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 "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 $@",
 109
 110     ".s.o",
 111     "$(COMPILE.s) -o $@ $<",
 112     ".S.o",
 113     "$(COMPILE.S) -o $@ $<",
 114     ".c.o",
 115     "$(COMPILE.c) $< $(OUTPUT_OPTION)",
 116     ".cc.o",
 117     "$(COMPILE.cc) $< $(OUTPUT_OPTION)",
 118     ".C.o",
 119     "$(COMPILE.C) $< $(OUTPUT_OPTION)",
 120     ".f.o",
 121     "$(COMPILE.f) $< $(OUTPUT_OPTION)",
 122     ".p.o",
 123     "$(COMPILE.p) $< $(OUTPUT_OPTION)",
 124     ".F.o",
 125     "$(COMPILE.F) $< $(OUTPUT_OPTION)",
 126     ".r.o",
 127     "$(COMPILE.r) $< $(OUTPUT_OPTION)",
 128     ".mod.o",
 129     "$(COMPILE.mod) -o $@ $<",
 130
 131     ".c.ln",
 132     "$(LINT.c) -C$* $<",
 133     ".y.ln",
 134 #ifndef __MSDOS__
 135     "$(YACC.y) $< \n $(LINT.c) -C$* y.tab.c \n $(RM) y.tab.c",
 136 #else
 137     "$(YACC.y) $< \n $(LINT.c) -C$* y_tab.c \n $(RM) y_tab.c",
 138 #endif
 139     ".l.ln",
 140     "@$(RM) $*.c\n $(LEX.l) $< > $*.c\n$(LINT.c) -i $*.c -o $@\n $(RM) $*.c",
 141
 142     ".y.c",
 143 #ifndef __MSDOS__
 144     "$(YACC.y) $< \n mv -f y.tab.c $@",
 145 #else
 146     "$(YACC.y) $< \n mv -f y_tab.c $@",
 147 #endif
 148     ".l.c",
 149     "@$(RM) $@ \n $(LEX.l) $< > $@",
 150
 151     ".F.f",
 152     "$(PREPROCESS.F) $< $(OUTPUT_OPTION)",
 153     ".r.f",
 154     "$(PREPROCESS.r) $< $(OUTPUT_OPTION)",
 155
 156     /* This might actually make lex.yy.c if there's no %R%
 157        directive in $*.l, but in that case why were you
 158        trying to make $*.r anyway?  */
 159     ".l.r",
 160     "$(LEX.l) $< > $@ \n mv -f lex.yy.r $@",
 161
 162     ".S.s",
 163     "$(PREPROCESS.S) $< > $@",
 164
 165     ".texinfo.info",
 166     "$(MAKEINFO) $(MAKEINFO_FLAGS) $< -o $@",
 167
 168     ".texi.info",
 169     "$(MAKEINFO) $(MAKEINFO_FLAGS) $< -o $@",
 170
 171     ".txinfo.info",
 172     "$(MAKEINFO) $(MAKEINFO_FLAGS) $< -o $@",
 173
 174     ".tex.dvi",
 175     "$(TEX) $<",
 176
 177     ".texinfo.dvi",
 178     "$(TEXI2DVI) $(TEXI2DVI_FLAGS) $<",
 179
 180     ".texi.dvi",
 181     "$(TEXI2DVI) $(TEXI2DVI_FLAGS) $<",
 182
 183     ".txinfo.dvi",
 184     "$(TEXI2DVI) $(TEXI2DVI_FLAGS) $<",
 185
 186     ".w.c",
 187     "$(CTANGLE) $< - $@",       /* The `-' says there is no `.ch' file.  */
 188
 189     ".web.p",
 190     "$(TANGLE) $<",
 191
 192     ".w.tex",
 193     "$(CWEAVE) $< - $@",        /* The `-' says there is no `.ch' file.  */
 194
 195     ".web.tex",
 196     "$(WEAVE) $<",
 197
 198     0, 0,
 199   };
 200
 201 static char *default_variables[] =
 202   {
 203     "AR", "ar",
 204     "ARFLAGS", "rv",
 205     "AS", "as",
 206 #ifdef GCC_IS_NATIVE
 207     "CC", "gcc",
 208     "CXX", "gcc",
 209 #else
 210     "CC", "cc",
 211     "CXX", "g++",
 212 #endif
 213
 214     /* This expands to $(CO) $(COFLAGS) $< $@ if $@ does not exist,
 215        and to the empty string if $@ does exist.  */
 216     "CHECKOUT,v",
 217     "+$(patsubst $@-noexist,$(CO) $(COFLAGS) $< $@,\
 218                  $(filter-out $@,$(firstword $(wildcard $@) $@-noexist)))",
 219
 220     "CO", "co",
 221     "CPP", "$(CC) -E",
 222 #ifdef  CRAY
 223     "CF77PPFLAGS", "-P",
 224     "CF77PP", "/lib/cpp",
 225     "CFT", "cft77",
 226     "CF", "cf77",
 227     "FC", "$(CF)",
 228 #else   /* Not CRAY.  */
 229 #ifdef  _IBMR2
 230     "FC", "xlf",
 231 #else
 232 #ifdef  __convex__
 233     "FC", "fc",
 234 #else
 235     "FC", "f77",
 236 #endif /* __convex__ */
 237 #endif /* _IBMR2 */
 238     /* System V uses these, so explicit rules using them should work.
 239        However, there is no way to make implicit rules use them and FC.  */
 240     "F77", "$(FC)",
 241     "F77FLAGS", "$(FFLAGS)",
 242 #endif  /* Cray.  */
 243     "GET", SCCS_GET,
 244     "LD", "ld",
 245 #ifdef GCC_IS_NATIVE
 246     "LEX", "flex",
 247 #else
 248     "LEX", "lex",
 249 #endif
 250     "LINT", "lint",
 251     "M2C", "m2c",
 252 #ifdef  pyr
 253     "PC", "pascal",
 254 #else
 255 #ifdef  CRAY
 256     "PC", "PASCAL",
 257     "SEGLDR", "segldr",
 258 #else
 259     "PC", "pc",
 260 #endif  /* CRAY.  */
 261 #endif  /* pyr.  */
 262 #ifdef GCC_IS_NATIVE
 263     "YACC", "bison -y",
 264 #else
 265     "YACC", "yacc",     /* Or "bison -y"  */
 266 #endif
 267     "MAKEINFO", "makeinfo",
 268     "TEX", "tex",
 269     "TEXI2DVI", "texi2dvi",
 270     "WEAVE", "weave",
 271     "CWEAVE", "cweave",
 272     "TANGLE", "tangle",
 273     "CTANGLE", "ctangle",
 274
 275     "RM", "rm -f",
 276
 277     "LINK.o", "$(CC) $(LDFLAGS) $(TARGET_ARCH)",
 278     "COMPILE.c", "$(CC) $(CFLAGS) $(CPPFLAGS) $(TARGET_ARCH) -c",
 279     "LINK.c", "$(CC) $(CFLAGS) $(CPPFLAGS) $(LDFLAGS) $(TARGET_ARCH)",
 280     "COMPILE.cc", "$(CXX) $(CXXFLAGS) $(CPPFLAGS) $(TARGET_ARCH) -c",
 281     "COMPILE.C", "$(COMPILE.cc)",
 282     "LINK.cc", "$(CXX) $(CXXFLAGS) $(CPPFLAGS) $(LDFLAGS) $(TARGET_ARCH)",
 283     "LINK.C", "$(LINK.cc)",
 284     "YACC.y", "$(YACC) $(YFLAGS)",
 285     "LEX.l", "$(LEX) $(LFLAGS) -t",
 286     "COMPILE.f", "$(FC) $(FFLAGS) $(TARGET_ARCH) -c",
 287     "LINK.f", "$(FC) $(FFLAGS) $(LDFLAGS) $(TARGET_ARCH)",
 288     "COMPILE.F", "$(FC) $(FFLAGS) $(CPPFLAGS) $(TARGET_ARCH) -c",
 289     "LINK.F", "$(FC) $(FFLAGS) $(CPPFLAGS) $(LDFLAGS) $(TARGET_ARCH)",
 290     "COMPILE.r", "$(FC) $(FFLAGS) $(RFLAGS) $(TARGET_ARCH) -c",
 291     "LINK.r", "$(FC) $(FFLAGS) $(RFLAGS) $(LDFLAGS) $(TARGET_ARCH)",
 292     "COMPILE.def", "$(M2C) $(M2FLAGS) $(DEFFLAGS) $(TARGET_ARCH)",
 293     "COMPILE.mod", "$(M2C) $(M2FLAGS) $(MODFLAGS) $(TARGET_ARCH)",
 294     "COMPILE.p", "$(PC) $(PFLAGS) $(CPPFLAGS) $(TARGET_ARCH) -c",
 295     "LINK.p", "$(PC) $(PFLAGS) $(CPPFLAGS) $(LDFLAGS) $(TARGET_ARCH)",
 296     "LINK.s", "$(CC) $(ASFLAGS) $(LDFLAGS) $(TARGET_MACH)",
 297     "COMPILE.s", "$(AS) $(ASFLAGS) $(TARGET_MACH)",
 298     "LINK.S", "$(CC) $(ASFLAGS) $(CPPFLAGS) $(LDFLAGS) $(TARGET_MACH)",
 299     "COMPILE.S", "$(CC) $(ASFLAGS) $(CPPFLAGS) $(TARGET_MACH) -c",
 300     "PREPROCESS.S", "$(CC) -E $(CPPFLAGS)",
 301     "PREPROCESS.F", "$(FC) $(FFLAGS) $(CPPFLAGS) $(TARGET_ARCH) -F",
 302     "PREPROCESS.r", "$(FC) $(FFLAGS) $(RFLAGS) $(TARGET_ARCH) -F",
 303     "LINT.c", "$(LINT) $(LINTFLAGS) $(CPPFLAGS) $(TARGET_ARCH)",
 304
 305 #ifndef NO_MINUS_C_MINUS_O
 306     "OUTPUT_OPTION", "-o $@",
 307 #endif
 308
 309 #ifdef  SCCS_GET_MINUS_G
 310     "SCCS_OUTPUT_OPTION", "-G$@",
 311 #endif
 312
 313     0, 0
 314   };
 315 \f
 316 /* Set up the default .SUFFIXES list.  */
 317
 318 void
 319 set_default_suffixes ()
 320 {
 321   suffix_file = enter_file (".SUFFIXES");
 322
 323   if (no_builtin_rules_flag)
 324     (void) define_variable ("SUFFIXES", 8, "", o_default, 0);
 325   else
 326     {
 327       char *p = default_suffixes;
 328       suffix_file->deps = (struct dep *)
 329         multi_glob (parse_file_seq (&p, '\0', sizeof (struct dep), 1),
 330                     sizeof (struct dep));
 331       (void) define_variable ("SUFFIXES", 8, default_suffixes, o_default, 0);
 332     }
 333 }
 334
 335 /* Enter the default suffix rules as file rules.  This used to be done in
 336    install_default_implicit_rules, but that loses because we want the
 337    suffix rules installed before reading makefiles, and thee pattern rules
 338    installed after.  */
 339
 340 void
 341 install_default_suffix_rules ()
 342 {
 343   register char **s;
 344
 345   if (no_builtin_rules_flag)
 346     return;
 347
 348  for (s = default_suffix_rules; *s != 0; s += 2)
 349     {
 350       register struct file *f = enter_file (s[0]);
 351       /* Don't clobber cmds given in a makefile if there were any.  */
 352       if (f->cmds == 0)
 353         {
 354           f->cmds = (struct commands *) xmalloc (sizeof (struct commands));
 355           f->cmds->filename = 0;
 356           f->cmds->commands = s[1];
 357           f->cmds->command_lines = 0;
 358         }
 359     }
 360 }
 361
 362
 363 /* Install the default pattern rules.  */
 364
 365 void
 366 install_default_implicit_rules ()
 367 {
 368   register struct pspec *p;
 369
 370   if (no_builtin_rules_flag)
 371     return;
 372
 373   for (p = default_pattern_rules; p->target != 0; ++p)
 374     install_pattern_rule (p, 0);
 375
 376   for (p = default_terminal_rules; p->target != 0; ++p)
 377     install_pattern_rule (p, 1);
 378 }
 379
 380 void
 381 define_default_variables ()
 382 {
 383   register char **s;
 384
 385   for (s = default_variables; *s != 0; s += 2)
 386     (void) define_variable (s[0], strlen (s[0]), s[1], o_default, 1);
 387 }