recipes/gcc/gcc-4.4.1/gcc-improve-tls-macro.patch

   1 This is fudge of following patches from trunk
   2
   3 http://gcc.gnu.org/ml/gcc-cvs/2009-07/msg00629.html
   4 http://gcc.gnu.org/ml/gcc-cvs/2009-07/msg00606.html
   5
   6 It improved the TLS support detection by performing link step
   7 because so far it was only probing assembler to determine
   8 if TLS was supported.
   9
  10 -Khem
  11 Index: gcc-4.4.1/config/tls.m4
  12 ===================================================================
  13 --- gcc-4.4.1.orig/config/tls.m4        2009-01-22 20:58:03.000000000 -0800
  14 +++ gcc-4.4.1/config/tls.m4     2009-08-28 15:14:00.419824470 -0700
  15 @@ -1,5 +1,6 @@
  16  dnl Check whether the target supports TLS.
  17  AC_DEFUN([GCC_CHECK_TLS], [
  18 +  AC_REQUIRE([AC_CANONICAL_HOST])
  19    GCC_ENABLE(tls, yes, [], [Use thread-local storage])
  20    AC_CACHE_CHECK([whether the target supports thread-local storage],
  21                  gcc_cv_have_tls, [
  22 @@ -66,7 +67,24 @@
  23        [dnl This is the cross-compiling case. Assume libc supports TLS if the
  24         dnl binutils and the compiler do.
  25         AC_LINK_IFELSE([__thread int a; int b; int main() { return a = b; }],
  26 -                     [gcc_cv_have_tls=yes], [gcc_cv_have_tls=no])
  27 +        [chktls_save_LDFLAGS="$LDFLAGS"
  28 +         dnl Shared library options may depend on the host; this check
  29 +         dnl is only known to be needed for GNU/Linux.
  30 +         case $host in
  31 +           *-*-linux*)
  32 +             LDFLAGS="-shared -Wl,--no-undefined $LDFLAGS"
  33 +             ;;
  34 +         esac
  35 +         chktls_save_CFLAGS="$CFLAGS"
  36 +         CFLAGS="-fPIC $CFLAGS"
  37 +         dnl If -shared works, test if TLS works in a shared library.
  38 +         AC_LINK_IFELSE([int f() { return 0; }],
  39 +           [AC_LINK_IFELSE([__thread int a; int b; int f() { return a = b; }],
  40 +             [gcc_cv_have_tls=yes],
  41 +             [gcc_cv_have_tls=no])],
  42 +           [gcc_cv_have_tls=yes])
  43 +         CFLAGS="$chktls_save_CFLAGS"
  44 +         LDFLAGS="$chktls_save_LDFLAGS"], [gcc_cv_have_tls=no])
  45        ]
  46      )])
  47    if test "$enable_tls $gcc_cv_have_tls" = "yes yes"; then
  48 Index: gcc-4.4.1/libgomp/configure
  49 ===================================================================
  50 --- gcc-4.4.1.orig/libgomp/configure    2009-08-28 16:08:56.936822000 -0700
  51 +++ gcc-4.4.1/libgomp/configure 2009-08-28 16:11:50.135833432 -0700
  52 @@ -17859,6 +17859,7 @@
  53
  54  # See if we support thread-local storage.
  55
  56 +
  57     # Check whether --enable-tls or --disable-tls was given.
  58  if test "${enable_tls+set}" = set; then
  59    enableval="$enable_tls"
  60 @@ -17906,6 +17907,64 @@
  61    ac_status=$?
  62    echo "$as_me:$LINENO: \$? = $ac_status" >&5
  63    (exit $ac_status); }; }; then
  64 +  chktls_save_LDFLAGS="$LDFLAGS"
  65 +                         case $host in
  66 +           *-*-linux*)
  67 +             LDFLAGS="-shared -Wl,--no-undefined $LDFLAGS"
  68 +             ;;
  69 +         esac
  70 +         chktls_save_CFLAGS="$CFLAGS"
  71 +         CFLAGS="-fPIC $CFLAGS"
  72 +                 cat >conftest.$ac_ext <<_ACEOF
  73 +int f() { return 0; }
  74 +_ACEOF
  75 +rm -f conftest.$ac_objext conftest$ac_exeext
  76 +if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
  77 +  (eval $ac_link) 2>conftest.er1
  78 +  ac_status=$?
  79 +  grep -v '^ *+' conftest.er1 >conftest.err
  80 +  rm -f conftest.er1
  81 +  cat conftest.err >&5
  82 +  echo "$as_me:$LINENO: \$? = $ac_status" >&5
  83 +  (exit $ac_status); } &&
  84 +        { ac_try='test -z "$ac_c_werror_flag"
  85 +                        || test ! -s conftest.err'
  86 +  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
  87 +  (eval $ac_try) 2>&5
  88 +  ac_status=$?
  89 +  echo "$as_me:$LINENO: \$? = $ac_status" >&5
  90 +  (exit $ac_status); }; } &&
  91 +        { ac_try='test -s conftest$ac_exeext'
  92 +  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
  93 +  (eval $ac_try) 2>&5
  94 +  ac_status=$?
  95 +  echo "$as_me:$LINENO: \$? = $ac_status" >&5
  96 +  (exit $ac_status); }; }; then
  97 +  cat >conftest.$ac_ext <<_ACEOF
  98 +__thread int a; int b; int f() { return a = b; }
  99 +_ACEOF
 100 +rm -f conftest.$ac_objext conftest$ac_exeext
 101 +if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
 102 +  (eval $ac_link) 2>conftest.er1
 103 +  ac_status=$?
 104 +  grep -v '^ *+' conftest.er1 >conftest.err
 105 +  rm -f conftest.er1
 106 +  cat conftest.err >&5
 107 +  echo "$as_me:$LINENO: \$? = $ac_status" >&5
 108 +  (exit $ac_status); } &&
 109 +        { ac_try='test -z "$ac_c_werror_flag"
 110 +                        || test ! -s conftest.err'
 111 +  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
 112 +  (eval $ac_try) 2>&5
 113 +  ac_status=$?
 114 +  echo "$as_me:$LINENO: \$? = $ac_status" >&5
 115 +  (exit $ac_status); }; } &&
 116 +        { ac_try='test -s conftest$ac_exeext'
 117 +  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
 118 +  (eval $ac_try) 2>&5
 119 +  ac_status=$?
 120 +  echo "$as_me:$LINENO: \$? = $ac_status" >&5
 121 +  (exit $ac_status); }; }; then
 122    gcc_cv_have_tls=yes
 123  else
 124    echo "$as_me: failed program was:" >&5
 125 @@ -17915,6 +17974,24 @@
 126  fi
 127  rm -f conftest.err conftest.$ac_objext \
 128        conftest$ac_exeext conftest.$ac_ext
 129 +else
 130 +  echo "$as_me: failed program was:" >&5
 131 +sed 's/^/| /' conftest.$ac_ext >&5
 132 +
 133 +gcc_cv_have_tls=yes
 134 +fi
 135 +rm -f conftest.err conftest.$ac_objext \
 136 +      conftest$ac_exeext conftest.$ac_ext
 137 +         CFLAGS="$chktls_save_CFLAGS"
 138 +         LDFLAGS="$chktls_save_LDFLAGS"
 139 +else
 140 +  echo "$as_me: failed program was:" >&5
 141 +sed 's/^/| /' conftest.$ac_ext >&5
 142 +
 143 +gcc_cv_have_tls=no
 144 +fi
 145 +rm -f conftest.err conftest.$ac_objext \
 146 +      conftest$ac_exeext conftest.$ac_ext
 147
 148
 149  else
 150 Index: gcc-4.4.1/libjava/configure
 151 ===================================================================
 152 --- gcc-4.4.1.orig/libjava/configure    2009-08-28 16:08:57.052863152 -0700
 153 +++ gcc-4.4.1/libjava/configure 2009-08-28 16:12:46.668833365 -0700
 154 @@ -27600,6 +27600,7 @@
 155
 156  # See if we support thread-local storage.
 157
 158 +
 159     # Check whether --enable-tls or --disable-tls was given.
 160  if test "${enable_tls+set}" = set; then
 161    enableval="$enable_tls"
 162 @@ -27652,6 +27653,74 @@
 163    ac_status=$?
 164    echo "$as_me:$LINENO: \$? = $ac_status" >&5
 165    (exit $ac_status); }; }; then
 166 +  chktls_save_LDFLAGS="$LDFLAGS"
 167 +                         case $host in
 168 +           *-*-linux*)
 169 +             LDFLAGS="-shared -Wl,--no-undefined $LDFLAGS"
 170 +             ;;
 171 +         esac
 172 +         chktls_save_CFLAGS="$CFLAGS"
 173 +         CFLAGS="-fPIC $CFLAGS"
 174 +                 if test x$gcc_no_link = xyes; then
 175 +  { { echo "$as_me:$LINENO: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&5
 176 +echo "$as_me: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&2;}
 177 +   { (exit 1); exit 1; }; }
 178 +fi
 179 +cat >conftest.$ac_ext <<_ACEOF
 180 +int f() { return 0; }
 181 +_ACEOF
 182 +rm -f conftest.$ac_objext conftest$ac_exeext
 183 +if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
 184 +  (eval $ac_link) 2>conftest.er1
 185 +  ac_status=$?
 186 +  grep -v '^ *+' conftest.er1 >conftest.err
 187 +  rm -f conftest.er1
 188 +  cat conftest.err >&5
 189 +  echo "$as_me:$LINENO: \$? = $ac_status" >&5
 190 +  (exit $ac_status); } &&
 191 +        { ac_try='test -z "$ac_c_werror_flag"
 192 +                        || test ! -s conftest.err'
 193 +  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
 194 +  (eval $ac_try) 2>&5
 195 +  ac_status=$?
 196 +  echo "$as_me:$LINENO: \$? = $ac_status" >&5
 197 +  (exit $ac_status); }; } &&
 198 +        { ac_try='test -s conftest$ac_exeext'
 199 +  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
 200 +  (eval $ac_try) 2>&5
 201 +  ac_status=$?
 202 +  echo "$as_me:$LINENO: \$? = $ac_status" >&5
 203 +  (exit $ac_status); }; }; then
 204 +  if test x$gcc_no_link = xyes; then
 205 +  { { echo "$as_me:$LINENO: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&5
 206 +echo "$as_me: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&2;}
 207 +   { (exit 1); exit 1; }; }
 208 +fi
 209 +cat >conftest.$ac_ext <<_ACEOF
 210 +__thread int a; int b; int f() { return a = b; }
 211 +_ACEOF
 212 +rm -f conftest.$ac_objext conftest$ac_exeext
 213 +if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
 214 +  (eval $ac_link) 2>conftest.er1
 215 +  ac_status=$?
 216 +  grep -v '^ *+' conftest.er1 >conftest.err
 217 +  rm -f conftest.er1
 218 +  cat conftest.err >&5
 219 +  echo "$as_me:$LINENO: \$? = $ac_status" >&5
 220 +  (exit $ac_status); } &&
 221 +        { ac_try='test -z "$ac_c_werror_flag"
 222 +                        || test ! -s conftest.err'
 223 +  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
 224 +  (eval $ac_try) 2>&5
 225 +  ac_status=$?
 226 +  echo "$as_me:$LINENO: \$? = $ac_status" >&5
 227 +  (exit $ac_status); }; } &&
 228 +        { ac_try='test -s conftest$ac_exeext'
 229 +  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
 230 +  (eval $ac_try) 2>&5
 231 +  ac_status=$?
 232 +  echo "$as_me:$LINENO: \$? = $ac_status" >&5
 233 +  (exit $ac_status); }; }; then
 234    gcc_cv_have_tls=yes
 235  else
 236    echo "$as_me: failed program was:" >&5
 237 @@ -27661,6 +27730,24 @@
 238  fi
 239  rm -f conftest.err conftest.$ac_objext \
 240        conftest$ac_exeext conftest.$ac_ext
 241 +else
 242 +  echo "$as_me: failed program was:" >&5
 243 +sed 's/^/| /' conftest.$ac_ext >&5
 244 +
 245 +gcc_cv_have_tls=yes
 246 +fi
 247 +rm -f conftest.err conftest.$ac_objext \
 248 +      conftest$ac_exeext conftest.$ac_ext
 249 +         CFLAGS="$chktls_save_CFLAGS"
 250 +         LDFLAGS="$chktls_save_LDFLAGS"
 251 +else
 252 +  echo "$as_me: failed program was:" >&5
 253 +sed 's/^/| /' conftest.$ac_ext >&5
 254 +
 255 +gcc_cv_have_tls=no
 256 +fi
 257 +rm -f conftest.err conftest.$ac_objext \
 258 +      conftest$ac_exeext conftest.$ac_ext
 259
 260
 261  else
 262 Index: gcc-4.4.1/libmudflap/configure
 263 ===================================================================
 264 --- gcc-4.4.1.orig/libmudflap/configure 2009-08-28 16:08:57.116862217 -0700
 265 +++ gcc-4.4.1/libmudflap/configure      2009-08-28 16:12:53.952833418 -0700
 266 @@ -12740,6 +12740,7 @@
 267
 268  # See if we support thread-local storage.
 269
 270 +
 271     # Check whether --enable-tls or --disable-tls was given.
 272  if test "${enable_tls+set}" = set; then
 273    enableval="$enable_tls"
 274 @@ -12787,6 +12788,64 @@
 275    ac_status=$?
 276    echo "$as_me:$LINENO: \$? = $ac_status" >&5
 277    (exit $ac_status); }; }; then
 278 +  chktls_save_LDFLAGS="$LDFLAGS"
 279 +                         case $host in
 280 +           *-*-linux*)
 281 +             LDFLAGS="-shared -Wl,--no-undefined $LDFLAGS"
 282 +             ;;
 283 +         esac
 284 +         chktls_save_CFLAGS="$CFLAGS"
 285 +         CFLAGS="-fPIC $CFLAGS"
 286 +                 cat >conftest.$ac_ext <<_ACEOF
 287 +int f() { return 0; }
 288 +_ACEOF
 289 +rm -f conftest.$ac_objext conftest$ac_exeext
 290 +if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
 291 +  (eval $ac_link) 2>conftest.er1
 292 +  ac_status=$?
 293 +  grep -v '^ *+' conftest.er1 >conftest.err
 294 +  rm -f conftest.er1
 295 +  cat conftest.err >&5
 296 +  echo "$as_me:$LINENO: \$? = $ac_status" >&5
 297 +  (exit $ac_status); } &&
 298 +        { ac_try='test -z "$ac_c_werror_flag"
 299 +                        || test ! -s conftest.err'
 300 +  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
 301 +  (eval $ac_try) 2>&5
 302 +  ac_status=$?
 303 +  echo "$as_me:$LINENO: \$? = $ac_status" >&5
 304 +  (exit $ac_status); }; } &&
 305 +        { ac_try='test -s conftest$ac_exeext'
 306 +  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
 307 +  (eval $ac_try) 2>&5
 308 +  ac_status=$?
 309 +  echo "$as_me:$LINENO: \$? = $ac_status" >&5
 310 +  (exit $ac_status); }; }; then
 311 +  cat >conftest.$ac_ext <<_ACEOF
 312 +__thread int a; int b; int f() { return a = b; }
 313 +_ACEOF
 314 +rm -f conftest.$ac_objext conftest$ac_exeext
 315 +if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
 316 +  (eval $ac_link) 2>conftest.er1
 317 +  ac_status=$?
 318 +  grep -v '^ *+' conftest.er1 >conftest.err
 319 +  rm -f conftest.er1
 320 +  cat conftest.err >&5
 321 +  echo "$as_me:$LINENO: \$? = $ac_status" >&5
 322 +  (exit $ac_status); } &&
 323 +        { ac_try='test -z "$ac_c_werror_flag"
 324 +                        || test ! -s conftest.err'
 325 +  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
 326 +  (eval $ac_try) 2>&5
 327 +  ac_status=$?
 328 +  echo "$as_me:$LINENO: \$? = $ac_status" >&5
 329 +  (exit $ac_status); }; } &&
 330 +        { ac_try='test -s conftest$ac_exeext'
 331 +  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
 332 +  (eval $ac_try) 2>&5
 333 +  ac_status=$?
 334 +  echo "$as_me:$LINENO: \$? = $ac_status" >&5
 335 +  (exit $ac_status); }; }; then
 336    gcc_cv_have_tls=yes
 337  else
 338    echo "$as_me: failed program was:" >&5
 339 @@ -12796,6 +12855,24 @@
 340  fi
 341  rm -f conftest.err conftest.$ac_objext \
 342        conftest$ac_exeext conftest.$ac_ext
 343 +else
 344 +  echo "$as_me: failed program was:" >&5
 345 +sed 's/^/| /' conftest.$ac_ext >&5
 346 +
 347 +gcc_cv_have_tls=yes
 348 +fi
 349 +rm -f conftest.err conftest.$ac_objext \
 350 +      conftest$ac_exeext conftest.$ac_ext
 351 +         CFLAGS="$chktls_save_CFLAGS"
 352 +         LDFLAGS="$chktls_save_LDFLAGS"
 353 +else
 354 +  echo "$as_me: failed program was:" >&5
 355 +sed 's/^/| /' conftest.$ac_ext >&5
 356 +
 357 +gcc_cv_have_tls=no
 358 +fi
 359 +rm -f conftest.err conftest.$ac_objext \
 360 +      conftest$ac_exeext conftest.$ac_ext
 361
 362
 363  else
 364 Index: gcc-4.4.1/libstdc++-v3/configure
 365 ===================================================================
 366 --- gcc-4.4.1.orig/libstdc++-v3/configure       2009-08-28 16:08:57.176853506 -0700
 367 +++ gcc-4.4.1/libstdc++-v3/configure    2009-08-28 16:13:08.792833271 -0700
 368 @@ -40678,6 +40678,7 @@
 369
 370    # For TLS support.
 371
 372 +
 373     # Check whether --enable-tls or --disable-tls was given.
 374  if test "${enable_tls+set}" = set; then
 375    enableval="$enable_tls"
 376 @@ -40730,6 +40731,74 @@
 377    ac_status=$?
 378    echo "$as_me:$LINENO: \$? = $ac_status" >&5
 379    (exit $ac_status); }; }; then
 380 +  chktls_save_LDFLAGS="$LDFLAGS"
 381 +                         case $host in
 382 +           *-*-linux*)
 383 +             LDFLAGS="-shared -Wl,--no-undefined $LDFLAGS"
 384 +             ;;
 385 +         esac
 386 +         chktls_save_CFLAGS="$CFLAGS"
 387 +         CFLAGS="-fPIC $CFLAGS"
 388 +                 if test x$gcc_no_link = xyes; then
 389 +  { { echo "$as_me:$LINENO: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&5
 390 +echo "$as_me: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&2;}
 391 +   { (exit 1); exit 1; }; }
 392 +fi
 393 +cat >conftest.$ac_ext <<_ACEOF
 394 +int f() { return 0; }
 395 +_ACEOF
 396 +rm -f conftest.$ac_objext conftest$ac_exeext
 397 +if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
 398 +  (eval $ac_link) 2>conftest.er1
 399 +  ac_status=$?
 400 +  grep -v '^ *+' conftest.er1 >conftest.err
 401 +  rm -f conftest.er1
 402 +  cat conftest.err >&5
 403 +  echo "$as_me:$LINENO: \$? = $ac_status" >&5
 404 +  (exit $ac_status); } &&
 405 +        { ac_try='test -z "$ac_c_werror_flag"
 406 +                        || test ! -s conftest.err'
 407 +  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
 408 +  (eval $ac_try) 2>&5
 409 +  ac_status=$?
 410 +  echo "$as_me:$LINENO: \$? = $ac_status" >&5
 411 +  (exit $ac_status); }; } &&
 412 +        { ac_try='test -s conftest$ac_exeext'
 413 +  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
 414 +  (eval $ac_try) 2>&5
 415 +  ac_status=$?
 416 +  echo "$as_me:$LINENO: \$? = $ac_status" >&5
 417 +  (exit $ac_status); }; }; then
 418 +  if test x$gcc_no_link = xyes; then
 419 +  { { echo "$as_me:$LINENO: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&5
 420 +echo "$as_me: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&2;}
 421 +   { (exit 1); exit 1; }; }
 422 +fi
 423 +cat >conftest.$ac_ext <<_ACEOF
 424 +__thread int a; int b; int f() { return a = b; }
 425 +_ACEOF
 426 +rm -f conftest.$ac_objext conftest$ac_exeext
 427 +if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
 428 +  (eval $ac_link) 2>conftest.er1
 429 +  ac_status=$?
 430 +  grep -v '^ *+' conftest.er1 >conftest.err
 431 +  rm -f conftest.er1
 432 +  cat conftest.err >&5
 433 +  echo "$as_me:$LINENO: \$? = $ac_status" >&5
 434 +  (exit $ac_status); } &&
 435 +        { ac_try='test -z "$ac_c_werror_flag"
 436 +                        || test ! -s conftest.err'
 437 +  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
 438 +  (eval $ac_try) 2>&5
 439 +  ac_status=$?
 440 +  echo "$as_me:$LINENO: \$? = $ac_status" >&5
 441 +  (exit $ac_status); }; } &&
 442 +        { ac_try='test -s conftest$ac_exeext'
 443 +  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
 444 +  (eval $ac_try) 2>&5
 445 +  ac_status=$?
 446 +  echo "$as_me:$LINENO: \$? = $ac_status" >&5
 447 +  (exit $ac_status); }; }; then
 448    gcc_cv_have_tls=yes
 449  else
 450    echo "$as_me: failed program was:" >&5
 451 @@ -40739,6 +40808,24 @@
 452  fi
 453  rm -f conftest.err conftest.$ac_objext \
 454        conftest$ac_exeext conftest.$ac_ext
 455 +else
 456 +  echo "$as_me: failed program was:" >&5
 457 +sed 's/^/| /' conftest.$ac_ext >&5
 458 +
 459 +gcc_cv_have_tls=yes
 460 +fi
 461 +rm -f conftest.err conftest.$ac_objext \
 462 +      conftest$ac_exeext conftest.$ac_ext
 463 +         CFLAGS="$chktls_save_CFLAGS"
 464 +         LDFLAGS="$chktls_save_LDFLAGS"
 465 +else
 466 +  echo "$as_me: failed program was:" >&5
 467 +sed 's/^/| /' conftest.$ac_ext >&5
 468 +
 469 +gcc_cv_have_tls=no
 470 +fi
 471 +rm -f conftest.err conftest.$ac_objext \
 472 +      conftest$ac_exeext conftest.$ac_ext
 473
 474
 475  else
 476 @@ -76874,6 +76961,7 @@
 477
 478
 479
 480 +
 481     # Check whether --enable-tls or --disable-tls was given.
 482  if test "${enable_tls+set}" = set; then
 483    enableval="$enable_tls"
 484 @@ -76926,6 +77014,74 @@
 485    ac_status=$?
 486    echo "$as_me:$LINENO: \$? = $ac_status" >&5
 487    (exit $ac_status); }; }; then
 488 +  chktls_save_LDFLAGS="$LDFLAGS"
 489 +                         case $host in
 490 +           *-*-linux*)
 491 +             LDFLAGS="-shared -Wl,--no-undefined $LDFLAGS"
 492 +             ;;
 493 +         esac
 494 +         chktls_save_CFLAGS="$CFLAGS"
 495 +         CFLAGS="-fPIC $CFLAGS"
 496 +                 if test x$gcc_no_link = xyes; then
 497 +  { { echo "$as_me:$LINENO: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&5
 498 +echo "$as_me: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&2;}
 499 +   { (exit 1); exit 1; }; }
 500 +fi
 501 +cat >conftest.$ac_ext <<_ACEOF
 502 +int f() { return 0; }
 503 +_ACEOF
 504 +rm -f conftest.$ac_objext conftest$ac_exeext
 505 +if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
 506 +  (eval $ac_link) 2>conftest.er1
 507 +  ac_status=$?
 508 +  grep -v '^ *+' conftest.er1 >conftest.err
 509 +  rm -f conftest.er1
 510 +  cat conftest.err >&5
 511 +  echo "$as_me:$LINENO: \$? = $ac_status" >&5
 512 +  (exit $ac_status); } &&
 513 +        { ac_try='test -z "$ac_c_werror_flag"
 514 +                        || test ! -s conftest.err'
 515 +  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
 516 +  (eval $ac_try) 2>&5
 517 +  ac_status=$?
 518 +  echo "$as_me:$LINENO: \$? = $ac_status" >&5
 519 +  (exit $ac_status); }; } &&
 520 +        { ac_try='test -s conftest$ac_exeext'
 521 +  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
 522 +  (eval $ac_try) 2>&5
 523 +  ac_status=$?
 524 +  echo "$as_me:$LINENO: \$? = $ac_status" >&5
 525 +  (exit $ac_status); }; }; then
 526 +  if test x$gcc_no_link = xyes; then
 527 +  { { echo "$as_me:$LINENO: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&5
 528 +echo "$as_me: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&2;}
 529 +   { (exit 1); exit 1; }; }
 530 +fi
 531 +cat >conftest.$ac_ext <<_ACEOF
 532 +__thread int a; int b; int f() { return a = b; }
 533 +_ACEOF
 534 +rm -f conftest.$ac_objext conftest$ac_exeext
 535 +if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
 536 +  (eval $ac_link) 2>conftest.er1
 537 +  ac_status=$?
 538 +  grep -v '^ *+' conftest.er1 >conftest.err
 539 +  rm -f conftest.er1
 540 +  cat conftest.err >&5
 541 +  echo "$as_me:$LINENO: \$? = $ac_status" >&5
 542 +  (exit $ac_status); } &&
 543 +        { ac_try='test -z "$ac_c_werror_flag"
 544 +                        || test ! -s conftest.err'
 545 +  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
 546 +  (eval $ac_try) 2>&5
 547 +  ac_status=$?
 548 +  echo "$as_me:$LINENO: \$? = $ac_status" >&5
 549 +  (exit $ac_status); }; } &&
 550 +        { ac_try='test -s conftest$ac_exeext'
 551 +  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
 552 +  (eval $ac_try) 2>&5
 553 +  ac_status=$?
 554 +  echo "$as_me:$LINENO: \$? = $ac_status" >&5
 555 +  (exit $ac_status); }; }; then
 556    gcc_cv_have_tls=yes
 557  else
 558    echo "$as_me: failed program was:" >&5
 559 @@ -76935,6 +77091,24 @@
 560  fi
 561  rm -f conftest.err conftest.$ac_objext \
 562        conftest$ac_exeext conftest.$ac_ext
 563 +else
 564 +  echo "$as_me: failed program was:" >&5
 565 +sed 's/^/| /' conftest.$ac_ext >&5
 566 +
 567 +gcc_cv_have_tls=yes
 568 +fi
 569 +rm -f conftest.err conftest.$ac_objext \
 570 +      conftest$ac_exeext conftest.$ac_ext
 571 +         CFLAGS="$chktls_save_CFLAGS"
 572 +         LDFLAGS="$chktls_save_LDFLAGS"
 573 +else
 574 +  echo "$as_me: failed program was:" >&5
 575 +sed 's/^/| /' conftest.$ac_ext >&5
 576 +
 577 +gcc_cv_have_tls=no
 578 +fi
 579 +rm -f conftest.err conftest.$ac_objext \
 580 +      conftest$ac_exeext conftest.$ac_ext
 581
 582
 583  else
 584 @@ -94489,6 +94663,7 @@
 585  _ACEOF
 586
 587
 588 +
 589     # Check whether --enable-tls or --disable-tls was given.
 590  if test "${enable_tls+set}" = set; then
 591    enableval="$enable_tls"
 592 @@ -94541,6 +94716,74 @@
 593    ac_status=$?
 594    echo "$as_me:$LINENO: \$? = $ac_status" >&5
 595    (exit $ac_status); }; }; then
 596 +  chktls_save_LDFLAGS="$LDFLAGS"
 597 +                         case $host in
 598 +           *-*-linux*)
 599 +             LDFLAGS="-shared -Wl,--no-undefined $LDFLAGS"
 600 +             ;;
 601 +         esac
 602 +         chktls_save_CFLAGS="$CFLAGS"
 603 +         CFLAGS="-fPIC $CFLAGS"
 604 +                 if test x$gcc_no_link = xyes; then
 605 +  { { echo "$as_me:$LINENO: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&5
 606 +echo "$as_me: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&2;}
 607 +   { (exit 1); exit 1; }; }
 608 +fi
 609 +cat >conftest.$ac_ext <<_ACEOF
 610 +int f() { return 0; }
 611 +_ACEOF
 612 +rm -f conftest.$ac_objext conftest$ac_exeext
 613 +if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
 614 +  (eval $ac_link) 2>conftest.er1
 615 +  ac_status=$?
 616 +  grep -v '^ *+' conftest.er1 >conftest.err
 617 +  rm -f conftest.er1
 618 +  cat conftest.err >&5
 619 +  echo "$as_me:$LINENO: \$? = $ac_status" >&5
 620 +  (exit $ac_status); } &&
 621 +        { ac_try='test -z "$ac_c_werror_flag"
 622 +                        || test ! -s conftest.err'
 623 +  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
 624 +  (eval $ac_try) 2>&5
 625 +  ac_status=$?
 626 +  echo "$as_me:$LINENO: \$? = $ac_status" >&5
 627 +  (exit $ac_status); }; } &&
 628 +        { ac_try='test -s conftest$ac_exeext'
 629 +  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
 630 +  (eval $ac_try) 2>&5
 631 +  ac_status=$?
 632 +  echo "$as_me:$LINENO: \$? = $ac_status" >&5
 633 +  (exit $ac_status); }; }; then
 634 +  if test x$gcc_no_link = xyes; then
 635 +  { { echo "$as_me:$LINENO: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&5
 636 +echo "$as_me: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&2;}
 637 +   { (exit 1); exit 1; }; }
 638 +fi
 639 +cat >conftest.$ac_ext <<_ACEOF
 640 +__thread int a; int b; int f() { return a = b; }
 641 +_ACEOF
 642 +rm -f conftest.$ac_objext conftest$ac_exeext
 643 +if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
 644 +  (eval $ac_link) 2>conftest.er1
 645 +  ac_status=$?
 646 +  grep -v '^ *+' conftest.er1 >conftest.err
 647 +  rm -f conftest.er1
 648 +  cat conftest.err >&5
 649 +  echo "$as_me:$LINENO: \$? = $ac_status" >&5
 650 +  (exit $ac_status); } &&
 651 +        { ac_try='test -z "$ac_c_werror_flag"
 652 +                        || test ! -s conftest.err'
 653 +  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
 654 +  (eval $ac_try) 2>&5
 655 +  ac_status=$?
 656 +  echo "$as_me:$LINENO: \$? = $ac_status" >&5
 657 +  (exit $ac_status); }; } &&
 658 +        { ac_try='test -s conftest$ac_exeext'
 659 +  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
 660 +  (eval $ac_try) 2>&5
 661 +  ac_status=$?
 662 +  echo "$as_me:$LINENO: \$? = $ac_status" >&5
 663 +  (exit $ac_status); }; }; then
 664    gcc_cv_have_tls=yes
 665  else
 666    echo "$as_me: failed program was:" >&5
 667 @@ -94550,6 +94793,24 @@
 668  fi
 669  rm -f conftest.err conftest.$ac_objext \
 670        conftest$ac_exeext conftest.$ac_ext
 671 +else
 672 +  echo "$as_me: failed program was:" >&5
 673 +sed 's/^/| /' conftest.$ac_ext >&5
 674 +
 675 +gcc_cv_have_tls=yes
 676 +fi
 677 +rm -f conftest.err conftest.$ac_objext \
 678 +      conftest$ac_exeext conftest.$ac_ext
 679 +         CFLAGS="$chktls_save_CFLAGS"
 680 +         LDFLAGS="$chktls_save_LDFLAGS"
 681 +else
 682 +  echo "$as_me: failed program was:" >&5
 683 +sed 's/^/| /' conftest.$ac_ext >&5
 684 +
 685 +gcc_cv_have_tls=no
 686 +fi
 687 +rm -f conftest.err conftest.$ac_objext \
 688 +      conftest$ac_exeext conftest.$ac_ext
 689
 690
 691  else