default.c

   1 /* Data base of default implicit rules for GNU Make.
   2 Copyright (C) 1988, 1989, 1990, 1991, 1992, 1993 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
  27 /* This is the default list of suffixes for suffix rules.
  28    `.s' must come last, so that a `.o' file will be made from
  29    a `.c' or `.p' or ... file rather than from a .s file.  */
  30
  31 static char default_suffixes[]
  32   = ".out .a .ln .o .c .cc .C .p .f .F .r .y .l .s .S \
  33 .mod .sym .def .h .info .dvi .tex .texinfo .texi .txinfo \
  34 .w .ch .web .sh .elc .el";
  35
  36 static struct pspec default_pattern_rules[] =
  37   {
  38     { "(%)", "%",
  39         "$(AR) $(ARFLAGS) $@ $<" },
  40
  41     /* The X.out rules are only in BSD's default set because
  42        BSD Make has no null-suffix rules, so `foo.out' and
  43        `foo' are the same thing.  */
  44     { "%.out", "%",
  45         "@rm -f $@ \n cp $< $@" },
  46
  47     /* Syntax is "ctangle foo.w foo.ch foo.c".  */
  48     { "%.c", "%.w %.ch",
  49         "$(CTANGLE) $^ $@" },
  50     { "%.tex", "%.w %.ch",
  51         "$(CWEAVE) $^ $@" },
  52
  53     { 0, 0, 0 }
  54   };
  55
  56 static struct pspec default_terminal_rules[] =
  57   {
  58     /* RCS.  */
  59     { "%", "%,v",
  60         "+$(CHECKOUT,v)" },
  61     { "%", "RCS/%,v",
  62         "+$(CHECKOUT,v)" },
  63
  64     /* SCCS.  */
  65     { "%", "s.%",
  66         "$(GET) $(GFLAGS) $<" },
  67     { "%", "SCCS/s.%",
  68         "$(GET) $(GFLAGS) $<" },
  69
  70     { 0, 0, 0 }
  71   };
  72
  73 static char *default_suffix_rules[] =
  74   {
  75     ".o",
  76     "$(LINK.o) $^ $(LOADLIBES) $(LDLIBS) -o $@",
  77     ".s",
  78     "$(LINK.s) $^ $(LOADLIBES) $(LDLIBS) -o $@",
  79     ".S",
  80     "$(LINK.S) $^ $(LOADLIBES) $(LDLIBS) -o $@",
  81     ".c",
  82     "$(LINK.c) $^ $(LOADLIBES) $(LDLIBS) -o $@",
  83     ".cc",
  84     "$(LINK.cc) $^ $(LOADLIBES) $(LDLIBS) -o $@",
  85     ".C",
  86     "$(LINK.C) $^ $(LOADLIBES) $(LDLIBS) -o $@",
  87     ".f",
  88     "$(LINK.f) $^ $(LOADLIBES) $(LDLIBS) -o $@",
  89     ".p",
  90     "$(LINK.p) $^ $(LOADLIBES) $(LDLIBS) -o $@",
  91     ".F",
  92     "$(LINK.F) $^ $(LOADLIBES) $(LDLIBS) -o $@",
  93     ".r",
  94     "$(LINK.r) $^ $(LOADLIBES) $(LDLIBS) -o $@",
  95     ".mod",
  96     "$(COMPILE.mod) -o $@ -e $@ $^",
  97
  98     ".def.sym",
  99     "$(COMPILE.def) -o $@ $<",
 100
 101     ".sh",
 102     "cat $< >$@ \n chmod a+x $@",
 103
 104     ".s.o",
 105 #if !defined(M_XENIX) || defined(__GNUC__)
 106     "$(COMPILE.s) -o $@ $<",
 107 #else   /* Xenix.  */
 108     "$(COMPILE.s) -o$@ $<",
 109 #endif  /* Not Xenix.  */
 110     ".S.o",
 111 #if !defined(M_XENIX) || defined(__GNUC__)
 112     "$(COMPILE.S) -o $@ $<",
 113 #else   /* Xenix.  */
 114     "$(COMPILE.S) -o$@ $<",
 115 #endif  /* Not Xenix.  */
 116     ".c.o",
 117     "$(COMPILE.c) $< $(OUTPUT_OPTION)",
 118     ".cc.o",
 119     "$(COMPILE.cc) $< $(OUTPUT_OPTION)",
 120     ".C.o",
 121     "$(COMPILE.C) $< $(OUTPUT_OPTION)",
 122     ".f.o",
 123     "$(COMPILE.f) $< $(OUTPUT_OPTION)",
 124     ".p.o",
 125     "$(COMPILE.p) $< $(OUTPUT_OPTION)",
 126     ".F.o",
 127     "$(COMPILE.F) $< $(OUTPUT_OPTION)",
 128     ".r.o",
 129     "$(COMPILE.r) $< $(OUTPUT_OPTION)",
 130     ".mod.o",
 131     "$(COMPILE.mod) -o $@ $<",
 132
 133     ".c.ln",
 134     "$(LINT.c) -C$* $<",
 135     ".y.ln",
 136     "$(YACC.y) $< \n $(LINT.c) -C$* y.tab.c \n $(RM) y.tab.c",
 137     ".l.ln",
 138     "@$(RM) $*.c\n $(LEX.l) $< > $*.c\n$(LINT.c) -i $*.c -o $@\n $(RM) $*.c",
 139
 140     ".y.c",
 141     "$(YACC.y) $< \n mv -f y.tab.c $@",
 142     ".l.c",
 143     "@$(RM) $@ \n $(LEX.l) $< > $@",
 144
 145     ".F.f",
 146     "$(PREPROCESS.F) $< $(OUTPUT_OPTION)",
 147     ".r.f",
 148     "$(PREPROCESS.r) $< $(OUTPUT_OPTION)",
 149
 150     /* This might actually make lex.yy.c if there's no %R%
 151        directive in $*.l, but in that case why were you
 152        trying to make $*.r anyway?  */
 153     ".l.r",
 154     "$(LEX.l) $< > $@ \n mv -f lex.yy.r $@",
 155
 156     ".S.s",
 157     "$(PREPROCESS.S) $< > $@",
 158
 159     ".texinfo.info",
 160     "$(MAKEINFO) $< -o $@",
 161
 162     ".texi.info",
 163     "$(MAKEINFO) $< -o $@",
 164
 165     ".txinfo.info",
 166     "$(MAKEINFO) $< -o $@",
 167
 168     ".tex.dvi",
 169     "$(TEX) $<",
 170
 171     ".texinfo.dvi",
 172     "$(TEXI2DVI) $<",
 173
 174     ".texi.dvi",
 175     "$(TEXI2DVI) $<",
 176
 177     ".txinfo.dvi",
 178     "$(TEXI2DVI) $<",
 179
 180     ".w.c",
 181     "$(CTANGLE) $< - $@",       /* The `-' says there is no `.ch' file.  */
 182
 183     ".web.p",
 184     "$(TANGLE) $<",
 185
 186     ".w.tex",
 187     "$(CWEAVE) $< - $@",        /* The `-' says there is no `.ch' file.  */
 188
 189     ".web.tex",
 190     "$(WEAVE) $<",
 191
 192     0, 0,
 193   };
 194
 195 static char *default_variables[] =
 196   {
 197     "AR", "ar",
 198     "ARFLAGS", "rv",
 199     "AS", "as",
 200     "CC", "cc",
 201     "CXX", "g++",
 202
 203     /* This expands to $(CO) $(COFLAGS) $< $@ if $@ does not exist,
 204        and to the empty string if $@ does exist.  */
 205     "CHECKOUT,v",
 206     "$(patsubst $@-noexist,$(CO) $(COFLAGS) $< $@,\
 207                 $(filter-out $@,$(firstword $(wildcard $@) $@-noexist)))",
 208
 209     "CO", "co",
 210     "CPP", "$(CC) -E",
 211 #ifdef  CRAY
 212     "CF77PPFLAGS", "-P",
 213     "CF77PP", "/lib/cpp",
 214     "CFT", "cft77",
 215     "CF", "cf77",
 216     "FC", "$(CF)",
 217 #else   /* Not CRAY.  */
 218 #ifdef  _IBMR2
 219     "FC", "xlf",
 220 #else
 221 #ifdef  __convex__
 222     "FC", "fc",
 223 #else
 224     "FC", "f77",
 225 #endif /* __convex__ */
 226 #endif /* _IBMR2 */
 227     /* System V uses these, so explicit rules using them should work.
 228        However, there is no way to make implicit rules use them and FC.  */
 229     "F77", "$(FC)",
 230     "F77FLAGS", "$(FFLAGS)",
 231 #endif  /* Cray.  */
 232     "GET", SCCS_GET,
 233     "LD", "ld",
 234     "LEX", "lex",
 235     "LINT", "lint",
 236     "M2C", "m2c",
 237 #ifdef  pyr
 238     "PC", "pascal",
 239 #else
 240 #ifdef  CRAY
 241     "PC", "PASCAL",
 242     "SEGLDR", "segldr",
 243 #else
 244     "PC", "pc",
 245 #endif  /* CRAY.  */
 246 #endif  /* pyr.  */
 247     "YACC", "yacc",     /* Or "bison -y"  */
 248     "MAKEINFO", "makeinfo",
 249     "TEX", "tex",
 250     "TEXI2DVI", "texi2dvi",
 251     "WEAVE", "weave",
 252     "CWEAVE", "cweave",
 253     "TANGLE", "tangle",
 254     "CTANGLE", "ctangle",
 255
 256     "RM", "rm -f",
 257
 258     "LINK.o", "$(CC) $(LDFLAGS) $(TARGET_ARCH)",
 259     "COMPILE.c", "$(CC) $(CFLAGS) $(CPPFLAGS) $(TARGET_ARCH) -c",
 260     "LINK.c", "$(CC) $(CFLAGS) $(CPPFLAGS) $(LDFLAGS) $(TARGET_ARCH)",
 261     "COMPILE.cc", "$(CXX) $(CXXFLAGS) $(CPPFLAGS) $(TARGET_ARCH) -c",
 262     "COMPILE.C", "$(COMPILE.cc)",
 263     "LINK.cc", "$(CXX) $(CXXFLAGS) $(CPPFLAGS) $(LDFLAGS) $(TARGET_ARCH)",
 264     "LINK.C", "$(LINK.cc)",
 265     "YACC.y", "$(YACC) $(YFLAGS)",
 266     "LEX.l", "$(LEX) $(LFLAGS) -t",
 267     "COMPILE.f", "$(FC) $(FFLAGS) $(TARGET_ARCH) -c",
 268     "LINK.f", "$(FC) $(FFLAGS) $(LDFLAGS) $(TARGET_ARCH)",
 269     "COMPILE.F", "$(FC) $(FFLAGS) $(CPPFLAGS) $(TARGET_ARCH) -c",
 270     "LINK.F", "$(FC) $(FFLAGS) $(CPPFLAGS) $(LDFLAGS) $(TARGET_ARCH)",
 271     "COMPILE.r", "$(FC) $(FFLAGS) $(RFLAGS) $(TARGET_ARCH) -c",
 272     "LINK.r", "$(FC) $(FFLAGS) $(RFLAGS) $(LDFLAGS) $(TARGET_ARCH)",
 273     "COMPILE.def", "$(M2C) $(M2FLAGS) $(DEFFLAGS) $(TARGET_ARCH)",
 274     "COMPILE.mod", "$(M2C) $(M2FLAGS) $(MODFLAGS) $(TARGET_ARCH)",
 275     "COMPILE.p", "$(PC) $(PFLAGS) $(CPPFLAGS) $(TARGET_ARCH) -c",
 276     "LINK.p", "$(PC) $(PFLAGS) $(CPPFLAGS) $(LDFLAGS) $(TARGET_ARCH)",
 277     "LINK.s", "$(CC) $(ASFLAGS) $(LDFLAGS) $(TARGET_MACH)",
 278     "COMPILE.s", "$(AS) $(ASFLAGS) $(TARGET_MACH)",
 279     "LINK.S", "$(CC) $(ASFLAGS) $(CPPFLAGS) $(LDFLAGS) $(TARGET_MACH)",
 280     "COMPILE.S", "$(CC) $(ASFLAGS) $(CPPFLAGS) $(TARGET_MACH) -c",
 281 #if !defined(M_XENIX) || defined(__GNUC__)
 282     "PREPROCESS.S", "$(CC) -E $(CPPFLAGS)",
 283 #else   /* Xenix.  */
 284     "PREPROCESS.S", "$(CC) -EP $(CPPFLAGS)",
 285 #endif  /* Not Xenix.  */
 286     "PREPROCESS.F", "$(FC) $(FFLAGS) $(CPPFLAGS) $(TARGET_ARCH) -F",
 287     "PREPROCESS.r", "$(FC) $(FFLAGS) $(RFLAGS) $(TARGET_ARCH) -F",
 288     "LINT.c", "$(LINT) $(LINTFLAGS) $(CPPFLAGS) $(TARGET_ARCH)",
 289
 290 #ifndef NO_MINUS_C_MINUS_O
 291 #if !defined(M_XENIX) || defined(__GNUC__)
 292     "OUTPUT_OPTION", "-o $@",
 293 #else   /* Xenix.  */
 294     "OUTPUT_OPTION", "-Fo$@",
 295 #endif  /* Not Xenix.  */
 296 #endif
 297
 298     0, 0
 299   };
 300 \f
 301 /* Set up the default .SUFFIXES list.  */
 302
 303 void
 304 set_default_suffixes ()
 305 {
 306   suffix_file = enter_file (".SUFFIXES");
 307
 308   if (no_builtin_rules_flag)
 309     (void) define_variable ("SUFFIXES", 8, "", o_default, 0);
 310   else
 311     {
 312       char *p = default_suffixes;
 313       suffix_file->deps = (struct dep *)
 314         multi_glob (parse_file_seq (&p, '\0', sizeof (struct dep), 1),
 315                     sizeof (struct dep));
 316       (void) define_variable ("SUFFIXES", 8, default_suffixes, o_default, 0);
 317     }
 318 }
 319
 320 /* Install the default pattern rules and enter
 321    the default suffix rules as file rules.  */
 322
 323 void
 324 install_default_implicit_rules ()
 325 {
 326   register struct pspec *p;
 327   register char **s;
 328
 329   if (no_builtin_rules_flag)
 330     return;
 331
 332   for (p = default_pattern_rules; p->target != 0; ++p)
 333     install_pattern_rule (p, 0);
 334
 335   for (p = default_terminal_rules; p->target != 0; ++p)
 336     install_pattern_rule (p, 1);
 337
 338   for (s = default_suffix_rules; *s != 0; s += 2)
 339     {
 340       register struct file *f = enter_file (s[0]);
 341       /* Don't clobber cmds given in a makefile if there were any.  */
 342       if (f->cmds == 0)
 343         {
 344           f->cmds = (struct commands *) xmalloc (sizeof (struct commands));
 345           f->cmds->filename = 0;
 346           f->cmds->commands = s[1];
 347           f->cmds->command_lines = 0;
 348         }
 349     }
 350 }
 351
 352 void
 353 define_default_variables ()
 354 {
 355   register char **s;
 356
 357   for (s = default_variables; *s != 0; s += 2)
 358     (void) define_variable (s[0], strlen (s[0]), s[1], o_default, 1);
 359 }