| 1 | /* |
| 2 | * Copyright (c) 1992 The Regents of the University of California. |
| 3 | * All rights reserved. |
| 4 | * |
| 5 | * This software was developed by the Computer Systems Engineering group |
| 6 | * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and |
| 7 | * contributed to Berkeley. |
| 8 | * |
| 9 | * All advertising materials mentioning features or use of this software |
| 10 | * must display the following acknowledgement: |
| 11 | * This product includes software developed by the University of |
| 12 | * California, Lawrence Berkeley Laboratories. |
| 13 | * |
| 14 | * %sccs.include.redist.c% |
| 15 | * |
| 16 | * @(#)mkmakefile.c 5.2 (Berkeley) %G% |
| 17 | */ |
| 18 | |
| 19 | #include <sys/param.h> |
| 20 | #include <ctype.h> |
| 21 | #include <errno.h> |
| 22 | #include <stdio.h> |
| 23 | #include <stdlib.h> |
| 24 | #include <string.h> |
| 25 | #include "config.h" |
| 26 | |
| 27 | /* |
| 28 | * Make the Makefile. |
| 29 | */ |
| 30 | |
| 31 | static int emitdefs __P((FILE *)); |
| 32 | static int emitobjs __P((FILE *)); |
| 33 | static int emitcfiles __P((FILE *)); |
| 34 | static int emitsfiles __P((FILE *)); |
| 35 | static int emitfiles __P((FILE *, int)); |
| 36 | static int emitrules __P((FILE *)); |
| 37 | static int emitload __P((FILE *)); |
| 38 | |
| 39 | int |
| 40 | mkmakefile() |
| 41 | { |
| 42 | register FILE *ifp, *ofp; |
| 43 | register int lineno; |
| 44 | register int (*fn) __P((FILE *)); |
| 45 | register char *ofname; |
| 46 | char line[BUFSIZ], ifname[200]; |
| 47 | |
| 48 | (void)sprintf(ifname, "Makefile.%s", machine); |
| 49 | if ((ifp = fopen(ifname, "r")) == NULL) { |
| 50 | (void)fprintf(stderr, "config: cannot read %s: %s\n", |
| 51 | ifname, strerror(errno)); |
| 52 | return (1); |
| 53 | } |
| 54 | ofname = path("Makefile"); |
| 55 | if ((ofp = fopen(ofname, "w")) == NULL) { |
| 56 | (void)fprintf(stderr, "config: cannot write %s: %s\n", |
| 57 | ofname, strerror(errno)); |
| 58 | free(ofname); |
| 59 | return (1); |
| 60 | } |
| 61 | if (emitdefs(ofp) != 0) |
| 62 | goto wrerror; |
| 63 | lineno = 0; |
| 64 | while (fgets(line, sizeof(line), ifp) != NULL) { |
| 65 | lineno++; |
| 66 | if (line[0] != '%') { |
| 67 | if (fputs(line, ofp) < 0) |
| 68 | goto wrerror; |
| 69 | continue; |
| 70 | } |
| 71 | if (strcmp(line, "%OBJS\n") == 0) |
| 72 | fn = emitobjs; |
| 73 | else if (strcmp(line, "%CFILES\n") == 0) |
| 74 | fn = emitcfiles; |
| 75 | else if (strcmp(line, "%SFILES\n") == 0) |
| 76 | fn = emitsfiles; |
| 77 | else if (strcmp(line, "%RULES\n") == 0) |
| 78 | fn = emitrules; |
| 79 | else if (strcmp(line, "%LOAD\n") == 0) |
| 80 | fn = emitload; |
| 81 | else { |
| 82 | xerror(ifname, lineno, |
| 83 | "unknown %% construct ignored: %s", line); |
| 84 | continue; |
| 85 | } |
| 86 | if ((*fn)(ofp)) |
| 87 | goto wrerror; |
| 88 | } |
| 89 | if (ferror(ifp)) { |
| 90 | (void)fprintf(stderr, |
| 91 | "config: error reading %s (at line %d): %s\n", |
| 92 | ifname, lineno, strerror(errno)); |
| 93 | goto bad; |
| 94 | /* (void)unlink(ofname); */ |
| 95 | free(ofname); |
| 96 | return (1); |
| 97 | } |
| 98 | if (fclose(ofp)) { |
| 99 | ofp = NULL; |
| 100 | goto wrerror; |
| 101 | } |
| 102 | (void)fclose(ifp); |
| 103 | free(ofname); |
| 104 | return (0); |
| 105 | wrerror: |
| 106 | (void)fprintf(stderr, "config: error writing %s: %s\n", |
| 107 | ofname, strerror(errno)); |
| 108 | bad: |
| 109 | if (ofp != NULL) |
| 110 | (void)fclose(ofp); |
| 111 | /* (void)unlink(ofname); */ |
| 112 | free(ofname); |
| 113 | return (1); |
| 114 | } |
| 115 | |
| 116 | static int |
| 117 | emitdefs(fp) |
| 118 | register FILE *fp; |
| 119 | { |
| 120 | register struct nvlist *nv; |
| 121 | register char *sp; |
| 122 | |
| 123 | if (fputs("IDENT=", fp) < 0) |
| 124 | return (1); |
| 125 | sp = ""; |
| 126 | for (nv = options; nv != NULL; nv = nv->nv_next) { |
| 127 | if (fprintf(fp, "%s-D%s%s%s", sp, nv->nv_name, |
| 128 | nv->nv_str ? "=" : "", nv->nv_str ? nv->nv_str : "") < 0) |
| 129 | return (1); |
| 130 | sp = " "; |
| 131 | } |
| 132 | if (putc('\n', fp) < 0) |
| 133 | return (1); |
| 134 | if (fprintf(fp, "PARAM=-DMAXUSERS=%d\n", maxusers) < 0) |
| 135 | return (1); |
| 136 | for (nv = mkoptions; nv != NULL; nv = nv->nv_next) |
| 137 | if (fprintf(fp, "%s=%s\n", nv->nv_name, nv->nv_str) < 0) |
| 138 | return (1); |
| 139 | return (0); |
| 140 | } |
| 141 | |
| 142 | static int |
| 143 | emitobjs(fp) |
| 144 | register FILE *fp; |
| 145 | { |
| 146 | register struct files *fi; |
| 147 | register int lpos, len, sp; |
| 148 | |
| 149 | if (fputs("OBJS=", fp) < 0) |
| 150 | return (1); |
| 151 | sp = '\t'; |
| 152 | lpos = 7; |
| 153 | for (fi = allfiles; fi != NULL; fi = fi->fi_next) { |
| 154 | if ((fi->fi_flags & FI_SEL) == 0) |
| 155 | continue; |
| 156 | len = strlen(fi->fi_base) + 2; |
| 157 | if (lpos + len > 72) { |
| 158 | if (fputs(" \\\n", fp) < 0) |
| 159 | return (1); |
| 160 | sp = '\t'; |
| 161 | lpos = 7; |
| 162 | } |
| 163 | if (fprintf(fp, "%c%s.o", sp, fi->fi_base) < 0) |
| 164 | return (1); |
| 165 | lpos += len + 1; |
| 166 | sp = ' '; |
| 167 | } |
| 168 | if (lpos != 7 && putc('\n', fp) < 0) |
| 169 | return (1); |
| 170 | return (0); |
| 171 | } |
| 172 | |
| 173 | static int |
| 174 | emitcfiles(fp) |
| 175 | FILE *fp; |
| 176 | { |
| 177 | |
| 178 | return (emitfiles(fp, 'c')); |
| 179 | } |
| 180 | |
| 181 | static int |
| 182 | emitsfiles(fp) |
| 183 | FILE *fp; |
| 184 | { |
| 185 | |
| 186 | return (emitfiles(fp, 's')); |
| 187 | } |
| 188 | |
| 189 | static int |
| 190 | emitfiles(fp, suffix) |
| 191 | register FILE *fp; |
| 192 | int suffix; |
| 193 | { |
| 194 | register struct files *fi; |
| 195 | register struct config *cf; |
| 196 | register int lpos, len, sp; |
| 197 | char swapname[100]; |
| 198 | |
| 199 | if (fprintf(fp, "%cFILES=", toupper(suffix)) < 0) |
| 200 | return (1); |
| 201 | sp = '\t'; |
| 202 | lpos = 7; |
| 203 | for (fi = allfiles; fi != NULL; fi = fi->fi_next) { |
| 204 | if ((fi->fi_flags & FI_SEL) == 0) |
| 205 | continue; |
| 206 | len = strlen(fi->fi_path); |
| 207 | if (fi->fi_path[len - 1] != suffix) |
| 208 | continue; |
| 209 | if (*fi->fi_path != '/') |
| 210 | len += 3; /* "$S/" */ |
| 211 | if (lpos + len > 72) { |
| 212 | if (fputs(" \\\n", fp) < 0) |
| 213 | return (1); |
| 214 | sp = '\t'; |
| 215 | lpos = 7; |
| 216 | } |
| 217 | if (fprintf(fp, "%c%s%s", sp, *fi->fi_path != '/' ? "$S/" : "", |
| 218 | fi->fi_path) < 0) |
| 219 | return (1); |
| 220 | lpos += len + 1; |
| 221 | sp = ' '; |
| 222 | } |
| 223 | for (cf = allcf; cf != NULL; cf = cf->cf_next) { |
| 224 | if (cf->cf_root == NULL) |
| 225 | (void)sprintf(swapname, "$S/%s/%s/swapgeneric.c", |
| 226 | machine, machine); |
| 227 | else |
| 228 | (void)sprintf(swapname, "swap%s.c", cf->cf_name); |
| 229 | len = strlen(swapname); |
| 230 | if (lpos + len > 72) { |
| 231 | if (fputs(" \\\n", fp) < 0) |
| 232 | return (1); |
| 233 | sp = '\t'; |
| 234 | lpos = 7; |
| 235 | } |
| 236 | if (fprintf(fp, "%c%s", sp, swapname) < 0) |
| 237 | return (1); |
| 238 | lpos += len + 1; |
| 239 | sp = ' '; |
| 240 | } |
| 241 | if (lpos != 7 && putc('\n', fp) < 0) |
| 242 | return (1); |
| 243 | return (0); |
| 244 | } |
| 245 | |
| 246 | /* |
| 247 | * Emit the make-rules. |
| 248 | */ |
| 249 | static int |
| 250 | emitrules(fp) |
| 251 | register FILE *fp; |
| 252 | { |
| 253 | register struct files *fi; |
| 254 | register const char *cp; |
| 255 | int ch; |
| 256 | char buf[200]; |
| 257 | |
| 258 | for (fi = allfiles; fi != NULL; fi = fi->fi_next) { |
| 259 | if ((fi->fi_flags & FI_SEL) == 0) |
| 260 | continue; |
| 261 | if (fprintf(fp, "%s.o: %s%s\n", fi->fi_base, |
| 262 | *fi->fi_path != '/' ? "$S/" : "", fi->fi_path) < 0) |
| 263 | return (1); |
| 264 | if ((cp = fi->fi_mkrule) == NULL) { |
| 265 | cp = fi->fi_flags & FI_DRIVER ? "DRIVER" : "NORMAL"; |
| 266 | ch = fi->fi_lastc; |
| 267 | if (islower(ch)) |
| 268 | ch = toupper(ch); |
| 269 | (void)sprintf(buf, "${%s_%c%s}", cp, ch, |
| 270 | fi->fi_flags & FI_CONFIGDEP ? "_C" : ""); |
| 271 | cp = buf; |
| 272 | } |
| 273 | if (fprintf(fp, "\t%s\n\n", cp) < 0) |
| 274 | return (1); |
| 275 | } |
| 276 | return (0); |
| 277 | } |
| 278 | |
| 279 | /* |
| 280 | * Emit the load commands. |
| 281 | * |
| 282 | * This function is not to be called `spurt'. |
| 283 | */ |
| 284 | static int |
| 285 | emitload(fp) |
| 286 | register FILE *fp; |
| 287 | { |
| 288 | register struct config *cf; |
| 289 | register const char *nm, *swname; |
| 290 | int first; |
| 291 | |
| 292 | if (fputs("all:", fp) < 0) |
| 293 | return (1); |
| 294 | for (cf = allcf; cf != NULL; cf = cf->cf_next) { |
| 295 | if (fprintf(fp, " %s", cf->cf_name) < 0) |
| 296 | return (1); |
| 297 | } |
| 298 | if (fputs("\n\n", fp) < 0) |
| 299 | return (1); |
| 300 | for (first = 1, cf = allcf; cf != NULL; cf = cf->cf_next) { |
| 301 | nm = cf->cf_name; |
| 302 | swname = cf->cf_root != NULL ? cf->cf_name : "generic"; |
| 303 | if (fprintf(fp, "%s: ${SYSTEM_DEP} swap%s.o", nm, swname) < 0) |
| 304 | return (1); |
| 305 | if (first) { |
| 306 | if (fputs(" newvers", fp) < 0) |
| 307 | return (1); |
| 308 | first = 0; |
| 309 | } |
| 310 | if (fprintf(fp, "\n\ |
| 311 | \t${SYSTEM_LD_HEAD}\n\ |
| 312 | \t${SYSTEM_LD} swap%s.o\n\ |
| 313 | \t${SYSTEM_LD_TAIL}\n\ |
| 314 | \n\ |
| 315 | swap%s.o: ", swname, swname) < 0) |
| 316 | return (1); |
| 317 | if (cf->cf_root != NULL) { |
| 318 | if (fprintf(fp, "swap%s.c\n", nm) < 0) |
| 319 | return (1); |
| 320 | } else { |
| 321 | if (fprintf(fp, "$S/%s/%s/swapgeneric.c\n", |
| 322 | machine, machine) < 0) |
| 323 | return (1); |
| 324 | } |
| 325 | if (fputs("\t${NORMAL_C}\n\n", fp) < 0) |
| 326 | return (1); |
| 327 | } |
| 328 | return (0); |
| 329 | } |