default.c

   1 /* Data base of default implicit rules for GNU Make.
   2 Copyright (C) 1988,89,90,91,92,93,94,95,96 Free Software Foundation, Inc.
   3 This file is part of GNU Make.
   4
   5 GNU Make is free software; you can redistribute it and/or modify
   6 it under the terms of the GNU General Public License as published by
   7 the Free Software Foundation; either version 2, or (at your option)
   8 any later version.
   9
  10 GNU Make is distributed in the hope that it will be useful,
  11 but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 GNU General Public License for more details.
  14
  15 You should have received a copy of the GNU General Public License
  16 along with GNU Make; see the file COPYING.  If not, write to
  17 the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  18 Boston, MA 02111-1307, USA.  */
  19
  20 #include "make.h"
  21 #include "rule.h"
  22 #include "dep.h"
  23 #include "filedef.h"
  24 #include "job.h"
  25 #include "commands.h"
  26 #include "variable.h"
  27
  28 /* Define GCC_IS_NATIVE if gcc is the native development environment on
  29    your system (gcc/bison/flex vs cc/yacc/lex).  */
  30 #ifdef __MSDOS__
  31 #define GCC_IS_NATIVE
  32 #endif
  33
  34
  35 /* This is the default list of suffixes for suffix rules.
  36    `.s' must come last, so that a `.o' file will be made from
  37    a `.c' or `.p' or ... file rather than from a .s file.  */
  38
  39 static char default_suffixes[]
  40 #ifdef VMS
  41   = ".exe .olb .ln .obj .c .cc .pas .p .for .f .r .y .l .mar \
  42 .mod .sym .def .h .info .dvi .tex .texinfo .texi .txinfo \
  43 .w .ch .cweb .web .com .sh .elc .el";
  44 #else
  45   = ".out .a .ln .o .c .cc .C .cpp .p .f .F .r .y .l .s .S \
  46 .mod .sym .def .h .info .dvi .tex .texinfo .texi .txinfo \
  47 .w .ch .web .sh .elc .el";
  48 #endif
  49
  50 static struct pspec default_pattern_rules[] =
  51   {
  52     { "(%)", "%",
  53         "$(AR) $(ARFLAGS) $@ $<" },
  54
  55     /* The X.out rules are only in BSD's default set because
  56        BSD Make has no null-suffix rules, so `foo.out' and
  57        `foo' are the same thing.  */
  58 #ifdef VMS
  59     { "%.exe", "%",
  60         "copy $< $@" },
  61 #else
  62     { "%.out", "%",
  63         "@rm -f $@ \n cp $< $@" },
  64 #endif
  65     /* Syntax is "ctangle foo.w foo.ch foo.c".  */
  66     { "%.c", "%.w %.ch",
  67         "$(CTANGLE) $^ $@" },
  68     { "%.tex", "%.w %.ch",
  69         "$(CWEAVE) $^ $@" },
  70
  71     { 0, 0, 0 }
  72   };
  73
  74 static struct pspec default_terminal_rules[] =
  75   {
  76 #ifdef VMS
  77     /* RCS.  */
  78     { "%", "%$$5lv", /* Multinet style */
  79         "if f$$search($@) .nes. \"\" then +$(CHECKOUT,v)" },
  80     { "%", "[.$$rcs]%$$5lv", /* Multinet style */
  81         "if f$$search($@) .nes. \"\" then +$(CHECKOUT,v)" },
  82     { "%", "%_v", /* Normal style */
  83         "if f$$search($@) .nes. \"\" then +$(CHECKOUT,v)" },
  84     { "%", "[.rcs]%_v", /* Normal style */
  85         "if f$$search($@) .nes. \"\" then +$(CHECKOUT,v)" },
  86
  87     /* SCCS.  */
  88         /* ain't no SCCS on vms */
  89 #else
  90     /* RCS.  */
  91     { "%", "%,v",
  92         "$(CHECKOUT,v)" },
  93     { "%", "RCS/%,v",
  94         "$(CHECKOUT,v)" },
  95     { "%", "RCS/%",
  96         "$(CHECKOUT,v)" },
  97
  98     /* SCCS.  */
  99     { "%", "s.%",
 100         "$(GET) $(GFLAGS) $(SCCS_OUTPUT_OPTION) $<" },
 101     { "%", "SCCS/s.%",
 102         "$(GET) $(GFLAGS) $(SCCS_OUTPUT_OPTION) $<" },
 103 #endif /* !VMS */
 104     { 0, 0, 0 }
 105   };
 106
 107 static char *default_suffix_rules[] =
 108   {
 109 #ifdef VMS
 110     ".obj.exe",
 111     "$(LINK.obj) $^ $(LOADLIBES) $(LDLIBS) /exe=$@",
 112     ".mar.exe",
 113     "$(LINK.mar) $^ $(LOADLIBES) $(LDLIBS) /exe=$@",
 114     ".c.exe",
 115     "$(COMPILE.c) $^ \n $(LINK.obj) $(subst .c,.obj,$^) $(LOADLIBES) $(LDLIBS) /exe=$@",
 116     ".cc.exe",
 117     "$(COMPILE.cc) $^ \n $(LINK.obj) $(subst .cc,.obj,$^) $(LOADLIBES) $(LDLIBS) /exe=$@",
 118     ".for.exe",
 119     "$(COMPILE.for) $^ \n $(LINK.obj) $(subst .for,.obj,$^) $(LOADLIBES) $(LDLIBS) /exe=$@",
 120     ".pas.exe",
 121     "$(COMPILE.pas) $^ \n $(LINK.obj) $(subst .pas,.obj,$^) $(LOADLIBES) $(LDLIBS) /exe=$@",
 122
 123     ".com",
 124     "copy $< >$@",
 125
 126     ".mar.obj",
 127     "$(COMPILE.mar) /obj=$@ $<",
 128     ".c.obj",
 129     "$(COMPILE.c) /obj=$@ $<",
 130     ".cc.obj",
 131     "$(COMPILE.cc) /obj=$@ $<",
 132     ".for.obj",
 133     "$(COMPILE.for) /obj=$@ $<",
 134     ".pas.obj",
 135     "$(COMPILE.pas) /obj=$@ $<",
 136
 137     ".y.c",
 138     "$(YACC.y) $< \n rename y_tab.c $@",
 139     ".l.c",
 140     "$(LEX.l) $< \n rename lexyy.c $@",
 141
 142     ".texinfo.info",
 143     "$(MAKEINFO) $<",
 144
 145     ".tex.dvi",
 146     "$(TEX) $<",
 147
 148 #else /* ! VMS */
 149
 150     ".o",
 151     "$(LINK.o) $^ $(LOADLIBES) $(LDLIBS) -o $@",
 152     ".s",
 153     "$(LINK.s) $^ $(LOADLIBES) $(LDLIBS) -o $@",
 154     ".S",
 155     "$(LINK.S) $^ $(LOADLIBES) $(LDLIBS) -o $@",
 156     ".c",
 157     "$(LINK.c) $^ $(LOADLIBES) $(LDLIBS) -o $@",
 158     ".cc",
 159     "$(LINK.cc) $^ $(LOADLIBES) $(LDLIBS) -o $@",
 160     ".C",
 161     "$(LINK.C) $^ $(LOADLIBES) $(LDLIBS) -o $@",
 162     ".cpp",
 163     "$(LINK.cpp) $^ $(LOADLIBES) $(LDLIBS) -o $@",
 164     ".f",
 165     "$(LINK.f) $^ $(LOADLIBES) $(LDLIBS) -o $@",
 166     ".p",
 167     "$(LINK.p) $^ $(LOADLIBES) $(LDLIBS) -o $@",
 168     ".F",
 169     "$(LINK.F) $^ $(LOADLIBES) $(LDLIBS) -o $@",
 170     ".r",
 171     "$(LINK.r) $^ $(LOADLIBES) $(LDLIBS) -o $@",
 172     ".mod",
 173     "$(COMPILE.mod) -o $@ -e $@ $^",
 174
 175     ".def.sym",
 176     "$(COMPILE.def) -o $@ $<",
 177
 178     ".sh",
 179     "cat $< >$@ \n chmod a+x $@",
 180
 181     ".s.o",
 182     "$(COMPILE.s) -o $@ $<",
 183     ".S.o",
 184     "$(COMPILE.S) -o $@ $<",
 185     ".c.o",
 186     "$(COMPILE.c) $(OUTPUT_OPTION) $<",
 187     ".cc.o",
 188     "$(COMPILE.cc) $(OUTPUT_OPTION) $<",
 189     ".C.o",
 190     "$(COMPILE.C) $(OUTPUT_OPTION) $<",
 191     ".cpp.o",
 192     "$(COMPILE.cpp) $(OUTPUT_OPTION) $<",
 193     ".f.o",
 194     "$(COMPILE.f) $(OUTPUT_OPTION) $<",
 195     ".p.o",
 196     "$(COMPILE.p) $(OUTPUT_OPTION) $<",
 197     ".F.o",
 198     "$(COMPILE.F) $(OUTPUT_OPTION) $<",
 199     ".r.o",
 200     "$(COMPILE.r) $(OUTPUT_OPTION) $<",
 201     ".mod.o",
 202     "$(COMPILE.mod) -o $@ $<",
 203
 204     ".c.ln",
 205     "$(LINT.c) -C$* $<",
 206     ".y.ln",
 207 #ifndef __MSDOS__
 208     "$(YACC.y) $< \n $(LINT.c) -C$* y.tab.c \n $(RM) y.tab.c",
 209 #else
 210     "$(YACC.y) $< \n $(LINT.c) -C$* y_tab.c \n $(RM) y_tab.c",
 211 #endif
 212     ".l.ln",
 213     "@$(RM) $*.c\n $(LEX.l) $< > $*.c\n$(LINT.c) -i $*.c -o $@\n $(RM) $*.c",
 214
 215     ".y.c",
 216 #ifndef __MSDOS__
 217     "$(YACC.y) $< \n mv -f y.tab.c $@",
 218 #else
 219     "$(YACC.y) $< \n mv -f y_tab.c $@",
 220 #endif
 221     ".l.c",
 222     "@$(RM) $@ \n $(LEX.l) $< > $@",
 223
 224     ".F.f",
 225     "$(PREPROCESS.F) $(OUTPUT_OPTION) $<",
 226     ".r.f",
 227     "$(PREPROCESS.r) $(OUTPUT_OPTION) $<",
 228
 229     /* This might actually make lex.yy.c if there's no %R%
 230        directive in $*.l, but in that case why were you
 231        trying to make $*.r anyway?  */
 232     ".l.r",
 233     "$(LEX.l) $< > $@ \n mv -f lex.yy.r $@",
 234
 235     ".S.s",
 236     "$(PREPROCESS.S) $< > $@",
 237
 238     ".texinfo.info",
 239     "$(MAKEINFO) $(MAKEINFO_FLAGS) $< -o $@",
 240
 241     ".texi.info",
 242     "$(MAKEINFO) $(MAKEINFO_FLAGS) $< -o $@",
 243
 244     ".txinfo.info",
 245     "$(MAKEINFO) $(MAKEINFO_FLAGS) $< -o $@",
 246
 247     ".tex.dvi",
 248     "$(TEX) $<",
 249
 250     ".texinfo.dvi",
 251     "$(TEXI2DVI) $(TEXI2DVI_FLAGS) $<",
 252
 253     ".texi.dvi",
 254     "$(TEXI2DVI) $(TEXI2DVI_FLAGS) $<",
 255
 256     ".txinfo.dvi",
 257     "$(TEXI2DVI) $(TEXI2DVI_FLAGS) $<",
 258
 259     ".w.c",
 260     "$(CTANGLE) $< - $@",       /* The `-' says there is no `.ch' file.  */
 261
 262     ".web.p",
 263     "$(TANGLE) $<",
 264
 265     ".w.tex",
 266     "$(CWEAVE) $< - $@",        /* The `-' says there is no `.ch' file.  */
 267
 268     ".web.tex",
 269     "$(WEAVE) $<",
 270
 271 #endif /* !VMS */
 272
 273     0, 0,
 274   };
 275
 276 static char *default_variables[] =
 277   {
 278 #ifdef VMS
 279     "AR", "library/obj",
 280     "ARFLAGS", "/replace",
 281     "AS", "macro",
 282     "CC", "cc",
 283     "C++", "gcc/plus",
 284     "CXX", "gcc/plus",
 285     "CO", "co",
 286     "CPP", "$(CC) /preprocess_only",
 287     "FC", "fortran",
 288     /* System V uses these, so explicit rules using them should work.
 289        However, there is no way to make implicit rules use them and FC.  */
 290     "F77", "$(FC)",
 291     "F77FLAGS", "$(FFLAGS)",
 292     "LD", "link",
 293     "LEX", "lex",
 294     "PC", "pascal",
 295     "YACC", "yacc",     /* Or "bison -y"  */
 296     "MAKEINFO", "makeinfo",
 297     "TEX", "tex",
 298     "TEXINDEX", "texindex",
 299
 300     "RM", "delete/nolog",
 301
 302     "LINK.obj", "$(LD) $(LDFLAGS)",
 303     "COMPILE.c", "$(CC) $(CFLAGS) $(CPPFLAGS) $(TARGET_ARCH)",
 304     "COMPILE.cc", "$(C++) $(C++FLAGS) $(CPPFLAGS) $(TARGET_ARCH) -c",
 305     "YACC.y", "$(YACC) $(YFLAGS)",
 306     "LEX.l", "$(LEX) $(LFLAGS)",
 307     "COMPILE.for", "$(FC) $(FFLAGS) $(TARGET_ARCH)",
 308     "COMPILE.pas", "$(PC) $(PFLAGS) $(CPPFLAGS) $(TARGET_ARCH)",
 309     "COMPILE.mar", "$(AS) $(ASFLAGS) $(TARGET_MACH)",
 310     "LINT.c", "$(LINT) $(LINTFLAGS) $(CPPFLAGS) $(TARGET_ARCH)",
 311
 312     "MV", "rename/new_version",
 313     "CP", "copy",
 314
 315 #else /* !VMS */
 316
 317     "AR", "ar",
 318     "ARFLAGS", "rv",
 319     "AS", "as",
 320 #ifdef GCC_IS_NATIVE
 321     "CC", "gcc",
 322     "CXX", "gcc",
 323 #else
 324     "CC", "cc",
 325     "CXX", "g++",
 326 #endif
 327
 328     /* This expands to $(CO) $(COFLAGS) $< $@ if $@ does not exist,
 329        and to the empty string if $@ does exist.  */
 330     "CHECKOUT,v",
 331     "+$(patsubst $@-noexist,$(CO) $(COFLAGS) $< $@,\
 332                  $(filter-out $@,$(firstword $(wildcard $@) $@-noexist)))",
 333
 334     "CO", "co",
 335     "CPP", "$(CC) -E",
 336 #ifdef  CRAY
 337     "CF77PPFLAGS", "-P",
 338     "CF77PP", "/lib/cpp",
 339     "CFT", "cft77",
 340     "CF", "cf77",
 341     "FC", "$(CF)",
 342 #else   /* Not CRAY.  */
 343 #ifdef  _IBMR2
 344     "FC", "xlf",
 345 #else
 346 #ifdef  __convex__
 347     "FC", "fc",
 348 #else
 349     "FC", "f77",
 350 #endif /* __convex__ */
 351 #endif /* _IBMR2 */
 352     /* System V uses these, so explicit rules using them should work.
 353        However, there is no way to make implicit rules use them and FC.  */
 354     "F77", "$(FC)",
 355     "F77FLAGS", "$(FFLAGS)",
 356 #endif  /* Cray.  */
 357     "GET", SCCS_GET,
 358     "LD", "ld",
 359 #ifdef GCC_IS_NATIVE
 360     "LEX", "flex",
 361 #else
 362     "LEX", "lex",
 363 #endif
 364     "LINT", "lint",
 365     "M2C", "m2c",
 366 #ifdef  pyr
 367     "PC", "pascal",
 368 #else
 369 #ifdef  CRAY
 370     "PC", "PASCAL",
 371     "SEGLDR", "segldr",
 372 #else
 373     "PC", "pc",
 374 #endif  /* CRAY.  */
 375 #endif  /* pyr.  */
 376 #ifdef GCC_IS_NATIVE
 377     "YACC", "bison -y",
 378 #else
 379     "YACC", "yacc",     /* Or "bison -y"  */
 380 #endif
 381     "MAKEINFO", "makeinfo",
 382     "TEX", "tex",
 383     "TEXI2DVI", "texi2dvi",
 384     "WEAVE", "weave",
 385     "CWEAVE", "cweave",
 386     "TANGLE", "tangle",
 387     "CTANGLE", "ctangle",
 388
 389     "RM", "rm -f",
 390
 391     "LINK.o", "$(CC) $(LDFLAGS) $(TARGET_ARCH)",
 392     "COMPILE.c", "$(CC) $(CFLAGS) $(CPPFLAGS) $(TARGET_ARCH) -c",
 393     "LINK.c", "$(CC) $(CFLAGS) $(CPPFLAGS) $(LDFLAGS) $(TARGET_ARCH)",
 394     "COMPILE.cc", "$(CXX) $(CXXFLAGS) $(CPPFLAGS) $(TARGET_ARCH) -c",
 395     "COMPILE.C", "$(COMPILE.cc)",
 396     "COMPILE.cpp", "$(COMPILE.cc)",
 397     "LINK.cc", "$(CXX) $(CXXFLAGS) $(CPPFLAGS) $(LDFLAGS) $(TARGET_ARCH)",
 398     "LINK.C", "$(LINK.cc)",
 399     "LINK.cpp", "$(LINK.cc)",
 400     "YACC.y", "$(YACC) $(YFLAGS)",
 401     "LEX.l", "$(LEX) $(LFLAGS) -t",
 402     "COMPILE.f", "$(FC) $(FFLAGS) $(TARGET_ARCH) -c",
 403     "LINK.f", "$(FC) $(FFLAGS) $(LDFLAGS) $(TARGET_ARCH)",
 404     "COMPILE.F", "$(FC) $(FFLAGS) $(CPPFLAGS) $(TARGET_ARCH) -c",
 405     "LINK.F", "$(FC) $(FFLAGS) $(CPPFLAGS) $(LDFLAGS) $(TARGET_ARCH)",
 406     "COMPILE.r", "$(FC) $(FFLAGS) $(RFLAGS) $(TARGET_ARCH) -c",
 407     "LINK.r", "$(FC) $(FFLAGS) $(RFLAGS) $(LDFLAGS) $(TARGET_ARCH)",
 408     "COMPILE.def", "$(M2C) $(M2FLAGS) $(DEFFLAGS) $(TARGET_ARCH)",
 409     "COMPILE.mod", "$(M2C) $(M2FLAGS) $(MODFLAGS) $(TARGET_ARCH)",
 410     "COMPILE.p", "$(PC) $(PFLAGS) $(CPPFLAGS) $(TARGET_ARCH) -c",
 411     "LINK.p", "$(PC) $(PFLAGS) $(CPPFLAGS) $(LDFLAGS) $(TARGET_ARCH)",
 412     "LINK.s", "$(CC) $(ASFLAGS) $(LDFLAGS) $(TARGET_MACH)",
 413     "COMPILE.s", "$(AS) $(ASFLAGS) $(TARGET_MACH)",
 414     "LINK.S", "$(CC) $(ASFLAGS) $(CPPFLAGS) $(LDFLAGS) $(TARGET_MACH)",
 415     "COMPILE.S", "$(CC) $(ASFLAGS) $(CPPFLAGS) $(TARGET_MACH) -c",
 416     "PREPROCESS.S", "$(CC) -E $(CPPFLAGS)",
 417     "PREPROCESS.F", "$(FC) $(FFLAGS) $(CPPFLAGS) $(TARGET_ARCH) -F",
 418     "PREPROCESS.r", "$(FC) $(FFLAGS) $(RFLAGS) $(TARGET_ARCH) -F",
 419     "LINT.c", "$(LINT) $(LINTFLAGS) $(CPPFLAGS) $(TARGET_ARCH)",
 420
 421 #ifndef NO_MINUS_C_MINUS_O
 422     "OUTPUT_OPTION", "-o $@",
 423 #endif
 424
 425 #ifdef  SCCS_GET_MINUS_G
 426     "SCCS_OUTPUT_OPTION", "-G$@",
 427 #endif
 428
 429 #ifdef _AMIGA
 430     ".LIBPATTERNS", "%.lib",
 431 #else
 432 #ifdef __MSDOS__
 433     ".LIBPATTERNS", "lib%.a $(DJDIR)/lib/lib%.a",
 434 #else
 435     ".LIBPATTERNS", "lib%.so lib%.a",
 436 #endif
 437 #endif
 438
 439 #endif /* !VMS */
 440     0, 0
 441   };
 442 \f
 443 /* Set up the default .SUFFIXES list.  */
 444
 445 void
 446 set_default_suffixes ()
 447 {
 448   suffix_file = enter_file (".SUFFIXES");
 449
 450   if (no_builtin_rules_flag)
 451     (void) define_variable ("SUFFIXES", 8, "", o_default, 0);
 452   else
 453     {
 454       char *p = default_suffixes;
 455       suffix_file->deps = (struct dep *)
 456         multi_glob (parse_file_seq (&p, '\0', sizeof (struct dep), 1),
 457                     sizeof (struct dep));
 458       (void) define_variable ("SUFFIXES", 8, default_suffixes, o_default, 0);
 459     }
 460 }
 461
 462 /* Enter the default suffix rules as file rules.  This used to be done in
 463    install_default_implicit_rules, but that loses because we want the
 464    suffix rules installed before reading makefiles, and thee pattern rules
 465    installed after.  */
 466
 467 void
 468 install_default_suffix_rules ()
 469 {
 470   register char **s;
 471
 472   if (no_builtin_rules_flag)
 473     return;
 474
 475  for (s = default_suffix_rules; *s != 0; s += 2)
 476     {
 477       register struct file *f = enter_file (s[0]);
 478       /* Don't clobber cmds given in a makefile if there were any.  */
 479       if (f->cmds == 0)
 480         {
 481           f->cmds = (struct commands *) xmalloc (sizeof (struct commands));
 482           f->cmds->fileinfo.filenm = 0;
 483           f->cmds->commands = s[1];
 484           f->cmds->command_lines = 0;
 485         }
 486     }
 487 }
 488
 489
 490 /* Install the default pattern rules.  */
 491
 492 void
 493 install_default_implicit_rules ()
 494 {
 495   register struct pspec *p;
 496
 497   if (no_builtin_rules_flag)
 498     return;
 499
 500   for (p = default_pattern_rules; p->target != 0; ++p)
 501     install_pattern_rule (p, 0);
 502
 503   for (p = default_terminal_rules; p->target != 0; ++p)
 504     install_pattern_rule (p, 1);
 505 }
 506
 507 void
 508 define_default_variables ()
 509 {
 510   register char **s;
 511
 512   if (no_builtin_variables_flag)
 513     return;
 514
 515   for (s = default_variables; *s != 0; s += 2)
 516     (void) define_variable (s[0], strlen (s[0]), s[1], o_default, 1);
 517 }