tls.m4 (GCC_CHECK_TLS): Also test TLS in a shared library when cross-compiling.

config:
	* tls.m4 (GCC_CHECK_TLS): Also test TLS in a shared library when
	cross-compiling.

libgomp:
	* configure: Regenerate.

libjava:
	* configure: Regenerate.

libmudflap:
	* configure: Regenerate.

libstdc++-v3:
	* configure: Regenerate.

From-SVN: r149725

2 files changed, 84 insertions, 0 deletions

diff --git a/libmudflap/ChangeLog b/libmudflap/ChangeLog
index 78507bc..edb0958 100644
--- a/libmudflap/ChangeLog
+++ b/libmudflap/ChangeLog
@@ -1,3 +1,7 @@
+2009-07-16  Joseph Myers  <joseph@codesourcery.com>
+
+	* configure: Regenerate.
+
 2009-07-11  Richard Sandiford  <rdsandiford@googlemail.com>
 
 	PR testsuite/40699
diff --git a/libmudflap/configure b/libmudflap/configure
index ae1be92..954ffa1 100755
--- a/libmudflap/configure
+++ b/libmudflap/configure
@@ -12740,6 +12740,7 @@ fi
 
 # See if we support thread-local storage.
 
+
    # Check whether --enable-tls or --disable-tls was given.
 if test "${enable_tls+set}" = set; then
   enableval="$enable_tls"
@@ -12787,6 +12788,64 @@ if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
   ac_status=$?
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); }; }; then
+  chktls_save_LDFLAGS="$LDFLAGS"
+	  	  	  case $host in
+	    *-*-linux*)
+	      LDFLAGS="-shared -Wl,--no-undefined $LDFLAGS"
+	      ;;
+	  esac
+	  chktls_save_CFLAGS="$CFLAGS"
+	  CFLAGS="-fPIC $CFLAGS"
+	  	  cat >conftest.$ac_ext <<_ACEOF
+int f() { return 0; }
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
+  (eval $ac_link) 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } &&
+	 { ac_try='test -z "$ac_c_werror_flag"
+			 || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest$ac_exeext'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  cat >conftest.$ac_ext <<_ACEOF
+__thread int a; int b; int f() { return a = b; }
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
+  (eval $ac_link) 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } &&
+	 { ac_try='test -z "$ac_c_werror_flag"
+			 || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest$ac_exeext'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
   gcc_cv_have_tls=yes
 else
   echo "$as_me: failed program was:" >&5
@@ -12796,6 +12855,24 @@ gcc_cv_have_tls=no
 fi
 rm -f conftest.err conftest.$ac_objext \
       conftest$ac_exeext conftest.$ac_ext
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+gcc_cv_have_tls=yes
+fi
+rm -f conftest.err conftest.$ac_objext \
+      conftest$ac_exeext conftest.$ac_ext
+	  CFLAGS="$chktls_save_CFLAGS"
+	  LDFLAGS="$chktls_save_LDFLAGS"
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+gcc_cv_have_tls=no
+fi
+rm -f conftest.err conftest.$ac_objext \
+      conftest$ac_exeext conftest.$ac_ext
 
 
 else
@@ -13624,6 +13701,9 @@ ac_configure_args="${multilib_arg} ${ac_configure_args}"
 multi_basedir="$multi_basedir"
 CONFIG_SHELL=${CONFIG_SHELL-/bin/sh}
 CC="$CC"
+CXX="$CXX"
+GFORTRAN="$GFORTRAN"
+GCJ="$GCJ"
 AMDEP_TRUE="$AMDEP_TRUE" ac_aux_dir="$ac_aux_dir"