ghc/mkworld/macros-ghc.jm

   1 /* ToDo: cmp -> $(CMP) */
   2
   3 #ifndef UgenTarget
   4 #define UgenTarget(dir,fileroot)                                        @@\
   5 ExtraStuffToBeVeryClean(dir/fileroot.c dir/fileroot.h dir/fileroot.hs)          @@\
   6 dir/fileroot.c dir/CAT3(U_,fileroot,.hs): dir/fileroot.ugn                                              @@\
   7         $(RM) dir/fileroot.c dir/fileroot.hs dir/CAT3(U_,fileroot,.hs) dir/fileroot.h-SAVE      @@\
   8         if [ -f dir/fileroot.h ] ; then $(MV) -f dir/fileroot.h dir/fileroot.h-SAVE ; else exit 0 ; fi @@\
   9         $(UGEN) dir/fileroot.ugn || ( $(RM) dir/fileroot.h dir/fileroot.c dir/CAT3(U_,fileroot,.hs); $(MV) -f dir/fileroot.h-SAVE dir/fileroot.h )                                              @@\
  10         if cmp -s dir/fileroot.h-SAVE dir/fileroot.h ; then \                   @@\
  11             $(MV) -f dir/fileroot.h-SAVE dir/fileroot.h ; \                     @@\
  12         else \                                                                  @@\
  13             chmod 444 dir/fileroot.h dir/fileroot.c dir/fileroot.hs ; \         @@\
  14         fi                                                                      @@\
  15         @$(RM) dir/fileroot.h-SAVE                                              @@\
  16         $(MV) -f dir/fileroot.hs dir/CAT3(U_,fileroot,.hs)                      @@\
  17                                                                                 @@\
  18 dir/fileroot.h : dir/fileroot.c                                                 @@\
  19         @: /* no-op */
  20 #endif /* UgenTarget */