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Up to [Power 6/32 Unix Tahoe 4.2BSD] / cci / usr / src / etc / config|
Return to mkmakefile.c CVS log | Up to [Power 6/32 Unix Tahoe 4.2BSD] / cci / usr / src / etc / config |
1.1 root 1: #ifndef lint
2: static char sccsid[] = "@(#)mkmakefile.c 1.30 (Berkeley) 8/11/83";
3: #endif
4:
5: /*
6: * Build the makefile for the system, from
7: * the information in the files files and the
8: * additional files for the machine being compiled to.
9: */
10:
11: #include <stdio.h>
12: #include <ctype.h>
13: #include "y.tab.h"
14: #include "config.h"
15:
16: #define next_word(fp, wd) \
17: { register char *word = get_word(fp); \
18: if (word == (char *)EOF) \
19: return; \
20: else \
21: wd = word; \
22: }
23:
24: static struct file_list *fcur;
25: char *tail();
26:
27: /*
28: * Lookup a file, by make.
29: */
30: struct file_list *
31: fl_lookup(file)
32: register char *file;
33: {
34: register struct file_list *fp;
35:
36: for (fp = ftab ; fp != 0; fp = fp->f_next) {
37: if (eq(fp->f_fn, file))
38: return (fp);
39: }
40: return (0);
41: }
42:
43: /*
44: * Lookup a file, by final component name.
45: */
46: struct file_list *
47: fltail_lookup(file)
48: register char *file;
49: {
50: register struct file_list *fp;
51:
52: for (fp = ftab ; fp != 0; fp = fp->f_next) {
53: if (eq(tail(fp->f_fn), tail(file)))
54: return (fp);
55: }
56: return (0);
57: }
58:
59: /*
60: * Make a new file list entry
61: */
62: struct file_list *
63: new_fent()
64: {
65: register struct file_list *fp;
66:
67: fp = (struct file_list *) malloc(sizeof *fp);
68: fp->f_needs = 0;
69: fp->f_next = 0;
70: fp->f_flags = 0;
71: fp->f_type = 0;
72: if (fcur == 0)
73: fcur = ftab = fp;
74: else
75: fcur->f_next = fp;
76: fcur = fp;
77: return (fp);
78: }
79:
80: char *COPTS;
81:
82: /*
83: * Build the makefile from the skeleton
84: */
85: makefile()
86: {
87: FILE *ifp, *ofp;
88: char line[BUFSIZ];
89: struct opt *op;
90:
91: read_files();
92: strcpy(line, "../conf/makefile.");
93: (void) strcat(line, machinename);
94: ifp = fopen(line, "r");
95: if (ifp == 0) {
96: perror(line);
97: exit(1);
98: }
99: ofp = fopen(path("makefile"), "w");
100: if (ofp == 0) {
101: perror(path("makefile"));
102: exit(1);
103: }
104: fprintf(ofp, "IDENT=-D%s", raise(ident));
105: if (profiling)
106: fprintf(ofp, " -DGPROF");
107: if (cputype == 0) {
108: printf("cpu type must be specified\n");
109: exit(1);
110: }
111: { struct cputype *cp;
112: for (cp = cputype; cp; cp = cp->cpu_next)
113: fprintf(ofp, " -D%s", cp->cpu_name);
114: }
115: for (op = opt; op; op = op->op_next)
116: if (op->op_value)
117: fprintf(ofp, " -D%s=\"%s\"", op->op_name, op->op_value);
118: else
119: fprintf(ofp, " -D%s", op->op_name);
120: #ifdef tahoe
121: if (maxusers >= 30)
122: fprintf(ofp, " -DGLOBKEY" );
123: #endif
124: fprintf(ofp, "\n");
125: if (hadtz == 0)
126: printf("timezone not specified; gmt assumed\n");
127: #ifdef tahoe
128: if (maxusers == 0) {
129: printf("maxusers not specified; 4 assumed\n");
130: maxusers = 4;
131: } else if (maxusers < 2) {
132: printf("minimum of 2 maxusers assumed\n");
133: maxusers = 2;
134: } else if (maxusers > 128) {
135: printf("maxusers truncated to 128\n");
136: maxusers = 128;
137: }
138: #endif
139: #ifdef vax
140: if (maxusers == 0) {
141: printf("maxusers not specified; 24 assumed\n");
142: maxusers = 24;
143: } else if (maxusers < 8) {
144: printf("minimum of 8 maxusers assumed\n");
145: maxusers = 8;
146: } else if (maxusers > 128) {
147: printf("maxusers truncated to 128\n");
148: maxusers = 128;
149: }
150: #endif
151: #ifdef sun
152: if (maxusers == 0) {
153: printf("maxusers not specified; 8 assumed\n");
154: maxusers = 8;
155: } else if (maxusers < 2) {
156: printf("minimum of 2 maxusers assumed\n");
157: maxusers = 2;
158: } else if (maxusers > 32) {
159: printf("maxusers truncated to 32\n");
160: maxusers = 32;
161: }
162: #endif
163: fprintf(ofp, "PARAM=-DHZ=%d -DTIMEZONE=%d -DDST=%d -DMAXUSERS=%d\n",
164: hz,timezone, dst, maxusers);
165: while (fgets(line, BUFSIZ, ifp) != 0) {
166: if (*line == '%')
167: goto percent;
168: if (profiling && strncmp(line, "COPTS=", 6) == 0) {
169: register char *cp;
170:
171: fprintf(ofp,
172: "GPROF.EX=/usr/src/lib/libc/%s/csu/gmon.ex\n",
173: machinename);
174: cp = index(line, '\n');
175: if (cp)
176: *cp = 0;
177: cp = line + 6;
178: while (*cp && (*cp == ' ' || *cp == '\t'))
179: cp++;
180: COPTS = malloc((unsigned)(strlen(cp) + 1));
181: if (COPTS == 0) {
182: printf("config: out of memory\n");
183: exit(1);
184: }
185: strcpy(COPTS, cp);
186: fprintf(ofp, "%s -pg\n", line);
187: continue;
188: }
189: fprintf(ofp, "%s", line);
190: continue;
191: percent:
192: if (eq(line, "%OBJS\n"))
193: do_objs(ofp);
194: else if (eq(line, "%CFILES\n"))
195: do_cfiles(ofp);
196: else if (eq(line, "%RULES\n"))
197: do_rules(ofp);
198: else if (eq(line, "%LOAD\n"))
199: do_load(ofp);
200: else
201: fprintf(stderr,
202: "Unknown %% construct in generic makefile: %s",
203: line);
204: }
205: (void) fclose(ifp);
206: (void) fclose(ofp);
207: }
208:
209: /*
210: * Read in the information about files used in making the system.
211: * Store it in the ftab linked list.
212: */
213: read_files()
214: {
215: FILE *fp;
216: register struct file_list *tp;
217: register struct device *dp;
218: char *wd, *this, *needs, *devorprof;
219: char fname[32];
220: int nreqs, first = 1, configdep;
221:
222: ftab = 0;
223: (void) strcpy(fname, "files");
224: openit:
225: fp = fopen(fname, "r");
226: if (fp == 0) {
227: perror(fname);
228: exit(1);
229: }
230: next:
231: /*
232: * filename [ standard | optional ] [ config-dependent ]
233: * [ dev* | profiling-routine ] [ device-driver]
234: */
235: wd = get_word(fp);
236: if (wd == (char *)EOF) {
237: (void) fclose(fp);
238: if (first == 1) {
239: (void) sprintf(fname, "files.%s", machinename);
240: first++;
241: goto openit;
242: }
243: if (first == 2) {
244: (void) sprintf(fname, "files.%s", raise(ident));
245: first++;
246: fp = fopen(fname, "r");
247: if (fp != 0)
248: goto next;
249: }
250: return;
251: }
252: if (wd == 0)
253: goto next;
254: this = ns(wd);
255: next_word(fp, wd);
256: if (wd == 0) {
257: printf("%s: No type for %s.\n",
258: fname, this);
259: exit(1);
260: }
261: if (fl_lookup(this)) {
262: printf("%s: Duplicate file %s.\n",
263: fname, this);
264: exit(1);
265: }
266: tp = 0;
267: if (first == 3 && (tp = fltail_lookup(this)) != 0)
268: printf("%s: Local file %s overrides %s.\n",
269: fname, this, tp->f_fn);
270: nreqs = 0;
271: devorprof = "";
272: configdep = 0;
273: needs = 0;
274: if (eq(wd, "standard"))
275: goto checkdev;
276: if (!eq(wd, "optional")) {
277: printf("%s: %s must be optional or standard\n", fname, this);
278: exit(1);
279: }
280: nextopt:
281: next_word(fp, wd);
282: if (wd == 0)
283: goto doneopt;
284: if (eq(wd, "config-dependent")) {
285: configdep++;
286: goto nextopt;
287: }
288: devorprof = wd;
289: if (eq(wd, "device-driver") || eq(wd, "profiling-routine")) {
290: next_word(fp, wd);
291: goto save;
292: }
293: nreqs++;
294: if (needs == 0)
295: needs = ns(wd);
296: for (dp = dtab; dp != 0; dp = dp->d_next)
297: if (eq(dp->d_name, wd))
298: goto nextopt;
299: while ((wd = get_word(fp)) != 0)
300: ;
301: if (tp == 0)
302: tp = new_fent();
303: tp->f_fn = this;
304: tp->f_type = INVISIBLE;
305: tp->f_needs = needs;
306: goto next;
307:
308: doneopt:
309: if (nreqs == 0) {
310: printf("%s: what is %s optional on?\n",
311: fname, this);
312: exit(1);
313: }
314:
315: checkdev:
316: if (wd) {
317: next_word(fp, wd);
318: if (wd) {
319: if (eq(wd, "config-dependent")) {
320: configdep++;
321: goto checkdev;
322: }
323: devorprof = wd;
324: next_word(fp, wd);
325: }
326: }
327:
328: save:
329: if (wd) {
330: printf("%s: syntax error describing %s\n",
331: fname, this);
332: exit(1);
333: }
334: if (eq(devorprof, "profiling-routine") && profiling == 0)
335: goto next;
336: if (tp == 0)
337: tp = new_fent();
338: tp->f_fn = this;
339: if (eq(devorprof, "device-driver"))
340: tp->f_type = DRIVER;
341: else if (eq(devorprof, "profiling-routine"))
342: tp->f_type = PROFILING;
343: else
344: tp->f_type = NORMAL;
345: tp->f_flags = 0;
346: if (configdep)
347: tp->f_flags |= CONFIGDEP;
348: tp->f_needs = needs;
349: goto next;
350: }
351:
352: do_objs(fp)
353: FILE *fp;
354: {
355: register struct file_list *tp, *fl;
356: register int lpos, len;
357: register char *cp, och, *sp;
358: char swapname[32];
359:
360: fprintf(fp, "OBJS=");
361: lpos = 6;
362: for (tp = ftab; tp != 0; tp = tp->f_next) {
363: if (tp->f_type == INVISIBLE)
364: continue;
365: sp = tail(tp->f_fn);
366: for (fl = conf_list; fl; fl = fl->f_next) {
367: if (fl->f_type != SWAPSPEC)
368: continue;
369: sprintf(swapname, "swap%s.c", fl->f_fn);
370: if (eq(sp, swapname))
371: goto cont;
372: }
373: cp = sp + (len = strlen(sp)) - 1;
374: och = *cp;
375: *cp = 'o';
376: if (len + lpos > 72) {
377: lpos = 8;
378: fprintf(fp, "\\\n\t");
379: }
380: fprintf(fp, "%s ", sp);
381: lpos += len + 1;
382: *cp = och;
383: cont:
384: ;
385: }
386: if (lpos != 8)
387: putc('\n', fp);
388: }
389:
390: do_cfiles(fp)
391: FILE *fp;
392: {
393: register struct file_list *tp;
394: register int lpos, len;
395:
396: fprintf(fp, "CFILES=");
397: lpos = 8;
398: for (tp = ftab; tp != 0; tp = tp->f_next) {
399: if (tp->f_type == INVISIBLE)
400: continue;
401: if (tp->f_fn[strlen(tp->f_fn)-1] != 'c')
402: continue;
403: if ((len = 3 + strlen(tp->f_fn)) + lpos > 72) {
404: lpos = 8;
405: fprintf(fp, "\\\n\t");
406: }
407: fprintf(fp, "../%s ", tp->f_fn);
408: lpos += len + 1;
409: }
410: if (lpos != 8)
411: putc('\n', fp);
412: }
413:
414: char *
415: tail(fn)
416: char *fn;
417: {
418: register char *cp;
419:
420: cp = rindex(fn, '/');
421: if (cp == 0)
422: return (fn);
423: return (cp+1);
424: }
425:
426: /*
427: * Create the makerules for each file
428: * which is part of the system.
429: * Devices are processed with the special c2 option -i
430: * which avoids any problem areas with i/o addressing
431: * (e.g. for the VAX); assembler files are processed by as.
432: */
433: do_rules(f)
434: FILE *f;
435: {
436: register char *cp, *np, och, *tp;
437: register struct file_list *ftp;
438: char *extras;
439:
440: for (ftp = ftab; ftp != 0; ftp = ftp->f_next) {
441: if (ftp->f_type == INVISIBLE)
442: continue;
443: cp = (np = ftp->f_fn) + strlen(ftp->f_fn) - 1;
444: och = *cp;
445: *cp = '\0';
446: fprintf(f, "%so: ../%s%c\n", tail(np), np, och);
447: tp = tail(np);
448: if (och == 's') {
449: fprintf(f, "\t${AS} -o %so ../%ss\n\n", tp, np);
450: continue;
451: }
452: if (och == 'x') {
453: fprintf(f, "\t/lib/cpp ../%sx | ${AS} -o %so\n", np, tp);
454: fprintf(f, "\t${LD} -x -r %so \n", tp);
455: fprintf(f, "\tmv a.out %so \n\n", tp);
456: continue;
457: }
458: if (ftp->f_flags & CONFIGDEP)
459: extras = "${PARAM} ";
460: else
461: extras = "";
462: switch (ftp->f_type) {
463:
464: case NORMAL:
465: switch (machine) {
466:
467: case MACHINE_VAX:
468: fprintf(f, "\t${CC} -I. -c -S ${COPTS} %s../%sc\n",
469: extras, np);
470: fprintf(f, "\t${C2} %ss | sed -f ../%s/asm.sed |",
471: tp, machinename);
472: fprintf(f, " ${AS} -o %so\n", tp);
473: fprintf(f, "\trm -f %ss\n\n", tp);
474: break;
475:
476: case MACHINE_SUN:
477: case MACHINE_TAHOE:
478: fprintf(f, "\t${CC} -I. -c -O ${COPTS} %s../%sc\n\n",
479: extras, np);
480: break;
481: }
482: break;
483:
484: case DRIVER:
485: switch (machine) {
486:
487: case MACHINE_VAX:
488: fprintf(f, "\t${CC} -I. -c -S ${COPTS} %s../%sc\n",
489: extras, np);
490: fprintf(f,"\t${C2} -i %ss | sed -f ../%s/asm.sed |",
491: tp, machinename);
492: fprintf(f, " ${AS} -o %so\n", tp);
493: fprintf(f, "\trm -f %ss\n\n", tp);
494: break;
495:
496: case MACHINE_SUN:
497: case MACHINE_TAHOE:
498: fprintf(f, "\t${CC} -I. -c -O ${COPTS} %s../%sc\n\n",
499: extras, np);
500: }
501: break;
502:
503: case PROFILING:
504: if (!profiling)
505: continue;
506: if (COPTS == 0) {
507: fprintf(stderr,
508: "config: COPTS undefined in generic makefile");
509: COPTS = "";
510: }
511: switch (machine) {
512:
513: case MACHINE_VAX:
514: fprintf(f, "\t${CC} -I. -c -S %s %s../%sc\n",
515: COPTS, extras, np);
516: fprintf(f, "\tex - %ss < ${GPROF.EX}\n", tp);
517: fprintf(f,
518: "\tsed -f ../vax/asm.sed %ss | ${AS} -o %so\n",
519: tp, tp);
520: fprintf(f, "\trm -f %ss\n\n", tp);
521: break;
522:
523: case MACHINE_TAHOE:
524: fprintf(f, "\t${CC} -I. -c -S %s %s../%sc\n",
525: COPTS, extras, np);
526: fprintf(f, "\tex - %ss < ${GPROF.EX}\n", tp);
527: fprintf(f, "\trm -f %ss\n\n", tp);
528: break;
529:
530: case MACHINE_SUN:
531: fprintf(stderr,
532: "config: don't know how to profile kernel on sun\n");
533: break;
534: }
535: break;
536:
537: default:
538: printf("Don't know rules for %s\n", np);
539: break;
540: }
541: *cp = och;
542: }
543: }
544:
545: /*
546: * Create the load strings
547: */
548: do_load(f)
549: register FILE *f;
550: {
551: register struct file_list *fl;
552: int first = 1;
553: struct file_list *do_systemspec();
554:
555: fl = conf_list;
556: while (fl) {
557: if (fl->f_type != SYSTEMSPEC) {
558: fl = fl->f_next;
559: continue;
560: }
561: fl = do_systemspec(f, fl, first);
562: if (first)
563: first = 0;
564: }
565: fprintf(f, "all:");
566: for (fl = conf_list; fl != 0; fl = fl->f_next)
567: if (fl->f_type == SYSTEMSPEC)
568: fprintf(f, " %s", fl->f_needs);
569: fprintf(f, "\n");
570: }
571:
572: struct file_list *
573: do_systemspec(f, fl, first)
574: FILE *f;
575: register struct file_list *fl;
576: int first;
577: {
578:
579: fprintf(f, "%s: makefile locore.o ${OBJS} param.o", fl->f_needs);
580: fprintf(f, " ioconf.o swap%s.o sys5_name.o ${LIBSYS}\n", fl->f_fn);
581: fprintf(f, "\t@echo loading %s\n\t@rm -f %s\n",
582: fl->f_needs, fl->f_needs);
583: if (first) {
584: fprintf(f, "\t@sh ../conf/newvers.sh\n");
585: fprintf(f, "\t@${CC} $(CFLAGS) -c vers.c\n");
586: }
587: switch (machine) {
588:
589: case MACHINE_TAHOE:
590: fprintf(f, "\t@${LD} -n -o %s -e start -x -T C0000800 ",
591: fl->f_needs);
592: break;
593:
594: case MACHINE_VAX:
595: fprintf(f, "\t@${LD} -n -o %s -e start -x -T 80000000 ",
596: fl->f_needs);
597: break;
598:
599: case MACHINE_SUN:
600: fprintf(f, "\t@${LD} -o %s -e start -x -T 4000 ",
601: fl->f_needs);
602: break;
603: }
604: fprintf(f, "locore.o ${OBJS} vers.o ioconf.o param.o ");
605: fprintf(f, "swap%s.o sys5_name.o ${LIBSYS}\n", fl->f_fn);
606: fprintf(f, "\t@echo rearranging symbols\n");
607: if ( machine == MACHINE_TAHOE)
608: fprintf(f, "\t@-symorder ../%s/symbols.sort %s\n",
609: "machine", fl->f_needs);
610: else
611: fprintf(f, "\t@-symorder ../%s/symbols.sort %s\n",
612: machinename, fl->f_needs);
613: fprintf(f, "\t@size %s\n", fl->f_needs);
614: fprintf(f, "\t@chmod 755 %s\n\n", fl->f_needs);
615: do_swapspec(f, fl->f_fn);
616: for (fl = fl->f_next; fl->f_type == SWAPSPEC; fl = fl->f_next)
617: ;
618: return (fl);
619: }
620:
621: do_swapspec(f, name)
622: FILE *f;
623: register char *name;
624: {
625:
626: if (!eq(name, "generic")) {
627: fprintf(f, "swap%s.o: swap%s.c\n", name, name);
628: fprintf(f, "\t${CC} -I. -c -O ${COPTS} swap%s.c\n\n", name);
629: return;
630: }
631: fprintf(f, "swapgeneric.o: ../%s/swapgeneric.c\n", machinename);
632: switch (machine) {
633:
634: case MACHINE_VAX:
635: fprintf(f, "\t${CC} -I. -c -S ${COPTS} ");
636: fprintf(f, "../%s/swapgeneric.c\n", machinename);
637: fprintf(f, "\t${C2} swapgeneric.s | sed -f ../%s/asm.sed",
638: machinename);
639: fprintf(f, " | ${AS} -o swapgeneric.o\n");
640: fprintf(f, "\trm -f swapgeneric.s\n\n");
641: break;
642:
643: case MACHINE_TAHOE:
644: case MACHINE_SUN:
645: fprintf(f, "\t${CC} -I. -c -O ${COPTS} ");
646: fprintf(f, "../%s/swapgeneric.c\n\n", machinename);
647: break;
648: }
649: }
650:
651: char *
652: raise(str)
653: register char *str;
654: {
655: register char *cp = str;
656:
657: while (*str) {
658: if (islower(*str))
659: *str = toupper(*str);
660: str++;
661: }
662: return (cp);
663: }
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