diff --git a/configure b/configure
index a56519c..f5759f5 100755
--- a/configure
+++ b/configure
@@ -8511,11 +8511,6 @@
 $as_echo "$as_me: WARNING: Replacing compiler $CC with compiler $PTHREAD_CC to support pthreads." >&2;}
             CC="$PTHREAD_CC"
         fi
-        if test "$CXX" != "$PTHREAD_CXX"; then
-          { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: Replacing compiler $CXX with compiler $PTHREAD_CXX to support pthreads." >&5
-$as_echo "$as_me: WARNING: Replacing compiler $CXX with compiler $PTHREAD_CXX to support pthreads." >&2;}
-          CXX="$PTHREAD_CXX"
-        fi
 
 $as_echo "#define THREAD_SUPPORT 1" >>confdefs.h
 
@@ -9729,13 +9724,13 @@
 else
   lt_cv_nm_interface="BSD nm"
   echo "int some_variable = 0;" > conftest.$ac_ext
-  (eval echo "\"\$as_me:9732: $ac_compile\"" >&5)
+  (eval echo "\"\$as_me:9727: $ac_compile\"" >&5)
   (eval "$ac_compile" 2>conftest.err)
   cat conftest.err >&5
-  (eval echo "\"\$as_me:9735: $NM \\\"conftest.$ac_objext\\\"\"" >&5)
+  (eval echo "\"\$as_me:9730: $NM \\\"conftest.$ac_objext\\\"\"" >&5)
   (eval "$NM \"conftest.$ac_objext\"" 2>conftest.err > conftest.out)
   cat conftest.err >&5
-  (eval echo "\"\$as_me:9738: output\"" >&5)
+  (eval echo "\"\$as_me:9733: output\"" >&5)
   cat conftest.out >&5
   if $GREP 'External.*some_variable' conftest.out > /dev/null; then
     lt_cv_nm_interface="MS dumpbin"
@@ -10926,7 +10921,7 @@
   ;;
 *-*-irix6*)
   # Find out which ABI we are using.
-  echo '#line 10929 "configure"' > conftest.$ac_ext
+  echo '#line 10924 "configure"' > conftest.$ac_ext
   if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
@@ -13011,11 +13006,11 @@
    -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
    -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
    -e 's:$: $lt_compiler_flag:'`
-   (eval echo "\"\$as_me:13014: $lt_compile\"" >&5)
+   (eval echo "\"\$as_me:13009: $lt_compile\"" >&5)
    (eval "$lt_compile" 2>conftest.err)
    ac_status=$?
    cat conftest.err >&5
-   echo "$as_me:13018: \$? = $ac_status" >&5
+   echo "$as_me:13013: \$? = $ac_status" >&5
    if (exit $ac_status) && test -s "$ac_outfile"; then
      # The compiler can only warn and ignore the option if not recognized
      # So say no if there are warnings other than the usual output.
@@ -13350,11 +13345,11 @@
    -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
    -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
    -e 's:$: $lt_compiler_flag:'`
-   (eval echo "\"\$as_me:13353: $lt_compile\"" >&5)
+   (eval echo "\"\$as_me:13348: $lt_compile\"" >&5)
    (eval "$lt_compile" 2>conftest.err)
    ac_status=$?
    cat conftest.err >&5
-   echo "$as_me:13357: \$? = $ac_status" >&5
+   echo "$as_me:13352: \$? = $ac_status" >&5
    if (exit $ac_status) && test -s "$ac_outfile"; then
      # The compiler can only warn and ignore the option if not recognized
      # So say no if there are warnings other than the usual output.
@@ -13455,11 +13450,11 @@
    -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
    -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
    -e 's:$: $lt_compiler_flag:'`
-   (eval echo "\"\$as_me:13458: $lt_compile\"" >&5)
+   (eval echo "\"\$as_me:13453: $lt_compile\"" >&5)
    (eval "$lt_compile" 2>out/conftest.err)
    ac_status=$?
    cat out/conftest.err >&5
-   echo "$as_me:13462: \$? = $ac_status" >&5
+   echo "$as_me:13457: \$? = $ac_status" >&5
    if (exit $ac_status) && test -s out/conftest2.$ac_objext
    then
      # The compiler can only warn and ignore the option if not recognized
@@ -13510,11 +13505,11 @@
    -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
    -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
    -e 's:$: $lt_compiler_flag:'`
-   (eval echo "\"\$as_me:13513: $lt_compile\"" >&5)
+   (eval echo "\"\$as_me:13508: $lt_compile\"" >&5)
    (eval "$lt_compile" 2>out/conftest.err)
    ac_status=$?
    cat out/conftest.err >&5
-   echo "$as_me:13517: \$? = $ac_status" >&5
+   echo "$as_me:13512: \$? = $ac_status" >&5
    if (exit $ac_status) && test -s out/conftest2.$ac_objext
    then
      # The compiler can only warn and ignore the option if not recognized
@@ -15880,7 +15875,7 @@
   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
   lt_status=$lt_dlunknown
   cat > conftest.$ac_ext <<_LT_EOF
-#line 15883 "configure"
+#line 15878 "configure"
 #include "confdefs.h"
 
 #if HAVE_DLFCN_H
@@ -15976,7 +15971,7 @@
   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
   lt_status=$lt_dlunknown
   cat > conftest.$ac_ext <<_LT_EOF
-#line 15979 "configure"
+#line 15974 "configure"
 #include "confdefs.h"
 
 #if HAVE_DLFCN_H
@@ -17932,11 +17927,11 @@
    -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
    -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
    -e 's:$: $lt_compiler_flag:'`
-   (eval echo "\"\$as_me:17935: $lt_compile\"" >&5)
+   (eval echo "\"\$as_me:17930: $lt_compile\"" >&5)
    (eval "$lt_compile" 2>conftest.err)
    ac_status=$?
    cat conftest.err >&5
-   echo "$as_me:17939: \$? = $ac_status" >&5
+   echo "$as_me:17934: \$? = $ac_status" >&5
    if (exit $ac_status) && test -s "$ac_outfile"; then
      # The compiler can only warn and ignore the option if not recognized
      # So say no if there are warnings other than the usual output.
@@ -18031,11 +18026,11 @@
    -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
    -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
    -e 's:$: $lt_compiler_flag:'`
-   (eval echo "\"\$as_me:18034: $lt_compile\"" >&5)
+   (eval echo "\"\$as_me:18029: $lt_compile\"" >&5)
    (eval "$lt_compile" 2>out/conftest.err)
    ac_status=$?
    cat out/conftest.err >&5
-   echo "$as_me:18038: \$? = $ac_status" >&5
+   echo "$as_me:18033: \$? = $ac_status" >&5
    if (exit $ac_status) && test -s out/conftest2.$ac_objext
    then
      # The compiler can only warn and ignore the option if not recognized
@@ -18083,11 +18078,11 @@
    -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
    -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
    -e 's:$: $lt_compiler_flag:'`
-   (eval echo "\"\$as_me:18086: $lt_compile\"" >&5)
+   (eval echo "\"\$as_me:18081: $lt_compile\"" >&5)
    (eval "$lt_compile" 2>out/conftest.err)
    ac_status=$?
    cat out/conftest.err >&5
-   echo "$as_me:18090: \$? = $ac_status" >&5
+   echo "$as_me:18085: \$? = $ac_status" >&5
    if (exit $ac_status) && test -s out/conftest2.$ac_objext
    then
      # The compiler can only warn and ignore the option if not recognized
@@ -19495,7 +19490,7 @@
   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
   lt_status=$lt_dlunknown
   cat > conftest.$ac_ext <<_LT_EOF
-#line 19498 "configure"
+#line 19493 "configure"
 #include "confdefs.h"
 
 #if HAVE_DLFCN_H