FSF GCC version 2.7.2

1 files changed, 474 insertions, 0 deletions

diff --git a/gnu/usr.bin/gcc/vmsconfig.com b/gnu/usr.bin/gcc/vmsconfig.com
new file mode 100644
index 00000000000..0b58b2d4e30
--- /dev/null
+++ b/gnu/usr.bin/gcc/vmsconfig.com
@@ -0,0 +1,474 @@
+$ !
+$ !	Set up to compile GCC on VAX/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$output"
+$ !
+$ if f$search("config.h") .nes. "" then delete config.h.*
+$ copy [.config.vax]xm-vms.h []config.h
+$ echo "Linked `config.h' to `[.config.vax]xm-vms.h'.
+$ !
+$ 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.vax]vms.h []tm.h
+$ edit/tpu/nojournal/nosection/nodisplay/command=sys$input -
+        [.config.vax]vms.h /output=[]tm.h
+$DECK
+!
+!  Copy file, changing lines of the form
+!	#include "vax/*"
+!  into
+!	#include "config-*"
+!
+   file := CREATE_BUFFER("file", GET_INFO(COMMAND_LINE, "file_name"));
+   targ := LINE_BEGIN & '#include' & SPAN(ASCII(32)+ASCII(9)) & '"vax/';
+   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.vax]vms.h'.
+$ !
+$	!crude hack to allow compiling from [.cp] subdirectory
+$ if f$search("config-vax.h") .nes. "" then delete config-vax.h;*
+$ copy [.config.vax]vax.h []config-vax.h
+$ echo "Linked `config-vax.h' to `[.config.vax]vax.h' for `tm.h'."
+$ !
+$ call make_lang_incl "options.h"
+$ !
+$ call make_lang_incl "specs.h"
+$ !
+$ if f$search("vax.md") .nes. "" then delete vax.md;*
+$ copy [.config.vax]vax.md []vax.md
+$ echo "Copied `vax.md' from `[.config.vax]vax.md'."
+$ !
+$ if f$search("aux-output.c") .nes. "" then delete aux-output.c.*
+$ copy [.config.vax]vax.c []aux-output.c
+$ echo "Linked `aux-output.c' to `[.config.vax]vax.c'.
+$ !
+$!
+$!
+$! Create the file version.opt, which helps identify the executable.
+$!
+$search version.c version_string,"="/match=and/output=t.tmp
+$open ifile$ t.tmp
+$read ifile$ line
+$close ifile$
+$delete t.tmp;
+$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+""""
+$close ifile$
+$purge version.opt
+$!
+$!
+$! 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
+!!
+VARIABLE makefile_buf, opt_file_buf, complist_buf, extra_compilers; ! Globals.
+
+!!
+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 ("BC_ALL",    "=", "bc_all.list");
+  generate_option_file ("BI_OBJ",    "=", "bi_all.opt");
+  !
+  ! 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]Makefile");	!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.
+  !
+  POSITION (BEGINNING_OF (makefile_buf));
+  COPY_TEXT ("target=vax-vms");			SPLIT_LINE;
+  COPY_TEXT ("out_file=aux-output.c");		SPLIT_LINE;	! vax/vax.c
+  COPY_TEXT ("out_object_file=aux-output.o");	SPLIT_LINE;	! aux-output.obj
+  COPY_TEXT ("md_file=vax.md");			SPLIT_LINE;	! vax/vax.md
+  COPY_TEXT ("tm_file=tm.h");			SPLIT_LINE;	! vax/tm-vms.h
+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, );
+!#  ! 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 + "]");
+  ! 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 (("bytecode"|"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$search("config.status") .nes. "" then delete config.status.*
+$ create config.status
+Links are now set up for use with a vax running VMS.
+$ 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