Detect PathScale Fortran compiler tools

Include names pathf(90|95|2003) in the search for a Fortran compiler.
Also associate the names with PathScale for the vendor-specific search.

Modules/CMakeDetermineFortranCompiler.cmake

@@ -49,6 +49,7 @@ IF(NOT CMAKE_Fortran_COMPILER)
     #  gfortran: putative GNU Fortran 95+ compiler (in progress)
     #  fort77: native F77 compiler under HP-UX (and some older Crays)
     #  frt: Fujitsu F77 compiler
+    #  pathf90/pathf95/pathf2003: PathScale Fortran compiler
     #  pgf77/pgf90/pgf95: Portland Group F77/F90/F95 compilers
     #  xlf/xlf90/xlf95: IBM (AIX) F77/F90/F95 compilers
     #  lf95: Lahey-Fujitsu F95 compiler
@@ -63,14 +64,16 @@ IF(NOT CMAKE_Fortran_COMPILER)
     #  then 77 or older compilers, gnu is always last in the group,
     #  so if you paid for a compiler it is picked by default.
     SET(CMAKE_Fortran_COMPILER_LIST
-      ifort ifc efc f95 pgf95 lf95 xlf95 fort gfortran gfortran-4 g95 f90
-      pgf90 xlf90 epcf90 fort77 frt pgf77 xlf fl32 af77 g77 f77
+      ifort ifc efc f95 pathf2003 pathf95 pgf95 lf95 xlf95 fort
+      gfortran gfortran-4 g95 f90 pathf90 pgf90 xlf90 epcf90 fort77
+      frt pgf77 xlf fl32 af77 g77 f77
       )
 
     # Vendor-specific compiler names.
     SET(_Fortran_COMPILER_NAMES_GNU       gfortran gfortran-4 g95 g77)
     SET(_Fortran_COMPILER_NAMES_Intel     ifort ifc efc)
     SET(_Fortran_COMPILER_NAMES_PGI       pgf95 pgf90 pgf77)
+    SET(_Fortran_COMPILER_NAMES_PathScale pathf2003 pathf95 pathf90)
     SET(_Fortran_COMPILER_NAMES_XL        xlf)
     SET(_Fortran_COMPILER_NAMES_VisualAge xlf95 xlf90 xlf)