2 $ ! Set up to compile GCC on VMS.
4 $ ! Set the def dir to proper place for use in batch. Works for interactive too.
5 $flnm = f$enviroment("PROCEDURE") ! get current procedure name
6 $set default 'f$parse(flnm,,,"DEVICE")''f$parse(flnm,,,"DIRECTORY")'
8 $set symbol/scope=(nolocal,noglobal)
9 $if f$trnlnm("IFILE$").nes."" then close/noLog ifile$
11 $ echo = "write sys$output"
13 $ arch_indx = 1 + ((f$getsyi("CPU").ge.128).and.1) ! vax==1, alpha==2
14 $ arch = f$element(arch_indx,"|","|vax|alpha|")
16 $ if f$search("config.h") .nes. "" then delete config.h.*
19 $ copy [.config.'arch']xm-vms.h []config.h
20 $ echo "Linked `config.h' to `[.config.''arch']xm-vms.h'."
22 $ open/write cfile []config.h
23 $ write cfile "#include "+"""config/"+arch+"/xm-"+arch+".h"+"""
24 $ write cfile "#include "+"""config/"+arch+"/xm-vms.h"+"""
26 $ echo "Created `config.h'."
29 $ if f$search("tconfig.h") .nes. "" then delete tconfig.h.*
32 /* tconfig.h == config.h :: target and host configurations are the same */
35 $ echo "Created `tconfig.h'.
37 $ if f$search("hconfig.h") .nes. "" then delete hconfig.h.*
40 /* hconfig.h == config.h :: host and target configurations are the same */
43 $ echo "Created `hconfig.h'.
45 $ if f$search("tm.h") .nes. "" then delete tm.h.*
47 $ edit/tpu/nojournal/nosection/nodisplay/command=sys$input -
48 [.config.'arch']vms.h /output=[]tm.h
51 ! Copy file, changing lines of the form
58 file := CREATE_BUFFER("file", GET_INFO(COMMAND_LINE, "file_name"));
59 targ := LINE_BEGIN & '#include' & SPAN(ASCII(32)+ASCII(9))
60 & '"' & ('vax' | 'alpha') & '/';
61 rang := CREATE_RANGE(BEGINNING_OF(file), END_OF(file));
63 incl := SEARCH_QUIETLY(targ, FORWARD, EXACT, rang);
65 POSITION(BEGINNING_OF(incl));
67 COPY_TEXT('#include "config-');
68 rang := CREATE_RANGE(END_OF(incl), END_OF(file));
70 WRITE_FILE(file, GET_INFO(COMMAND_LINE, "output_file"));
73 $ echo "Generated `tm.h' from `[.config.''arch']vms.h'."
75 $ !crude hack to allow compiling from [.cp] subdirectory
76 $ if f$search("config-''arch'.h") .nes. "" then delete config-'arch'.h;*
77 $ copy [.config.'arch']'arch'.h []config-'arch'.h
78 $ echo "Linked `config-''arch'.h' to `[.config.''arch']''arch'.h' for `tm.h'."
80 $ call make_lang_incl "options.h"
82 $ call make_lang_incl "specs.h"
86 $ if f$search("''arch'.md") .nes. "" then delete 'arch'.md;*
87 $ copy [.config.'arch']'arch'.md []'arch'.md
88 $ echo "Copied `''arch'.md' from `[.config.''arch']''arch'.md'."
91 $ if f$search("aux-output.c") .nes. "" then delete aux-output.c.*
92 $ copy [.config.'arch']'arch'.c []aux-output.c
93 $ echo "Linked `aux-output.c' to `[.config.''arch']''arch'.c'.
97 $ ! Create the file version.opt, which helps identify the executable.
99 $search version.c version_string,"="/match=and/output=t.tmp
104 $line=f$element(1,"""",line) !extract the portion between 1st & 2nd quotes
105 $! Format of 'line' is "name-nn.nn.nn[.nn] [date text]" (without the quotes).
106 $! We want "name-nn.nn.nn[.nn][-date]"; "-date" suffix is optional.
107 $id = f$element(1,"-",line) !strip "name-" prefix
108 $if id.eqs."-" then id = line !no prefix found?
109 $id = f$element(0," ",id) + "-" + f$element(1," ",id) !first two tokens
110 $id = id - "- " !in case 2nd token was empty
111 $if f$length(id).gt.15 then id = f$extract(0,15,id) !length limitation
113 $open/write ifile$ version.opt
114 $write ifile$ "ident="+""""+id+""""
119 $! create linker options files that lists all of the components for all
120 $! possible compilers. We do this by editing the file Makefile.in, and
121 $! generating the relevant files from it.
124 $! Make a copy of the makefile if the sources are on a disk that is NFS
125 $! mounted on a unix machine.
126 $if f$search("Makefile.in").eqs."" .and. f$search("$M$akefile.in").nes."" -
127 then copy $M$akefile.in Makefile.in
128 $! This should be automated across all front-end subdirectories.
129 $! For now, it's hardcoded.
130 $if f$search("[.cp]Makefile.in").eqs."" .and. f$search("[.cp]$M$akefile.in").nes."" -
131 then copy [.cp]$M$akefile.in [.cp]Makefile.in
134 $echo "Now processing Makefile.in to generate linker option files."
135 $edit/TPU/noJournal/noSection/noDisplay/Command=sys$input: Makefile.in -
136 /Start_Position=('arch_indx') ! 1 for vax, 2 for alpha
138 VARIABLE makefile_buf, opt_file_buf, complist_buf, extra_compilers; ! Globals.
139 VARIABLE arch; ! String 'vax' or 'alpha', set in configure_makefile().
142 PROCEDURE process_makefile( )
144 ! Interpret Makefile.in and subsidiary Make-lang.in templates.
146 LOCAL range1, cmark, makefilename;
148 makefilename := GET_INFO (COMMAND_LINE, 'FILE_NAME'); ! "Makefile.in"
149 makefile_buf := CREATE_BUFFER ("makefile", makefilename);
150 opt_file_buf := CREATE_BUFFER ("opt_file");
151 complist_buf := CREATE_BUFFER ("complist");
152 extra_compilers := CREATE_ARRAY;
154 SET (NO_WRITE, makefile_buf, ON); ! Used as workspace; don't save it.
155 SET (OUTPUT_FILE, complist_buf, "compilers.list");
157 ! Make some textual substitutions.
159 configure_makefile ();
161 ! Collect a list of supported compilers (``COMPILERS=xxx'' macro).
163 identify_compilers ();
165 ! Plus other known compilers described by Make-lang.in makefile fragments.
166 ! Add new entries as needed; args are (target name, subdirectory name).
168 additional_compiler ("cc1plus", "cp");
170 WRITE_FILE (complist_buf); ! Now save "compilers.list".
172 ! Add to this list, as required. The file "Makefile.in" is searched for
173 ! a tag that looks like "LINE_BEGIN + 'tag + (optional space) + "="".
174 ! The contents are assumed to be a list of object files, and from this
175 ! list a VMS linker options file is generated.
177 generate_option_file ("OBJS", "=", "independent.opt");
178 generate_option_file ("LIB2FUNCS", "=", "libgcc2.list");
179 generate_option_file ("CXX_LIB2FUNCS", "=", "libgcc2-cxx.list");
180 generate_option_file ("BC_ALL", "=", "bc_all.list");
181 generate_option_file ("BI_OBJ", "=", "bi_all.opt");
183 ! Now change OBJS in the Makefile, so each language specific options file
184 ! does not pick up all of the language independent files.
186 POSITION (BEGINNING_OF (makefile_buf));
187 COPY_TEXT ("OBJS="); ! New copy with empty value, seen before real OBJS.
190 ! Lastly, process each compiler-specific object dependency list.
192 POSITION (BEGINNING_OF (complist_buf));
194 cmark := MARK (NONE);
195 EXITIF (cmark = END_OF (complist_buf));
196 ! The current line contains the name of a compiler target, such as "cc1".
197 MESSAGE (CURRENT_LINE); ! Give some interactive feedback.
198 generate_option_file (CURRENT_LINE, ":", CURRENT_LINE + "-objs.opt");
200 MOVE_VERTICAL (1); ! Go to the next line.
202 ENDPROCEDURE; !process_makefile
205 PROCEDURE process_objc_lib( )
207 ! Interpret objc/Makefile, after finishing the top makefile.
211 MESSAGE ("Cannot load objc/Makefile for ""ObjClib""; skipping it.");
215 ERASE (makefile_buf); !discard top Makefile
216 POSITION (END_OF (makefile_buf));
217 READ_FILE ("[.objc]Make-lang.in"); !load objc one
219 pat_replace (ASCII(9), " "); !change any <tab> to <space>
220 generate_option_file ("OBJC_O", "=", "objc-objs.opt");
221 POSITION (BEGINNING_OF (makefile_buf));
222 ! Join any continuation lines; we want the header list to be one line.
223 pat_replace ("\" & LINE_END, );
224 generate_option_file ("OBJC_H", "=", "objc-hdrs.list");
225 ENDPROCEDURE; !process_objc_lib
228 PROCEDURE configure_makefile( )
230 ! Plug in some values normally handled by `configure'. Rather than
231 ! replacing the dummy entries, insert the real entries before them.
233 IF (GET_INFO (COMMAND_LINE, 'START_RECORD') <> 2) THEN
238 POSITION (BEGINNING_OF (makefile_buf));
239 COPY_TEXT ("target=" + arch + "-vms"); SPLIT_LINE;
240 COPY_TEXT ("out_file=aux-output.c"); SPLIT_LINE; ! 'arch'/'arch'.c
241 COPY_TEXT ("out_object_file=aux-output.o"); SPLIT_LINE; ! aux-output.obj
242 COPY_TEXT ("md_file=" + arch + ".md"); SPLIT_LINE; ! 'arch'/'arch'.md
243 COPY_TEXT ("tm_file=tm.h"); SPLIT_LINE; ! 'arch'/tm-vms.h
245 SPAN("abcdefghijklmnopqrstuvwxyz_ABCDEFGHIJKLMNOPQRSTUVWXYZ#~0123456789")
246 & "@", ); ! strip `configure' dummy values
247 ENDPROCEDURE; !configure_makefile
250 PROCEDURE identify_compilers( )
252 ! Retrieve the list of supported compilers from Makefile.in, and put them
253 ! into file "compilers.list", one per line, for subsequent access from DCL.
257 ! Strip most comments from the makefile, to speed up subsequent processing.
258 POSITION (BEGINNING_OF (makefile_buf));
259 pat_replace (LINE_BEGIN & "#" & REMAIN & LINE_END, );
260 pat_replace ("$(exeext)", );
261 pat_replace ("@all_compilers@", );
262 !# ! Convert directory references to VMS syntax (actually, just strip it).
263 !# pat_replace (" $(srcdir)/", " ");
264 ! Look up the ``COMPILERS=cc1 xyzzy'' Makefile macro and put
265 ! its ``cc1 xyzzy'' value into the compilers buffer.
266 POSITION (BEGINNING_OF (complist_buf));
267 !#--at some point we may want to add this--
268 !# recursive_fetch_tag ("CCCP", "="); ! Include the preprocessor.
269 !# POSITION (END_OF (complist_buf));
270 recursive_fetch_tag ("COMPILERS", "=");
271 ! Convert all spaces into newlines, then remove any blank lines.
272 pat_replace (SPAN(" "), LINE_END);
273 pat_replace (LINE_BEGIN & LINE_END, );
274 ENDPROCEDURE; !identify_compilers
277 PROCEDURE additional_compiler( cname, subdir )
279 ! Load Make-lang.in for compiler CNAME from SUBDIR and append it to the
280 ! end of Makefile.in's buffer. Add CNAME to the "compilers.list" buffer.
283 ! Don't abort if user removes the supporting subdirectory for a
284 ! language she's not interested in.
286 MESSAGE ("Cannot load " + subdir + "/Make-lang.in for "
287 + '"' + cname + '"' + "; skipping it.");
291 POSITION (END_OF (makefile_buf));
292 SPLIT_LINE; ! Separate with a blank line.
293 READ_FILE ("[." + subdir + "]Make-lang.in"); ! Load Makefile fragment.
294 ! Make sure that $(xxx_OTH_SRCS) expands to empty string by renaming $(it)
295 pat_replace ("_OTH_SRCS)", "_OTH_SRCS_dummy_)");
296 ! Convert subdirectory references into VMS syntax.
297 pat_replace ("$(srcdir)/" + subdir + "/", "[." + subdir + "]");
299 ! Temporary? hack for cp/Make-lang.in's mishandling of "input.c".
300 IF (subdir = 'cp') THEN
301 pat_replace ("[.cp]input.c", ); ! Discard this text.
304 ! Add this name to compilers.list.
305 POSITION (END_OF (complist_buf));
307 ! Make array entry indexed by compiler's file name; its value is arbitrary.
308 extra_compilers{cname} := subdir;
309 ENDPROCEDURE; !additional_compiler
312 PROCEDURE generate_option_file( tag_name, punct, outfile_name )
314 ! Produce a file listing the names of particular object files, for use
315 ! as input to the linker and also for use in finding source names by
316 ! make-cc1.com. Generally, any name suffix will be suppressed.
318 LOCAL range1, range2;
320 POSITION (BEGINNING_OF (opt_file_buf));
321 recursive_fetch_tag (tag_name, punct);
322 ! First fix up for subdirectory/Make-lang.in.
323 IF (pat_replace ("stamp-objlist" & (SPAN(" ")|LINE_END), " ") > 0) THEN
324 recursive_fetch_tag ("stamp-objlist", ":");
326 ! Now fix up a few things in the output buffer.
327 pat_replace (("bytecode"|"Makefile") & (SPAN(" ")|LINE_END), " ");
328 !# FILL (CURRENT_BUFFER, " ", 1, 80, 0); ! Condense things a bit.
329 pat_replace ("." & ("o"|"c"|"y") & ((SPAN(" ")&LINE_END)|LINE_END), LINE_END);
330 pat_replace ("." & ("o"|"c"|"y") & SPAN(" "), ",");
331 pat_replace (".h" & (SPAN(" ")|LINE_END), ".h,");
332 ! Remove trailing commas, if present.
333 pat_replace ("," & ((SPAN(" ")&LINE_END)|LINE_END), LINE_END);
334 ! Get rid of spaces and blank lines.
335 pat_replace (SPAN(" "), LINE_END);
336 pat_replace (LINE_BEGIN & LINE_END, );
337 ! Second fix up for subdirectory/Make-lang.in;
338 ! avoid "sticky defaults" when linker processes the resulting options file.
339 IF (extra_compilers{outfile_name - "-objs.opt"} <> TPU$K_UNSPECIFIED) THEN
340 POSITION (BEGINNING_OF (opt_file_buf));
341 range1 := CREATE_RANGE (MARK (NONE), END_OF (CURRENT_BUFFER), NONE);
343 range2 := SEARCH_QUIETLY (LINE_BEGIN | ",", FORWARD, EXACT, range1);
345 POSITION (BEGINNING_OF (range2));
346 IF (CURRENT_CHARACTER = ",") THEN MOVE_HORIZONTAL (1); ENDIF;
347 ! If it's not already "[.subdir]name", explicitly make it "[]name".
348 IF (CURRENT_CHARACTER <> "[") THEN COPY_TEXT ("[]"); ENDIF;
350 MODIFY_RANGE (range1, MARK (NONE), END_OF (range1));
353 ! Now write the output file.
354 SET (OUTPUT_FILE, opt_file_buf, outfile_name);
355 WRITE_FILE (opt_file_buf);
356 ERASE (opt_file_buf); ! Clear buffer out for next opt_file pass.
357 ENDPROCEDURE; !generate_option_file
360 PROCEDURE recursive_fetch_tag( tag_n, punct )
362 ! Look up TAG_N, copy it to OPT_FILE_BUF, and then translate any $(...)
363 ! definitions that appear. The translation is put at the current point.
365 LOCAL mark1, mark2, range1, tag_range, tag_string;
367 fetch_tag (tag_n, punct);
368 ! Substitute any makefile symbols $(...).
369 POSITION (BEGINNING_OF (CURRENT_BUFFER));
371 range1 := SEARCH_QUIETLY ("$(" &
372 SPAN("abcdefghijklmnopqrstuvwxyz_ABCDEFGHIJKLMNOPQRSTUVWXYZ#~0123456789")
373 & ")", FORWARD, EXACT);
375 POSITION (BEGINNING_OF (range1));
376 MOVE_HORIZONTAL (2); ! Past opening "$(".
377 mark1 := MARK (NONE);
378 POSITION (END_OF (range1));
379 MOVE_HORIZONTAL (-1); ! In front of closing ")".
380 mark2 := MARK (NONE);
381 tag_range := CREATE_RANGE (mark1, mark2, NONE);
382 POSITION (END_OF (range1));
383 tag_string := STR (tag_range);
385 fetch_tag (tag_string, "=");
386 POSITION (BEGINNING_OF (CURRENT_BUFFER));
388 ENDPROCEDURE; !recursive_fetch_tag
391 PROCEDURE fetch_tag( tag_n, punct )
393 ! Looks up the translation of a tag, and inserts it at the current location
396 LOCAL mark0, mark1, mark2, range2;
398 mark0 := MARK (NONE); ! Remember where we started; restore before return.
399 POSITION (BEGINNING_OF (makefile_buf));
400 ! The tag definition always starts in the first column, and might have
401 ! optional space(es) before "=" or ":" punctuation.
402 range2 := SEARCH_QUIETLY (LINE_BEGIN & tag_n & ((SPAN(" ") & punct) | punct),
408 POSITION (END_OF (range2));
409 MOVE_HORIZONTAL (1); ! Move beyond "TAG=".
410 mark1 := MARK (NONE);
411 POSITION (BEGINNING_OF (range2));
414 MOVE_HORIZONTAL (-2);
415 EXITIF (CURRENT_CHARACTER <> "\");
420 mark2 := MARK (NONE);
421 range2 := CREATE_RANGE (mark1, mark2, NONE);
423 IF (LENGTH (range2) <> 0) THEN
426 ENDPROCEDURE; !fetch_tag
429 PROCEDURE pat_replace( oldstring, newstring )
431 ! Replace all occurrences of a pattern.
433 LOCAL range1, range2, kill_it, count;
436 kill_it := (GET_INFO (newstring, 'TYPE') = UNSPECIFIED); ! Omitted arg.
437 range1 := CREATE_RANGE (BEGINNING_OF (CURRENT_BUFFER),
438 END_OF (CURRENT_BUFFER), NONE);
440 range2 := SEARCH_QUIETLY (oldstring, FORWARD, EXACT, range1);
443 POSITION (BEGINNING_OF (range2));
445 IF (newstring = LINE_END) THEN
447 ELSE IF (NOT kill_it) THEN
448 COPY_TEXT (newstring);
450 MODIFY_RANGE (range1, MARK (NONE), END_OF (range1));
453 ENDPROCEDURE; !pat_replace
457 ! This is the main routine.
460 process_objc_lib (); !this uses a different makefile
461 QUIT; ! All done; don't write any modified buffers.
465 $! Remove excessive versions of the option files...
471 $ if f$search("config.status") .nes. "" then delete config.status.*
472 $ create config.status
473 $ open/append ifile$ config.status
474 $ write ifile$ "Links are now set up for use with a ''arch' running VMS."
482 $! Construct a header file based on subdirectory contents
484 $make_lang_incl: subroutine
485 $ if f$search(p1).nes."" then delete 'p1';*
486 $ create 'p1' !empty file with ordinary text-file attributes
487 $ open/Append ifile$ 'p1'
488 $ write ifile$ "/* ''p1' */"
489 $ hfile = f$search("[]''p1'")
490 $ topdir = f$parse(hfile,,,"DIRECTORY") - "]"
492 $ hfile = f$search("[.*]lang-''p1'")
493 $ if hfile.eqs."" then goto lang_incl_done
494 $ dir = f$parse(hfile,,,"DIRECTORY") - "]"
495 $! convert absolute path to relative one, yielding "[.subdir]"
496 $ dir = "[" + f$edit(dir - topdir,"LOWERCASE") + "]"
497 $ write ifile$ "#include ""''dir'lang-''p1'"""
498 $ goto lang_incl_loop
501 $ echo "Created `''p1''."
502 $ endsubroutine !make_lang_incl