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