libiberty/vmsbuild.com

   1 $! libiberty/vmsbuild.com -- build liberty.olb for VMS host, VMS target
   2 $!
   3 $ CC    = "gcc /noVerbose/Debug/Incl=([],[-.include])"
   4 $ LIBR  = "library /Obj"
   5 $ LINK  = "link"
   6 $ DELETE= "delete /noConfirm"
   7 $ SEARCH= "search /Exact"
   8 $ ECHO  = "write sys$output"
   9 $ ABORT = "exit %x002C"
  10 $!
  11 $ LIB_NAME = "liberty.olb"      !this is what we're going to construct
  12 $ WORK_LIB = "new-lib.olb"      !used to guard against an incomplete build
  13 $
  14 $! manually copied from Makefile.in
  15 $ REQUIRED_OFILES = "argv.o basename.o choose-temp.o concat.o cplus-dem.o "-
  16         + "fdmatch.o fnmatch.o getopt.o getopt1.o getruntime.o hex.o "-
  17         + "floatformat.o objalloc.o obstack.o spaces.o strerror.o strsignal.o "-
  18         + "xatexit.o xexit.o xmalloc.o xmemdup.o xstrdup.o xstrerror.o"
  19 $! anything not caught by link+search of dummy.* should be added here
  20 $ EXTRA_OFILES = ""
  21 $!
  22 $! move to the directory which contains this command procedure
  23 $ old_dir = f$environ("DEFAULT")
  24 $ new_dir = f$parse("_._;",f$environ("PROCEDURE")) - "_._;"
  25 $ set default 'new_dir'
  26 $
  27 $ ECHO "Starting libiberty build..."
  28 $ create config.h
  29 /* libiberty config.h for VMS */
  30 #define NEED_sys_siglist
  31 #define NEED_strsignal
  32 #define NEED_psignal
  33 #define NEED_basename
  34 $ LIBR 'WORK_LIB' /Create
  35 $
  36 $! first pass: compile "required" modules
  37 $ ofiles = REQUIRED_OFILES + " " + EXTRA_OFILES
  38 $ pass = 1
  39 $ gosub do_ofiles
  40 $
  41 $! second pass: process dummy.c, using the first pass' results
  42 $ ECHO " now checking run-time library for missing functionality"
  43 $ if f$search("dummy.obj").nes."" then  DELETE dummy.obj;*
  44 $ define/noLog sys$error _NL:   !can't use /User_Mode here due to gcc
  45 $ define/noLog sys$output _NL:  ! driver's use of multiple image activation
  46 $ on error then continue
  47 $ 'CC' dummy.c
  48 $ deassign sys$error   !restore, more or less
  49 $ deassign sys$output
  50 $ if f$search("dummy.obj").eqs."" then  goto pass2_failure1
  51 $! link dummy.obj, capturing full linker feedback in dummy.map
  52 $ oldmsg = f$environ("MESSAGE")
  53 $ set message /Facility/Severity/Identification/Text
  54 $ define/User sys$output _NL:
  55 $ define/User sys$error _NL:
  56 $ LINK/Map=dummy.map/noExe dummy.obj,'WORK_LIB'/Libr,-
  57         gnu_cc:[000000]gcclib.olb/Libr,sys$library:vaxcrtl.olb/Libr
  58 $ set message 'oldmsg'
  59 $ if f$search("dummy.map").eqs."" then  goto pass2_failure2
  60 $ DELETE dummy.obj;*
  61 $ SEARCH dummy.map "%LINK-I-UDFSYM" /Output=dummy.list
  62 $ DELETE dummy.map;*
  63 $ ECHO " check completed"
  64 $! we now have a file with one entry per line of unresolvable symbols
  65 $ ofiles = ""
  66 $ if f$trnlnm("IFILE$").nes."" then  close/noLog ifile$
  67 $       open/Read ifile$ dummy.list
  68 $iloop: read/End=idone ifile$ iline
  69 $       iline = f$edit(iline,"COMPRESS,TRIM,LOWERCASE")
  70 $       ofiles = ofiles + " " + f$element(1," ",iline) + ".o"
  71 $       goto iloop
  72 $idone: close ifile$
  73 $ DELETE dummy.list;*
  74 $ on error then ABORT
  75 $
  76 $! third pass: compile "missing" modules collected in pass 2
  77 $ pass = 3
  78 $ gosub do_ofiles
  79 $
  80 $! finish up
  81 $ LIBR 'WORK_LIB' /Compress /Output='LIB_NAME'  !new-lib.olb -> liberty.olb
  82 $ DELETE 'WORK_LIB';*
  83 $
  84 $! all done
  85 $ ECHO "Completed libiberty build."
  86 $ type sys$input:
  87
  88   You many wish to do
  89   $ COPY LIBERTY.OLB GNU_CC:[000000]
  90   so that this run-time library resides in the same location as gcc's
  91   support library.  When building gas, be sure to leave the original
  92   copy of liberty.olb here so that gas's build procedure can find it.
  93
  94 $ set default 'old_dir'
  95 $ exit
  96 $
  97 $!
  98 $! compile each element of the space-delimited list 'ofiles'
  99 $!
 100 $do_ofiles:
 101 $ ofiles = f$edit(ofiles,"COMPRESS,TRIM")
 102 $ i = 0
 103 $oloop:
 104 $ f = f$element(i," ",ofiles)
 105 $ if f.eqs." " then  goto odone
 106 $ f = f - ".o"  !strip dummy suffix
 107 $ ECHO "  ''f'"
 108 $ skip_f = 0
 109 $ if pass.eq.3 .and. f$search("''f'.c").eqs."" then  gosub chk_deffunc
 110 $ if .not.skip_f
 111 $ then
 112 $   'CC' 'f'.c
 113 $   LIBR 'WORK_LIB' 'f'.obj /Insert
 114 $   DELETE 'f'.obj;*
 115 $ endif
 116 $ i = i + 1
 117 $ goto oloop
 118 $odone:
 119 $ return
 120 $
 121 $!
 122 $! check functions.def for a DEFFUNC() entry corresponding to missing file 'f'.c
 123 $!
 124 $chk_deffunc:
 125 $ define/User sys$output _NL:
 126 $ define/User sys$error _NL:
 127 $ SEARCH functions.def "DEFFUNC","''f'" /Match=AND
 128 $ if (($status.and.%x7FFFFFFF) .eq. 1)
 129 $ then
 130 $   skip_f = 1
 131 $   open/Append config_h config.h
 132 $   write config_h "#define NEED_''f'"
 133 $   close config_h
 134 $ endif
 135 $ return
 136 $
 137 $!
 138 $pass2_failure1:
 139 $! if we reach here, dummy.c failed to compile and we're really stuck
 140 $ type sys$input:
 141
 142   Cannot compile the library contents checker (dummy.c + functions.def),
 143   so cannot continue!
 144
 145 $! attempt the compile again, without suppressing diagnostic messages this time
 146 $ on error then ABORT +0*f$verify(v)
 147 $ v = f$verify(1)
 148 $ 'CC' dummy.c
 149 $ ABORT +0*f$verify(v)  !'f$verify(0)'
 150 $!
 151 $pass2_failure2:
 152 $! should never reach here..
 153 $ type sys$input:
 154
 155   Cannot link the library contents checker (dummy.obj), so cannot continue!
 156
 157 $! attempt the link again, without suppressing diagnostic messages this time
 158 $ on error then ABORT +0*f$verify(v)
 159 $ v = f$verify(1)
 160 $ LINK/Map=dummy.map/noExe dummy.obj,'WORK_LIB'/Libr,-
 161         gnu_cc:[000000]gcclib.olb/Libr,sys$library:vaxcrtl.olb/Libr
 162 $ ABORT +0*f$verify(v)  !'f$verify(0)'
 163 $
 164 $! not reached
 165 $ exit