$ !
-$ ! Set up to compile GCC on VMS
+$ ! Set up to compile GCC on VMS.
+$ !
+$ ! Set the def dir to proper place for use in batch. Works for interactive too.
+$flnm = f$enviroment("PROCEDURE") ! get current procedure name
+$set default 'f$parse(flnm,,,"DEVICE")''f$parse(flnm,,,"DIRECTORY")'
+$ !
+$set symbol/scope=(nolocal,noglobal)
+$if f$trnlnm("IFILE$").nes."" then close/noLog ifile$
$ !
$ echo = "write sys$output"
$ !
+$ arch_indx = 1 + ((f$getsyi("CPU").ge.128).and.1) ! vax==1, alpha==2
+$ arch = f$element(arch_indx,"|","|vax|alpha|")
+$ !
$ if f$search("config.h") .nes. "" then delete config.h.*
-$ copy [.config]xm-vms.h []config.h
-$ echo "Linked `config.h' to `[.config]xm-vms.h'.
+$ if arch .eqs. "vax"
+$ then
+$ copy [.config.'arch']xm-vms.h []config.h
+$ echo "Linked `config.h' to `[.config.''arch']xm-vms.h'."
+$else
+$ open/write cfile []config.h
+$ write cfile "#include "+"""config/"+arch+"/xm-"+arch+".h"+"""
+$ write cfile "#include "+"""config/"+arch+"/xm-vms.h"+"""
+$ close cfile
+$ echo "Created `config.h'."
+$ endif
+$ !
+$ if f$search("tconfig.h") .nes. "" then delete tconfig.h.*
+$ create []tconfig.h
+$DECK
+/* tconfig.h == config.h :: target and host configurations are the same */
+#include "config.h"
+$EOD
+$ echo "Created `tconfig.h'.
+$ !
+$ if f$search("hconfig.h") .nes. "" then delete hconfig.h.*
+$ create []hconfig.h
+$DECK
+/* hconfig.h == config.h :: host and target configurations are the same */
+#include "config.h"
+$EOD
+$ echo "Created `hconfig.h'.
$ !
$ if f$search("tm.h") .nes. "" then delete tm.h.*
-$ copy [.config]vms.h []tm.h
-$ echo "Linked `tm.h' to `[.config]vms.h'.
$ !
-$ if f$search("md.") .nes. "" then delete md..*
-$ copy [.config]vax.md []md.
-$ echo "Linked `md' to `[.config]vax.md'.
+$ edit/tpu/nojournal/nosection/nodisplay/command=sys$input -
+ [.config.'arch']vms.h /output=[]tm.h
+$DECK
+!
+! Copy file, changing lines of the form
+! #include "vax/*"
+! or
+! #include "alpha/*"
+! into
+! #include "config-*"
+!
+ file := CREATE_BUFFER("file", GET_INFO(COMMAND_LINE, "file_name"));
+ targ := LINE_BEGIN & '#include' & SPAN(ASCII(32)+ASCII(9))
+ & '"' & ('vax' | 'alpha') & '/';
+ rang := CREATE_RANGE(BEGINNING_OF(file), END_OF(file));
+ LOOP
+ incl := SEARCH_QUIETLY(targ, FORWARD, EXACT, rang);
+ EXITIF incl = 0;
+ POSITION(BEGINNING_OF(incl));
+ ERASE(incl);
+ COPY_TEXT('#include "config-');
+ rang := CREATE_RANGE(END_OF(incl), END_OF(file));
+ ENDLOOP;
+ WRITE_FILE(file, GET_INFO(COMMAND_LINE, "output_file"));
+ QUIT
+$ EOD
+$ echo "Generated `tm.h' from `[.config.''arch']vms.h'."
+$ !
+$ !crude hack to allow compiling from [.cp] subdirectory
+$ if f$search("config-''arch'.h") .nes. "" then delete config-'arch'.h;*
+$ copy [.config.'arch']'arch'.h []config-'arch'.h
+$ echo "Linked `config-''arch'.h' to `[.config.''arch']''arch'.h' for `tm.h'."
+$ !
+$ call make_lang_incl "options.h"
+$ !
+$ call make_lang_incl "specs.h"
+$ !
+$ if arch .eqs. "vax"
+$ then
+$ if f$search("''arch'.md") .nes. "" then delete 'arch'.md;*
+$ copy [.config.'arch']'arch'.md []'arch'.md
+$ echo "Copied `''arch'.md' from `[.config.''arch']''arch'.md'."
+$ endif
$ !
$ if f$search("aux-output.c") .nes. "" then delete aux-output.c.*
-$ copy [.config]vax.c []aux-output.c
-$ echo "Linked `aux-output.c' to `[.config]vax.c'.
+$ copy [.config.'arch']'arch'.c []aux-output.c
+$ echo "Linked `aux-output.c' to `[.config.''arch']''arch'.c'.
+$ !
+$ !
+$ !
+$ ! Create the file version.opt, which helps identify the executable.
$ !
-$!
-$!
-$! Create the file version.opt, which helps identify the executable.
-$!
$search version.c version_string,"="/match=and/output=t.tmp
$open ifile$ t.tmp
$read ifile$ line
$close ifile$
-$delete/nolog t.tmp;
-$ijk=f$locate("""",line)+1
-$line=f$extract(ijk,f$length(line)-ijk,line)
-$ijk=f$locate("""",line)
-$line=f$extract(0,ijk,line)
-$ijk=f$locate("\n",line)
-$line=f$extract(0,ijk,line)
-$!
-$i=0
-$loop:
-$elm=f$element(i," ",line)
-$if elm.eqs."" then goto no_ident
-$if (elm.les."9").and.(elm.ges."0") then goto write_ident
-$i=i+1
-$goto loop
-$!
-$no_ident:
-$elm="?.??"
-$!
-$!
-$write_ident:
-$open ifile$ version.opt/write
-$write ifile$ "ident="+""""+elm+""""
+$delete t.tmp;
+$line=f$element(1,"""",line) !extract the portion between 1st & 2nd quotes
+$! Format of 'line' is "name-nn.nn.nn[.nn] [date text]" (without the quotes).
+$! We want "name-nn.nn.nn[.nn][-date]"; "-date" suffix is optional.
+$id = f$element(1,"-",line) !strip "name-" prefix
+$if id.eqs."-" then id = line !no prefix found?
+$id = f$element(0," ",id) + "-" + f$element(1," ",id) !first two tokens
+$id = id - "- " !in case 2nd token was empty
+$if f$length(id).gt.15 then id = f$extract(0,15,id) !length limitation
+$!
+$open/write ifile$ version.opt
+$write ifile$ "ident="+""""+id+""""
$close ifile$
-$pur version.opt/nolog
+$purge version.opt
+$!
+$!
+$! create linker options files that lists all of the components for all
+$! possible compilers. We do this by editing the file Makefile.in, and
+$! generating the relevant files from it.
+$!
+$!
+$! Make a copy of the makefile if the sources are on a disk that is NFS
+$! mounted on a unix machine.
+$if f$search("Makefile.in").eqs."" .and. f$search("$M$akefile.in").nes."" -
+ then copy $M$akefile.in Makefile.in
+$! This should be automated across all front-end subdirectories.
+$! For now, it's hardcoded.
+$if f$search("[.cp]Makefile.in").eqs."" .and. f$search("[.cp]$M$akefile.in").nes."" -
+ then copy [.cp]$M$akefile.in [.cp]Makefile.in
+$!
+$!
+$echo "Now processing Makefile.in to generate linker option files."
+$edit/TPU/noJournal/noSection/noDisplay/Command=sys$input: Makefile.in -
+ /Start_Position=('arch_indx') ! 1 for vax, 2 for alpha
+!!
+VARIABLE makefile_buf, opt_file_buf, complist_buf, extra_compilers; ! Globals.
+VARIABLE arch; ! String 'vax' or 'alpha', set in configure_makefile().
+
+!!
+PROCEDURE process_makefile( )
+ !
+ ! Interpret Makefile.in and subsidiary Make-lang.in templates.
+ !
+ LOCAL range1, cmark, makefilename;
+
+ makefilename := GET_INFO (COMMAND_LINE, 'FILE_NAME'); ! "Makefile.in"
+ makefile_buf := CREATE_BUFFER ("makefile", makefilename);
+ opt_file_buf := CREATE_BUFFER ("opt_file");
+ complist_buf := CREATE_BUFFER ("complist");
+ extra_compilers := CREATE_ARRAY;
+ !
+ SET (NO_WRITE, makefile_buf, ON); ! Used as workspace; don't save it.
+ SET (OUTPUT_FILE, complist_buf, "compilers.list");
+ !
+ ! Make some textual substitutions.
+ !
+ configure_makefile ();
+ !
+ ! Collect a list of supported compilers (``COMPILERS=xxx'' macro).
+ !
+ identify_compilers ();
+ !
+ ! Plus other known compilers described by Make-lang.in makefile fragments.
+ ! Add new entries as needed; args are (target name, subdirectory name).
+ !
+ additional_compiler ("cc1plus", "cp");
+ !
+ WRITE_FILE (complist_buf); ! Now save "compilers.list".
+ !
+ ! Add to this list, as required. The file "Makefile.in" is searched for
+ ! a tag that looks like "LINE_BEGIN + 'tag + (optional space) + "="".
+ ! The contents are assumed to be a list of object files, and from this
+ ! list a VMS linker options file is generated.
+ !
+ generate_option_file ("OBJS", "=", "independent.opt");
+ generate_option_file ("LIB2FUNCS", "=", "libgcc2.list");
+ generate_option_file ("CXX_LIB2FUNCS", "=", "libgcc2-cxx.list");
+ !
+ ! Now change OBJS in the Makefile, so each language specific options file
+ ! does not pick up all of the language independent files.
+ !
+ POSITION (BEGINNING_OF (makefile_buf));
+ COPY_TEXT ("OBJS="); ! New copy with empty value, seen before real OBJS.
+ SPLIT_LINE;
+ !
+ ! Lastly, process each compiler-specific object dependency list.
+ !
+ POSITION (BEGINNING_OF (complist_buf));
+ LOOP
+ cmark := MARK (NONE);
+ EXITIF (cmark = END_OF (complist_buf));
+ ! The current line contains the name of a compiler target, such as "cc1".
+ MESSAGE (CURRENT_LINE); ! Give some interactive feedback.
+ generate_option_file (CURRENT_LINE, ":", CURRENT_LINE + "-objs.opt");
+ POSITION (cmark);
+ MOVE_VERTICAL (1); ! Go to the next line.
+ ENDLOOP;
+ENDPROCEDURE; !process_makefile
+!!
+
+PROCEDURE process_objc_lib( )
+ !
+ ! Interpret objc/Makefile, after finishing the top makefile.
+ !
+ ON_ERROR
+ [TPU$_OPENIN]:
+ MESSAGE ("Cannot load objc/Makefile for ""ObjClib""; skipping it.");
+ RETURN;
+ ENDON_ERROR;
+
+ ERASE (makefile_buf); !discard top Makefile
+ POSITION (END_OF (makefile_buf));
+ READ_FILE ("[.objc]Make-lang.in"); !load objc one
+ MESSAGE ("objclib");
+ pat_replace (ASCII(9), " "); !change any <tab> to <space>
+ generate_option_file ("OBJC_O", "=", "objc-objs.opt");
+ POSITION (BEGINNING_OF (makefile_buf));
+ ! Join any continuation lines; we want the header list to be one line.
+ pat_replace ("\" & LINE_END, );
+ generate_option_file ("OBJC_H", "=", "objc-hdrs.list");
+ENDPROCEDURE; !process_objc_lib
+!!
+
+PROCEDURE configure_makefile( )
+ !
+ ! Plug in some values normally handled by `configure'. Rather than
+ ! replacing the dummy entries, insert the real entries before them.
+ !
+ IF (GET_INFO (COMMAND_LINE, 'START_RECORD') <> 2) THEN
+ arch := 'vax';
+ ELSE
+ arch := 'alpha';
+ ENDIF;
+ POSITION (BEGINNING_OF (makefile_buf));
+ COPY_TEXT ("target=" + arch + "-vms"); SPLIT_LINE;
+ COPY_TEXT ("out_file=aux-output.c"); SPLIT_LINE; ! 'arch'/'arch'.c
+ COPY_TEXT ("out_object_file=aux-output.o"); SPLIT_LINE; ! aux-output.obj
+ COPY_TEXT ("md_file=" + arch + ".md"); SPLIT_LINE; ! 'arch'/'arch'.md
+ COPY_TEXT ("tm_file=tm.h"); SPLIT_LINE; ! 'arch'/tm-vms.h
+ pat_replace ("@" &
+ SPAN("abcdefghijklmnopqrstuvwxyz_ABCDEFGHIJKLMNOPQRSTUVWXYZ#~0123456789")
+ & "@", ); ! strip `configure' dummy values
+ENDPROCEDURE; !configure_makefile
+!!
+
+PROCEDURE identify_compilers( )
+ !
+ ! Retrieve the list of supported compilers from Makefile.in, and put them
+ ! into file "compilers.list", one per line, for subsequent access from DCL.
+ !
+ LOCAL range1;
+
+ ! Strip most comments from the makefile, to speed up subsequent processing.
+ POSITION (BEGINNING_OF (makefile_buf));
+ pat_replace (LINE_BEGIN & "#" & REMAIN & LINE_END, );
+ pat_replace ("$(exeext)", );
+ pat_replace ("@all_compilers@", );
+!# ! Convert directory references to VMS syntax (actually, just strip it).
+!# pat_replace (" $(srcdir)/", " ");
+ ! Look up the ``COMPILERS=cc1 xyzzy'' Makefile macro and put
+ ! its ``cc1 xyzzy'' value into the compilers buffer.
+ POSITION (BEGINNING_OF (complist_buf));
+!#--at some point we may want to add this--
+!# recursive_fetch_tag ("CCCP", "="); ! Include the preprocessor.
+!# POSITION (END_OF (complist_buf));
+ recursive_fetch_tag ("COMPILERS", "=");
+ ! Convert all spaces into newlines, then remove any blank lines.
+ pat_replace (SPAN(" "), LINE_END);
+ pat_replace (LINE_BEGIN & LINE_END, );
+ENDPROCEDURE; !identify_compilers
+!!
+
+PROCEDURE additional_compiler( cname, subdir )
+ !
+ ! Load Make-lang.in for compiler CNAME from SUBDIR and append it to the
+ ! end of Makefile.in's buffer. Add CNAME to the "compilers.list" buffer.
+ !
+ ON_ERROR
+ ! Don't abort if user removes the supporting subdirectory for a
+ ! language she's not interested in.
+ [TPU$_OPENIN]:
+ MESSAGE ("Cannot load " + subdir + "/Make-lang.in for "
+ + '"' + cname + '"' + "; skipping it.");
+ RETURN;
+ ENDON_ERROR;
+
+ POSITION (END_OF (makefile_buf));
+ SPLIT_LINE; ! Separate with a blank line.
+ READ_FILE ("[." + subdir + "]Make-lang.in"); ! Load Makefile fragment.
+ ! Make sure that $(xxx_OTH_SRCS) expands to empty string by renaming $(it)
+ pat_replace ("_OTH_SRCS)", "_OTH_SRCS_dummy_)");
+ ! Convert subdirectory references into VMS syntax.
+ pat_replace ("$(srcdir)/" + subdir + "/", "[." + subdir + "]");
+
+ ! Temporary? hack for cp/Make-lang.in's mishandling of "input.c".
+ IF (subdir = 'cp') THEN
+ pat_replace ("[.cp]input.c", ); ! Discard this text.
+ ENDIF;
+
+ ! Add this name to compilers.list.
+ POSITION (END_OF (complist_buf));
+ COPY_TEXT (cname);
+ ! Make array entry indexed by compiler's file name; its value is arbitrary.
+ extra_compilers{cname} := subdir;
+ENDPROCEDURE; !additional_compiler
+!!
+
+PROCEDURE generate_option_file( tag_name, punct, outfile_name )
+ !
+ ! Produce a file listing the names of particular object files, for use
+ ! as input to the linker and also for use in finding source names by
+ ! make-cc1.com. Generally, any name suffix will be suppressed.
+ !
+ LOCAL range1, range2;
+
+ POSITION (BEGINNING_OF (opt_file_buf));
+ recursive_fetch_tag (tag_name, punct);
+ ! First fix up for subdirectory/Make-lang.in.
+ IF (pat_replace ("stamp-objlist" & (SPAN(" ")|LINE_END), " ") > 0) THEN
+ recursive_fetch_tag ("stamp-objlist", ":");
+ ENDIF;
+ ! Now fix up a few things in the output buffer.
+ pat_replace ("Makefile" & (SPAN(" ")|LINE_END), " ");
+!# FILL (CURRENT_BUFFER, " ", 1, 80, 0); ! Condense things a bit.
+ pat_replace ("." & ("o"|"c"|"y") & ((SPAN(" ")&LINE_END)|LINE_END), LINE_END);
+ pat_replace ("." & ("o"|"c"|"y") & SPAN(" "), ",");
+ pat_replace (".h" & (SPAN(" ")|LINE_END), ".h,");
+ ! Remove trailing commas, if present.
+ pat_replace ("," & ((SPAN(" ")&LINE_END)|LINE_END), LINE_END);
+ ! Get rid of spaces and blank lines.
+ pat_replace (SPAN(" "), LINE_END);
+ pat_replace (LINE_BEGIN & LINE_END, );
+ ! Second fix up for subdirectory/Make-lang.in;
+ ! avoid "sticky defaults" when linker processes the resulting options file.
+ IF (extra_compilers{outfile_name - "-objs.opt"} <> TPU$K_UNSPECIFIED) THEN
+ POSITION (BEGINNING_OF (opt_file_buf));
+ range1 := CREATE_RANGE (MARK (NONE), END_OF (CURRENT_BUFFER), NONE);
+ LOOP
+ range2 := SEARCH_QUIETLY (LINE_BEGIN | ",", FORWARD, EXACT, range1);
+ EXITIF (range2 = 0);
+ POSITION (BEGINNING_OF (range2));
+ IF (CURRENT_CHARACTER = ",") THEN MOVE_HORIZONTAL (1); ENDIF;
+ ! If it's not already "[.subdir]name", explicitly make it "[]name".
+ IF (CURRENT_CHARACTER <> "[") THEN COPY_TEXT ("[]"); ENDIF;
+ MOVE_HORIZONTAL (1);
+ MODIFY_RANGE (range1, MARK (NONE), END_OF (range1));
+ ENDLOOP;
+ ENDIF;
+ ! Now write the output file.
+ SET (OUTPUT_FILE, opt_file_buf, outfile_name);
+ WRITE_FILE (opt_file_buf);
+ ERASE (opt_file_buf); ! Clear buffer out for next opt_file pass.
+ENDPROCEDURE; !generate_option_file
+!!
+
+PROCEDURE recursive_fetch_tag( tag_n, punct )
+ !
+ ! Look up TAG_N, copy it to OPT_FILE_BUF, and then translate any $(...)
+ ! definitions that appear. The translation is put at the current point.
+ !
+ LOCAL mark1, mark2, range1, tag_range, tag_string;
+
+ fetch_tag (tag_n, punct);
+ ! Substitute any makefile symbols $(...).
+ POSITION (BEGINNING_OF (CURRENT_BUFFER));
+ LOOP
+ range1 := SEARCH_QUIETLY ("$(" &
+ SPAN("abcdefghijklmnopqrstuvwxyz_ABCDEFGHIJKLMNOPQRSTUVWXYZ#~0123456789")
+ & ")", FORWARD, EXACT);
+ EXITIF (range1 = 0);
+ POSITION (BEGINNING_OF (range1));
+ MOVE_HORIZONTAL (2); ! Past opening "$(".
+ mark1 := MARK (NONE);
+ POSITION (END_OF (range1));
+ MOVE_HORIZONTAL (-1); ! In front of closing ")".
+ mark2 := MARK (NONE);
+ tag_range := CREATE_RANGE (mark1, mark2, NONE);
+ POSITION (END_OF (range1));
+ tag_string := STR (tag_range);
+ ERASE (range1);
+ fetch_tag (tag_string, "=");
+ POSITION (BEGINNING_OF (CURRENT_BUFFER));
+ ENDLOOP;
+ENDPROCEDURE; !recursive_fetch_tag
+!!
+
+PROCEDURE fetch_tag( tag_n, punct )
+ !
+ ! Looks up the translation of a tag, and inserts it at the current location
+ ! in the buffer.
+ !
+ LOCAL mark0, mark1, mark2, range2;
+
+ mark0 := MARK (NONE); ! Remember where we started; restore before return.
+ POSITION (BEGINNING_OF (makefile_buf));
+ ! The tag definition always starts in the first column, and might have
+ ! optional space(es) before "=" or ":" punctuation.
+ range2 := SEARCH_QUIETLY (LINE_BEGIN & tag_n & ((SPAN(" ") & punct) | punct),
+ FORWARD, EXACT);
+ IF (range2 = 0) THEN
+ POSITION (mark0);
+ RETURN;
+ ENDIF;
+ POSITION (END_OF (range2));
+ MOVE_HORIZONTAL (1); ! Move beyond "TAG=".
+ mark1 := MARK (NONE);
+ POSITION (BEGINNING_OF (range2));
+ LOOP
+ MOVE_VERTICAL (1);
+ MOVE_HORIZONTAL (-2);
+ EXITIF (CURRENT_CHARACTER <> "\");
+ ERASE_CHARACTER (1);
+ MOVE_HORIZONTAL (1);
+ ENDLOOP;
+ MOVE_HORIZONTAL (1);
+ mark2 := MARK (NONE);
+ range2 := CREATE_RANGE (mark1, mark2, NONE);
+ POSITION (mark0);
+ IF (LENGTH (range2) <> 0) THEN
+ COPY_TEXT (range2);
+ ENDIF;
+ENDPROCEDURE; !fetch_tag
+!!
+
+PROCEDURE pat_replace( oldstring, newstring )
+ !
+ ! Replace all occurrences of a pattern.
+ !
+ LOCAL range1, range2, kill_it, count;
+
+ count := 0;
+ kill_it := (GET_INFO (newstring, 'TYPE') = UNSPECIFIED); ! Omitted arg.
+ range1 := CREATE_RANGE (BEGINNING_OF (CURRENT_BUFFER),
+ END_OF (CURRENT_BUFFER), NONE);
+ LOOP
+ range2 := SEARCH_QUIETLY (oldstring, FORWARD, EXACT, range1);
+ EXITIF (range2 = 0);
+ count := count + 1;
+ POSITION (BEGINNING_OF (range2));
+ ERASE (range2);
+ IF (newstring = LINE_END) THEN
+ SPLIT_LINE;
+ ELSE IF (NOT kill_it) THEN
+ COPY_TEXT (newstring);
+ ENDIF; ENDIF;
+ MODIFY_RANGE (range1, MARK (NONE), END_OF (range1));
+ ENDLOOP;
+ RETURN count;
+ENDPROCEDURE; !pat_replace
+!!
+
+!
+! This is the main routine.
+!
+process_makefile ();
+process_objc_lib (); !this uses a different makefile
+QUIT; ! All done; don't write any modified buffers.
+!!
+$ echo ""
+$!
+$! Remove excessive versions of the option files...
+$!
+$ purge *.opt,*.list
+$!
$!
$!
$ if f$search("config.status") .nes. "" then delete config.status.*
-$ open/write file config.status
-$ write file "Links are now set up for use with a vax running VMS."
-$ close file
+$ create config.status
+$ open/append ifile$ config.status
+$ write ifile$ "Links are now set up for use with a ''arch' running VMS."
+$ close ifile$
$ type config.status
+$ echo ""
+$!
+$ exit
+$
+$!
+$! Construct a header file based on subdirectory contents
+$!
+$make_lang_incl: subroutine
+$ if f$search(p1).nes."" then delete 'p1';*
+$ create 'p1' !empty file with ordinary text-file attributes
+$ open/Append ifile$ 'p1'
+$ write ifile$ "/* ''p1' */"
+$ hfile = f$search("[]''p1'")
+$ topdir = f$parse(hfile,,,"DIRECTORY") - "]"
+$lang_incl_loop:
+$ hfile = f$search("[.*]lang-''p1'")
+$ if hfile.eqs."" then goto lang_incl_done
+$ dir = f$parse(hfile,,,"DIRECTORY") - "]"
+$! convert absolute path to relative one, yielding "[.subdir]"
+$ dir = "[" + f$edit(dir - topdir,"LOWERCASE") + "]"
+$ write ifile$ "#include ""''dir'lang-''p1'"""
+$ goto lang_incl_loop
+$lang_incl_done:
+$ close ifile$
+$ echo "Created `''p1''."
+$ endsubroutine !make_lang_incl
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