default.c

   1 /* Data base of default implicit rules for GNU Make.
   2 Copyright (C) 1988, 89, 90, 91, 92, 93, 94 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 "file.h"
  23 #include "commands.h"
  24 #include "variable.h"
  25
  26 /* Define GCC_IS_NATIVE if gcc is the native development environment on
  27    your system (gcc/bison/flex vs cc/yacc/lex).  */
  28 #ifdef __MSDOS__
  29 #define GCC_IS_NATIVE
  30 #endif
  31
  32
  33 /* This is the default list of suffixes for suffix rules.
  34    `.s' must come last, so that a `.o' file will be made from
  35    a `.c' or `.p' or ... file rather than from a .s file.  */
  36
  37 static char default_suffixes[]
  38   = ".out .a .ln .o .c .cc .C .p .f .F .r .y .l .s .S \
  39 .mod .sym .def .h .info .dvi .tex .texinfo .texi .txinfo \
  40 .w .ch .web .sh .elc .el";
  41
  42 static struct pspec default_pattern_rules[] =
  43   {
  44     { "(%)", "%",
  45         "$(AR) $(ARFLAGS) $@ $<" },
  46
  47     /* The X.out rules are only in BSD's default set because
  48        BSD Make has no null-suffix rules, so `foo.out' and
  49        `foo' are the same thing.  */
  50     { "%.out", "%",
  51         "@rm -f $@ \n cp $< $@" },
  52
  53     /* Syntax is "ctangle foo.w foo.ch foo.c".  */
  54     { "%.c", "%.w %.ch",
  55         "$(CTANGLE) $^ $@" },
  56     { "%.tex", "%.w %.ch",
  57         "$(CWEAVE) $^ $@" },
  58
  59     { 0, 0, 0 }
  60   };
  61
  62 static struct pspec default_terminal_rules[] =
  63   {
  64     /* RCS.  */
  65     { "%", "%,v",
  66         "+$(CHECKOUT,v)" },
  67     { "%", "RCS/%,v",
  68         "+$(CHECKOUT,v)" },
  69
  70     /* SCCS.  */
  71     { "%", "s.%",
  72         "$(GET) $(GFLAGS) $(SCCS_OUTPUT_OPTION) $<" },
  73     { "%", "SCCS/s.%",
  74         "$(GET) $(GFLAGS) $(SCCS_OUTPUT_OPTION) $<" },
  75
  76     { 0, 0, 0 }
  77   };
  78
  79 static char *default_suffix_rules[] =
  80   {
  81     ".o",
  82     "$(LINK.o) $^ $(LOADLIBES) $(LDLIBS) -o $@",
  83     ".s",
  84     "$(LINK.s) $^ $(LOADLIBES) $(LDLIBS) -o $@",
  85     ".S",
  86     "$(LINK.S) $^ $(LOADLIBES) $(LDLIBS) -o $@",
  87     ".c",
  88     "$(LINK.c) $^ $(LOADLIBES) $(LDLIBS) -o $@",
  89     ".cc",
  90     "$(LINK.cc) $^ $(LOADLIBES) $(LDLIBS) -o $@",
  91     ".C",
  92     "$(LINK.C) $^ $(LOADLIBES) $(LDLIBS) -o $@",
  93     ".f",
  94     "$(LINK.f) $^ $(LOADLIBES) $(LDLIBS) -o $@",
  95     ".p",
  96     "$(LINK.p) $^ $(LOADLIBES) $(LDLIBS) -o $@",
  97     ".F",
  98     "$(LINK.F) $^ $(LOADLIBES) $(LDLIBS) -o $@",
  99     ".r",
 100     "$(LINK.r) $^ $(LOADLIBES) $(LDLIBS) -o $@",
 101     ".mod",
 102     "$(COMPILE.mod) -o $@ -e $@ $^",
 103
 104     ".def.sym",
 105     "$(COMPILE.def) -o $@ $<",
 106
 107     ".sh",
 108     "cat $< >$@ \n chmod a+x $@",
 109
 110     ".s.o",
 111 #if !defined(M_XENIX) || defined(__GNUC__)
 112     "$(COMPILE.s) -o $@ $<",
 113 #else   /* Xenix.  */
 114     "$(COMPILE.s) -o$@ $<",
 115 #endif  /* Not Xenix.  */
 116     ".S.o",
 117 #if !defined(M_XENIX) || defined(__GNUC__)
 118     "$(COMPILE.S) -o $@ $<",
 119 #else   /* Xenix.  */
 120     "$(COMPILE.S) -o$@ $<",
 121 #endif  /* Not Xenix.  */
 122     ".c.o",
 123     "$(COMPILE.c) $< $(OUTPUT_OPTION)",
 124     ".cc.o",
 125     "$(COMPILE.cc) $< $(OUTPUT_OPTION)",
 126     ".C.o",
 127     "$(COMPILE.C) $< $(OUTPUT_OPTION)",
 128     ".f.o",
 129     "$(COMPILE.f) $< $(OUTPUT_OPTION)",
 130     ".p.o",
 131     "$(COMPILE.p) $< $(OUTPUT_OPTION)",
 132     ".F.o",
 133     "$(COMPILE.F) $< $(OUTPUT_OPTION)",
 134     ".r.o",
 135     "$(COMPILE.r) $< $(OUTPUT_OPTION)",
 136     ".mod.o",
 137     "$(COMPILE.mod) -o $@ $<",
 138
 139     ".c.ln",
 140     "$(LINT.c) -C$* $<",
 141     ".y.ln",
 142 #ifndef __MSDOS__
 143     "$(YACC.y) $< \n $(LINT.c) -C$* y.tab.c \n $(RM) y.tab.c",
 144 #else
 145     "$(YACC.y) $< \n $(LINT.c) -C$* y_tab.c \n $(RM) y_tab.c",
 146 #endif
 147     ".l.ln",
 148     "@$(RM) $*.c\n $(LEX.l) $< > $*.c\n$(LINT.c) -i $*.c -o $@\n $(RM) $*.c",
 149
 150     ".y.c",
 151 #ifndef __MSDOS__
 152     "$(YACC.y) $< \n mv -f y.tab.c $@",
 153 #else
 154     "$(YACC.y) $< \n mv -f y_tab.c $@",
 155 #endif
 156     ".l.c",
 157     "@$(RM) $@ \n $(LEX.l) $< > $@",
 158
 159     ".F.f",
 160     "$(PREPROCESS.F) $< $(OUTPUT_OPTION)",
 161     ".r.f",
 162     "$(PREPROCESS.r) $< $(OUTPUT_OPTION)",
 163
 164     /* This might actually make lex.yy.c if there's no %R%
 165        directive in $*.l, but in that case why were you
 166        trying to make $*.r anyway?  */
 167     ".l.r",
 168     "$(LEX.l) $< > $@ \n mv -f lex.yy.r $@",
 169
 170     ".S.s",
 171     "$(PREPROCESS.S) $< > $@",
 172
 173     ".texinfo.info",
 174     "$(MAKEINFO) $(MAKEINFO_FLAGS) $< -o $@",
 175
 176     ".texi.info",
 177     "$(MAKEINFO) $(MAKEINFO_FLAGS) $< -o $@",
 178
 179     ".txinfo.info",
 180     "$(MAKEINFO) $(MAKEINFO_FLAGS) $< -o $@",
 181
 182     ".tex.dvi",
 183     "$(TEX) $<",
 184
 185     ".texinfo.dvi",
 186     "$(TEXI2DVI) $(TEXI2DVI_FLAGS) $<",
 187
 188     ".texi.dvi",
 189     "$(TEXI2DVI) $(TEXI2DVI_FLAGS) $<",
 190
 191     ".txinfo.dvi",
 192     "$(TEXI2DVI) $(TEXI2DVI_FLAGS) $<",
 193
 194     ".w.c",
 195     "$(CTANGLE) $< - $@",       /* The `-' says there is no `.ch' file.  */
 196
 197     ".web.p",
 198     "$(TANGLE) $<",
 199
 200     ".w.tex",
 201     "$(CWEAVE) $< - $@",        /* The `-' says there is no `.ch' file.  */
 202
 203     ".web.tex",
 204     "$(WEAVE) $<",
 205
 206     0, 0,
 207   };
 208
 209 static char *default_variables[] =
 210   {
 211     "AR", "ar",
 212 #ifndef __hpux
 213     "ARFLAGS", "rv",
 214 #else
 215     /* HPUX ar's f flag says to truncate the file names to archive member
 216        name length in comparisons, so replacement notices the equality.  */
 217     "ARFLAGS", "rfv",
 218 #endif
 219     "AS", "as",
 220 #ifdef GCC_IS_NATIVE
 221     "CC", "gcc",
 222     "CXX", "gcc",
 223 #else
 224     "CC", "cc",
 225     "CXX", "g++",
 226 #endif
 227
 228     /* This expands to $(CO) $(COFLAGS) $< $@ if $@ does not exist,
 229        and to the empty string if $@ does exist.  */
 230     "CHECKOUT,v",
 231     "$(patsubst $@-noexist,$(CO) $(COFLAGS) $< $@,\
 232                 $(filter-out $@,$(firstword $(wildcard $@) $@-noexist)))",
 233
 234     "CO", "co",
 235     "CPP", "$(CC) -E",
 236 #ifdef  CRAY
 237     "CF77PPFLAGS", "-P",
 238     "CF77PP", "/lib/cpp",
 239     "CFT", "cft77",
 240     "CF", "cf77",
 241     "FC", "$(CF)",
 242 #else   /* Not CRAY.  */
 243 #ifdef  _IBMR2
 244     "FC", "xlf",
 245 #else
 246 #ifdef  __convex__
 247     "FC", "fc",
 248 #else
 249     "FC", "f77",
 250 #endif /* __convex__ */
 251 #endif /* _IBMR2 */
 252     /* System V uses these, so explicit rules using them should work.
 253        However, there is no way to make implicit rules use them and FC.  */
 254     "F77", "$(FC)",
 255     "F77FLAGS", "$(FFLAGS)",
 256 #endif  /* Cray.  */
 257     "GET", SCCS_GET,
 258     "LD", "ld",
 259 #ifdef GCC_IS_NATIVE
 260     "LEX", "flex",
 261 #else
 262     "LEX", "lex",
 263 #endif
 264     "LINT", "lint",
 265     "M2C", "m2c",
 266 #ifdef  pyr
 267     "PC", "pascal",
 268 #else
 269 #ifdef  CRAY
 270     "PC", "PASCAL",
 271     "SEGLDR", "segldr",
 272 #else
 273     "PC", "pc",
 274 #endif  /* CRAY.  */
 275 #endif  /* pyr.  */
 276 #ifdef GCC_IS_NATIVE
 277     "YACC", "bison -y",
 278 #else
 279     "YACC", "yacc",     /* Or "bison -y"  */
 280 #endif
 281     "MAKEINFO", "makeinfo",
 282     "TEX", "tex",
 283     "TEXI2DVI", "texi2dvi",
 284     "WEAVE", "weave",
 285     "CWEAVE", "cweave",
 286     "TANGLE", "tangle",
 287     "CTANGLE", "ctangle",
 288
 289     "RM", "rm -f",
 290
 291     "LINK.o", "$(CC) $(LDFLAGS) $(TARGET_ARCH)",
 292     "COMPILE.c", "$(CC) $(CFLAGS) $(CPPFLAGS) $(TARGET_ARCH) -c",
 293     "LINK.c", "$(CC) $(CFLAGS) $(CPPFLAGS) $(LDFLAGS) $(TARGET_ARCH)",
 294     "COMPILE.cc", "$(CXX) $(CXXFLAGS) $(CPPFLAGS) $(TARGET_ARCH) -c",
 295     "COMPILE.C", "$(COMPILE.cc)",
 296     "LINK.cc", "$(CXX) $(CXXFLAGS) $(CPPFLAGS) $(LDFLAGS) $(TARGET_ARCH)",
 297     "LINK.C", "$(LINK.cc)",
 298     "YACC.y", "$(YACC) $(YFLAGS)",
 299     "LEX.l", "$(LEX) $(LFLAGS) -t",
 300     "COMPILE.f", "$(FC) $(FFLAGS) $(TARGET_ARCH) -c",
 301     "LINK.f", "$(FC) $(FFLAGS) $(LDFLAGS) $(TARGET_ARCH)",
 302     "COMPILE.F", "$(FC) $(FFLAGS) $(CPPFLAGS) $(TARGET_ARCH) -c",
 303     "LINK.F", "$(FC) $(FFLAGS) $(CPPFLAGS) $(LDFLAGS) $(TARGET_ARCH)",
 304     "COMPILE.r", "$(FC) $(FFLAGS) $(RFLAGS) $(TARGET_ARCH) -c",
 305     "LINK.r", "$(FC) $(FFLAGS) $(RFLAGS) $(LDFLAGS) $(TARGET_ARCH)",
 306     "COMPILE.def", "$(M2C) $(M2FLAGS) $(DEFFLAGS) $(TARGET_ARCH)",
 307     "COMPILE.mod", "$(M2C) $(M2FLAGS) $(MODFLAGS) $(TARGET_ARCH)",
 308     "COMPILE.p", "$(PC) $(PFLAGS) $(CPPFLAGS) $(TARGET_ARCH) -c",
 309     "LINK.p", "$(PC) $(PFLAGS) $(CPPFLAGS) $(LDFLAGS) $(TARGET_ARCH)",
 310     "LINK.s", "$(CC) $(ASFLAGS) $(LDFLAGS) $(TARGET_MACH)",
 311     "COMPILE.s", "$(AS) $(ASFLAGS) $(TARGET_MACH)",
 312     "LINK.S", "$(CC) $(ASFLAGS) $(CPPFLAGS) $(LDFLAGS) $(TARGET_MACH)",
 313     "COMPILE.S", "$(CC) $(ASFLAGS) $(CPPFLAGS) $(TARGET_MACH) -c",
 314 #if !defined(M_XENIX) || defined(__GNUC__)
 315     "PREPROCESS.S", "$(CC) -E $(CPPFLAGS)",
 316 #else   /* Xenix.  */
 317     "PREPROCESS.S", "$(CC) -EP $(CPPFLAGS)",
 318 #endif  /* Not Xenix.  */
 319     "PREPROCESS.F", "$(FC) $(FFLAGS) $(CPPFLAGS) $(TARGET_ARCH) -F",
 320     "PREPROCESS.r", "$(FC) $(FFLAGS) $(RFLAGS) $(TARGET_ARCH) -F",
 321     "LINT.c", "$(LINT) $(LINTFLAGS) $(CPPFLAGS) $(TARGET_ARCH)",
 322
 323 #ifndef NO_MINUS_C_MINUS_O
 324 #if !defined(M_XENIX) || defined(__GNUC__)
 325     "OUTPUT_OPTION", "-o $@",
 326 #else   /* Xenix.  */
 327     "OUTPUT_OPTION", "-Fo$@",
 328 #endif  /* Not Xenix.  */
 329 #endif
 330
 331 #ifdef  SCCS_GET_MINUS_G
 332     "SCCS_OUTPUT_OPTION", "-G$@",
 333 #endif
 334
 335     0, 0
 336   };
 337 \f
 338 /* Set up the default .SUFFIXES list.  */
 339
 340 void
 341 set_default_suffixes ()
 342 {
 343   suffix_file = enter_file (".SUFFIXES");
 344
 345   if (no_builtin_rules_flag)
 346     (void) define_variable ("SUFFIXES", 8, "", o_default, 0);
 347   else
 348     {
 349       char *p = default_suffixes;
 350       suffix_file->deps = (struct dep *)
 351         multi_glob (parse_file_seq (&p, '\0', sizeof (struct dep), 1),
 352                     sizeof (struct dep));
 353       (void) define_variable ("SUFFIXES", 8, default_suffixes, o_default, 0);
 354     }
 355 }
 356
 357 /* Enter the default suffix rules as file rules.  This used to be done in
 358    install_default_implicit_rules, but that loses because we want the
 359    suffix rules installed before reading makefiles, and thee pattern rules
 360    installed after.  */
 361
 362 void
 363 install_default_suffix_rules ()
 364 {
 365   register char **s;
 366
 367   if (no_builtin_rules_flag)
 368     return;
 369
 370  for (s = default_suffix_rules; *s != 0; s += 2)
 371     {
 372       register struct file *f = enter_file (s[0]);
 373       /* Don't clobber cmds given in a makefile if there were any.  */
 374       if (f->cmds == 0)
 375         {
 376           f->cmds = (struct commands *) xmalloc (sizeof (struct commands));
 377           f->cmds->filename = 0;
 378           f->cmds->commands = s[1];
 379           f->cmds->command_lines = 0;
 380         }
 381     }
 382 }
 383
 384
 385 /* Install the default pattern rules.  */
 386
 387 void
 388 install_default_implicit_rules ()
 389 {
 390   register struct pspec *p;
 391
 392   if (no_builtin_rules_flag)
 393     return;
 394
 395   for (p = default_pattern_rules; p->target != 0; ++p)
 396     install_pattern_rule (p, 0);
 397
 398   for (p = default_terminal_rules; p->target != 0; ++p)
 399     install_pattern_rule (p, 1);
 400 }
 401
 402 void
 403 define_default_variables ()
 404 {
 405   register char **s;
 406
 407   for (s = default_variables; *s != 0; s += 2)
 408     (void) define_variable (s[0], strlen (s[0]), s[1], o_default, 1);
 409 }