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.*
17 $ copy [.config.'arch']xm-vms.h []config.h
18 $ echo "Linked `config.h' to `[.config.''arch']xm-vms.h'."
20 $ if f$search("tconfig.h") .nes. "" then delete tconfig.h.*
23 /* tconfig.h == config.h :: target and host configurations are the same */
26 $ echo "Created `tconfig.h'.
28 $ if f$search("hconfig.h") .nes. "" then delete hconfig.h.*
31 /* hconfig.h == config.h :: host and target configurations are the same */
34 $ echo "Created `hconfig.h'.
36 $ if f$search("tm.h") .nes. "" then delete tm.h.*
37 $!! copy [.config.'arch']vms.h []tm.h
38 $ edit/tpu/nojournal/nosection/nodisplay/command=sys$input -
39 [.config.'arch']vms.h /output=[]tm.h
42 ! Copy file, changing lines of the form
49 file := CREATE_BUFFER("file", GET_INFO(COMMAND_LINE, "file_name"));
50 targ := LINE_BEGIN & '#include' & SPAN(ASCII(32)+ASCII(9))
51 & '"' & ('vax' | 'alpha') & '/';
52 rang := CREATE_RANGE(BEGINNING_OF(file), END_OF(file));
54 incl := SEARCH_QUIETLY(targ, FORWARD, EXACT, rang);
56 POSITION(BEGINNING_OF(incl));
58 COPY_TEXT('#include "config-');
59 rang := CREATE_RANGE(END_OF(incl), END_OF(file));
61 WRITE_FILE(file, GET_INFO(COMMAND_LINE, "output_file"));
64 $ echo "Generated `tm.h' from `[.config.''arch']vms.h'."
66 $ !crude hack to allow compiling from [.cp] subdirectory
67 $ if f$search("config-''arch'.h") .nes. "" then delete config-'arch'.h;*
68 $ copy [.config.'arch']'arch'.h []config-'arch'.h
69 $ echo "Linked `config-''arch'.h' to `[.config.''arch']''arch'.h' for `tm.h'."
71 $ call make_lang_incl "options.h"
73 $ call make_lang_incl "specs.h"
75 $ if f$search("''arch'.md") .nes. "" then delete 'arch'.md;*
76 $ copy [.config.'arch']'arch'.md []'arch'.md
77 $ echo "Copied `''arch'.md' from `[.config.''arch']''arch'.md'."
79 $ if f$search("aux-output.c") .nes. "" then delete aux-output.c.*
80 $ copy [.config.'arch']'arch'.c []aux-output.c
81 $ echo "Linked `aux-output.c' to `[.config.''arch']''arch'.c'.
85 $! Create the file version.opt, which helps identify the executable.
87 $search version.c version_string,"="/match=and/output=t.tmp
92 $line=f$element(1,"""",line) !extract the portion between 1st & 2nd quotes
93 $! Format of 'line' is "name-nn.nn.nn[.nn] [date text]" (without the quotes).
94 $! We want "name-nn.nn.nn[.nn][-date]"; "-date" suffix is optional.
95 $id = f$element(1,"-",line) !strip "name-" prefix
96 $if id.eqs."-" then id = line !no prefix found?
97 $id = f$element(0," ",id) + "-" + f$element(1," ",id) !first two tokens
98 $id = id - "- " !in case 2nd token was empty
99 $if f$length(id).gt.15 then id = f$extract(0,15,id) !length limitation
101 $open/write ifile$ version.opt
102 $write ifile$ "ident="+""""+id+""""
107 $! create linker options files that lists all of the components for all
108 $! possible compilers. We do this by editing the file Makefile.in, and
109 $! generating the relevant files from it.
112 $! Make a copy of the makefile if the sources are on a disk that is NFS
113 $! mounted on a unix machine.
114 $if f$search("Makefile.in").eqs."" .and. f$search("$M$akefile.in").nes."" -
115 then copy $M$akefile.in Makefile.in
116 $! This should be automated across all front-end subdirectories.
117 $! For now, it's hardcoded.
118 $if f$search("[.cp]Makefile.in").eqs."" .and. f$search("[.cp]$M$akefile.in").nes."" -
119 then copy [.cp]$M$akefile.in [.cp]Makefile.in
122 $echo "Now processing Makefile.in to generate linker option files."
123 $edit/TPU/noJournal/noSection/noDisplay/Command=sys$input: Makefile.in -
124 /Start_Position=('arch_indx') ! 1 for vax, 2 for alpha
126 VARIABLE makefile_buf, opt_file_buf, complist_buf, extra_compilers; ! Globals.
127 VARIABLE arch; ! String 'vax' or 'alpha', set in configure_makefile().
130 PROCEDURE process_makefile( )
132 ! Interpret Makefile.in and subsidiary Make-lang.in templates.
134 LOCAL range1, cmark, makefilename;
136 makefilename := GET_INFO (COMMAND_LINE, 'FILE_NAME'); ! "Makefile.in"
137 makefile_buf := CREATE_BUFFER ("makefile", makefilename);
138 opt_file_buf := CREATE_BUFFER ("opt_file");
139 complist_buf := CREATE_BUFFER ("complist");
140 extra_compilers := CREATE_ARRAY;
142 SET (NO_WRITE, makefile_buf, ON); ! Used as workspace; don't save it.
143 SET (OUTPUT_FILE, complist_buf, "compilers.list");
145 ! Make some textual substitutions.
147 configure_makefile ();
149 ! Collect a list of supported compilers (``COMPILERS=xxx'' macro).
151 identify_compilers ();
153 ! Plus other known compilers described by Make-lang.in makefile fragments.
154 ! Add new entries as needed; args are (target name, subdirectory name).
156 additional_compiler ("cc1plus", "cp");
158 WRITE_FILE (complist_buf); ! Now save "compilers.list".
160 ! Add to this list, as required. The file "Makefile.in" is searched for
161 ! a tag that looks like "LINE_BEGIN + 'tag + (optional space) + "="".
162 ! The contents are assumed to be a list of object files, and from this
163 ! list a VMS linker options file is generated.
165 generate_option_file ("OBJS", "=", "independent.opt");
166 generate_option_file ("LIB2FUNCS", "=", "libgcc2.list");
167 generate_option_file ("CXX_LIB2FUNCS", "=", "libgcc2-cxx.list");
168 generate_option_file ("BC_ALL", "=", "bc_all.list");
169 generate_option_file ("BI_OBJ", "=", "bi_all.opt");
171 ! Now change OBJS in the Makefile, so each language specific options file
172 ! does not pick up all of the language independent files.
174 POSITION (BEGINNING_OF (makefile_buf));
175 COPY_TEXT ("OBJS="); ! New copy with empty value, seen before real OBJS.
178 ! Lastly, process each compiler-specific object dependency list.
180 POSITION (BEGINNING_OF (complist_buf));
182 cmark := MARK (NONE);
183 EXITIF (cmark = END_OF (complist_buf));
184 ! The current line contains the name of a compiler target, such as "cc1".
185 MESSAGE (CURRENT_LINE); ! Give some interactive feedback.
186 generate_option_file (CURRENT_LINE, ":", CURRENT_LINE + "-objs.opt");
188 MOVE_VERTICAL (1); ! Go to the next line.
190 ENDPROCEDURE; !process_makefile
193 PROCEDURE process_objc_lib( )
195 ! Interpret objc/Makefile, after finishing the top makefile.
199 MESSAGE ("Cannot load objc/Makefile for ""ObjClib""; skipping it.");
203 ERASE (makefile_buf); !discard top Makefile
204 POSITION (END_OF (makefile_buf));
205 READ_FILE ("[.objc]Make-lang.in"); !load objc one
207 pat_replace (ASCII(9), " "); !change any <tab> to <space>
208 generate_option_file ("OBJC_O", "=", "objc-objs.opt");
209 POSITION (BEGINNING_OF (makefile_buf));
210 ! Join any continuation lines; we want the header list to be one line.
211 pat_replace ("\" & LINE_END, );
212 generate_option_file ("OBJC_H", "=", "objc-hdrs.list");
213 ENDPROCEDURE; !process_objc_lib
216 PROCEDURE configure_makefile( )
218 ! Plug in some values normally handled by `configure'. Rather than
219 ! replacing the dummy entries, insert the real entries before them.
221 IF (GET_INFO (COMMAND_LINE, 'START_RECORD') <> 2) THEN
226 POSITION (BEGINNING_OF (makefile_buf));
227 COPY_TEXT ("target=" + arch + "-vms"); SPLIT_LINE;
228 COPY_TEXT ("out_file=aux-output.c"); SPLIT_LINE; ! 'arch'/'arch'.c
229 COPY_TEXT ("out_object_file=aux-output.o"); SPLIT_LINE; ! aux-output.obj
230 COPY_TEXT ("md_file=" + arch + ".md"); SPLIT_LINE; ! 'arch'/'arch'.md
231 COPY_TEXT ("tm_file=tm.h"); SPLIT_LINE; ! 'arch'/tm-vms.h
233 SPAN("abcdefghijklmnopqrstuvwxyz_ABCDEFGHIJKLMNOPQRSTUVWXYZ#~0123456789")
234 & "@", ); ! strip `configure' dummy values
235 ENDPROCEDURE; !configure_makefile
238 PROCEDURE identify_compilers( )
240 ! Retrieve the list of supported compilers from Makefile.in, and put them
241 ! into file "compilers.list", one per line, for subsequent access from DCL.
245 ! Strip most comments from the makefile, to speed up subsequent processing.
246 POSITION (BEGINNING_OF (makefile_buf));
247 pat_replace (LINE_BEGIN & "#" & REMAIN & LINE_END, );
248 !# ! Convert directory references to VMS syntax (actually, just strip it).
249 !# pat_replace (" $(srcdir)/", " ");
250 ! Look up the ``COMPILERS=cc1 xyzzy'' Makefile macro and put
251 ! its ``cc1 xyzzy'' value into the compilers buffer.
252 POSITION (BEGINNING_OF (complist_buf));
253 !#--at some point we may want to add this--
254 !# recursive_fetch_tag ("CCCP", "="); ! Include the preprocessor.
255 !# POSITION (END_OF (complist_buf));
256 recursive_fetch_tag ("COMPILERS", "=");
257 ! Convert all spaces into newlines, then remove any blank lines.
258 pat_replace (SPAN(" "), LINE_END);
259 pat_replace (LINE_BEGIN & LINE_END, );
260 ENDPROCEDURE; !identify_compilers
263 PROCEDURE additional_compiler( cname, subdir )
265 ! Load Make-lang.in for compiler CNAME from SUBDIR and append it to the
266 ! end of Makefile.in's buffer. Add CNAME to the "compilers.list" buffer.
269 ! Don't abort if user removes the supporting subdirectory for a
270 ! language she's not interested in.
272 MESSAGE ("Cannot load " + subdir + "/Make-lang.in for "
273 + '"' + cname + '"' + "; skipping it.");
277 POSITION (END_OF (makefile_buf));
278 SPLIT_LINE; ! Separate with a blank line.
279 READ_FILE ("[." + subdir + "]Make-lang.in"); ! Load Makefile fragment.
280 ! Make sure that $(xxx_OTH_SRCS) expands to empty string by renaming $(it)
281 pat_replace ("_OTH_SRCS)", "_OTH_SRCS_dummy_)");
282 ! Convert subdirectory references into VMS syntax.
283 pat_replace ("$(srcdir)/" + subdir + "/", "[." + subdir + "]");
285 ! Temporary? hack for cp/Make-lang.in's mishandling of "input.c".
286 IF (subdir = 'cp') THEN
287 pat_replace ("[.cp]input.c", ); ! Discard this text.
290 ! Add this name to compilers.list.
291 POSITION (END_OF (complist_buf));
293 ! Make array entry indexed by compiler's file name; its value is arbitrary.
294 extra_compilers{cname} := subdir;
295 ENDPROCEDURE; !additional_compiler
298 PROCEDURE generate_option_file( tag_name, punct, outfile_name )
300 ! Produce a file listing the names of particular object files, for use
301 ! as input to the linker and also for use in finding source names by
302 ! make-cc1.com. Generally, any name suffix will be suppressed.
304 LOCAL range1, range2;
306 POSITION (BEGINNING_OF (opt_file_buf));
307 recursive_fetch_tag (tag_name, punct);
308 ! First fix up for subdirectory/Make-lang.in.
309 IF (pat_replace ("stamp-objlist" & (SPAN(" ")|LINE_END), " ") > 0) THEN
310 recursive_fetch_tag ("stamp-objlist", ":");
312 ! Now fix up a few things in the output buffer.
313 pat_replace (("bytecode"|"Makefile") & (SPAN(" ")|LINE_END), " ");
314 !# FILL (CURRENT_BUFFER, " ", 1, 80, 0); ! Condense things a bit.
315 pat_replace ("." & ("o"|"c"|"y") & ((SPAN(" ")&LINE_END)|LINE_END), LINE_END);
316 pat_replace ("." & ("o"|"c"|"y") & SPAN(" "), ",");
317 pat_replace (".h" & (SPAN(" ")|LINE_END), ".h,");
318 ! Remove trailing commas, if present.
319 pat_replace ("," & ((SPAN(" ")&LINE_END)|LINE_END), LINE_END);
320 ! Get rid of spaces and blank lines.
321 pat_replace (SPAN(" "), LINE_END);
322 pat_replace (LINE_BEGIN & LINE_END, );
323 ! Second fix up for subdirectory/Make-lang.in;
324 ! avoid "sticky defaults" when linker processes the resulting options file.
325 IF (extra_compilers{outfile_name - "-objs.opt"} <> TPU$K_UNSPECIFIED) THEN
326 POSITION (BEGINNING_OF (opt_file_buf));
327 range1 := CREATE_RANGE (MARK (NONE), END_OF (CURRENT_BUFFER), NONE);
329 range2 := SEARCH_QUIETLY (LINE_BEGIN | ",", FORWARD, EXACT, range1);
331 POSITION (BEGINNING_OF (range2));
332 IF (CURRENT_CHARACTER = ",") THEN MOVE_HORIZONTAL (1); ENDIF;
333 ! If it's not already "[.subdir]name", explicitly make it "[]name".
334 IF (CURRENT_CHARACTER <> "[") THEN COPY_TEXT ("[]"); ENDIF;
336 MODIFY_RANGE (range1, MARK (NONE), END_OF (range1));
339 ! Now write the output file.
340 SET (OUTPUT_FILE, opt_file_buf, outfile_name);
341 WRITE_FILE (opt_file_buf);
342 ERASE (opt_file_buf); ! Clear buffer out for next opt_file pass.
343 ENDPROCEDURE; !generate_option_file
346 PROCEDURE recursive_fetch_tag( tag_n, punct )
348 ! Look up TAG_N, copy it to OPT_FILE_BUF, and then translate any $(...)
349 ! definitions that appear. The translation is put at the current point.
351 LOCAL mark1, mark2, range1, tag_range, tag_string;
353 fetch_tag (tag_n, punct);
354 ! Substitute any makefile symbols $(...).
355 POSITION (BEGINNING_OF (CURRENT_BUFFER));
357 range1 := SEARCH_QUIETLY ("$(" &
358 SPAN("abcdefghijklmnopqrstuvwxyz_ABCDEFGHIJKLMNOPQRSTUVWXYZ#~0123456789")
359 & ")", FORWARD, EXACT);
361 POSITION (BEGINNING_OF (range1));
362 MOVE_HORIZONTAL (2); ! Past opening "$(".
363 mark1 := MARK (NONE);
364 POSITION (END_OF (range1));
365 MOVE_HORIZONTAL (-1); ! In front of closing ")".
366 mark2 := MARK (NONE);
367 tag_range := CREATE_RANGE (mark1, mark2, NONE);
368 POSITION (END_OF (range1));
369 tag_string := STR (tag_range);
371 fetch_tag (tag_string, "=");
372 POSITION (BEGINNING_OF (CURRENT_BUFFER));
374 ENDPROCEDURE; !recursive_fetch_tag
377 PROCEDURE fetch_tag( tag_n, punct )
379 ! Looks up the translation of a tag, and inserts it at the current location
382 LOCAL mark0, mark1, mark2, range2;
384 mark0 := MARK (NONE); ! Remember where we started; restore before return.
385 POSITION (BEGINNING_OF (makefile_buf));
386 ! The tag definition always starts in the first column, and might have
387 ! optional space(es) before "=" or ":" punctuation.
388 range2 := SEARCH_QUIETLY (LINE_BEGIN & tag_n & ((SPAN(" ") & punct) | punct),
394 POSITION (END_OF (range2));
395 MOVE_HORIZONTAL (1); ! Move beyond "TAG=".
396 mark1 := MARK (NONE);
397 POSITION (BEGINNING_OF (range2));
400 MOVE_HORIZONTAL (-2);
401 EXITIF (CURRENT_CHARACTER <> "\");
406 mark2 := MARK (NONE);
407 range2 := CREATE_RANGE (mark1, mark2, NONE);
409 IF (LENGTH (range2) <> 0) THEN
412 ENDPROCEDURE; !fetch_tag
415 PROCEDURE pat_replace( oldstring, newstring )
417 ! Replace all occurrences of a pattern.
419 LOCAL range1, range2, kill_it, count;
422 kill_it := (GET_INFO (newstring, 'TYPE') = UNSPECIFIED); ! Omitted arg.
423 range1 := CREATE_RANGE (BEGINNING_OF (CURRENT_BUFFER),
424 END_OF (CURRENT_BUFFER), NONE);
426 range2 := SEARCH_QUIETLY (oldstring, FORWARD, EXACT, range1);
429 POSITION (BEGINNING_OF (range2));
431 IF (newstring = LINE_END) THEN
433 ELSE IF (NOT kill_it) THEN
434 COPY_TEXT (newstring);
436 MODIFY_RANGE (range1, MARK (NONE), END_OF (range1));
439 ENDPROCEDURE; !pat_replace
443 ! This is the main routine.
446 process_objc_lib (); !this uses a different makefile
447 QUIT; ! All done; don't write any modified buffers.
451 $! Remove excessive versions of the option files...
457 $ if f$search("config.status") .nes. "" then delete config.status.*
458 $ create config.status
459 $ open/append ifile$ config.status
460 $ write ifile$ "Links are now set up for use with a ''arch' running VMS."
468 $! Construct a header file based on subdirectory contents
470 $make_lang_incl: subroutine
471 $ if f$search(p1).nes."" then delete 'p1';*
472 $ create 'p1' !empty file with ordinary text-file attributes
473 $ open/Append ifile$ 'p1'
474 $ write ifile$ "/* ''p1' */"
475 $ hfile = f$search("[]''p1'")
476 $ topdir = f$parse(hfile,,,"DIRECTORY") - "]"
478 $ hfile = f$search("[.*]lang-''p1'")
479 $ if hfile.eqs."" then goto lang_incl_done
480 $ dir = f$parse(hfile,,,"DIRECTORY") - "]"
481 $! convert absolute path to relative one, yielding "[.subdir]"
482 $ dir = "[" + f$edit(dir - topdir,"LOWERCASE") + "]"
483 $ write ifile$ "#include ""''dir'lang-''p1'"""
484 $ goto lang_incl_loop
487 $ echo "Created `''p1''."
488 $ endsubroutine !make_lang_incl