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, 675 Mass Ave, Cambridge, MA 02139, USA.  */
  18
  19 #include "make.h"
  20 #include "rule.h"
  21 #include "dep.h"
  22 #include "filedef.h"
  23 #include "job.h"
  24 #include "commands.h"
  25 #include "variable.h"
  26
  27 /* Define GCC_IS_NATIVE if gcc is the native development environment on
  28    your system (gcc/bison/flex vs cc/yacc/lex).  */
  29 #ifdef __MSDOS__
  30 #define GCC_IS_NATIVE
  31 #endif
  32
  33
  34 /* This is the default list of suffixes for suffix rules.
  35    `.s' must come last, so that a `.o' file will be made from
  36    a `.c' or `.p' or ... file rather than from a .s file.  */
  37
  38 static char default_suffixes[]
  39 #ifdef VMS
  40   = ".exe .olb .ln .obj .c .cc .pas .p .for .f .r .y .l .mar \
  41 .mod .sym .def .h .info .dvi .tex .texinfo .texi .txinfo \
  42 .w .ch .cweb .web .com .sh .elc .el";
  43 #else
  44   = ".out .a .ln .o .c .cc .C .p .f .F .r .y .l .s .S \
  45 .mod .sym .def .h .info .dvi .tex .texinfo .texi .txinfo \
  46 .w .ch .web .sh .elc .el";
  47 #endif
  48
  49 static struct pspec default_pattern_rules[] =
  50   {
  51     { "(%)", "%",
  52         "$(AR) $(ARFLAGS) $@ $<" },
  53
  54     /* The X.out rules are only in BSD's default set because
  55        BSD Make has no null-suffix rules, so `foo.out' and
  56        `foo' are the same thing.  */
  57 #ifdef VMS
  58     { "%.exe", "%",
  59         "copy $< $@" },
  60 #else
  61     { "%.out", "%",
  62         "@rm -f $@ \n cp $< $@" },
  63 #endif
  64     /* Syntax is "ctangle foo.w foo.ch foo.c".  */
  65     { "%.c", "%.w %.ch",
  66         "$(CTANGLE) $^ $@" },
  67     { "%.tex", "%.w %.ch",
  68         "$(CWEAVE) $^ $@" },
  69
  70     { 0, 0, 0 }
  71   };
  72
  73 static struct pspec default_terminal_rules[] =
  74   {
  75 #ifdef VMS
  76     /* RCS.  */
  77     { "%", "%$$5lv", /* Multinet style */
  78         "if f$$search($@) .nes. \"\" then +$(CHECKOUT,v)" },
  79     { "%", "[.$$rcs]%$$5lv", /* Multinet style */
  80         "if f$$search($@) .nes. \"\" then +$(CHECKOUT,v)" },
  81     { "%", "%_v", /* Normal style */
  82         "if f$$search($@) .nes. \"\" then +$(CHECKOUT,v)" },
  83     { "%", "[.rcs]%_v", /* Normal style */
  84         "if f$$search($@) .nes. \"\" then +$(CHECKOUT,v)" },
  85
  86     /* SCCS.  */
  87         /* ain't no SCCS on vms */
  88 #else
  89     /* RCS.  */
  90     { "%", "%,v",
  91         "$(CHECKOUT,v)" },
  92     { "%", "RCS/%,v",
  93         "$(CHECKOUT,v)" },
  94
  95     /* SCCS.  */
  96     { "%", "s.%",
  97         "$(GET) $(GFLAGS) $(SCCS_OUTPUT_OPTION) $<" },
  98     { "%", "SCCS/s.%",
  99         "$(GET) $(GFLAGS) $(SCCS_OUTPUT_OPTION) $<" },
 100 #endif /* !VMS */
 101     { 0, 0, 0 }
 102   };
 103
 104 static char *default_suffix_rules[] =
 105   {
 106 #ifdef VMS
 107     ".obj.exe",
 108     "$(LINK.obj) $^ $(LOADLIBES) $(LDLIBS) /exe=$@",
 109     ".mar.exe",
 110     "$(LINK.mar) $^ $(LOADLIBES) $(LDLIBS) /exe=$@",
 111     ".c.exe",
 112     "$(COMPILE.c) $^ \n $(LINK.obj) $(subst .c,.obj,$^) $(LOADLIBES) $(LDLIBS) /exe=$@",
 113     ".cc.exe",
 114     "$(COMPILE.cc) $^ \n $(LINK.obj) $(subst .cc,.obj,$^) $(LOADLIBES) $(LDLIBS) /exe=$@",
 115     ".for.exe",
 116     "$(COMPILE.for) $^ \n $(LINK.obj) $(subst .for,.obj,$^) $(LOADLIBES) $(LDLIBS) /exe=$@",
 117     ".pas.exe",
 118     "$(COMPILE.pas) $^ \n $(LINK.obj) $(subst .pas,.obj,$^) $(LOADLIBES) $(LDLIBS) /exe=$@",
 119
 120     ".com",
 121     "copy $< >$@",
 122
 123     ".mar.obj",
 124     "$(COMPILE.mar) /obj=$@ $<",
 125     ".c.obj",
 126     "$(COMPILE.c) /obj=$@ $<",
 127     ".cc.obj",
 128     "$(COMPILE.cc) /obj=$@ $<",
 129     ".for.obj",
 130     "$(COMPILE.for) /obj=$@ $<",
 131     ".pas.obj",
 132     "$(COMPILE.pas) /obj=$@ $<",
 133
 134     ".y.c",
 135     "$(YACC.y) $< \n rename y_tab.c $@",
 136     ".l.c",
 137     "$(LEX.l) $< \n rename lexyy.c $@",
 138
 139     ".texinfo.info",
 140     "$(MAKEINFO) $<",
 141
 142     ".tex.dvi",
 143     "$(TEX) $<",
 144
 145 #else /* ! VMS */
 146
 147     ".o",
 148     "$(LINK.o) $^ $(LOADLIBES) $(LDLIBS) -o $@",
 149     ".s",
 150     "$(LINK.s) $^ $(LOADLIBES) $(LDLIBS) -o $@",
 151     ".S",
 152     "$(LINK.S) $^ $(LOADLIBES) $(LDLIBS) -o $@",
 153     ".c",
 154     "$(LINK.c) $^ $(LOADLIBES) $(LDLIBS) -o $@",
 155     ".cc",
 156     "$(LINK.cc) $^ $(LOADLIBES) $(LDLIBS) -o $@",
 157     ".C",
 158     "$(LINK.C) $^ $(LOADLIBES) $(LDLIBS) -o $@",
 159     ".f",
 160     "$(LINK.f) $^ $(LOADLIBES) $(LDLIBS) -o $@",
 161     ".p",
 162     "$(LINK.p) $^ $(LOADLIBES) $(LDLIBS) -o $@",
 163     ".F",
 164     "$(LINK.F) $^ $(LOADLIBES) $(LDLIBS) -o $@",
 165     ".r",
 166     "$(LINK.r) $^ $(LOADLIBES) $(LDLIBS) -o $@",
 167     ".mod",
 168     "$(COMPILE.mod) -o $@ -e $@ $^",
 169
 170     ".def.sym",
 171     "$(COMPILE.def) -o $@ $<",
 172
 173     ".sh",
 174     "cat $< >$@ \n chmod a+x $@",
 175
 176     ".s.o",
 177     "$(COMPILE.s) -o $@ $<",
 178     ".S.o",
 179     "$(COMPILE.S) -o $@ $<",
 180     ".c.o",
 181     "$(COMPILE.c) $< $(OUTPUT_OPTION)",
 182     ".cc.o",
 183     "$(COMPILE.cc) $< $(OUTPUT_OPTION)",
 184     ".C.o",
 185     "$(COMPILE.C) $< $(OUTPUT_OPTION)",
 186     ".f.o",
 187     "$(COMPILE.f) $< $(OUTPUT_OPTION)",
 188     ".p.o",
 189     "$(COMPILE.p) $< $(OUTPUT_OPTION)",
 190     ".F.o",
 191     "$(COMPILE.F) $< $(OUTPUT_OPTION)",
 192     ".r.o",
 193     "$(COMPILE.r) $< $(OUTPUT_OPTION)",
 194     ".mod.o",
 195     "$(COMPILE.mod) -o $@ $<",
 196
 197     ".c.ln",
 198     "$(LINT.c) -C$* $<",
 199     ".y.ln",
 200 #ifndef __MSDOS__
 201     "$(YACC.y) $< \n $(LINT.c) -C$* y.tab.c \n $(RM) y.tab.c",
 202 #else
 203     "$(YACC.y) $< \n $(LINT.c) -C$* y_tab.c \n $(RM) y_tab.c",
 204 #endif
 205     ".l.ln",
 206     "@$(RM) $*.c\n $(LEX.l) $< > $*.c\n$(LINT.c) -i $*.c -o $@\n $(RM) $*.c",
 207
 208     ".y.c",
 209 #ifndef __MSDOS__
 210     "$(YACC.y) $< \n mv -f y.tab.c $@",
 211 #else
 212     "$(YACC.y) $< \n mv -f y_tab.c $@",
 213 #endif
 214     ".l.c",
 215     "@$(RM) $@ \n $(LEX.l) $< > $@",
 216
 217     ".F.f",
 218     "$(PREPROCESS.F) $< $(OUTPUT_OPTION)",
 219     ".r.f",
 220     "$(PREPROCESS.r) $< $(OUTPUT_OPTION)",
 221
 222     /* This might actually make lex.yy.c if there's no %R%
 223        directive in $*.l, but in that case why were you
 224        trying to make $*.r anyway?  */
 225     ".l.r",
 226     "$(LEX.l) $< > $@ \n mv -f lex.yy.r $@",
 227
 228     ".S.s",
 229     "$(PREPROCESS.S) $< > $@",
 230
 231     ".texinfo.info",
 232     "$(MAKEINFO) $(MAKEINFO_FLAGS) $< -o $@",
 233
 234     ".texi.info",
 235     "$(MAKEINFO) $(MAKEINFO_FLAGS) $< -o $@",
 236
 237     ".txinfo.info",
 238     "$(MAKEINFO) $(MAKEINFO_FLAGS) $< -o $@",
 239
 240     ".tex.dvi",
 241     "$(TEX) $<",
 242
 243     ".texinfo.dvi",
 244     "$(TEXI2DVI) $(TEXI2DVI_FLAGS) $<",
 245
 246     ".texi.dvi",
 247     "$(TEXI2DVI) $(TEXI2DVI_FLAGS) $<",
 248
 249     ".txinfo.dvi",
 250     "$(TEXI2DVI) $(TEXI2DVI_FLAGS) $<",
 251
 252     ".w.c",
 253     "$(CTANGLE) $< - $@",       /* The `-' says there is no `.ch' file.  */
 254
 255     ".web.p",
 256     "$(TANGLE) $<",
 257
 258     ".w.tex",
 259     "$(CWEAVE) $< - $@",        /* The `-' says there is no `.ch' file.  */
 260
 261     ".web.tex",
 262     "$(WEAVE) $<",
 263
 264 #endif /* !VMS */
 265
 266     0, 0,
 267   };
 268
 269 static char *default_variables[] =
 270   {
 271 #ifdef VMS
 272     "AR", "library/obj",
 273     "ARFLAGS", "/replace",
 274     "AS", "macro",
 275     "CC", "cc",
 276     "C++", "gcc/plus",
 277     "CXX", "gcc/plus",
 278     "CO", "co",
 279     "CPP", "$(CC) /preprocess_only",
 280     "FC", "fortran",
 281     /* System V uses these, so explicit rules using them should work.
 282        However, there is no way to make implicit rules use them and FC.  */
 283     "F77", "$(FC)",
 284     "F77FLAGS", "$(FFLAGS)",
 285     "LD", "link",
 286     "LEX", "lex",
 287     "PC", "pascal",
 288     "YACC", "yacc",     /* Or "bison -y"  */
 289     "MAKEINFO", "makeinfo",
 290     "TEX", "tex",
 291     "TEXINDEX", "texindex",
 292
 293     "RM", "delete/nolog",
 294
 295     "LINK.obj", "$(LD) $(LDFLAGS)",
 296     "COMPILE.c", "$(CC) $(CFLAGS) $(CPPFLAGS) $(TARGET_ARCH)",
 297     "COMPILE.cc", "$(C++) $(C++FLAGS) $(CPPFLAGS) $(TARGET_ARCH) -c",
 298     "YACC.y", "$(YACC) $(YFLAGS)",
 299     "LEX.l", "$(LEX) $(LFLAGS)",
 300     "COMPILE.for", "$(FC) $(FFLAGS) $(TARGET_ARCH)",
 301     "COMPILE.pas", "$(PC) $(PFLAGS) $(CPPFLAGS) $(TARGET_ARCH)",
 302     "COMPILE.mar", "$(AS) $(ASFLAGS) $(TARGET_MACH)",
 303     "LINT.c", "$(LINT) $(LINTFLAGS) $(CPPFLAGS) $(TARGET_ARCH)",
 304
 305     "MV", "rename/new_version",
 306     "CP", "copy",
 307
 308 #else /* !VMS */
 309
 310     "AR", "ar",
 311     "ARFLAGS", "rv",
 312     "AS", "as",
 313 #ifdef GCC_IS_NATIVE
 314     "CC", "gcc",
 315     "CXX", "gcc",
 316 #else
 317     "CC", "cc",
 318     "CXX", "g++",
 319 #endif
 320
 321     /* This expands to $(CO) $(COFLAGS) $< $@ if $@ does not exist,
 322        and to the empty string if $@ does exist.  */
 323     "CHECKOUT,v",
 324     "+$(patsubst $@-noexist,$(CO) $(COFLAGS) $< $@,\
 325                  $(filter-out $@,$(firstword $(wildcard $@) $@-noexist)))",
 326
 327     "CO", "co",
 328     "CPP", "$(CC) -E",
 329 #ifdef  CRAY
 330     "CF77PPFLAGS", "-P",
 331     "CF77PP", "/lib/cpp",
 332     "CFT", "cft77",
 333     "CF", "cf77",
 334     "FC", "$(CF)",
 335 #else   /* Not CRAY.  */
 336 #ifdef  _IBMR2
 337     "FC", "xlf",
 338 #else
 339 #ifdef  __convex__
 340     "FC", "fc",
 341 #else
 342     "FC", "f77",
 343 #endif /* __convex__ */
 344 #endif /* _IBMR2 */
 345     /* System V uses these, so explicit rules using them should work.
 346        However, there is no way to make implicit rules use them and FC.  */
 347     "F77", "$(FC)",
 348     "F77FLAGS", "$(FFLAGS)",
 349 #endif  /* Cray.  */
 350     "GET", SCCS_GET,
 351     "LD", "ld",
 352 #ifdef GCC_IS_NATIVE
 353     "LEX", "flex",
 354 #else
 355     "LEX", "lex",
 356 #endif
 357     "LINT", "lint",
 358     "M2C", "m2c",
 359 #ifdef  pyr
 360     "PC", "pascal",
 361 #else
 362 #ifdef  CRAY
 363     "PC", "PASCAL",
 364     "SEGLDR", "segldr",
 365 #else
 366     "PC", "pc",
 367 #endif  /* CRAY.  */
 368 #endif  /* pyr.  */
 369 #ifdef GCC_IS_NATIVE
 370     "YACC", "bison -y",
 371 #else
 372     "YACC", "yacc",     /* Or "bison -y"  */
 373 #endif
 374     "MAKEINFO", "makeinfo",
 375     "TEX", "tex",
 376     "TEXI2DVI", "texi2dvi",
 377     "WEAVE", "weave",
 378     "CWEAVE", "cweave",
 379     "TANGLE", "tangle",
 380     "CTANGLE", "ctangle",
 381
 382     "RM", "rm -f",
 383
 384     "LINK.o", "$(CC) $(LDFLAGS) $(TARGET_ARCH)",
 385     "COMPILE.c", "$(CC) $(CFLAGS) $(CPPFLAGS) $(TARGET_ARCH) -c",
 386     "LINK.c", "$(CC) $(CFLAGS) $(CPPFLAGS) $(LDFLAGS) $(TARGET_ARCH)",
 387     "COMPILE.cc", "$(CXX) $(CXXFLAGS) $(CPPFLAGS) $(TARGET_ARCH) -c",
 388     "COMPILE.C", "$(COMPILE.cc)",
 389     "LINK.cc", "$(CXX) $(CXXFLAGS) $(CPPFLAGS) $(LDFLAGS) $(TARGET_ARCH)",
 390     "LINK.C", "$(LINK.cc)",
 391     "YACC.y", "$(YACC) $(YFLAGS)",
 392     "LEX.l", "$(LEX) $(LFLAGS) -t",
 393     "COMPILE.f", "$(FC) $(FFLAGS) $(TARGET_ARCH) -c",
 394     "LINK.f", "$(FC) $(FFLAGS) $(LDFLAGS) $(TARGET_ARCH)",
 395     "COMPILE.F", "$(FC) $(FFLAGS) $(CPPFLAGS) $(TARGET_ARCH) -c",
 396     "LINK.F", "$(FC) $(FFLAGS) $(CPPFLAGS) $(LDFLAGS) $(TARGET_ARCH)",
 397     "COMPILE.r", "$(FC) $(FFLAGS) $(RFLAGS) $(TARGET_ARCH) -c",
 398     "LINK.r", "$(FC) $(FFLAGS) $(RFLAGS) $(LDFLAGS) $(TARGET_ARCH)",
 399     "COMPILE.def", "$(M2C) $(M2FLAGS) $(DEFFLAGS) $(TARGET_ARCH)",
 400     "COMPILE.mod", "$(M2C) $(M2FLAGS) $(MODFLAGS) $(TARGET_ARCH)",
 401     "COMPILE.p", "$(PC) $(PFLAGS) $(CPPFLAGS) $(TARGET_ARCH) -c",
 402     "LINK.p", "$(PC) $(PFLAGS) $(CPPFLAGS) $(LDFLAGS) $(TARGET_ARCH)",
 403     "LINK.s", "$(CC) $(ASFLAGS) $(LDFLAGS) $(TARGET_MACH)",
 404     "COMPILE.s", "$(AS) $(ASFLAGS) $(TARGET_MACH)",
 405     "LINK.S", "$(CC) $(ASFLAGS) $(CPPFLAGS) $(LDFLAGS) $(TARGET_MACH)",
 406     "COMPILE.S", "$(CC) $(ASFLAGS) $(CPPFLAGS) $(TARGET_MACH) -c",
 407     "PREPROCESS.S", "$(CC) -E $(CPPFLAGS)",
 408     "PREPROCESS.F", "$(FC) $(FFLAGS) $(CPPFLAGS) $(TARGET_ARCH) -F",
 409     "PREPROCESS.r", "$(FC) $(FFLAGS) $(RFLAGS) $(TARGET_ARCH) -F",
 410     "LINT.c", "$(LINT) $(LINTFLAGS) $(CPPFLAGS) $(TARGET_ARCH)",
 411
 412 #ifndef NO_MINUS_C_MINUS_O
 413     "OUTPUT_OPTION", "-o $@",
 414 #endif
 415
 416 #ifdef  SCCS_GET_MINUS_G
 417     "SCCS_OUTPUT_OPTION", "-G$@",
 418 #endif
 419
 420 #endif /* !VMS */
 421     0, 0
 422   };
 423 \f
 424 /* Set up the default .SUFFIXES list.  */
 425
 426 void
 427 set_default_suffixes ()
 428 {
 429   suffix_file = enter_file (".SUFFIXES");
 430
 431   if (no_builtin_rules_flag)
 432     (void) define_variable ("SUFFIXES", 8, "", o_default, 0);
 433   else
 434     {
 435       char *p = default_suffixes;
 436       suffix_file->deps = (struct dep *)
 437         multi_glob (parse_file_seq (&p, '\0', sizeof (struct dep), 1),
 438                     sizeof (struct dep));
 439       (void) define_variable ("SUFFIXES", 8, default_suffixes, o_default, 0);
 440     }
 441 }
 442
 443 /* Enter the default suffix rules as file rules.  This used to be done in
 444    install_default_implicit_rules, but that loses because we want the
 445    suffix rules installed before reading makefiles, and thee pattern rules
 446    installed after.  */
 447
 448 void
 449 install_default_suffix_rules ()
 450 {
 451   register char **s;
 452
 453   if (no_builtin_rules_flag)
 454     return;
 455
 456  for (s = default_suffix_rules; *s != 0; s += 2)
 457     {
 458       register struct file *f = enter_file (s[0]);
 459       /* Don't clobber cmds given in a makefile if there were any.  */
 460       if (f->cmds == 0)
 461         {
 462           f->cmds = (struct commands *) xmalloc (sizeof (struct commands));
 463           f->cmds->filename = 0;
 464           f->cmds->commands = s[1];
 465           f->cmds->command_lines = 0;
 466         }
 467     }
 468 }
 469
 470
 471 /* Install the default pattern rules.  */
 472
 473 void
 474 install_default_implicit_rules ()
 475 {
 476   register struct pspec *p;
 477
 478   if (no_builtin_rules_flag)
 479     return;
 480
 481   for (p = default_pattern_rules; p->target != 0; ++p)
 482     install_pattern_rule (p, 0);
 483
 484   for (p = default_terminal_rules; p->target != 0; ++p)
 485     install_pattern_rule (p, 1);
 486 }
 487
 488 void
 489 define_default_variables ()
 490 {
 491   register char **s;
 492
 493   for (s = default_variables; *s != 0; s += 2)
 494     (void) define_variable (s[0], strlen (s[0]), s[1], o_default, 1);
 495 }