configure rebuilt to incorporate the host/host_alias fix

src/configure

@@ -4143,6 +4143,8 @@ case "${host_os}" in
 		BUNDLE_LDFLAGS="-bundle ${LDFLAGS}"
 		LDRPATH=''
 		LDINSTALLNAME="-Wl,-install_name,${libdir}/${SHAREDPREFIX}ecl.${SHAREDEXT}"
+		THREAD_CFLAGS='-D_THREAD_SAFE'
+		THREAD_LDFLAGS='-lpthread'
 		;;
 	*)
 		thehost="$host_os"
@@ -6525,7 +6527,7 @@ echo "${ECHO_T}configuring local copy" >&6
    (destdir=`${PWDCMD}`; cd gmp; CC="${CC} ${PICFLAG}" \
      $srcdir/gmp/configure --disable-shared --prefix=${destdir} \
 	--infodir=${destdir}/doc --includedir=${destdir}/h \
-        --libdir=${destdir} --build=${build} --host=${host} $gmp_flags)
+        --libdir=${destdir} --build=${build_alias} --host=${host_alias} $gmp_flags)
   fi
 fi
 echo "$as_me:$LINENO: checking for Boehm-Weiser gc..." >&5
@@ -6537,7 +6539,6 @@ elif test "${local_boehm}" = "no" ; then
   echo "$as_me:$LINENO: result: configuring local copy" >&5
 echo "${ECHO_T}configuring local copy" >&6
   test -d gc && rm -rf gc
-  echo $host
   if mkdir gc; then
     if test "${threads}" ; then
       (destdir=`${PWDCMD}`; cd gc; CC="${CC} ${PICFLAG}" \