message(FATAL_ERROR "libhdf5_f90cstub not found")
-endif()
-
-find_library(hdf5 NAME libhdf5 PATHS ${HDF5_LIBRARY_PATH})
-if(hdf5 STREQUAL hdf5-NOTFOUND)
-    message(FATAL_ERROR "libhdf5 not found")
-endif()
-
-find_library(szip NAME libszip PATHS ${HDF5_LIBRARY_PATH})
-if(szip STREQUAL szip-NOTFOUND)
-    message(FATAL_ERROR "libszip not found")
-endif()
-
-find_library(zlib NAME libzlib PATHS ${HDF5_LIBRARY_PATH})
-if(zlib STREQUAL zlib-NOTFOUND)
-    message(FATAL_ERROR "libzlib not found")
-endif()
-
-set(HDF5_LIBS libhdf5_fortran libhdf5_f90cstub libhdf5 libszip libzlib)
-
-

cmake/Findhdf5_crysfml.cmake

-if(DEFINED ENV{CRYSFML_HDF5_DIR})
- set(HDF5_HINTS_DIR "$ENV{CRYSFML_HDF5_DIR}" "$ENV{CRYSFML_HDF5_DIR}/include")
- find_path(HDF5_INCLUDE_DIR hdf5.h HINTS ${HDF5_HINTS_DIR})
-else()
- find_package(HDF5)
-endif()
\ No newline at end of file
+# Find hdf5 libraries
+find_library(hdf5_fortran NAME libhdf5_fortran PATHS ${HDF5_LIBRARY_PATH})
+if(hdf5_fortran STREQUAL hdf5_fortran-NOTFOUND)
+    message(FATAL_ERROR "libhdf5_fortran not found")
+endif()
+
+find_library(hdf5_f90cstub NAME libhdf5_f90cstub PATHS ${HDF5_LIBRARY_PATH})
+if(hdf5_f90cstub STREQUAL hdf5_f90cstub-NOTFOUND)
+    message(FATAL_ERROR "libhdf5_f90cstub not found")
+endif()
+
+find_library(hdf5 NAME libhdf5 PATHS ${HDF5_LIBRARY_PATH})
+if(hdf5 STREQUAL hdf5-NOTFOUND)
+    message(FATAL_ERROR "libhdf5 not found")
+endif()
+
+find_library(szip NAME libszip PATHS ${HDF5_LIBRARY_PATH})
+if(szip STREQUAL szip-NOTFOUND)
+    message(FATAL_ERROR "libszip not found")
+endif()
+
+find_library(zlib NAME libzlib PATHS ${HDF5_LIBRARY_PATH})
+if(zlib STREQUAL zlib-NOTFOUND)
+    message(FATAL_ERROR "libzlib not found")
+endif()
+
+set(HDF5_LIBS libhdf5_fortran libhdf5_f90cstub libhdf5 libszip libzlib)
+
+