/* * Copyright (c) 1993, 19801990 * The Regents of the University of California. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the University of * California, Berkeley and its contributors. * 4. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ #ifndef lint #if 0 static char sccsid[] = "@(#)mkmakefile.c 8.1 (Berkeley) 6/6/93"; #endif static const char rcsid[] = "$Id: mkmakefile.c,v 1.22 1997/09/15 06:37:09 charnier Exp $"; #endif /* not lint */ /* * Build the makefile for the system, from * the information in the files files and the * additional files for the machine being compiled to. */ #include #include #include #include #include "y.tab.h" #include "config.h" #include "configvers.h" #define next_word(fp, wd) \ { register char *word = get_word(fp); \ if (word == (char *)EOF) \ return; \ else \ wd = word; \ } #define next_quoted_word(fp, wd) \ { register char *word = get_quoted_word(fp); \ if (word == (char *)EOF) \ return; \ else \ wd = word; \ } #define ns(s) strdup(s) static struct file_list *fcur; char *tail(); extern int old_config_present; void do_swapspec __P((FILE *, char *)); void do_clean __P((FILE *)); void do_load __P((FILE *)); void do_rules __P((FILE *)); void do_sfiles __P((FILE *)); void do_cfiles __P((FILE *)); void do_objs __P((FILE *)); void do_before_depend __P((FILE *)); int opteq __P((char *, char *)); void read_files __P((void)); void makefile __P((void)); /* * Lookup a file, by name. */ struct file_list * fl_lookup(file) register char *file; { register struct file_list *fp; for (fp = ftab ; fp != 0; fp = fp->f_next) { if (eq(fp->f_fn, file)) return (fp); } return (0); } /* * Lookup a file, by final component name. */ struct file_list * fltail_lookup(file) register char *file; { register struct file_list *fp; for (fp = ftab ; fp != 0; fp = fp->f_next) { if (eq(tail(fp->f_fn), tail(file))) return (fp); } return (0); } /* * Make a new file list entry */ struct file_list * new_fent() { register struct file_list *fp; fp = (struct file_list *) malloc(sizeof *fp); bzero(fp, sizeof *fp); if (fcur == 0) fcur = ftab = fp; else fcur->f_next = fp; fcur = fp; return (fp); } static struct users { int u_default; int u_min; int u_max; } users[] = { { 8, 2, 512 }, /* MACHINE_VAX */ { 8, 2, 512 }, /* MACHINE_TAHOE */ { 8, 2, 512 }, /* MACHINE_HP300 */ { 8, 2, 512 }, /* MACHINE_I386 */ { 8, 2, 512 }, /* MACHINE_MIPS */ { 8, 2, 512 }, /* MACHINE_PMAX */ { 8, 2, 512 }, /* MACHINE_LUNA68K */ { 8, 2, 512 }, /* MACHINE_NEWS3400 */ }; #define NUSERS (sizeof (users) / sizeof (users[0])) /* * Build the makefile from the skeleton */ void makefile() { FILE *ifp, *ofp; char line[BUFSIZ]; struct opt *op; struct users *up; int warn_make_clean = 0; int versreq; read_files(); strcpy(line, "Makefile."); (void) strcat(line, machinename); ifp = fopen(line, "r"); if (ifp == 0) err(1, "%s", line); ofp = fopen(path("Makefile.new"), "w"); if (ofp == 0) err(1, "%s", path("Makefile.new")); fprintf(ofp, "KERN_IDENT=%s\n", raise(ident)); fprintf(ofp, "IDENT="); if (profiling) fprintf(ofp, " -DGPROF"); if (cputype == 0) { printf("cpu type must be specified\n"); exit(1); } #if 0 /* XXX: moved to cputype.h */ { struct cputype *cp; for (cp = cputype; cp; cp = cp->cpu_next) fprintf(ofp, " -D%s", cp->cpu_name); } #endif for (op = opt; op; op = op->op_next) { if (!op->op_ownfile) { warn_make_clean++; if (op->op_value) fprintf(ofp, " -D%s=%s", op->op_name, op->op_value); else fprintf(ofp, " -D%s", op->op_name); } } fprintf(ofp, "\n"); if ((unsigned)machine > NUSERS) { printf("maxusers config info isn't present, using vax\n"); up = &users[MACHINE_VAX-1]; } else up = &users[machine-1]; if (maxusers == 0) { printf("maxusers not specified; %d assumed\n", up->u_default); maxusers = up->u_default; } else if (maxusers < up->u_min) { printf("minimum of %d maxusers assumed\n", up->u_min); maxusers = up->u_min; } else if (maxusers > up->u_max) printf("warning: maxusers > %d (%d)\n", up->u_max, maxusers); fprintf(ofp, "PARAM=-DMAXUSERS=%d\n", maxusers); if (loadaddress != -1) { fprintf(ofp, "LOAD_ADDRESS=%X\n", loadaddress); } for (op = mkopt; op; op = op->op_next) fprintf(ofp, "%s=%s\n", op->op_name, op->op_value); if (debugging) fprintf(ofp, "DEBUG=-g\n"); if (profiling) { fprintf(ofp, "PROF=-pg\n"); fprintf(ofp, "PROFLEVEL=%d\n", profiling); } while (fgets(line, BUFSIZ, ifp) != 0) { if (*line != '%') { fprintf(ofp, "%s", line); continue; } if (eq(line, "%BEFORE_DEPEND\n")) do_before_depend(ofp); else if (eq(line, "%OBJS\n")) do_objs(ofp); else if (eq(line, "%CFILES\n")) do_cfiles(ofp); else if (eq(line, "%SFILES\n")) do_sfiles(ofp); else if (eq(line, "%RULES\n")) do_rules(ofp); else if (eq(line, "%LOAD\n")) do_load(ofp); else if (eq(line, "%CLEAN\n")) do_clean(ofp); else if (strncmp(line, "%VERSREQ=", sizeof("%VERSREQ=") - 1) == 0) { versreq = atoi(line + sizeof("%VERSREQ=") - 1); if (versreq != CONFIGVERS) { fprintf(stderr, "WARNING: version of config(8) does not match kernel!\n"); fprintf(stderr, "config version = %d, ", CONFIGVERS); fprintf(stderr, "version required = %d\n", versreq); } } else fprintf(stderr, "Unknown %% construct in generic makefile: %s", line); } (void) fclose(ifp); (void) fclose(ofp); moveifchanged(path("Makefile.new"), path("Makefile")); #ifdef notyet if (warn_make_clean) { printf("WARNING: Unknown options used (not in ../../conf/options or ./options.%s).\n", machinename); if (old_config_present) { printf("It is VERY important that you do a ``make clean'' before recompiling!\n"); } } printf("Don't forget to do a ``make depend''\n"); #endif } /* * Read in the information about files used in making the system. * Store it in the ftab linked list. */ void read_files() { FILE *fp; register struct file_list *tp, *pf; register struct device *dp; struct device *save_dp; register struct opt *op; char *wd, *this, *needs, *special, *depends, *clean; char fname[80]; int nreqs, first = 1, configdep, isdup, std, filetype, imp_rule, no_obj, before_depend; ftab = 0; (void) snprintf(fname, sizeof fname, "../../conf/files"); openit: fp = fopen(fname, "r"); if (fp == 0) err(1, "%s", fname); if(ident == NULL) { printf("no ident line specified\n"); exit(1); } next: /* * filename [ standard | optional ] [ config-dependent ] * [ dev* | profiling-routine ] [ device-driver] [ no-obj ] * [ compile-with "compile rule" [no-implicit-rule] ] * [ dependency "dependency-list"] [ before-depend ] * [ clean "file-list"] */ wd = get_word(fp); if (wd == (char *)EOF) { (void) fclose(fp); if (first == 1) { (void) snprintf(fname, sizeof fname, "files.%s", machinename); first++; goto openit; } if (first == 2) { (void) snprintf(fname, sizeof fname, "files.%s", raise(ident)); first++; fp = fopen(fname, "r"); if (fp != 0) goto next; } return; } if (wd == 0) goto next; /*************************************************\ * If it's a comment ignore to the end of the line * \*************************************************/ if(wd[0] == '#') { while( ((wd = get_word(fp)) != (char *)EOF) && wd) ; goto next; } this = ns(wd); next_word(fp, wd); if (wd == 0) { printf("%s: No type for %s.\n", fname, this); exit(1); } if ((pf = fl_lookup(this)) && (pf->f_type != INVISIBLE || pf->f_flags)) isdup = 1; else isdup = 0; tp = 0; if (first == 3 && (tp = fltail_lookup(this)) != 0) printf("%s: Local file %s overrides %s.\n", fname, this, tp->f_fn); nreqs = 0; special = 0; depends = 0; clean = 0; configdep = 0; needs = 0; std = 0; imp_rule = 0; no_obj = 0; before_depend = 0; filetype = NORMAL; if (eq(wd, "standard")) std = 1; else if (!eq(wd, "optional")) { printf("%s: %s must be optional or standard\n", fname, this); exit(1); } nextparam: next_word(fp, wd); if (wd == 0) goto doneparam; if (eq(wd, "config-dependent")) { configdep++; goto nextparam; } if (eq(wd, "no-obj")) { no_obj++; goto nextparam; } if (eq(wd, "no-implicit-rule")) { if (special == 0) { printf("%s: alternate rule required when " "\"no-implicit-rule\" is specified.\n", fname); } imp_rule++; goto nextparam; } if (eq(wd, "before-depend")) { before_depend++; goto nextparam; } if (eq(wd, "dependency")) { next_quoted_word(fp, wd); if (wd == 0) { printf("%s: %s missing compile command string.\n", fname, this); exit(1); } depends = ns(wd); goto nextparam; } if (eq(wd, "clean")) { next_quoted_word(fp, wd); if (wd == 0) { printf("%s: %s missing clean file list.\n", fname, this); exit(1); } clean = ns(wd); goto nextparam; } if (eq(wd, "compile-with")) { next_quoted_word(fp, wd); if (wd == 0) { printf("%s: %s missing compile command string.\n", fname, this); exit(1); } special = ns(wd); goto nextparam; } nreqs++; if (eq(wd, "device-driver")) { filetype = DRIVER; goto nextparam; } if (eq(wd, "profiling-routine")) { filetype = PROFILING; goto nextparam; } if (needs == 0 && nreqs == 1) needs = ns(wd); if (isdup) goto invis; for (dp = dtab; dp != 0; save_dp = dp, dp = dp->d_next) if (eq(dp->d_name, wd)) { if (std && dp->d_type == PSEUDO_DEVICE && dp->d_slave <= 0) dp->d_slave = 1; goto nextparam; } if (std) { dp = (struct device *) malloc(sizeof *dp); bzero(dp, sizeof *dp); init_dev(dp); dp->d_name = ns(wd); dp->d_type = PSEUDO_DEVICE; dp->d_slave = 1; save_dp->d_next = dp; goto nextparam; } for (op = opt; op != 0; op = op->op_next) if (op->op_value == 0 && opteq(op->op_name, wd)) { if (nreqs == 1) { free(needs); needs = 0; } goto nextparam; } invis: while ((wd = get_word(fp)) != 0) ; if (tp == 0) tp = new_fent(); tp->f_fn = this; tp->f_type = INVISIBLE; tp->f_needs = needs; tp->f_flags = isdup; tp->f_special = special; tp->f_depends = depends; tp->f_clean = clean; goto next; doneparam: if (std == 0 && nreqs == 0) { printf("%s: what is %s optional on?\n", fname, this); exit(1); } save: if (wd) { printf("%s: syntax error describing %s\n", fname, this); exit(1); } if (filetype == PROFILING && profiling == 0) goto next; if (tp == 0) tp = new_fent(); tp->f_fn = this; tp->f_type = filetype; tp->f_flags = 0; if (configdep) tp->f_flags |= CONFIGDEP; if (imp_rule) tp->f_flags |= NO_IMPLCT_RULE; if (no_obj) tp->f_flags |= NO_OBJ; if (before_depend) tp->f_flags |= BEFORE_DEPEND; if (imp_rule) tp->f_flags |= NO_IMPLCT_RULE; if (no_obj) tp->f_flags |= NO_OBJ; tp->f_needs = needs; tp->f_special = special; tp->f_depends = depends; tp->f_clean = clean; if (pf && pf->f_type == INVISIBLE) pf->f_flags = 1; /* mark as duplicate */ goto next; } int opteq(cp, dp) char *cp, *dp; { char c, d; for (; ; cp++, dp++) { if (*cp != *dp) { c = isupper(*cp) ? tolower(*cp) : *cp; d = isupper(*dp) ? tolower(*dp) : *dp; if (c != d) return (0); } if (*cp == 0) return (1); } } void do_before_depend(fp) FILE *fp; { register struct file_list *tp; register int lpos, len; fputs("BEFORE_DEPEND=", fp); lpos = 15; for (tp = ftab; tp; tp = tp->f_next) if (tp->f_flags & BEFORE_DEPEND) { len = strlen(tp->f_fn); if ((len = 3 + len) + lpos > 72) { lpos = 8; fputs("\\\n\t", fp); } if (tp->f_flags & NO_IMPLCT_RULE) fprintf(fp, "%s ", tp->f_fn); else fprintf(fp, "$S/%s ", tp->f_fn); lpos += len + 1; } if (lpos != 8) putc('\n', fp); } void do_objs(fp) FILE *fp; { register struct file_list *tp, *fl; register int lpos, len; register char *cp, och, *sp; char swapname[32]; fprintf(fp, "OBJS="); lpos = 6; for (tp = ftab; tp != 0; tp = tp->f_next) { if (tp->f_type == INVISIBLE || tp->f_flags & NO_OBJ) continue; sp = tail(tp->f_fn); for (fl = conf_list; fl; fl = fl->f_next) { if (fl->f_type != SWAPSPEC) continue; (void) sprintf(swapname, "swap%s.c", fl->f_fn); if (eq(sp, swapname)) goto cont; } cp = sp + (len = strlen(sp)) - 1; och = *cp; *cp = 'o'; if (len + lpos > 72) { lpos = 8; fprintf(fp, "\\\n\t"); } fprintf(fp, "%s ", sp); lpos += len + 1; *cp = och; cont: ; } if (lpos != 8) putc('\n', fp); } void do_cfiles(fp) FILE *fp; { register struct file_list *tp, *fl; register int lpos, len; char swapname[32]; fputs("CFILES=", fp); lpos = 8; for (tp = ftab; tp; tp = tp->f_next) if (tp->f_type != INVISIBLE) { len = strlen(tp->f_fn); if (tp->f_fn[len - 1] != 'c') continue; if ((len = 3 + len) + lpos > 72) { lpos = 8; fputs("\\\n\t", fp); } fprintf(fp, "$S/%s ", tp->f_fn); lpos += len + 1; } for (fl = conf_list; fl; fl = fl->f_next) if (fl->f_type == SYSTEMSPEC) { (void) sprintf(swapname, "swap%s.c", fl->f_fn); if ((len = 3 + strlen(swapname)) + lpos > 72) { lpos = 8; fputs("\\\n\t", fp); } if (eq(fl->f_fn, "generic")) fprintf(fp, "$S/%s/%s/%s ", machinename, machinename, swapname); else fprintf(fp, "%s ", swapname); lpos += len + 1; } if (lpos != 8) putc('\n', fp); } void do_sfiles(fp) FILE *fp; { register struct file_list *tp; register int lpos, len; fputs("SFILES=", fp); lpos = 8; for (tp = ftab; tp; tp = tp->f_next) if (tp->f_type != INVISIBLE) { len = strlen(tp->f_fn); if (tp->f_fn[len - 1] != 'S' && tp->f_fn[len - 1] != 's') continue; if ((len = 3 + len) + lpos > 72) { lpos = 8; fputs("\\\n\t", fp); } fprintf(fp, "$S/%s ", tp->f_fn); lpos += len + 1; } if (lpos != 8) putc('\n', fp); } char * tail(fn) char *fn; { register char *cp; cp = rindex(fn, '/'); if (cp == 0) return (fn); return (cp+1); } /* * Create the makerules for each file * which is part of the system. * Devices are processed with the special c2 option -i * which avoids any problem areas with i/o addressing * (e.g. for the VAX); assembler files are processed by as. */ void do_rules(f) FILE *f; { register char *cp, *np, och, *tp; register struct file_list *ftp; char *special; for (ftp = ftab; ftp != 0; ftp = ftp->f_next) { if (ftp->f_type == INVISIBLE) continue; cp = (np = ftp->f_fn) + strlen(ftp->f_fn) - 1; och = *cp; if (ftp->f_flags & NO_IMPLCT_RULE) { if (ftp->f_depends) fprintf(f, "%s: %s\n", np, ftp->f_depends ); else fprintf(f, "%s: \n", np ); } else { *cp = '\0'; if (och == 'o') { fprintf(f, "%so:\n\t-cp $S/%so .\n\n", tail(np), np); continue; } if (ftp->f_depends) fprintf(f, "%so: $S/%s%c %s\n", tail(np), np, och, ftp->f_depends); else fprintf(f, "%so: $S/%s%c\n", tail(np), np, och); } tp = tail(np); special = ftp->f_special; if (special == 0) { char *ftype; static char cmd[128]; switch (ftp->f_type) { case NORMAL: ftype = "NORMAL"; break; case DRIVER: ftype = "DRIVER"; break; case PROFILING: if (!profiling) continue; ftype = "PROFILE"; break; default: printf("config: don't know rules for %s\n", np); break; } (void)sprintf(cmd, "${%s_%c%s}", ftype, toupper(och), ftp->f_flags & CONFIGDEP? "_C" : ""); special = cmd; } *cp = och; fprintf(f, "\t%s\n\n", special); } } /* * Create the load strings */ void do_load(f) register FILE *f; { register struct file_list *fl; register int first; struct file_list *do_systemspec(); for (first = 1, fl = conf_list; fl; first = 0) fl = fl->f_type == SYSTEMSPEC ? do_systemspec(f, fl, first) : fl->f_next; fputs("all:", f); for (fl = conf_list; fl; fl = fl->f_next) if (fl->f_type == SYSTEMSPEC) fprintf(f, " %s", fl->f_needs); putc('\n', f); } void do_clean(fp) FILE *fp; { register struct file_list *tp; register int lpos, len; fputs("CLEAN=", fp); lpos = 7; for (tp = ftab; tp; tp = tp->f_next) if (tp->f_clean) { len = strlen(tp->f_clean); if (len + lpos > 72) { lpos = 8; fputs("\\\n\t", fp); } fprintf(fp, "%s ", tp->f_clean); lpos += len + 1; } if (lpos != 8) putc('\n', fp); } struct file_list * do_systemspec(f, fl, first) FILE *f; register struct file_list *fl; int first; { fprintf(f, "%s: ${SYSTEM_DEP} swap%s.o", fl->f_needs, fl->f_fn); if (first) fprintf(f, " vers.o"); fprintf(f, "\n\t${SYSTEM_LD_HEAD}\n"); fprintf(f, "\t${SYSTEM_LD} swap%s.o\n", fl->f_fn); fprintf(f, "\t${SYSTEM_LD_TAIL}\n\n"); do_swapspec(f, fl->f_fn); for (fl = fl->f_next; fl; fl = fl->f_next) if (fl->f_type != SWAPSPEC) break; return (fl); } void do_swapspec(f, name) FILE *f; register char *name; { if (!eq(name, "generic")) fprintf(f, "swap%s.o: swap%s.c\n", name, name); else fprintf(f, "swapgeneric.o: $S/%s/%s/swapgeneric.c\n", machinename, machinename); fprintf(f, "\t${NORMAL_C}\n\n"); } char * raise(str) register char *str; { register char *cp = str; while (*str) { if (islower(*str)) *str = toupper(*str); str++; } return (cp); }