Annotation of GNUtools/cc/make-cc1.com, revision 1.1

1.1     ! root        1: $! Set the def dir to proper place for use in batch. Works for interactive too.
        !             2: $flnm = f$enviroment("PROCEDURE")     ! get current procedure name
        !             3: $set default 'f$parse(flnm,,,"DEVICE")''f$parse(flnm,,,"DIRECTORY")'
        !             4: $!
        !             5: $ v=f$verify(0)
        !             6: $set symbol/scope=(nolocal,noglobal)
        !             7: $!
        !             8: $! CAUTION: If you want to link gcc-cc1 to the sharable image library
        !             9: $! VAXCRTL, see the notes in gcc.texinfo (or INSTALL) first.
        !            10: $!
        !            11: $!     Build the GNU "C" compiler on VMS
        !            12: $!
        !            13: $!  Note:  to build with DEC's VAX C compiler, uncomment the 2nd CC, CFLAGS,
        !            14: $!        and LIBS alternatives, and also execute the following command:
        !            15: $!     DEFINE SYS SYS$LIBRARY:
        !            16: $!        After a successful build, restore those items and rebuild with gcc.
        !            17: $
        !            18: $!     C compiler
        !            19: $!
        !            20: $ CC   :=      gcc
        !            21: $! CC  :=      cc      !uncomment for VAXC
        !            22: $ BISON        :=      bison
        !            23: $ RENAME       :=      rename/new_vers
        !            24: $ LINK :=      link
        !            25: $ EDIT :=      edit
        !            26: $!
        !            27: $!     Compiler options
        !            28: $!
        !            29: $ CFLAGS =     "/debug/cc1_options=""-mpcc-alignment""/incl=([],[.config.])"
        !            30: $! CFLAGS =    "/noopt/incl=([],[.config])"
        !            31: $!
        !            32: $!     Link options
        !            33: $!
        !            34: $ LDFLAGS :=   /nomap
        !            35: $!
        !            36: $!     Link libraries
        !            37: $!
        !            38: $ LIBS :=      gnu_cc:[000000]gcclib.olb/libr,sys$library:vaxcrtl.olb/libr
        !            39: $! LIBS :=     alloca.obj,sys$library:vaxcrtl.olb/libr
        !            40: $!
        !            41: $!
        !            42: $!  First we figure out what needs to be done.  This is sort of like a limited
        !            43: $! make facility - the command line options specify exactly what components
        !            44: $! we want to build.  The following options are understood:
        !            45: $!
        !            46: $!     LINK:   Assume that the object modules for the selected compiler(s)
        !            47: $!             have already been compiled, perform link phase only.
        !            48: $!
        !            49: $!     CC1:    Compile and link "C" compiler.
        !            50: $!
        !            51: $!     CC1PLUS:Compile and link "C++" compiler.
        !            52: $!
        !            53: $!     CC1OBJ: Compile and link objective C compiler.
        !            54: $!
        !            55: $!     ALL:    Compile and link all of the CC1 passes.
        !            56: $!
        !            57: $!     INDEPENDENT:
        !            58: $!             Compile language independent source modules. (On by default).
        !            59: $!
        !            60: $!     BC:
        !            61: $!             Compile byte compiler source modules. (On by default).
        !            62: $!
        !            63: $!     DEBUG:  Link images with /debug.
        !            64: $!
        !            65: $! If you want to list more than one option, you should use a spaces to
        !            66: $! separate them.
        !            67: $!
        !            68: $!     Any one of the above options can be prefaced with a "NO".  For example,
        !            69: $! if you had already built GCC, and you wanted to build G++, you could use the
        !            70: $! "CC1PLUS NOINDEPENDENT" options, which would only compile the C++ language
        !            71: $! specific source files, and then link the C++ compiler.
        !            72: $!
        !            73: $! If you do not specify which compiler you want to build, it is assumed that
        !            74: $! you want to build GNU-C ("CC1").
        !            75: $!
        !            76: $! Now figure out what we have been requested to do.
        !            77: $p1 = p1+" "+p2+" "+p3+" "+p4+" "+p5+" "+p6+" "+p7 
        !            78: $p1 = f$edit(p1,"COMPRESS")
        !            79: $i=0
        !            80: $DO_ALL = 0
        !            81: $DO_LINK = 0
        !            82: $DO_DEBUG = 0
        !            83: $open cfile$ compilers.list
        !            84: $cinit:read cfile$ compilername/end=cinit_done
        !            85: $DO_'compilername'=0
        !            86: $goto cinit
        !            87: $cinit_done: close cfile$
        !            88: $DO_INDEPENDENT = 1
        !            89: $DO_DEFAULT = 1
        !            90: $DO_BC = 1
        !            91: $loop:
        !            92: $string = f$element(i," ",p1)
        !            93: $if string.eqs." " then goto done
        !            94: $flag = 1
        !            95: $if string.eqs."CC1PLUS" then DO_DEFAULT = 0
        !            96: $if string.eqs."CC1OBJ" then DO_DEFAULT = 0
        !            97: $if f$extract(0,2,string).nes."NO" then goto parse_option
        !            98: $  string=f$extract(2,f$length(string)-2,string)
        !            99: $  flag = 0
        !           100: $parse_option:
        !           101: $DO_'string' = flag
        !           102: $i=i+1
        !           103: $goto loop
        !           104: $!
        !           105: $done:
        !           106: $if DO_DEFAULT.eq.1 then DO_CC1 = 1
        !           107: $echo := write sys$Output
        !           108: $echo "This command file will now perform the following actions:
        !           109: $if DO_LINK.eq.1 then goto link_only
        !           110: $if DO_ALL.eq.1 then echo "   Compile all language specific object modules."
        !           111: $if DO_CC1.eq.1 then echo "   Compile C specific object modules."
        !           112: $if DO_CC1PLUS.eq.1 then echo "   Compile C++ specific object modules."
        !           113: $if DO_CC1OBJ.eq.1 then echo "   Compile obj-C specific object modules."
        !           114: $if DO_INDEPENDENT.eq.1 then echo "   Compile language independent object modules."
        !           115: $if DO_BC.eq.1 then echo "   Compile byte compiler object modules."
        !           116: $link_only:
        !           117: $if DO_CC1.eq.1 then   echo "   Link C compiler (gcc-cc1.exe)."
        !           118: $if DO_CC1PLUS.eq.1 then echo "   Link C++ compiler (gcc-cc1plus.exe)."
        !           119: $if DO_CC1OBJ.eq.1 then echo "   Link objective-C compiler (gcc-cc1obj.exe)."
        !           120: $if DO_DEBUG.eq.1 then echo  "   Link images to run under debugger."
        !           121: $!
        !           122: $! Test and see if we need these messages or not.  The -1 switch gives it away.
        !           123: $!
        !           124: $gas := $gnu_cc:[000000]gcc-as.exe
        !           125: $if f$search(gas-"$").eqs."" then  goto gas_message    !must be VAXC
        !           126: $define/user sys$error sys$scratch:gas_test.tmp
        !           127: $gas -1 nla0: -o nla0:
        !           128: $size=f$file_attributes("sys$scratch:gas_test.tmp","ALQ")
        !           129: $delete/nolog sys$scratch:gas_test.tmp;*
        !           130: $if size.eq.0 then goto no_message
        !           131: $gas_message:
        !           132: $type sys$input
        !           133: 
        !           134:        Note: GCC 2.0 treats external variables differently than GCC 1.40 does.
        !           135: Before you use GCC 2.0, you should obtain a version of the assembler which 
        !           136: contains the patches to work with GCC 2.0 (GCC-AS 1.38 does not contain 
        !           137: these patches - whatever comes after this probably will).  The assembler
        !           138: in gcc-vms-1.40.tar.Z from prep does contain the proper patches.
        !           139: 
        !           140:        If you do not update the assembler, the compiler will still work,
        !           141: but `extern const' variables will be treated as `extern'.  This will result
        !           142: in linker warning messages about mismatched psect attributes, and these
        !           143: variables will be placed in read/write storage.
        !           144: 
        !           145: $!
        !           146: $no_message:
        !           147: $!
        !           148: $!
        !           149: $ if DO_DEBUG.eq.1 then LDFLAGS :='LDFLAGS'/debug
        !           150: $!
        !           151: $if DO_LINK.eq.1 then goto compile_cc1
        !           152: $!
        !           153: $! Build alloca if necessary (in 'LIBS for use with VAXC)
        !           154: $!
        !           155: $ if f$locate("alloca.obj",f$edit(LIBS,"lowercase")).ge.f$length(LIBS) then -
        !           156:        goto skip_alloca
        !           157: $ if f$search("alloca.obj").nes."" then -  !does .obj exist? is it up to date?
        !           158:     if f$cvtime(f$file_attributes("alloca.obj","RDT")).gts.-
        !           159:        f$cvtime(f$file_attributes("alloca.c","RDT")) then  goto skip_alloca
        !           160: $set verify
        !           161: $ 'CC 'CFLAGS /define="STACK_DIRECTION=(-1)" alloca.c
        !           162: $!'f$verify(0)
        !           163: $skip_alloca:
        !           164: $!
        !           165: $if DO_BC.eq.1 
        !           166: $      THEN 
        !           167: $      call compile bi_all.opt ""
        !           168: $      open ifile$ bc_all.opt
        !           169: $      read ifile$ bc_line
        !           170: $      close ifile$
        !           171: $      bc_index = 0
        !           172: $bc_loop:
        !           173: $      tfile = f$element(bc_index, " ", bc_line)
        !           174: $      if tfile.eqs." " then goto bc_done
        !           175: $      call bc_generate 'tfile' "bi_all.opt/opt,"
        !           176: $      bc_index = bc_index + 1
        !           177: $      goto bc_loop
        !           178: $bc_done:
        !           179: $      endif
        !           180: $!
        !           181: $!
        !           182: $if DO_INDEPENDENT.eq.1 
        !           183: $      THEN 
        !           184: $!
        !           185: $! First build a couple of header files from the machine description
        !           186: $! These are used by many of the source modules, so we build them now.
        !           187: $!
        !           188: $set verify
        !           189: $ 'CC 'CFLAGS rtl.C
        !           190: $ 'CC 'CFLAGS obstack.C
        !           191: $!'f$verify(0)
        !           192: $! Generate insn-attr.h
        !           193: $      call generate insn-attr.h
        !           194: $      call generate insn-flags.h
        !           195: $      call generate insn-codes.h
        !           196: $      call generate insn-config.h
        !           197: $!
        !           198: $call compile independent.opt "rtl,obstack,insn-attrtab"
        !           199: $!
        !           200: $      call generate insn-attrtab.c "rtlanal,"
        !           201: $set verify
        !           202: $ 'CC 'CFLAGS insn-attrtab.c
        !           203: $!'f$verify(0)
        !           204: $      endif
        !           205: $!
        !           206: $compile_cc1:
        !           207: $if (DO_CC1 + DO_CC1OBJ) .ne.0
        !           208: $      then
        !           209: $if (f$search("C-PARSE.Y") .eqs. "") then goto yes_yfiles
        !           210: $if (f$cvtime(f$file_attributes("C-PARSE.IN","RDT")).gts. -
        !           211:            f$cvtime(f$file_attributes("C-PARSE.Y","RDT")))  -
        !           212:                then goto yes_yfiles
        !           213: $if (f$search("OBJC-PARSE.Y") .eqs. "") then goto yes_yfiles
        !           214: $if (f$cvtime(f$file_attributes("C-PARSE.IN","RDT")).gts. -
        !           215:            f$cvtime(f$file_attributes("OBJC-PARSE.Y","RDT")))  -
        !           216:                then goto yes_yfiles
        !           217: $GOTO no_yfiles
        !           218: $yes_yfiles:
        !           219: $echo "Now processing c-parse.in to generate c-parse.y and objc-parse.y."
        !           220: $ edit/tpu/nojournal/nosection/nodisplay/command=sys$input
        !           221: !
        !           222: !     Read c-parse.in, write c-parse.y and objc-parse.y, depending on
        !           223: !     paired lines of "ifc" & "end ifc" and "ifobjc" & "end ifobjc" to
        !           224: !     control what goes into each file.  Most lines will be common to
        !           225: !     both (hence not bracketed by either control pair).  Mismatched
        !           226: !     pairs aren't detected--garbage in, garbage out...
        !           227: !
        !           228: 
        !           229:    PROCEDURE do_output()
        !           230:       IF NOT objc_only THEN POSITION(END_OF(c)); COPY_TEXT(input_line); ENDIF;
        !           231:       IF NOT c_only THEN POSITION(END_OF(objc)); COPY_TEXT(input_line); ENDIF;
        !           232:       POSITION(input_file);                     !reset
        !           233:    ENDPROCEDURE;
        !           234: 
        !           235:    input_file := CREATE_BUFFER("input", "c-parse.in");  !load data
        !           236:                 SET(NO_WRITE, input_file);
        !           237:    c          := CREATE_BUFFER("c_output");     !1st output file
        !           238:    objc       := CREATE_BUFFER("objc_output");  !2nd output file
        !           239: 
        !           240:    POSITION(BEGINNING_OF(input_file));
        !           241:    c_only     := 0;
        !           242:    objc_only  := 0;
        !           243: 
        !           244:    LOOP
        !           245:       EXITIF MARK(NONE) = END_OF(input_file);   !are we done yet?
        !           246: 
        !           247:       input_line := CURRENT_LINE;               !access current_line just once
        !           248:       CASE EDIT(input_line, TRIM_TRAILING, OFF, NOT_IN_PLACE)
        !           249:         ["ifc"]        : c_only := 1;
        !           250:         ["end ifc"]    : c_only := 0;
        !           251:         ["ifobjc"]     : objc_only := 1;
        !           252:         ["end ifobjc"] : objc_only := 0;
        !           253: !         default -- add non-control line to either or both output files
        !           254:         [INRANGE]      : do_output();          !between "end" and "if"
        !           255:         [OUTRANGE]     : do_output();          !before "end" or after "if"
        !           256:       ENDCASE;
        !           257: 
        !           258:       MOVE_VERTICAL(1);                         !go to next line
        !           259:    ENDLOOP;
        !           260: 
        !           261:    WRITE_FILE(c, "c-parse.y");
        !           262:    WRITE_FILE(objc, "objc-parse.y");
        !           263:    QUIT
        !           264: $      endif   
        !           265: $no_yfiles:
        !           266: $!
        !           267: $open cfile$ compilers.list
        !           268: $cloop:read cfile$ compilername/end=cdone
        !           269: $! language specific modules
        !           270: $!
        !           271: $if (DO_ALL + DO_'compilername').eq.0 then goto cloop
        !           272: $if DO_LINK.eq.0 then call compile 'compilername'-objs.opt "obstack"
        !           273: $!
        !           274: $! CAUTION: If you want to link gcc-cc1* to the sharable image library
        !           275: $! VAXCRTL, see the notes in gcc.texinfo (or INSTALL) first.
        !           276: $!
        !           277: $set verify
        !           278: $ link 'LDFLAGS' /exe=gcc-'compilername'  version.opt/opt, -
        !           279:          'compilername'-objs.opt/opt, independent.opt/opt, -
        !           280:          'LIBS'
        !           281: $!'f$verify(0)
        !           282: $goto cloop
        !           283: $!
        !           284: $!
        !           285: $cdone: close cfile$
        !           286: $!
        !           287: $!     Done
        !           288: $!
        !           289: $! 'f$verify(v)
        !           290: $exit
        !           291: $!
        !           292: $!  Various DCL subroutines follow...
        !           293: $!
        !           294: $!  This routine takes parameter p1 to be a linker options file with a list
        !           295: $!  of object files that are needed.  It extracts the names, and compiles
        !           296: $!  each source module, one by one.  File names that begin with an
        !           297: $!  "INSN-" are assumed to be generated by a GEN*.C program.
        !           298: $!
        !           299: $!  Parameter P2 is a list of files which will appear in the options file
        !           300: $!  that should not be compiled.  This allows us to handle special cases.
        !           301: $!
        !           302: $compile:
        !           303: $subroutine
        !           304: $on error then goto c_err
        !           305: $on control_y then goto c_err
        !           306: $open ifile$ 'p1'
        !           307: $loop: read ifile$ line/end=c_done
        !           308: $!
        !           309: $i=0
        !           310: $loop1:
        !           311: $flnm=f$element(i,",",line)
        !           312: $i=i+1
        !           313: $if flnm.eqs."" then goto loop
        !           314: $if flnm.eqs."," then goto loop
        !           315: $if f$locate(flnm,"''p2'").nes.f$length("''p2'") then goto loop1
        !           316: $!
        !           317: $if f$locate("-parse",flnm).nes.f$length(flnm)
        !           318: $      then
        !           319: $      if (f$search("''flnm'.C") .eqs. "") then goto yes_bison
        !           320: $      if (f$cvtime(f$file_attributes("''flnm'.Y","RDT")).les. -
        !           321:            f$cvtime(f$file_attributes("''flnm'.C","RDT")))  -
        !           322:                then goto no_bison
        !           323: $yes_bison:
        !           324: $set verify
        !           325: $       'BISON' /define /verbose 'flnm'.y
        !           326: $       'RENAME' 'flnm'_tab.c 'flnm'.c
        !           327: $       'RENAME' 'flnm'_tab.h 'flnm'.h
        !           328: $       if flnm.eqs."cp-parse"
        !           329: $       then            ! fgrep '#define YYEMPTY' cp-parse.c >>cp-parse.h
        !           330: $               open/append jfile$ cp-parse.h
        !           331: $               search/exact/output=jfile$ cp-parse.c "#define YYEMPTY"
        !           332: $               close jfile$
        !           333: $       endif
        !           334: $!'f$verify(0)
        !           335: $no_bison:
        !           336: $      endif
        !           337: $!
        !           338: $if f$extract(0,5,flnm).eqs."insn-" then call generate 'flnm'.c
        !           339: $!
        !           340: $set verify
        !           341: $ 'CC 'CFLAGS 'flnm'.c
        !           342: $!'f$verify(0)
        !           343: $goto loop1
        !           344: $!
        !           345: $goto loop
        !           346: $!
        !           347: $! In case of error or abort, go here (In order to close file).
        !           348: $!
        !           349: $c_err: !'f$verify(0)
        !           350: $close ifile$
        !           351: $exit %x2c
        !           352: $!
        !           353: $c_done:
        !           354: $close ifile$
        !           355: $endsubroutine
        !           356: $!
        !           357: $! This subroutine generates the insn-* files.  The first argument is the
        !           358: $! name of the insn-* file to generate.  The second argument contains a 
        !           359: $! list of any other object modules which must be linked to the gen*.c
        !           360: $! program.
        !           361: $!
        !           362: $generate:
        !           363: $subroutine
        !           364: $if f$extract(0,5,p1).nes."INSN-"
        !           365: $      then
        !           366: $      write sys$error "Unknown file passed to generate."
        !           367: $      exit 1
        !           368: $      endif
        !           369: $root1=f$parse(f$extract(5,255,p1),,,"NAME")
        !           370: $      set verify
        !           371: $ 'CC 'CFLAGS GEN'root1'.C
        !           372: $ link 'LDFLAGS' GEN'root1',rtl,obstack,'p2' -
        !           373:          'LIBS'
        !           374: $!     'f$verify(0)
        !           375: $!
        !           376: $set verify
        !           377: $      assign/user 'p1' sys$output:
        !           378: $      mcr sys$disk:[]GEN'root1' md
        !           379: $!'f$verify(0)
        !           380: $endsubroutine
        !           381: $!
        !           382: $! This subroutine generates the bc-* files.  The first argument is the
        !           383: $! name of the bc-* file to generate.  The second argument contains a 
        !           384: $! list of any other object modules which must be linked to the bi*.c
        !           385: $! program.
        !           386: $!
        !           387: $bc_generate:
        !           388: $subroutine
        !           389: $if f$extract(0,3,p1).nes."BC-"
        !           390: $      then
        !           391: $      write sys$error "Unknown file passed to generate."
        !           392: $      exit 1
        !           393: $      endif
        !           394: $root1=f$parse(f$extract(3,255,p1),,,"NAME")
        !           395: $      set verify
        !           396: $ 'CC 'CFLAGS BI-'root1'.C
        !           397: $ link 'LDFLAGS' BI-'root1','p2' -
        !           398:          'LIBS'
        !           399: $!     'f$verify(0)
        !           400: $!
        !           401: $set verify
        !           402: $      assign/user bytecode.def sys$input:
        !           403: $      assign/user 'p1' sys$output:
        !           404: $      mcr sys$disk:[]BI-'root1'
        !           405: $!'f$verify(0)
        !           406: $endsubroutine

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