* configure: Rebuilt.

	* configure.in: Always ask gcc for threads package.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@45052 138bc75d-0d04-0410-961f-82ee72b054a4

3 files changed, 82 insertions, 91 deletions

diff --git a/boehm-gc/ChangeLog b/boehm-gc/ChangeLog
index e1efa19d1c2..19291609bc0 100644
--- a/boehm-gc/ChangeLog
+++ b/boehm-gc/ChangeLog
@@ -1,3 +1,8 @@
+2001-08-20  Tom Tromey  <tromey@redhat.com>
+
+	* configure: Rebuilt.
+	* configure.in: Always ask gcc for threads package.
+
 2001-08-17  Tom Tromey  <tromey@redhat.com>
 
 	* Makefile.am, acinclude.m4, configure.in: Imported GC 6.0 and
diff --git a/boehm-gc/configure b/boehm-gc/configure
index 271ce5c2f5f..6ae5e9bf5b2 100755
--- a/boehm-gc/configure
+++ b/boehm-gc/configure
@@ -37,8 +37,6 @@ ac_help="$ac_help
   --enable-maintainer-mode enable make rules and dependencies not useful
                           (and sometimes confusing) to the casual installer"
 ac_help="$ac_help
-  --enable-threads=TYPE   choose threading package"
-ac_help="$ac_help
   --enable-parallel-mark	parallelize marking and free list construction"
 ac_help="$ac_help
   --with-ecos             enable runtime eCos target support"
@@ -598,7 +596,7 @@ ac_configure=$ac_aux_dir/configure # This should be Cygnus configure.
 # SVR4 /usr/ucb/install, which tries to use the nonexistent group "staff"
 # ./install, which can be erroneously created by make from ./install.sh.
 echo $ac_n "checking for a BSD compatible install""... $ac_c" 1>&6
-echo "configure:602: checking for a BSD compatible install" >&5
+echo "configure:600: checking for a BSD compatible install" >&5
 if test -z "$INSTALL"; then
 if eval "test \"`echo '$''{'ac_cv_path_install'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -651,7 +649,7 @@ test -z "$INSTALL_SCRIPT" && INSTALL_SCRIPT='${INSTALL_PROGRAM}'
 test -z "$INSTALL_DATA" && INSTALL_DATA='${INSTALL} -m 644'
 
 echo $ac_n "checking whether build environment is sane""... $ac_c" 1>&6
-echo "configure:655: checking whether build environment is sane" >&5
+echo "configure:653: checking whether build environment is sane" >&5
 # Just in case
 sleep 1
 echo timestamp > conftestfile
@@ -708,7 +706,7 @@ test "$program_suffix" != NONE &&
 test "$program_transform_name" = "" && program_transform_name="s,x,x,"
 
 echo $ac_n "checking whether ${MAKE-make} sets \${MAKE}""... $ac_c" 1>&6
-echo "configure:712: checking whether ${MAKE-make} sets \${MAKE}" >&5
+echo "configure:710: checking whether ${MAKE-make} sets \${MAKE}" >&5
 set dummy ${MAKE-make}; ac_make=`echo "$2" | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_prog_make_${ac_make}_set'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -741,12 +739,12 @@ else
 fi
 
 echo $ac_n "checking for Cygwin environment""... $ac_c" 1>&6
-echo "configure:745: checking for Cygwin environment" >&5
+echo "configure:743: checking for Cygwin environment" >&5
 if eval "test \"`echo '$''{'ac_cv_cygwin'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 750 "configure"
+#line 748 "configure"
 #include "confdefs.h"
 
 int main() {
@@ -757,7 +755,7 @@ int main() {
 return __CYGWIN__;
 ; return 0; }
 EOF
-if { (eval echo configure:761: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:759: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_cygwin=yes
 else
@@ -774,19 +772,19 @@ echo "$ac_t""$ac_cv_cygwin" 1>&6
 CYGWIN=
 test "$ac_cv_cygwin" = yes && CYGWIN=yes
 echo $ac_n "checking for mingw32 environment""... $ac_c" 1>&6
-echo "configure:778: checking for mingw32 environment" >&5
+echo "configure:776: checking for mingw32 environment" >&5
 if eval "test \"`echo '$''{'ac_cv_mingw32'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 783 "configure"
+#line 781 "configure"
 #include "confdefs.h"
 
 int main() {
 return __MINGW32__;
 ; return 0; }
 EOF
-if { (eval echo configure:790: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:788: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_mingw32=yes
 else
@@ -897,7 +895,7 @@ else { echo "configure: error: can not run $ac_config_sub" 1>&2; exit 1; }
 fi
 
 echo $ac_n "checking host system type""... $ac_c" 1>&6
-echo "configure:901: checking host system type" >&5
+echo "configure:899: checking host system type" >&5
 
 host_alias=$host
 case "$host_alias" in
@@ -918,7 +916,7 @@ host_os=`echo $host | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
 echo "$ac_t""$host" 1>&6
 
 echo $ac_n "checking target system type""... $ac_c" 1>&6
-echo "configure:922: checking target system type" >&5
+echo "configure:920: checking target system type" >&5
 
 target_alias=$target
 case "$target_alias" in
@@ -936,7 +934,7 @@ target_os=`echo $target | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
 echo "$ac_t""$target" 1>&6
 
 echo $ac_n "checking build system type""... $ac_c" 1>&6
-echo "configure:940: checking build system type" >&5
+echo "configure:938: checking build system type" >&5
 
 build_alias=$build
 case "$build_alias" in
@@ -976,7 +974,7 @@ fi
 
 missing_dir=`cd $ac_aux_dir && pwd`
 echo $ac_n "checking for working aclocal""... $ac_c" 1>&6
-echo "configure:980: checking for working aclocal" >&5
+echo "configure:978: checking for working aclocal" >&5
 # Run test in a subshell; some versions of sh will print an error if
 # an executable is not found, even if stderr is redirected.
 # Redirect stdin to placate older versions of autoconf.  Sigh.
@@ -989,7 +987,7 @@ else
 fi
 
 echo $ac_n "checking for working autoconf""... $ac_c" 1>&6
-echo "configure:993: checking for working autoconf" >&5
+echo "configure:991: checking for working autoconf" >&5
 # Run test in a subshell; some versions of sh will print an error if
 # an executable is not found, even if stderr is redirected.
 # Redirect stdin to placate older versions of autoconf.  Sigh.
@@ -1002,7 +1000,7 @@ else
 fi
 
 echo $ac_n "checking for working automake""... $ac_c" 1>&6
-echo "configure:1006: checking for working automake" >&5
+echo "configure:1004: checking for working automake" >&5
 # Run test in a subshell; some versions of sh will print an error if
 # an executable is not found, even if stderr is redirected.
 # Redirect stdin to placate older versions of autoconf.  Sigh.
@@ -1015,7 +1013,7 @@ else
 fi
 
 echo $ac_n "checking for working autoheader""... $ac_c" 1>&6
-echo "configure:1019: checking for working autoheader" >&5
+echo "configure:1017: checking for working autoheader" >&5
 # Run test in a subshell; some versions of sh will print an error if
 # an executable is not found, even if stderr is redirected.
 # Redirect stdin to placate older versions of autoconf.  Sigh.
@@ -1028,7 +1026,7 @@ else
 fi
 
 echo $ac_n "checking for working makeinfo""... $ac_c" 1>&6
-echo "configure:1032: checking for working makeinfo" >&5
+echo "configure:1030: checking for working makeinfo" >&5
 # Run test in a subshell; some versions of sh will print an error if
 # an executable is not found, even if stderr is redirected.
 # Redirect stdin to placate older versions of autoconf.  Sigh.
@@ -1054,7 +1052,7 @@ fi
 # Extract the first word of "gcc", so it can be a program name with args.
 set dummy gcc; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:1058: checking for $ac_word" >&5
+echo "configure:1056: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_CC'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1084,7 +1082,7 @@ if test -z "$CC"; then
   # Extract the first word of "cc", so it can be a program name with args.
 set dummy cc; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:1088: checking for $ac_word" >&5
+echo "configure:1086: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_CC'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1133,7 +1131,7 @@ fi
 fi
 
 echo $ac_n "checking whether we are using GNU C""... $ac_c" 1>&6
-echo "configure:1137: checking whether we are using GNU C" >&5
+echo "configure:1135: checking whether we are using GNU C" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_gcc'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1142,7 +1140,7 @@ else
   yes;
 #endif
 EOF
-if { ac_try='${CC-cc} -E conftest.c'; { (eval echo configure:1146: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } | egrep yes >/dev/null 2>&1; then
+if { ac_try='${CC-cc} -E conftest.c'; { (eval echo configure:1144: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } | egrep yes >/dev/null 2>&1; then
   ac_cv_prog_gcc=yes
 else
   ac_cv_prog_gcc=no
@@ -1157,7 +1155,7 @@ if test $ac_cv_prog_gcc = yes; then
   ac_save_CFLAGS="$CFLAGS"
   CFLAGS=
   echo $ac_n "checking whether ${CC-cc} accepts -g""... $ac_c" 1>&6
-echo "configure:1161: checking whether ${CC-cc} accepts -g" >&5
+echo "configure:1159: checking whether ${CC-cc} accepts -g" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_cc_g'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1194,7 +1192,7 @@ do
 # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:1198: checking for $ac_word" >&5
+echo "configure:1196: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_CXX'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1227,7 +1225,7 @@ test -n "$CXX" || CXX="gcc"
 test -z "$CXX" && { echo "configure: error: no acceptable c++ found in \$PATH" 1>&2; exit 1; }
 
 echo $ac_n "checking whether we are using GNU C++""... $ac_c" 1>&6
-echo "configure:1231: checking whether we are using GNU C++" >&5
+echo "configure:1229: checking whether we are using GNU C++" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_gxx'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1236,7 +1234,7 @@ else
   yes;
 #endif
 EOF
-if { ac_try='${CXX-g++} -E conftest.C'; { (eval echo configure:1240: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } | egrep yes >/dev/null 2>&1; then
+if { ac_try='${CXX-g++} -E conftest.C'; { (eval echo configure:1238: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } | egrep yes >/dev/null 2>&1; then
   ac_cv_prog_gxx=yes
 else
   ac_cv_prog_gxx=no
@@ -1251,7 +1249,7 @@ if test $ac_cv_prog_gxx = yes; then
   ac_save_CXXFLAGS="$CXXFLAGS"
   CXXFLAGS=
   echo $ac_n "checking whether ${CXX-g++} accepts -g""... $ac_c" 1>&6
-echo "configure:1255: checking whether ${CXX-g++} accepts -g" >&5
+echo "configure:1253: checking whether ${CXX-g++} accepts -g" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_cxx_g'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1284,7 +1282,7 @@ fi
 # NEWLIB_CONFIGURE, which doesn't work because that means that it will
 # be run before AC_CANONICAL_HOST.
 echo $ac_n "checking build system type""... $ac_c" 1>&6
-echo "configure:1288: checking build system type" >&5
+echo "configure:1286: checking build system type" >&5
 
 build_alias=$build
 case "$build_alias" in
@@ -1305,7 +1303,7 @@ echo "$ac_t""$build" 1>&6
 # Extract the first word of "${ac_tool_prefix}as", so it can be a program name with args.
 set dummy ${ac_tool_prefix}as; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:1309: checking for $ac_word" >&5
+echo "configure:1307: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_AS'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1337,7 +1335,7 @@ fi
 # Extract the first word of "${ac_tool_prefix}ar", so it can be a program name with args.
 set dummy ${ac_tool_prefix}ar; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:1341: checking for $ac_word" >&5
+echo "configure:1339: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_AR'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1369,7 +1367,7 @@ fi
 # Extract the first word of "${ac_tool_prefix}ranlib", so it can be a program name with args.
 set dummy ${ac_tool_prefix}ranlib; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:1373: checking for $ac_word" >&5
+echo "configure:1371: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_RANLIB'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1401,7 +1399,7 @@ if test -n "$ac_tool_prefix"; then
   # Extract the first word of "ranlib", so it can be a program name with args.
 set dummy ranlib; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:1405: checking for $ac_word" >&5
+echo "configure:1403: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_RANLIB'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1446,7 +1444,7 @@ fi
 # SVR4 /usr/ucb/install, which tries to use the nonexistent group "staff"
 # ./install, which can be erroneously created by make from ./install.sh.
 echo $ac_n "checking for a BSD compatible install""... $ac_c" 1>&6
-echo "configure:1450: checking for a BSD compatible install" >&5
+echo "configure:1448: checking for a BSD compatible install" >&5
 if test -z "$INSTALL"; then
 if eval "test \"`echo '$''{'ac_cv_path_install'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -1500,7 +1498,7 @@ test -z "$INSTALL_DATA" && INSTALL_DATA='${INSTALL} -m 644'
 
 
 echo $ac_n "checking whether to enable maintainer-specific portions of Makefiles""... $ac_c" 1>&6
-echo "configure:1504: checking whether to enable maintainer-specific portions of Makefiles" >&5
+echo "configure:1502: checking whether to enable maintainer-specific portions of Makefiles" >&5
     # Check whether --enable-maintainer-mode or --disable-maintainer-mode was given.
 if test "${enable_maintainer_mode+set}" = set; then
   enableval="$enable_maintainer_mode"
@@ -1538,7 +1536,7 @@ if false; then
   
 
 echo $ac_n "checking for executable suffix""... $ac_c" 1>&6
-echo "configure:1542: checking for executable suffix" >&5
+echo "configure:1540: checking for executable suffix" >&5
 if eval "test \"`echo '$''{'ac_cv_exeext'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1548,7 +1546,7 @@ else
   rm -f conftest*
   echo 'int main () { return 0; }' > conftest.$ac_ext
   ac_cv_exeext=
-  if { (eval echo configure:1552: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }; then
+  if { (eval echo configure:1550: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }; then
     for file in conftest.*; do
       case $file in
       *.c | *.o | *.obj | *.ilk | *.pdb) ;;
@@ -1670,7 +1668,7 @@ ac_prog=ld
 if test "$GCC" = yes; then
   # Check if gcc -print-prog-name=ld gives a path.
   echo $ac_n "checking for ld used by GCC""... $ac_c" 1>&6
-echo "configure:1674: checking for ld used by GCC" >&5
+echo "configure:1672: checking for ld used by GCC" >&5
   case $host in
   *-*-mingw*)
     # gcc leaves a trailing carriage return which upsets mingw
@@ -1700,10 +1698,10 @@ echo "configure:1674: checking for ld used by GCC" >&5
   esac
 elif test "$with_gnu_ld" = yes; then
   echo $ac_n "checking for GNU ld""... $ac_c" 1>&6
-echo "configure:1704: checking for GNU ld" >&5
+echo "configure:1702: checking for GNU ld" >&5
 else
   echo $ac_n "checking for non-GNU ld""... $ac_c" 1>&6
-echo "configure:1707: checking for non-GNU ld" >&5
+echo "configure:1705: checking for non-GNU ld" >&5
 fi
 if eval "test \"`echo '$''{'lt_cv_path_LD'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -1738,7 +1736,7 @@ else
 fi
 test -z "$LD" && { echo "configure: error: no acceptable ld found in \$PATH" 1>&2; exit 1; }
 echo $ac_n "checking if the linker ($LD) is GNU ld""... $ac_c" 1>&6
-echo "configure:1742: checking if the linker ($LD) is GNU ld" >&5
+echo "configure:1740: checking if the linker ($LD) is GNU ld" >&5
 if eval "test \"`echo '$''{'lt_cv_prog_gnu_ld'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1755,7 +1753,7 @@ with_gnu_ld=$lt_cv_prog_gnu_ld
 
 
 echo $ac_n "checking for $LD option to reload object files""... $ac_c" 1>&6
-echo "configure:1759: checking for $LD option to reload object files" >&5
+echo "configure:1757: checking for $LD option to reload object files" >&5
 if eval "test \"`echo '$''{'lt_cv_ld_reload_flag'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1767,7 +1765,7 @@ reload_flag=$lt_cv_ld_reload_flag
 test -n "$reload_flag" && reload_flag=" $reload_flag"
 
 echo $ac_n "checking for BSD-compatible nm""... $ac_c" 1>&6
-echo "configure:1771: checking for BSD-compatible nm" >&5
+echo "configure:1769: checking for BSD-compatible nm" >&5
 if eval "test \"`echo '$''{'lt_cv_path_NM'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1805,7 +1803,7 @@ NM="$lt_cv_path_NM"
 echo "$ac_t""$NM" 1>&6
 
 echo $ac_n "checking whether ln -s works""... $ac_c" 1>&6
-echo "configure:1809: checking whether ln -s works" >&5
+echo "configure:1807: checking whether ln -s works" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_LN_S'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1826,7 +1824,7 @@ else
 fi
 
 echo $ac_n "checking how to recognise dependant libraries""... $ac_c" 1>&6
-echo "configure:1830: checking how to recognise dependant libraries" >&5
+echo "configure:1828: checking how to recognise dependant libraries" >&5
 if eval "test \"`echo '$''{'lt_cv_deplibs_check_method'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1990,13 +1988,13 @@ file_magic_cmd=$lt_cv_file_magic_cmd
 deplibs_check_method=$lt_cv_deplibs_check_method
 
 echo $ac_n "checking for object suffix""... $ac_c" 1>&6
-echo "configure:1994: checking for object suffix" >&5
+echo "configure:1992: checking for object suffix" >&5
 if eval "test \"`echo '$''{'ac_cv_objext'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   rm -f conftest*
 echo 'int i = 1;' > conftest.$ac_ext
-if { (eval echo configure:2000: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:1998: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   for ac_file in conftest.*; do
     case $ac_file in
     *.c) ;;
@@ -2020,7 +2018,7 @@ case $deplibs_check_method in
 file_magic*)
   if test "$file_magic_cmd" = '$MAGIC_CMD'; then
     echo $ac_n "checking for ${ac_tool_prefix}file""... $ac_c" 1>&6
-echo "configure:2024: checking for ${ac_tool_prefix}file" >&5
+echo "configure:2022: checking for ${ac_tool_prefix}file" >&5
 if eval "test \"`echo '$''{'lt_cv_path_MAGIC_CMD'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2082,7 +2080,7 @@ fi
 if test -z "$lt_cv_path_MAGIC_CMD"; then
   if test -n "$ac_tool_prefix"; then
     echo $ac_n "checking for file""... $ac_c" 1>&6
-echo "configure:2086: checking for file" >&5
+echo "configure:2084: checking for file" >&5
 if eval "test \"`echo '$''{'lt_cv_path_MAGIC_CMD'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2153,7 +2151,7 @@ esac
 # Extract the first word of "${ac_tool_prefix}ranlib", so it can be a program name with args.
 set dummy ${ac_tool_prefix}ranlib; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:2157: checking for $ac_word" >&5
+echo "configure:2155: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_RANLIB'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2185,7 +2183,7 @@ if test -n "$ac_tool_prefix"; then
   # Extract the first word of "ranlib", so it can be a program name with args.
 set dummy ranlib; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:2189: checking for $ac_word" >&5
+echo "configure:2187: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_RANLIB'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2220,7 +2218,7 @@ fi
 # Extract the first word of "${ac_tool_prefix}strip", so it can be a program name with args.
 set dummy ${ac_tool_prefix}strip; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:2224: checking for $ac_word" >&5
+echo "configure:2222: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_STRIP'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2252,7 +2250,7 @@ if test -n "$ac_tool_prefix"; then
   # Extract the first word of "strip", so it can be a program name with args.
 set dummy strip; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:2256: checking for $ac_word" >&5
+echo "configure:2254: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_STRIP'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2319,8 +2317,8 @@ test x"$pic_mode" = xno && libtool_flags="$libtool_flags --prefer-non-pic"
 case $host in
 *-*-irix6*)
   # Find out which ABI we are using.
-  echo '#line 2323 "configure"' > conftest.$ac_ext
-  if { (eval echo configure:2324: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+  echo '#line 2321 "configure"' > conftest.$ac_ext
+  if { (eval echo configure:2322: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
     case `/usr/bin/file conftest.$ac_objext` in
     *32-bit*)
       LD="${LD-ld} -32"
@@ -2341,7 +2339,7 @@ case $host in
   SAVE_CFLAGS="$CFLAGS"
   CFLAGS="$CFLAGS -belf"
   echo $ac_n "checking whether the C compiler needs -belf""... $ac_c" 1>&6
-echo "configure:2345: checking whether the C compiler needs -belf" >&5
+echo "configure:2343: checking whether the C compiler needs -belf" >&5
 if eval "test \"`echo '$''{'lt_cv_cc_needs_belf'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2354,14 +2352,14 @@ ac_link='${CC-cc} -o conftest${ac_exeext} $CFLAGS $CPPFLAGS $LDFLAGS conftest.$a
 cross_compiling=$ac_cv_prog_cc_cross
 
      cat > conftest.$ac_ext <<EOF
-#line 2358 "configure"
+#line 2356 "configure"
 #include "confdefs.h"
 
 int main() {
 
 ; return 0; }
 EOF
-if { (eval echo configure:2365: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2363: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   lt_cv_cc_needs_belf=yes
 else
@@ -2391,7 +2389,7 @@ echo "$ac_t""$lt_cv_cc_needs_belf" 1>&6
 esac
 
 echo $ac_n "checking how to run the C++ preprocessor""... $ac_c" 1>&6
-echo "configure:2395: checking how to run the C++ preprocessor" >&5
+echo "configure:2393: checking how to run the C++ preprocessor" >&5
 if test -z "$CXXCPP"; then
 if eval "test \"`echo '$''{'ac_cv_prog_CXXCPP'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -2404,12 +2402,12 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
   CXXCPP="${CXX-g++} -E"
   cat > conftest.$ac_ext <<EOF
-#line 2408 "configure"
+#line 2406 "configure"
 #include "confdefs.h"
 #include <stdlib.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:2413: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:2411: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   :
@@ -2556,7 +2554,7 @@ fi
 
 
 echo $ac_n "checking whether to enable maintainer-specific portions of Makefiles""... $ac_c" 1>&6
-echo "configure:2560: checking whether to enable maintainer-specific portions of Makefiles" >&5
+echo "configure:2558: checking whether to enable maintainer-specific portions of Makefiles" >&5
     # Check whether --enable-maintainer-mode or --disable-maintainer-mode was given.
 if test "${enable_maintainer_mode+set}" = set; then
   enableval="$enable_maintainer_mode"
@@ -2589,7 +2587,7 @@ if false; then
   
 
 echo $ac_n "checking for executable suffix""... $ac_c" 1>&6
-echo "configure:2593: checking for executable suffix" >&5
+echo "configure:2591: checking for executable suffix" >&5
 if eval "test \"`echo '$''{'ac_cv_exeext'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2599,7 +2597,7 @@ else
   rm -f conftest*
   echo 'int main () { return 0; }' > conftest.$ac_ext
   ac_cv_exeext=
-  if { (eval echo configure:2603: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }; then
+  if { (eval echo configure:2601: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }; then
     for file in conftest.*; do
       case $file in
       *.c | *.o | *.obj | *.ilk | *.pdb) ;;
@@ -2621,22 +2619,13 @@ ac_exeext=$EXEEXT
 
 fi
 
-echo $ac_n "checking for threads package to use""... $ac_c" 1>&6
-echo "configure:2626: checking for threads package to use" >&5
-# Check whether --enable-threads or --disable-threads was given.
-if test "${enable_threads+set}" = set; then
-  enableval="$enable_threads"
-  THREADS=$enableval
-else
-   echo $ac_n "checking for thread model used by GCC""... $ac_c" 1>&6
-echo "configure:2633: checking for thread model used by GCC" >&5
-    THREADS=`$CC -v 2>&1 | sed -n 's/^Thread model: //p'`
-    if test -z "$THREADS"; then
-      THREADS=no
-    fi
-    echo "$ac_t""$THREADS" 1>&6
+echo $ac_n "checking for thread model used by GCC""... $ac_c" 1>&6
+echo "configure:2624: checking for thread model used by GCC" >&5
+THREADS=`$CC -v 2>&1 | sed -n 's/^Thread model: //p'`
+if test -z "$THREADS"; then
+   THREADS=no
 fi
-
+echo "$ac_t""$THREADS" 1>&6
 
 # Check whether --enable-parallel-mark or --disable-parallel-mark was given.
 if test "${enable_parallel_mark+set}" = set; then
@@ -2752,7 +2741,7 @@ esac
 
 
 echo $ac_n "checking for dlopen in -ldl""... $ac_c" 1>&6
-echo "configure:2756: checking for dlopen in -ldl" >&5
+echo "configure:2745: checking for dlopen in -ldl" >&5
 ac_lib_var=`echo dl'_'dlopen | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -2760,7 +2749,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-ldl  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 2764 "configure"
+#line 2753 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
@@ -2771,7 +2760,7 @@ int main() {
 dlopen()
 ; return 0; }
 EOF
-if { (eval echo configure:2775: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2764: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
diff --git a/boehm-gc/configure.in b/boehm-gc/configure.in
index 5a0092ecadc..e36cd9023b3 100644
--- a/boehm-gc/configure.in
+++ b/boehm-gc/configure.in
@@ -41,15 +41,12 @@ if false; then
   AC_EXEEXT
 fi
 
-AC_MSG_CHECKING([for threads package to use])
-AC_ARG_ENABLE(threads, [  --enable-threads=TYPE   choose threading package],
-  THREADS=$enableval,
-  [ AC_MSG_CHECKING([for thread model used by GCC])
-    THREADS=`$CC -v 2>&1 | sed -n 's/^Thread model: //p'`
-    if test -z "$THREADS"; then
-      THREADS=no
-    fi
-    AC_MSG_RESULT([$THREADS])])
+AC_MSG_CHECKING([for thread model used by GCC])
+THREADS=`$CC -v 2>&1 | sed -n 's/^Thread model: //p'`
+if test -z "$THREADS"; then
+   THREADS=no
+fi
+AC_MSG_RESULT([$THREADS])
 
 AC_ARG_ENABLE(parallel-mark,
 [  --enable-parallel-mark	parallelize marking and free list construction],