sysdeps/unix/sysv/linux/mips/configure

   1 # This file is generated from configure.ac by Autoconf.  DO NOT EDIT!
   2  # Local configure fragment for sysdeps/unix/sysv/linux/mips.
   3
   4
   5 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
   6 /* end confdefs.h.  */
   7
   8     #if (_MIPS_SIM != _ABIO32)
   9     #error Not O32 ABI
  10     #endif
  11 int
  12 main ()
  13 {
  14
  15   ;
  16   return 0;
  17 }
  18 _ACEOF
  19 if ac_fn_c_try_compile "$LINENO"; then :
  20   libc_mips_abi=o32
  21 else
  22   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
  23 /* end confdefs.h.  */
  24
  25       #if (_MIPS_SIM != _ABIN32)
  26       #error Not N32 ABI
  27       #endif
  28 int
  29 main ()
  30 {
  31
  32   ;
  33   return 0;
  34 }
  35 _ACEOF
  36 if ac_fn_c_try_compile "$LINENO"; then :
  37   libc_mips_abi=n32
  38 else
  39   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
  40 /* end confdefs.h.  */
  41
  42         #if (_MIPS_SIM != _ABI64)
  43         #error Not 64 ABI
  44         #endif
  45 int
  46 main ()
  47 {
  48
  49   ;
  50   return 0;
  51 }
  52 _ACEOF
  53 if ac_fn_c_try_compile "$LINENO"; then :
  54   libc_mips_abi=n64
  55 fi
  56 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
  57 fi
  58 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
  59 fi
  60 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
  61
  62 if test -z "$libc_mips_abi"; then
  63   as_fn_error $? "could not determine what ABI the compiler is using" "$LINENO" 5
  64 fi
  65
  66 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
  67 /* end confdefs.h.  */
  68
  69     #if !defined(__mips_soft_float)
  70     #error Not soft ABI
  71     #endif
  72 int
  73 main ()
  74 {
  75
  76   ;
  77   return 0;
  78 }
  79 _ACEOF
  80 if ac_fn_c_try_compile "$LINENO"; then :
  81   libc_mips_float=soft
  82 else
  83   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
  84 /* end confdefs.h.  */
  85
  86       #if !defined(__mips_hard_float)
  87       #error Not hard ABI
  88       #endif
  89 int
  90 main ()
  91 {
  92
  93   ;
  94   return 0;
  95 }
  96 _ACEOF
  97 if ac_fn_c_try_compile "$LINENO"; then :
  98   libc_mips_float=hard
  99 fi
 100 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 101 fi
 102 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 103
 104 if test -z "$libc_mips_float"; then
 105   as_fn_error $? "could not determine if compiler is using hard or soft floating point ABI" "$LINENO" 5
 106 fi
 107
 108 libc_mips_o32_fp=
 109 libc_cv_mips_fp64=
 110 libc_cv_mips_modd_spreg=
 111
 112 if test x"$libc_mips_abi" = xo32 -a x"$libc_mips_float" = xhard; then
 113   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 114 /* end confdefs.h.  */
 115
 116       #if !defined(__mips_fpr)
 117       #error Missing FPR sizes
 118       #endif
 119 int
 120 main ()
 121 {
 122
 123   ;
 124   return 0;
 125 }
 126 _ACEOF
 127 if ac_fn_c_try_compile "$LINENO"; then :
 128   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 129 /* end confdefs.h.  */
 130
 131         #if (__mips_fpr != 32)
 132         #error Not FP32
 133         #endif
 134 int
 135 main ()
 136 {
 137
 138   ;
 139   return 0;
 140 }
 141 _ACEOF
 142 if ac_fn_c_try_compile "$LINENO"; then :
 143   libc_mips_o32_fp=32
 144 else
 145   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 146 /* end confdefs.h.  */
 147
 148           #if (__mips_fpr != 0) || !defined(_MIPS_SPFPSET) || (_MIPS_SPFPSET != 16)
 149           #error Not FPXX (without odd single-precision registers)
 150           #endif
 151 int
 152 main ()
 153 {
 154
 155   ;
 156   return 0;
 157 }
 158 _ACEOF
 159 if ac_fn_c_try_compile "$LINENO"; then :
 160   libc_mips_o32_fp=xx
 161 else
 162   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 163 /* end confdefs.h.  */
 164
 165             #if (__mips_fpr != 0)
 166             #error Not FPXX (with odd single precision registers)
 167             #endif
 168 int
 169 main ()
 170 {
 171
 172   ;
 173   return 0;
 174 }
 175 _ACEOF
 176 if ac_fn_c_try_compile "$LINENO"; then :
 177   libc_mips_o32_fp=xxo
 178 else
 179   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 180 /* end confdefs.h.  */
 181
 182               #if (__mips_fpr != 64) || !defined(_MIPS_SPFPSET) || (_MIPS_SPFPSET != 16)
 183               #error Not FP64A
 184               #endif
 185 int
 186 main ()
 187 {
 188
 189   ;
 190   return 0;
 191 }
 192 _ACEOF
 193 if ac_fn_c_try_compile "$LINENO"; then :
 194   libc_mips_o32_fp=64a
 195 else
 196   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 197 /* end confdefs.h.  */
 198
 199                 #if (__mips_fpr != 64)
 200                 #error Not FP64
 201                 #endif
 202 int
 203 main ()
 204 {
 205
 206   ;
 207   return 0;
 208 }
 209 _ACEOF
 210 if ac_fn_c_try_compile "$LINENO"; then :
 211   libc_mips_o32_fp=64
 212 fi
 213 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 214 fi
 215 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 216 fi
 217 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 218 fi
 219 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 220 fi
 221 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 222 fi
 223 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 224
 225   if { ac_try='${CC-cc} -mfp64 -xc /dev/null -S -o /dev/null'
 226   { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
 227   (eval $ac_try) 2>&5
 228   ac_status=$?
 229   $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
 230   test $ac_status = 0; }; }; then :
 231   libc_cv_mips_fp64=yes
 232 else
 233   libc_cv_mips_fp64=no
 234 fi
 235   if { ac_try='${CC-cc} -Werror -modd-spreg -xc /dev/null -S -o /dev/null'
 236   { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
 237   (eval $ac_try) 2>&5
 238   ac_status=$?
 239   $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
 240   test $ac_status = 0; }; }; then :
 241   libc_cv_mips_modd_spreg=yes
 242 else
 243   libc_cv_mips_modd_spreg=no
 244 fi
 245 fi
 246 config_vars="$config_vars
 247 o32-fpabi = ${libc_mips_o32_fp}"
 248 config_vars="$config_vars
 249 has-mpf64 = ${libc_cv_mips_fp64}"
 250 config_vars="$config_vars
 251 has-modd-spreg = ${libc_cv_mips_modd_spreg}"
 252
 253 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 254 /* end confdefs.h.  */
 255
 256     #include <linux/prctl.h>
 257     #if !defined(PR_GET_FP_MODE) || !defined(PR_SET_FP_MODE)
 258     #error New prctl support for setting FP modes not found
 259     #endif
 260 int
 261 main ()
 262 {
 263
 264   ;
 265   return 0;
 266 }
 267 _ACEOF
 268 if ac_fn_c_try_compile "$LINENO"; then :
 269   libc_mips_mode_switch=yes
 270 else
 271   libc_mips_mode_switch=no
 272 fi
 273 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 274 config_vars="$config_vars
 275 mips-mode-switch = ${libc_mips_mode_switch}"
 276
 277
 278 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for grep that handles long lines and -e" >&5
 279 $as_echo_n "checking for grep that handles long lines and -e... " >&6; }
 280 if ${ac_cv_path_GREP+:} false; then :
 281   $as_echo_n "(cached) " >&6
 282 else
 283   if test -z "$GREP"; then
 284   ac_path_GREP_found=false
 285   # Loop through the user's path and test for each of PROGNAME-LIST
 286   as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
 287 for as_dir in $PATH$PATH_SEPARATOR/usr/xpg4/bin
 288 do
 289   IFS=$as_save_IFS
 290   test -z "$as_dir" && as_dir=.
 291     for ac_prog in grep ggrep; do
 292     for ac_exec_ext in '' $ac_executable_extensions; do
 293       ac_path_GREP="$as_dir/$ac_prog$ac_exec_ext"
 294       as_fn_executable_p "$ac_path_GREP" || continue
 295 # Check for GNU ac_path_GREP and select it if it is found.
 296   # Check for GNU $ac_path_GREP
 297 case `"$ac_path_GREP" --version 2>&1` in
 298 *GNU*)
 299   ac_cv_path_GREP="$ac_path_GREP" ac_path_GREP_found=:;;
 300 *)
 301   ac_count=0
 302   $as_echo_n 0123456789 >"conftest.in"
 303   while :
 304   do
 305     cat "conftest.in" "conftest.in" >"conftest.tmp"
 306     mv "conftest.tmp" "conftest.in"
 307     cp "conftest.in" "conftest.nl"
 308     $as_echo 'GREP' >> "conftest.nl"
 309     "$ac_path_GREP" -e 'GREP$' -e '-(cannot match)-' < "conftest.nl" >"conftest.out" 2>/dev/null || break
 310     diff "conftest.out" "conftest.nl" >/dev/null 2>&1 || break
 311     as_fn_arith $ac_count + 1 && ac_count=$as_val
 312     if test $ac_count -gt ${ac_path_GREP_max-0}; then
 313       # Best one so far, save it but keep looking for a better one
 314       ac_cv_path_GREP="$ac_path_GREP"
 315       ac_path_GREP_max=$ac_count
 316     fi
 317     # 10*(2^10) chars as input seems more than enough
 318     test $ac_count -gt 10 && break
 319   done
 320   rm -f conftest.in conftest.tmp conftest.nl conftest.out;;
 321 esac
 322
 323       $ac_path_GREP_found && break 3
 324     done
 325   done
 326   done
 327 IFS=$as_save_IFS
 328   if test -z "$ac_cv_path_GREP"; then
 329     as_fn_error $? "no acceptable grep could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" "$LINENO" 5
 330   fi
 331 else
 332   ac_cv_path_GREP=$GREP
 333 fi
 334
 335 fi
 336 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_GREP" >&5
 337 $as_echo "$ac_cv_path_GREP" >&6; }
 338  GREP="$ac_cv_path_GREP"
 339
 340
 341 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for egrep" >&5
 342 $as_echo_n "checking for egrep... " >&6; }
 343 if ${ac_cv_path_EGREP+:} false; then :
 344   $as_echo_n "(cached) " >&6
 345 else
 346   if echo a | $GREP -E '(a|b)' >/dev/null 2>&1
 347    then ac_cv_path_EGREP="$GREP -E"
 348    else
 349      if test -z "$EGREP"; then
 350   ac_path_EGREP_found=false
 351   # Loop through the user's path and test for each of PROGNAME-LIST
 352   as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
 353 for as_dir in $PATH$PATH_SEPARATOR/usr/xpg4/bin
 354 do
 355   IFS=$as_save_IFS
 356   test -z "$as_dir" && as_dir=.
 357     for ac_prog in egrep; do
 358     for ac_exec_ext in '' $ac_executable_extensions; do
 359       ac_path_EGREP="$as_dir/$ac_prog$ac_exec_ext"
 360       as_fn_executable_p "$ac_path_EGREP" || continue
 361 # Check for GNU ac_path_EGREP and select it if it is found.
 362   # Check for GNU $ac_path_EGREP
 363 case `"$ac_path_EGREP" --version 2>&1` in
 364 *GNU*)
 365   ac_cv_path_EGREP="$ac_path_EGREP" ac_path_EGREP_found=:;;
 366 *)
 367   ac_count=0
 368   $as_echo_n 0123456789 >"conftest.in"
 369   while :
 370   do
 371     cat "conftest.in" "conftest.in" >"conftest.tmp"
 372     mv "conftest.tmp" "conftest.in"
 373     cp "conftest.in" "conftest.nl"
 374     $as_echo 'EGREP' >> "conftest.nl"
 375     "$ac_path_EGREP" 'EGREP$' < "conftest.nl" >"conftest.out" 2>/dev/null || break
 376     diff "conftest.out" "conftest.nl" >/dev/null 2>&1 || break
 377     as_fn_arith $ac_count + 1 && ac_count=$as_val
 378     if test $ac_count -gt ${ac_path_EGREP_max-0}; then
 379       # Best one so far, save it but keep looking for a better one
 380       ac_cv_path_EGREP="$ac_path_EGREP"
 381       ac_path_EGREP_max=$ac_count
 382     fi
 383     # 10*(2^10) chars as input seems more than enough
 384     test $ac_count -gt 10 && break
 385   done
 386   rm -f conftest.in conftest.tmp conftest.nl conftest.out;;
 387 esac
 388
 389       $ac_path_EGREP_found && break 3
 390     done
 391   done
 392   done
 393 IFS=$as_save_IFS
 394   if test -z "$ac_cv_path_EGREP"; then
 395     as_fn_error $? "no acceptable egrep could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" "$LINENO" 5
 396   fi
 397 else
 398   ac_cv_path_EGREP=$EGREP
 399 fi
 400
 401    fi
 402 fi
 403 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_EGREP" >&5
 404 $as_echo "$ac_cv_path_EGREP" >&6; }
 405  EGREP="$ac_cv_path_EGREP"
 406
 407
 408 { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the compiler is using the 2008 NaN encoding" >&5
 409 $as_echo_n "checking whether the compiler is using the 2008 NaN encoding... " >&6; }
 410 if ${libc_cv_mips_nan2008+:} false; then :
 411   $as_echo_n "(cached) " >&6
 412 else
 413   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 414 /* end confdefs.h.  */
 415 dnl
 416 #ifdef __mips_nan2008
 417 yes
 418 #endif
 419 _ACEOF
 420 if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
 421   $EGREP "yes" >/dev/null 2>&1; then :
 422   libc_cv_mips_nan2008=yes
 423 else
 424   libc_cv_mips_nan2008=no
 425 fi
 426 rm -f conftest*
 427
 428 fi
 429 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_mips_nan2008" >&5
 430 $as_echo "$libc_cv_mips_nan2008" >&6; }
 431
 432 libc_mips_nan=
 433 if test x"$libc_cv_mips_nan2008" = xyes; then
 434   libc_mips_nan=_2008
 435 fi
 436
 437 config_vars="$config_vars
 438 default-abi = ${libc_mips_abi}_${libc_mips_float}${libc_mips_nan}"
 439
 440 case $machine in
 441 mips/mips64/n64/*)
 442   test -n "$libc_cv_slibdir" ||
 443 case "$prefix" in
 444 /usr | /usr/)
 445   libc_cv_slibdir='/lib64'
 446   libc_cv_rtlddir='/lib64'
 447   if test "$libdir" = '${exec_prefix}/lib'; then
 448     libdir='${exec_prefix}/lib64';
 449     # Locale data can be shared between 32-bit and 64-bit libraries.
 450     libc_cv_complocaledir='${exec_prefix}/lib/locale'
 451   fi
 452   ;;
 453 esac
 454   ;;
 455 mips/mips64/n32/*)
 456   test -n "$libc_cv_slibdir" ||
 457 case "$prefix" in
 458 /usr | /usr/)
 459   libc_cv_slibdir='/lib32'
 460   libc_cv_rtlddir='/lib32'
 461   if test "$libdir" = '${exec_prefix}/lib'; then
 462     libdir='${exec_prefix}/lib32';
 463     # Locale data can be shared between 32-bit and 64-bit libraries.
 464     libc_cv_complocaledir='${exec_prefix}/lib/locale'
 465   fi
 466   ;;
 467 esac
 468   ;;
 469 esac
 470
 471 libc_cv_gcc_unwind_find_fde=yes
 472
 473 if test -z "$arch_minimum_kernel"; then
 474   if test x$libc_cv_mips_nan2008 = xyes; then
 475     arch_minimum_kernel=4.5.0
 476   fi
 477 fi