src/patches/flex-2.6.4-fix-build-width-glibc-2.6+.patch

   1 Backport of https://github.com/westes/flex/commit/24fd0551333e7eded87b64dd36062da3df2f6380
   2
   3 Bug: https://bugs.gentoo.org/628744
   4
   5 --- a/configure
   6 +++ b/configure
   7 @@ -3605,13 +3605,142 @@ test -z "$SED" && SED=sed
   8  Xsed="$SED -e 1s/^X//"
   9
  10
  11 +ac_ext=c
  12 +ac_cpp='$CPP $CPPFLAGS'
  13 +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
  14 +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
  15 +ac_compiler_gnu=$ac_cv_c_compiler_gnu
  16 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking how to run the C preprocessor" >&5
  17 +$as_echo_n "checking how to run the C preprocessor... " >&6; }
  18 +# On Suns, sometimes $CPP names a directory.
  19 +if test -n "$CPP" && test -d "$CPP"; then
  20 +  CPP=
  21 +fi
  22 +if test -z "$CPP"; then
  23 +  if ${ac_cv_prog_CPP+:} false; then :
  24 +  $as_echo_n "(cached) " >&6
  25 +else
  26 +      # Double quotes because CPP needs to be expanded
  27 +    for CPP in "$CC -E" "$CC -E -traditional-cpp" "/lib/cpp"
  28 +    do
  29 +      ac_preproc_ok=false
  30 +for ac_c_preproc_warn_flag in '' yes
  31 +do
  32 +  # Use a header file that comes with gcc, so configuring glibc
  33 +  # with a fresh cross-compiler works.
  34 +  # Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
  35 +  # <limits.h> exists even on freestanding compilers.
  36 +  # On the NeXT, cc -E runs the code through the compiler's parser,
  37 +  # not just through cpp. "Syntax error" is here to catch this case.
  38 +  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
  39 +/* end confdefs.h.  */
  40 +#ifdef __STDC__
  41 +# include <limits.h>
  42 +#else
  43 +# include <assert.h>
  44 +#endif
  45 +                    Syntax error
  46 +_ACEOF
  47 +if ac_fn_c_try_cpp "$LINENO"; then :
  48 +
  49 +else
  50 +  # Broken: fails on valid input.
  51 +continue
  52 +fi
  53 +rm -f conftest.err conftest.i conftest.$ac_ext
  54 +
  55 +  # OK, works on sane cases.  Now check whether nonexistent headers
  56 +  # can be detected and how.
  57 +  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
  58 +/* end confdefs.h.  */
  59 +#include <ac_nonexistent.h>
  60 +_ACEOF
  61 +if ac_fn_c_try_cpp "$LINENO"; then :
  62 +  # Broken: success on invalid input.
  63 +continue
  64 +else
  65 +  # Passes both tests.
  66 +ac_preproc_ok=:
  67 +break
  68 +fi
  69 +rm -f conftest.err conftest.i conftest.$ac_ext
  70 +
  71 +done
  72 +# Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped.
  73 +rm -f conftest.i conftest.err conftest.$ac_ext
  74 +if $ac_preproc_ok; then :
  75 +  break
  76 +fi
  77
  78 +    done
  79 +    ac_cv_prog_CPP=$CPP
  80
  81 +fi
  82 +  CPP=$ac_cv_prog_CPP
  83 +else
  84 +  ac_cv_prog_CPP=$CPP
  85 +fi
  86 +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $CPP" >&5
  87 +$as_echo "$CPP" >&6; }
  88 +ac_preproc_ok=false
  89 +for ac_c_preproc_warn_flag in '' yes
  90 +do
  91 +  # Use a header file that comes with gcc, so configuring glibc
  92 +  # with a fresh cross-compiler works.
  93 +  # Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
  94 +  # <limits.h> exists even on freestanding compilers.
  95 +  # On the NeXT, cc -E runs the code through the compiler's parser,
  96 +  # not just through cpp. "Syntax error" is here to catch this case.
  97 +  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
  98 +/* end confdefs.h.  */
  99 +#ifdef __STDC__
 100 +# include <limits.h>
 101 +#else
 102 +# include <assert.h>
 103 +#endif
 104 +                    Syntax error
 105 +_ACEOF
 106 +if ac_fn_c_try_cpp "$LINENO"; then :
 107
 108 +else
 109 +  # Broken: fails on valid input.
 110 +continue
 111 +fi
 112 +rm -f conftest.err conftest.i conftest.$ac_ext
 113
 114 +  # OK, works on sane cases.  Now check whether nonexistent headers
 115 +  # can be detected and how.
 116 +  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 117 +/* end confdefs.h.  */
 118 +#include <ac_nonexistent.h>
 119 +_ACEOF
 120 +if ac_fn_c_try_cpp "$LINENO"; then :
 121 +  # Broken: success on invalid input.
 122 +continue
 123 +else
 124 +  # Passes both tests.
 125 +ac_preproc_ok=:
 126 +break
 127 +fi
 128 +rm -f conftest.err conftest.i conftest.$ac_ext
 129
 130 +done
 131 +# Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped.
 132 +rm -f conftest.i conftest.err conftest.$ac_ext
 133 +if $ac_preproc_ok; then :
 134
 135 +else
 136 +  { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
 137 +$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
 138 +as_fn_error $? "C preprocessor \"$CPP\" fails sanity check
 139 +See \`config.log' for more details" "$LINENO" 5; }
 140 +fi
 141
 142 +ac_ext=c
 143 +ac_cpp='$CPP $CPPFLAGS'
 144 +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
 145 +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
 146 +ac_compiler_gnu=$ac_cv_c_compiler_gnu
 147
 148
 149  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for grep that handles long lines and -e" >&5
 150 @@ -3744,91 +3873,208 @@ $as_echo "$ac_cv_path_EGREP" >&6; }
 151   EGREP="$ac_cv_path_EGREP"
 152
 153
 154 -{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for fgrep" >&5
 155 -$as_echo_n "checking for fgrep... " >&6; }
 156 -if ${ac_cv_path_FGREP+:} false; then :
 157 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for ANSI C header files" >&5
 158 +$as_echo_n "checking for ANSI C header files... " >&6; }
 159 +if ${ac_cv_header_stdc+:} false; then :
 160    $as_echo_n "(cached) " >&6
 161  else
 162 -  if echo 'ab*c' | $GREP -F 'ab*c' >/dev/null 2>&1
 163 -   then ac_cv_path_FGREP="$GREP -F"
 164 -   else
 165 -     if test -z "$FGREP"; then
 166 -  ac_path_FGREP_found=false
 167 -  # Loop through the user's path and test for each of PROGNAME-LIST
 168 -  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
 169 -for as_dir in $PATH$PATH_SEPARATOR/usr/xpg4/bin
 170 -do
 171 -  IFS=$as_save_IFS
 172 -  test -z "$as_dir" && as_dir=.
 173 -    for ac_prog in fgrep; do
 174 -    for ac_exec_ext in '' $ac_executable_extensions; do
 175 -      ac_path_FGREP="$as_dir/$ac_prog$ac_exec_ext"
 176 -      as_fn_executable_p "$ac_path_FGREP" || continue
 177 -# Check for GNU ac_path_FGREP and select it if it is found.
 178 -  # Check for GNU $ac_path_FGREP
 179 -case `"$ac_path_FGREP" --version 2>&1` in
 180 -*GNU*)
 181 -  ac_cv_path_FGREP="$ac_path_FGREP" ac_path_FGREP_found=:;;
 182 -*)
 183 -  ac_count=0
 184 -  $as_echo_n 0123456789 >"conftest.in"
 185 -  while :
 186 -  do
 187 -    cat "conftest.in" "conftest.in" >"conftest.tmp"
 188 -    mv "conftest.tmp" "conftest.in"
 189 -    cp "conftest.in" "conftest.nl"
 190 -    $as_echo 'FGREP' >> "conftest.nl"
 191 -    "$ac_path_FGREP" FGREP < "conftest.nl" >"conftest.out" 2>/dev/null || break
 192 -    diff "conftest.out" "conftest.nl" >/dev/null 2>&1 || break
 193 -    as_fn_arith $ac_count + 1 && ac_count=$as_val
 194 -    if test $ac_count -gt ${ac_path_FGREP_max-0}; then
 195 -      # Best one so far, save it but keep looking for a better one
 196 -      ac_cv_path_FGREP="$ac_path_FGREP"
 197 -      ac_path_FGREP_max=$ac_count
 198 -    fi
 199 -    # 10*(2^10) chars as input seems more than enough
 200 -    test $ac_count -gt 10 && break
 201 -  done
 202 -  rm -f conftest.in conftest.tmp conftest.nl conftest.out;;
 203 -esac
 204 +  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 205 +/* end confdefs.h.  */
 206 +#include <stdlib.h>
 207 +#include <stdarg.h>
 208 +#include <string.h>
 209 +#include <float.h>
 210
 211 -      $ac_path_FGREP_found && break 3
 212 -    done
 213 -  done
 214 -  done
 215 -IFS=$as_save_IFS
 216 -  if test -z "$ac_cv_path_FGREP"; then
 217 -    as_fn_error $? "no acceptable fgrep could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" "$LINENO" 5
 218 -  fi
 219 -else
 220 -  ac_cv_path_FGREP=$FGREP
 221 -fi
 222 +int
 223 +main ()
 224 +{
 225
 226 -   fi
 227 +  ;
 228 +  return 0;
 229 +}
 230 +_ACEOF
 231 +if ac_fn_c_try_compile "$LINENO"; then :
 232 +  ac_cv_header_stdc=yes
 233 +else
 234 +  ac_cv_header_stdc=no
 235  fi
 236 -{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_FGREP" >&5
 237 -$as_echo "$ac_cv_path_FGREP" >&6; }
 238 - FGREP="$ac_cv_path_FGREP"
 239 -
 240 +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 241
 242 -test -z "$GREP" && GREP=grep
 243 +if test $ac_cv_header_stdc = yes; then
 244 +  # SunOS 4.x string.h does not declare mem*, contrary to ANSI.
 245 +  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 246 +/* end confdefs.h.  */
 247 +#include <string.h>
 248
 249 +_ACEOF
 250 +if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
 251 +  $EGREP "memchr" >/dev/null 2>&1; then :
 252
 253 +else
 254 +  ac_cv_header_stdc=no
 255 +fi
 256 +rm -f conftest*
 257
 258 +fi
 259
 260 +if test $ac_cv_header_stdc = yes; then
 261 +  # ISC 2.0.2 stdlib.h does not declare free, contrary to ANSI.
 262 +  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 263 +/* end confdefs.h.  */
 264 +#include <stdlib.h>
 265
 266 +_ACEOF
 267 +if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
 268 +  $EGREP "free" >/dev/null 2>&1; then :
 269
 270 +else
 271 +  ac_cv_header_stdc=no
 272 +fi
 273 +rm -f conftest*
 274
 275 +fi
 276
 277 +if test $ac_cv_header_stdc = yes; then
 278 +  # /bin/cc in Irix-4.0.5 gets non-ANSI ctype macros unless using -ansi.
 279 +  if test "$cross_compiling" = yes; then :
 280 +  :
 281 +else
 282 +  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 283 +/* end confdefs.h.  */
 284 +#include <ctype.h>
 285 +#include <stdlib.h>
 286 +#if ((' ' & 0x0FF) == 0x020)
 287 +# define ISLOWER(c) ('a' <= (c) && (c) <= 'z')
 288 +# define TOUPPER(c) (ISLOWER(c) ? 'A' + ((c) - 'a') : (c))
 289 +#else
 290 +# define ISLOWER(c) \
 291 +                  (('a' <= (c) && (c) <= 'i') \
 292 +                    || ('j' <= (c) && (c) <= 'r') \
 293 +                    || ('s' <= (c) && (c) <= 'z'))
 294 +# define TOUPPER(c) (ISLOWER(c) ? ((c) | 0x40) : (c))
 295 +#endif
 296
 297 +#define XOR(e, f) (((e) && !(f)) || (!(e) && (f)))
 298 +int
 299 +main ()
 300 +{
 301 +  int i;
 302 +  for (i = 0; i < 256; i++)
 303 +    if (XOR (islower (i), ISLOWER (i))
 304 +       || toupper (i) != TOUPPER (i))
 305 +      return 2;
 306 +  return 0;
 307 +}
 308 +_ACEOF
 309 +if ac_fn_c_try_run "$LINENO"; then :
 310
 311 +else
 312 +  ac_cv_header_stdc=no
 313 +fi
 314 +rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
 315 +  conftest.$ac_objext conftest.beam conftest.$ac_ext
 316 +fi
 317
 318 +fi
 319 +fi
 320 +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_header_stdc" >&5
 321 +$as_echo "$ac_cv_header_stdc" >&6; }
 322 +if test $ac_cv_header_stdc = yes; then
 323
 324 +$as_echo "#define STDC_HEADERS 1" >>confdefs.h
 325
 326 +fi
 327
 328 +# On IRIX 5.3, sys/types and inttypes.h are conflicting.
 329 +for ac_header in sys/types.h sys/stat.h stdlib.h string.h memory.h strings.h \
 330 +                 inttypes.h stdint.h unistd.h
 331 +do :
 332 +  as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh`
 333 +ac_fn_c_check_header_compile "$LINENO" "$ac_header" "$as_ac_Header" "$ac_includes_default
 334 +"
 335 +if eval test \"x\$"$as_ac_Header"\" = x"yes"; then :
 336 +  cat >>confdefs.h <<_ACEOF
 337 +#define `$as_echo "HAVE_$ac_header" | $as_tr_cpp` 1
 338 +_ACEOF
 339 +
 340 +fi
 341 +
 342 +done
 343 +
 344 +
 345 +
 346 +  ac_fn_c_check_header_mongrel "$LINENO" "minix/config.h" "ac_cv_header_minix_config_h" "$ac_includes_default"
 347 +if test "x$ac_cv_header_minix_config_h" = xyes; then :
 348 +  MINIX=yes
 349 +else
 350 +  MINIX=
 351 +fi
 352 +
 353 +
 354 +  if test "$MINIX" = yes; then
 355
 356 +$as_echo "#define _POSIX_SOURCE 1" >>confdefs.h
 357
 358
 359 +$as_echo "#define _POSIX_1_SOURCE 2" >>confdefs.h
 360 +
 361 +
 362 +$as_echo "#define _MINIX 1" >>confdefs.h
 363 +
 364 +  fi
 365 +
 366 +
 367 +  { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether it is safe to define __EXTENSIONS__" >&5
 368 +$as_echo_n "checking whether it is safe to define __EXTENSIONS__... " >&6; }
 369 +if ${ac_cv_safe_to_define___extensions__+:} false; then :
 370 +  $as_echo_n "(cached) " >&6
 371 +else
 372 +  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 373 +/* end confdefs.h.  */
 374 +
 375 +#         define __EXTENSIONS__ 1
 376 +          $ac_includes_default
 377 +int
 378 +main ()
 379 +{
 380 +
 381 +  ;
 382 +  return 0;
 383 +}
 384 +_ACEOF
 385 +if ac_fn_c_try_compile "$LINENO"; then :
 386 +  ac_cv_safe_to_define___extensions__=yes
 387 +else
 388 +  ac_cv_safe_to_define___extensions__=no
 389 +fi
 390 +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 391 +fi
 392 +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_safe_to_define___extensions__" >&5
 393 +$as_echo "$ac_cv_safe_to_define___extensions__" >&6; }
 394 +  test $ac_cv_safe_to_define___extensions__ = yes &&
 395 +    $as_echo "#define __EXTENSIONS__ 1" >>confdefs.h
 396 +
 397 +  $as_echo "#define _ALL_SOURCE 1" >>confdefs.h
 398 +
 399 +  $as_echo "#define _GNU_SOURCE 1" >>confdefs.h
 400 +
 401 +  $as_echo "#define _POSIX_PTHREAD_SEMANTICS 1" >>confdefs.h
 402 +
 403 +  $as_echo "#define _TANDEM_SOURCE 1" >>confdefs.h
 404 +
 405 +
 406 +for ac_header in dlfcn.h
 407 +do :
 408 +  ac_fn_c_check_header_compile "$LINENO" "dlfcn.h" "ac_cv_header_dlfcn_h" "$ac_includes_default
 409 +"
 410 +if test "x$ac_cv_header_dlfcn_h" = xyes; then :
 411 +  cat >>confdefs.h <<_ACEOF
 412 +#define HAVE_DLFCN_H 1
 413 +_ACEOF
 414 +
 415 +fi
 416 +
 417 +done
 418
 419
 420  # Check whether --with-gnu-ld was given.
 421 @@ -6898,288 +7144,6 @@ func_munge_path_list ()
 422      esac
 423  }
 424
 425 -ac_ext=c
 426 -ac_cpp='$CPP $CPPFLAGS'
 427 -ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
 428 -ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
 429 -ac_compiler_gnu=$ac_cv_c_compiler_gnu
 430 -{ $as_echo "$as_me:${as_lineno-$LINENO}: checking how to run the C preprocessor" >&5
 431 -$as_echo_n "checking how to run the C preprocessor... " >&6; }
 432 -# On Suns, sometimes $CPP names a directory.
 433 -if test -n "$CPP" && test -d "$CPP"; then
 434 -  CPP=
 435 -fi
 436 -if test -z "$CPP"; then
 437 -  if ${ac_cv_prog_CPP+:} false; then :
 438 -  $as_echo_n "(cached) " >&6
 439 -else
 440 -      # Double quotes because CPP needs to be expanded
 441 -    for CPP in "$CC -E" "$CC -E -traditional-cpp" "/lib/cpp"
 442 -    do
 443 -      ac_preproc_ok=false
 444 -for ac_c_preproc_warn_flag in '' yes
 445 -do
 446 -  # Use a header file that comes with gcc, so configuring glibc
 447 -  # with a fresh cross-compiler works.
 448 -  # Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
 449 -  # <limits.h> exists even on freestanding compilers.
 450 -  # On the NeXT, cc -E runs the code through the compiler's parser,
 451 -  # not just through cpp. "Syntax error" is here to catch this case.
 452 -  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 453 -/* end confdefs.h.  */
 454 -#ifdef __STDC__
 455 -# include <limits.h>
 456 -#else
 457 -# include <assert.h>
 458 -#endif
 459 -                    Syntax error
 460 -_ACEOF
 461 -if ac_fn_c_try_cpp "$LINENO"; then :
 462 -
 463 -else
 464 -  # Broken: fails on valid input.
 465 -continue
 466 -fi
 467 -rm -f conftest.err conftest.i conftest.$ac_ext
 468 -
 469 -  # OK, works on sane cases.  Now check whether nonexistent headers
 470 -  # can be detected and how.
 471 -  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 472 -/* end confdefs.h.  */
 473 -#include <ac_nonexistent.h>
 474 -_ACEOF
 475 -if ac_fn_c_try_cpp "$LINENO"; then :
 476 -  # Broken: success on invalid input.
 477 -continue
 478 -else
 479 -  # Passes both tests.
 480 -ac_preproc_ok=:
 481 -break
 482 -fi
 483 -rm -f conftest.err conftest.i conftest.$ac_ext
 484 -
 485 -done
 486 -# Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped.
 487 -rm -f conftest.i conftest.err conftest.$ac_ext
 488 -if $ac_preproc_ok; then :
 489 -  break
 490 -fi
 491 -
 492 -    done
 493 -    ac_cv_prog_CPP=$CPP
 494 -
 495 -fi
 496 -  CPP=$ac_cv_prog_CPP
 497 -else
 498 -  ac_cv_prog_CPP=$CPP
 499 -fi
 500 -{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $CPP" >&5
 501 -$as_echo "$CPP" >&6; }
 502 -ac_preproc_ok=false
 503 -for ac_c_preproc_warn_flag in '' yes
 504 -do
 505 -  # Use a header file that comes with gcc, so configuring glibc
 506 -  # with a fresh cross-compiler works.
 507 -  # Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
 508 -  # <limits.h> exists even on freestanding compilers.
 509 -  # On the NeXT, cc -E runs the code through the compiler's parser,
 510 -  # not just through cpp. "Syntax error" is here to catch this case.
 511 -  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 512 -/* end confdefs.h.  */
 513 -#ifdef __STDC__
 514 -# include <limits.h>
 515 -#else
 516 -# include <assert.h>
 517 -#endif
 518 -                    Syntax error
 519 -_ACEOF
 520 -if ac_fn_c_try_cpp "$LINENO"; then :
 521 -
 522 -else
 523 -  # Broken: fails on valid input.
 524 -continue
 525 -fi
 526 -rm -f conftest.err conftest.i conftest.$ac_ext
 527 -
 528 -  # OK, works on sane cases.  Now check whether nonexistent headers
 529 -  # can be detected and how.
 530 -  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 531 -/* end confdefs.h.  */
 532 -#include <ac_nonexistent.h>
 533 -_ACEOF
 534 -if ac_fn_c_try_cpp "$LINENO"; then :
 535 -  # Broken: success on invalid input.
 536 -continue
 537 -else
 538 -  # Passes both tests.
 539 -ac_preproc_ok=:
 540 -break
 541 -fi
 542 -rm -f conftest.err conftest.i conftest.$ac_ext
 543 -
 544 -done
 545 -# Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped.
 546 -rm -f conftest.i conftest.err conftest.$ac_ext
 547 -if $ac_preproc_ok; then :
 548 -
 549 -else
 550 -  { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
 551 -$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
 552 -as_fn_error $? "C preprocessor \"$CPP\" fails sanity check
 553 -See \`config.log' for more details" "$LINENO" 5; }
 554 -fi
 555 -
 556 -ac_ext=c
 557 -ac_cpp='$CPP $CPPFLAGS'
 558 -ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
 559 -ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
 560 -ac_compiler_gnu=$ac_cv_c_compiler_gnu
 561 -
 562 -
 563 -{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for ANSI C header files" >&5
 564 -$as_echo_n "checking for ANSI C header files... " >&6; }
 565 -if ${ac_cv_header_stdc+:} false; then :
 566 -  $as_echo_n "(cached) " >&6
 567 -else
 568 -  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 569 -/* end confdefs.h.  */
 570 -#include <stdlib.h>
 571 -#include <stdarg.h>
 572 -#include <string.h>
 573 -#include <float.h>
 574 -
 575 -int
 576 -main ()
 577 -{
 578 -
 579 -  ;
 580 -  return 0;
 581 -}
 582 -_ACEOF
 583 -if ac_fn_c_try_compile "$LINENO"; then :
 584 -  ac_cv_header_stdc=yes
 585 -else
 586 -  ac_cv_header_stdc=no
 587 -fi
 588 -rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 589 -
 590 -if test $ac_cv_header_stdc = yes; then
 591 -  # SunOS 4.x string.h does not declare mem*, contrary to ANSI.
 592 -  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 593 -/* end confdefs.h.  */
 594 -#include <string.h>
 595 -
 596 -_ACEOF
 597 -if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
 598 -  $EGREP "memchr" >/dev/null 2>&1; then :
 599 -
 600 -else
 601 -  ac_cv_header_stdc=no
 602 -fi
 603 -rm -f conftest*
 604 -
 605 -fi
 606 -
 607 -if test $ac_cv_header_stdc = yes; then
 608 -  # ISC 2.0.2 stdlib.h does not declare free, contrary to ANSI.
 609 -  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 610 -/* end confdefs.h.  */
 611 -#include <stdlib.h>
 612 -
 613 -_ACEOF
 614 -if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
 615 -  $EGREP "free" >/dev/null 2>&1; then :
 616 -
 617 -else
 618 -  ac_cv_header_stdc=no
 619 -fi
 620 -rm -f conftest*
 621 -
 622 -fi
 623 -
 624 -if test $ac_cv_header_stdc = yes; then
 625 -  # /bin/cc in Irix-4.0.5 gets non-ANSI ctype macros unless using -ansi.
 626 -  if test "$cross_compiling" = yes; then :
 627 -  :
 628 -else
 629 -  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 630 -/* end confdefs.h.  */
 631 -#include <ctype.h>
 632 -#include <stdlib.h>
 633 -#if ((' ' & 0x0FF) == 0x020)
 634 -# define ISLOWER(c) ('a' <= (c) && (c) <= 'z')
 635 -# define TOUPPER(c) (ISLOWER(c) ? 'A' + ((c) - 'a') : (c))
 636 -#else
 637 -# define ISLOWER(c) \
 638 -                  (('a' <= (c) && (c) <= 'i') \
 639 -                    || ('j' <= (c) && (c) <= 'r') \
 640 -                    || ('s' <= (c) && (c) <= 'z'))
 641 -# define TOUPPER(c) (ISLOWER(c) ? ((c) | 0x40) : (c))
 642 -#endif
 643 -
 644 -#define XOR(e, f) (((e) && !(f)) || (!(e) && (f)))
 645 -int
 646 -main ()
 647 -{
 648 -  int i;
 649 -  for (i = 0; i < 256; i++)
 650 -    if (XOR (islower (i), ISLOWER (i))
 651 -       || toupper (i) != TOUPPER (i))
 652 -      return 2;
 653 -  return 0;
 654 -}
 655 -_ACEOF
 656 -if ac_fn_c_try_run "$LINENO"; then :
 657 -
 658 -else
 659 -  ac_cv_header_stdc=no
 660 -fi
 661 -rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
 662 -  conftest.$ac_objext conftest.beam conftest.$ac_ext
 663 -fi
 664 -
 665 -fi
 666 -fi
 667 -{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_header_stdc" >&5
 668 -$as_echo "$ac_cv_header_stdc" >&6; }
 669 -if test $ac_cv_header_stdc = yes; then
 670 -
 671 -$as_echo "#define STDC_HEADERS 1" >>confdefs.h
 672 -
 673 -fi
 674 -
 675 -# On IRIX 5.3, sys/types and inttypes.h are conflicting.
 676 -for ac_header in sys/types.h sys/stat.h stdlib.h string.h memory.h strings.h \
 677 -                 inttypes.h stdint.h unistd.h
 678 -do :
 679 -  as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh`
 680 -ac_fn_c_check_header_compile "$LINENO" "$ac_header" "$as_ac_Header" "$ac_includes_default
 681 -"
 682 -if eval test \"x\$"$as_ac_Header"\" = x"yes"; then :
 683 -  cat >>confdefs.h <<_ACEOF
 684 -#define `$as_echo "HAVE_$ac_header" | $as_tr_cpp` 1
 685 -_ACEOF
 686 -
 687 -fi
 688 -
 689 -done
 690 -
 691 -
 692 -for ac_header in dlfcn.h
 693 -do :
 694 -  ac_fn_c_check_header_compile "$LINENO" "dlfcn.h" "ac_cv_header_dlfcn_h" "$ac_includes_default
 695 -"
 696 -if test "x$ac_cv_header_dlfcn_h" = xyes; then :
 697 -  cat >>confdefs.h <<_ACEOF
 698 -#define HAVE_DLFCN_H 1
 699 -_ACEOF
 700 -
 701 -fi
 702 -
 703 -done
 704 -
 705 -
 706 -
 707
 708
 709  # Set options
 710 --- a/src/config.h.in
 711 +++ b/src/config.h.in
 712 @@ -207,6 +207,9 @@
 713  /* Define to the m4 executable name. */
 714  #undef M4
 715
 716 +/* Define to 1 if your C compiler doesn't accept -c and -o together. */
 717 +#undef NO_MINUS_C_MINUS_O
 718 +
 719  /* Name of package */
 720  #undef PACKAGE
 721
 722 @@ -239,6 +242,28 @@
 723  /* Define to 1 if you have the ANSI C header files. */
 724  #undef STDC_HEADERS
 725
 726 +/* Enable extensions on AIX 3, Interix.  */
 727 +#ifndef _ALL_SOURCE
 728 +# undef _ALL_SOURCE
 729 +#endif
 730 +/* Enable GNU extensions on systems that have them.  */
 731 +#ifndef _GNU_SOURCE
 732 +# undef _GNU_SOURCE
 733 +#endif
 734 +/* Enable threading extensions on Solaris.  */
 735 +#ifndef _POSIX_PTHREAD_SEMANTICS
 736 +# undef _POSIX_PTHREAD_SEMANTICS
 737 +#endif
 738 +/* Enable extensions on HP NonStop.  */
 739 +#ifndef _TANDEM_SOURCE
 740 +# undef _TANDEM_SOURCE
 741 +#endif
 742 +/* Enable general extensions on Solaris.  */
 743 +#ifndef __EXTENSIONS__
 744 +# undef __EXTENSIONS__
 745 +#endif
 746 +
 747 +
 748  /* Version number of package */
 749  #undef VERSION
 750
 751 @@ -246,6 +271,16 @@
 752     `char[]'. */
 753  #undef YYTEXT_POINTER
 754
 755 +/* Define to 1 if on MINIX. */
 756 +#undef _MINIX
 757 +
 758 +/* Define to 2 if the system does not provide POSIX.1 features except with
 759 +   this defined. */
 760 +#undef _POSIX_1_SOURCE
 761 +
 762 +/* Define to 1 if you need to in order for `stat' and other things to work. */
 763 +#undef _POSIX_SOURCE
 764 +
 765  /* Define to empty if `const' does not conform to ANSI C. */
 766  #undef const
 767