From 3cc82c2493778ec79b430ca219844347c0cfdb30 Mon Sep 17 00:00:00 2001
From: wolf <wolf@0785d39b-7218-0410-832d-ea1e28bc413d>
Date: Tue, 29 Jan 2002 17:24:06 +0000
Subject: [PATCH] Also check for the iosfwd header file.

git-svn-id: https://svn.dealii.org/trunk@5427 0785d39b-7218-0410-832d-ea1e28bc413d
---
 deal.II/aclocal.m4                    |  31 +++-
 deal.II/base/include/base/config.h.in |   9 +-
 deal.II/configure                     | 255 +++++++++++++++-----------
 deal.II/configure.in                  |   1 +
 4 files changed, 188 insertions(+), 108 deletions(-)

diff --git a/deal.II/aclocal.m4 b/deal.II/aclocal.m4
index 1b88825e2d..882e612928 100644
--- a/deal.II/aclocal.m4
+++ b/deal.II/aclocal.m4
@@ -657,7 +657,7 @@ dnl
 dnl Usage: DEAL_II_HAVE_STD_OSTREAM_HEADER
 dnl
 AC_DEFUN(DEAL_II_HAVE_STD_OSTREAM_HEADER, dnl
-  AC_MSG_CHECKING(for ostream header)
+  AC_MSG_CHECKING(for <ostream> header)
   AC_LANG_CPLUSPLUS
   CXXFLAGS="$CXXFLAGSG"
   AC_TRY_COMPILE(
@@ -676,3 +676,32 @@ void f (const std::ostream &out);
       AC_MSG_RESULT(no)
     ])
 )
+
+
+
+dnl Check whether the numeric_limits classes are available
+dnl
+dnl Usage: DEAL_II_HAVE_STD_OSTREAM_HEADER
+dnl
+AC_DEFUN(DEAL_II_HAVE_STD_IOSFWD_HEADER, dnl
+  AC_MSG_CHECKING(for <iosfwd> header)
+  AC_LANG_CPLUSPLUS
+  CXXFLAGS="$CXXFLAGSG"
+  AC_TRY_COMPILE(
+    [
+#include <iosfwd>
+void f (const std::ostream &out);
+void g () { f(cout); };
+    ],
+    [
+    ],
+    [
+      AC_MSG_RESULT(yes)
+      AC_DEFINE(HAVE_STD_IOSFWD_HEADER, 1, 
+                [Define if the compiler provides an <iosfwd> header file])
+    ],
+    [
+      AC_MSG_RESULT(no)
+    ])
+)
+
diff --git a/deal.II/base/include/base/config.h.in b/deal.II/base/include/base/config.h.in
index e7f6a5b6b3..6b04e2b73b 100644
--- a/deal.II/base/include/base/config.h.in
+++ b/deal.II/base/include/base/config.h.in
@@ -57,13 +57,16 @@
                  std::i/ostringstream classes (early gcc versions did not) */
 #undef HAVE_STD_STRINGSTREAM
 
-/* Define if the compiler provides an <ostream> header file */
-#undef HAVE_STD_OSTREAM_HEADER
-
 /* Define if the compiler's library in use provides
                  std::numeric_limits classes in the appropriate header file */
 #undef HAVE_STD_NUMERIC_LIMITS
 
+/* Define if the compiler provides an <ostream> header file */
+#undef HAVE_STD_OSTREAM_HEADER
+
+/* Define if the compiler provides an <iosfwd> header file */
+#undef HAVE_STD_IOSFWD_HEADER
+
 /* Define if you have the rand_r function */
 #undef DEAL_II_DECLARE_LRAND48
 
diff --git a/deal.II/configure b/deal.II/configure
index 01f93f2b49..3f4e91888a 100755
--- a/deal.II/configure
+++ b/deal.II/configure
@@ -60,6 +60,11 @@
 
 
 
+
+
+
+
+
 
 
 
@@ -661,7 +666,7 @@ 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:665: checking host system type" >&5
+echo "configure:670: checking host system type" >&5
 
 host_alias=$host
 case "$host_alias" in
@@ -682,7 +687,7 @@ 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:686: checking target system type" >&5
+echo "configure:691: checking target system type" >&5
 
 target_alias=$target
 case "$target_alias" in
@@ -700,7 +705,7 @@ 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:704: checking build system type" >&5
+echo "configure:709: checking build system type" >&5
 
 build_alias=$build
 case "$build_alias" in
@@ -738,7 +743,7 @@ cross_compiling=$ac_cv_prog_cxx_cross
 # 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:742: checking for $ac_word" >&5
+echo "configure:747: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_CC'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -768,7 +773,7 @@ if test -z "$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:772: checking for $ac_word" >&5
+echo "configure:777: 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
@@ -819,7 +824,7 @@ fi
       # Extract the first word of "cl", so it can be a program name with args.
 set dummy cl; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:823: checking for $ac_word" >&5
+echo "configure:828: 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
@@ -851,7 +856,7 @@ fi
 fi
 
 echo $ac_n "checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works""... $ac_c" 1>&6
-echo "configure:855: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works" >&5
+echo "configure:860: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works" >&5
 
 ac_ext=c
 # CFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
@@ -862,12 +867,12 @@ cross_compiling=$ac_cv_prog_cc_cross
 
 cat > conftest.$ac_ext << EOF
 
-#line 866 "configure"
+#line 871 "configure"
 #include "confdefs.h"
 
 main(){return(0);}
 EOF
-if { (eval echo configure:871: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:876: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   ac_cv_prog_cc_works=yes
   # If we can't run a trivial program, we are probably using a cross compiler.
   if (./conftest; exit) 2>/dev/null; then
@@ -893,12 +898,12 @@ if test $ac_cv_prog_cc_works = no; then
   { echo "configure: error: installation or configuration problem: C compiler cannot create executables." 1>&2; exit 1; }
 fi
 echo $ac_n "checking whether the C compiler ($CC $CFLAGS $LDFLAGS) is a cross-compiler""... $ac_c" 1>&6
-echo "configure:897: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) is a cross-compiler" >&5
+echo "configure:902: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) is a cross-compiler" >&5
 echo "$ac_t""$ac_cv_prog_cc_cross" 1>&6
 cross_compiling=$ac_cv_prog_cc_cross
 
 echo $ac_n "checking whether we are using GNU C""... $ac_c" 1>&6
-echo "configure:902: checking whether we are using GNU C" >&5
+echo "configure:907: checking whether we are using GNU C" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_gcc'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -907,7 +912,7 @@ else
   yes;
 #endif
 EOF
-if { ac_try='${CC-cc} -E conftest.c'; { (eval echo configure:911: \"$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:916: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } | egrep yes >/dev/null 2>&1; then
   ac_cv_prog_gcc=yes
 else
   ac_cv_prog_gcc=no
@@ -926,7 +931,7 @@ ac_test_CFLAGS="${CFLAGS+set}"
 ac_save_CFLAGS="$CFLAGS"
 CFLAGS=
 echo $ac_n "checking whether ${CC-cc} accepts -g""... $ac_c" 1>&6
-echo "configure:930: checking whether ${CC-cc} accepts -g" >&5
+echo "configure:935: checking whether ${CC-cc} accepts -g" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_cc_g'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -960,7 +965,7 @@ fi
 # Extract the first word of "$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:964: checking for $ac_word" >&5
+echo "configure:969: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_path_CC'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1001,7 +1006,7 @@ do
 # Extract the first word of "$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:1005: checking for $ac_word" >&5
+echo "configure:1010: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_CXX'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1033,7 +1038,7 @@ test -n "$CXX" || CXX="gcc"
 
 
 echo $ac_n "checking whether the C++ compiler ($CXX $CXXFLAGS $LDFLAGS) works""... $ac_c" 1>&6
-echo "configure:1037: checking whether the C++ compiler ($CXX $CXXFLAGS $LDFLAGS) works" >&5
+echo "configure:1042: checking whether the C++ compiler ($CXX $CXXFLAGS $LDFLAGS) works" >&5
 
 ac_ext=C
 # CXXFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
@@ -1044,12 +1049,12 @@ cross_compiling=$ac_cv_prog_cxx_cross
 
 cat > conftest.$ac_ext << EOF
 
-#line 1048 "configure"
+#line 1053 "configure"
 #include "confdefs.h"
 
 int main(){return(0);}
 EOF
-if { (eval echo configure:1053: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:1058: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   ac_cv_prog_cxx_works=yes
   # If we can't run a trivial program, we are probably using a cross compiler.
   if (./conftest; exit) 2>/dev/null; then
@@ -1075,12 +1080,12 @@ if test $ac_cv_prog_cxx_works = no; then
   { echo "configure: error: installation or configuration problem: C++ compiler cannot create executables." 1>&2; exit 1; }
 fi
 echo $ac_n "checking whether the C++ compiler ($CXX $CXXFLAGS $LDFLAGS) is a cross-compiler""... $ac_c" 1>&6
-echo "configure:1079: checking whether the C++ compiler ($CXX $CXXFLAGS $LDFLAGS) is a cross-compiler" >&5
+echo "configure:1084: checking whether the C++ compiler ($CXX $CXXFLAGS $LDFLAGS) is a cross-compiler" >&5
 echo "$ac_t""$ac_cv_prog_cxx_cross" 1>&6
 cross_compiling=$ac_cv_prog_cxx_cross
 
 echo $ac_n "checking whether we are using GNU C++""... $ac_c" 1>&6
-echo "configure:1084: checking whether we are using GNU C++" >&5
+echo "configure:1089: checking whether we are using GNU C++" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_gxx'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1089,7 +1094,7 @@ else
   yes;
 #endif
 EOF
-if { ac_try='${CXX-g++} -E conftest.C'; { (eval echo configure:1093: \"$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:1098: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } | egrep yes >/dev/null 2>&1; then
   ac_cv_prog_gxx=yes
 else
   ac_cv_prog_gxx=no
@@ -1108,7 +1113,7 @@ ac_test_CXXFLAGS="${CXXFLAGS+set}"
 ac_save_CXXFLAGS="$CXXFLAGS"
 CXXFLAGS=
 echo $ac_n "checking whether ${CXX-g++} accepts -g""... $ac_c" 1>&6
-echo "configure:1112: checking whether ${CXX-g++} accepts -g" >&5
+echo "configure:1117: checking whether ${CXX-g++} accepts -g" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_cxx_g'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1143,7 +1148,7 @@ CXXFLAGS="$OLDCXXFLAGS"
 # Extract the first word of "$CXX", so it can be a program name with args.
 set dummy $CXX; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:1147: checking for $ac_word" >&5
+echo "configure:1152: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_path_CXX'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1337,9 +1342,9 @@ cross_compiling=$ac_cv_prog_cxx_cross
 
   CXXFLAGS="$CXXFLAGSG -Werror"
   echo $ac_n "checking for std::advance warning""... $ac_c" 1>&6
-echo "configure:1341: checking for std::advance warning" >&5
+echo "configure:1346: checking for std::advance warning" >&5
   cat > conftest.$ac_ext <<EOF
-#line 1343 "configure"
+#line 1348 "configure"
 #include "confdefs.h"
 
 #include <map>
@@ -1353,7 +1358,7 @@ int main() {
 	
 ; return 0; }
 EOF
-if { (eval echo configure:1357: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:1362: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   
 	  	  echo "$ac_t""no" 1>&6
@@ -1436,12 +1441,12 @@ fi
 
 if test "$GXX" = yes ; then
   echo $ac_n "checking whether -ggdb works for long symbols""... $ac_c" 1>&6
-echo "configure:1440: checking whether -ggdb works for long symbols" >&5
+echo "configure:1445: checking whether -ggdb works for long symbols" >&5
   case "$target" in
           alpha*-osf*)
       	  CXXFLAGS="-ggdb $CXXFLAGSG"
  	  cat > conftest.$ac_ext <<EOF
-#line 1445 "configure"
+#line 1450 "configure"
 #include "confdefs.h"
 
 #include <string>
@@ -1462,7 +1467,7 @@ int main() {
 	    
 ; return 0; }
 EOF
-if { (eval echo configure:1466: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:1471: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   
               CXXFLAGSG="-ggdb $CXXFLAGSG"
@@ -1553,7 +1558,7 @@ if test "$enablemultithreading" = yes ; then
   if test "$GXX" = yes ; then
     
   echo $ac_n "checking for platform specific thread flags""... $ac_c" 1>&6
-echo "configure:1557: checking for platform specific thread flags" >&5
+echo "configure:1562: checking for platform specific thread flags" >&5
   
   for i in threads mt pthread pthreads mthreads Kthread kthread invalid_last_entry; do
     CXXFLAGS="$CXXFLAGSG -$i"
@@ -1589,7 +1594,7 @@ echo "configure:1557: checking for platform specific thread flags" >&5
 
     
   echo $ac_n "checking for platform specific multi-threading defines""... $ac_c" 1>&6
-echo "configure:1593: checking for platform specific multi-threading defines" >&5
+echo "configure:1598: checking for platform specific multi-threading defines" >&5
   ac_ext=C
 # CXXFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
 ac_cpp='$CXXCPP $CPPFLAGS'
@@ -1598,7 +1603,7 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
   cat > conftest.$ac_ext <<EOF
-#line 1602 "configure"
+#line 1607 "configure"
 #include "confdefs.h"
 
 #if !defined (_REENTRANT) && !defined (_THREAD_SAFE)
@@ -1612,7 +1617,7 @@ int main() {
    
 ; return 0; }
 EOF
-if { (eval echo configure:1616: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:1621: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   
 	echo "$ac_t"""not necessary"" 1>&6
@@ -1657,7 +1662,7 @@ fi
 
 if test "$withmultithreading" != no ; then
   echo $ac_n "checking for ACE""... $ac_c" 1>&6
-echo "configure:1661: checking for ACE" >&5
+echo "configure:1666: checking for ACE" >&5
   if test -d "$withmultithreading" ; then
     echo "$ac_t""found" 1>&6
   else
@@ -1678,7 +1683,7 @@ fi
 if test "$enablemultithreading" = yes ; then
   if test "$GXX" = yes ; then
       echo $ac_n "checking whether compilation with ACE disallows flags""... $ac_c" 1>&6
-echo "configure:1682: checking whether compilation with ACE disallows flags" >&5
+echo "configure:1687: checking whether compilation with ACE disallows flags" >&5
   ac_ext=C
 # CXXFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
 ac_cpp='$CXXCPP $CPPFLAGS'
@@ -1688,7 +1693,7 @@ cross_compiling=$ac_cv_prog_cxx_cross
 
   CXXFLAGS="-ansi -I$withmultithreading"
   cat > conftest.$ac_ext <<EOF
-#line 1692 "configure"
+#line 1697 "configure"
 #include "confdefs.h"
 
 #  include <ace/Thread_Manager.h>
@@ -1698,7 +1703,7 @@ int main() {
 
 ; return 0; }
 EOF
-if { (eval echo configure:1702: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:1707: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   
       deal_II_ace_remove_ansi="no"
@@ -1714,7 +1719,7 @@ fi
 rm -f conftest*
   CXXFLAGS="-pedantic -Werror -I$withmultithreading"
   cat > conftest.$ac_ext <<EOF
-#line 1718 "configure"
+#line 1723 "configure"
 #include "confdefs.h"
 
 #  include <ace/Thread_Manager.h>
@@ -1724,7 +1729,7 @@ int main() {
 
 ; return 0; }
 EOF
-if { (eval echo configure:1728: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:1733: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   
       deal_II_ace_remove_pedantic="no"
@@ -1811,7 +1816,7 @@ done
 
 
   echo $ac_n "checking whether AssertThrow works with debug flags""... $ac_c" 1>&6
-echo "configure:1815: checking whether AssertThrow works with debug flags" >&5
+echo "configure:1820: checking whether AssertThrow works with debug flags" >&5
   ac_ext=C
 # CXXFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
 ac_cpp='$CXXCPP $CPPFLAGS'
@@ -1821,7 +1826,7 @@ cross_compiling=$ac_cv_prog_cxx_cross
 
   CXXFLAGS=$CXXFLAGSG
   cat > conftest.$ac_ext <<EOF
-#line 1825 "configure"
+#line 1830 "configure"
 #include "confdefs.h"
 
 #include <exception>
@@ -1900,7 +1905,7 @@ int main() {
     
 ; return 0; }
 EOF
-if { (eval echo configure:1904: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:1909: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   
 	echo "$ac_t"""yes"" 1>&6
@@ -1917,7 +1922,7 @@ fi
 rm -f conftest*
 
   echo $ac_n "checking whether AssertThrow works with optimized flags""... $ac_c" 1>&6
-echo "configure:1921: checking whether AssertThrow works with optimized flags" >&5
+echo "configure:1926: checking whether AssertThrow works with optimized flags" >&5
   ac_ext=C
 # CXXFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
 ac_cpp='$CXXCPP $CPPFLAGS'
@@ -1927,7 +1932,7 @@ cross_compiling=$ac_cv_prog_cxx_cross
 
   CXXFLAGS=$CXXFLAGSO
   cat > conftest.$ac_ext <<EOF
-#line 1931 "configure"
+#line 1936 "configure"
 #include "confdefs.h"
 
 #include <exception>
@@ -2006,7 +2011,7 @@ int main() {
     
 ; return 0; }
 EOF
-if { (eval echo configure:2010: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:2015: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   
 	echo "$ac_t"""yes"" 1>&6
@@ -2024,7 +2029,7 @@ rm -f conftest*
 
 
   echo $ac_n "checking for std::vector bug""... $ac_c" 1>&6
-echo "configure:2028: checking for std::vector bug" >&5
+echo "configure:2033: checking for std::vector bug" >&5
   ac_ext=C
 # CXXFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
 ac_cpp='$CXXCPP $CPPFLAGS'
@@ -2034,7 +2039,7 @@ cross_compiling=$ac_cv_prog_cxx_cross
 
   CXXFLAGS="$CXXFLAGSG"
   cat > conftest.$ac_ext <<EOF
-#line 2038 "configure"
+#line 2043 "configure"
 #include "confdefs.h"
 
       namespace std {
@@ -2054,7 +2059,7 @@ int main() {
 
 ; return 0; }
 EOF
-if { (eval echo configure:2058: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:2063: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   
       echo "$ac_t""no" 1>&6
@@ -2075,7 +2080,7 @@ rm -f conftest*
 
 
   echo $ac_n "checking for std::iterator class""... $ac_c" 1>&6
-echo "configure:2079: checking for std::iterator class" >&5
+echo "configure:2084: checking for std::iterator class" >&5
   ac_ext=C
 # CXXFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
 ac_cpp='$CXXCPP $CPPFLAGS'
@@ -2085,7 +2090,7 @@ cross_compiling=$ac_cv_prog_cxx_cross
 
   CXXFLAGS="$CXXFLAGSG"
   cat > conftest.$ac_ext <<EOF
-#line 2089 "configure"
+#line 2094 "configure"
 #include "confdefs.h"
 
 #include <iterator>
@@ -2096,7 +2101,7 @@ int main() {
 
 ; return 0; }
 EOF
-if { (eval echo configure:2100: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:2105: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   
       echo "$ac_t""yes" 1>&6
@@ -2116,7 +2121,7 @@ fi
 rm -f conftest*
 
   echo $ac_n "checking for std::i/ostringstream classes""... $ac_c" 1>&6
-echo "configure:2120: checking for std::i/ostringstream classes" >&5
+echo "configure:2125: checking for std::i/ostringstream classes" >&5
   ac_ext=C
 # CXXFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
 ac_cpp='$CXXCPP $CPPFLAGS'
@@ -2126,7 +2131,7 @@ cross_compiling=$ac_cv_prog_cxx_cross
 
   CXXFLAGS="$CXXFLAGSG"
   cat > conftest.$ac_ext <<EOF
-#line 2130 "configure"
+#line 2135 "configure"
 #include "confdefs.h"
 
 #include <sstream>
@@ -2138,7 +2143,7 @@ int main() {
     
 ; return 0; }
 EOF
-if { (eval echo configure:2142: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:2147: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   
       echo "$ac_t""yes" 1>&6
@@ -2158,7 +2163,7 @@ fi
 rm -f conftest*
 
   echo $ac_n "checking for std::numeric_limits classes""... $ac_c" 1>&6
-echo "configure:2162: checking for std::numeric_limits classes" >&5
+echo "configure:2167: checking for std::numeric_limits classes" >&5
   ac_ext=C
 # CXXFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
 ac_cpp='$CXXCPP $CPPFLAGS'
@@ -2168,7 +2173,7 @@ cross_compiling=$ac_cv_prog_cxx_cross
 
   CXXFLAGS="$CXXFLAGSG"
   cat > conftest.$ac_ext <<EOF
-#line 2172 "configure"
+#line 2177 "configure"
 #include "confdefs.h"
 
 #include <limits>
@@ -2179,7 +2184,7 @@ int main() {
     
 ; return 0; }
 EOF
-if { (eval echo configure:2183: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:2188: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   
       echo "$ac_t""yes" 1>&6
@@ -2198,8 +2203,8 @@ else
 fi
 rm -f conftest*
 
-  echo $ac_n "checking for ostream header""... $ac_c" 1>&6
-echo "configure:2203: checking for ostream header" >&5
+  echo $ac_n "checking for <ostream> header""... $ac_c" 1>&6
+echo "configure:2208: checking for <ostream> header" >&5
   ac_ext=C
 # CXXFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
 ac_cpp='$CXXCPP $CPPFLAGS'
@@ -2209,7 +2214,7 @@ cross_compiling=$ac_cv_prog_cxx_cross
 
   CXXFLAGS="$CXXFLAGSG"
   cat > conftest.$ac_ext <<EOF
-#line 2213 "configure"
+#line 2218 "configure"
 #include "confdefs.h"
 
 #include <ostream>
@@ -2220,7 +2225,7 @@ int main() {
     
 ; return 0; }
 EOF
-if { (eval echo configure:2224: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:2229: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   
       echo "$ac_t""yes" 1>&6
@@ -2229,6 +2234,48 @@ if { (eval echo configure:2224: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5;
 EOF
 
     
+else
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+  rm -rf conftest*
+  
+      echo "$ac_t""no" 1>&6
+    
+fi
+rm -f conftest*
+
+  echo $ac_n "checking for <iosfwd> header""... $ac_c" 1>&6
+echo "configure:2249: checking for <iosfwd> header" >&5
+  ac_ext=C
+# CXXFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
+ac_cpp='$CXXCPP $CPPFLAGS'
+ac_compile='${CXX-g++} -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext 1>&5'
+ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS 1>&5'
+cross_compiling=$ac_cv_prog_cxx_cross
+
+  CXXFLAGS="$CXXFLAGSG"
+  cat > conftest.$ac_ext <<EOF
+#line 2259 "configure"
+#include "confdefs.h"
+
+#include <iosfwd>
+void f (const std::ostream &out);
+void g () { f(cout); };
+    
+int main() {
+
+    
+; return 0; }
+EOF
+if { (eval echo configure:2271: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+  rm -rf conftest*
+  
+      echo "$ac_t""yes" 1>&6
+      cat >> confdefs.h <<\EOF
+#define HAVE_STD_IOSFWD_HEADER 1
+EOF
+
+    
 else
   echo "configure: failed program was:" >&5
   cat conftest.$ac_ext >&5
@@ -2244,7 +2291,7 @@ rm -f conftest*
 
 
   echo $ac_n "checking whether lrand48 needs to be declared with -ansi""... $ac_c" 1>&6
-echo "configure:2248: checking whether lrand48 needs to be declared with -ansi" >&5
+echo "configure:2295: checking whether lrand48 needs to be declared with -ansi" >&5
   ac_ext=C
 # CXXFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
 ac_cpp='$CXXCPP $CPPFLAGS'
@@ -2254,7 +2301,7 @@ cross_compiling=$ac_cv_prog_cxx_cross
 
   CXXFLAGS="$CXXFLAGSG"
   cat > conftest.$ac_ext <<EOF
-#line 2258 "configure"
+#line 2305 "configure"
 #include "confdefs.h"
 
 #include <vector>
@@ -2270,7 +2317,7 @@ int main() {
 
 ; return 0; }
 EOF
-if { (eval echo configure:2274: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:2321: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   
       echo "$ac_t""no" 1>&6
@@ -2291,7 +2338,7 @@ rm -f conftest*
 
 
   echo $ac_n "checking whether getrusage is properly declared""... $ac_c" 1>&6
-echo "configure:2295: checking whether getrusage is properly declared" >&5
+echo "configure:2342: checking whether getrusage is properly declared" >&5
   ac_ext=C
 # CXXFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
 ac_cpp='$CXXCPP $CPPFLAGS'
@@ -2300,7 +2347,7 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
   cat > conftest.$ac_ext <<EOF
-#line 2304 "configure"
+#line 2351 "configure"
 #include "confdefs.h"
 
 #include <sys/resource.h>
@@ -2312,7 +2359,7 @@ int main() {
     
 ; return 0; }
 EOF
-if { (eval echo configure:2316: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:2363: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   
 	echo "$ac_t"""yes"" 1>&6
@@ -2330,7 +2377,7 @@ fi
 rm -f conftest*
 
     echo $ac_n "checking whether isnan is declared with debug flags""... $ac_c" 1>&6
-echo "configure:2334: checking whether isnan is declared with debug flags" >&5
+echo "configure:2381: checking whether isnan is declared with debug flags" >&5
   ac_ext=C
 # CXXFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
 ac_cpp='$CXXCPP $CPPFLAGS'
@@ -2341,7 +2388,7 @@ cross_compiling=$ac_cv_prog_cxx_cross
   CXXFLAGS=$CXXFLAGSG
   deal_II_isnan_flag=""
   cat > conftest.$ac_ext <<EOF
-#line 2345 "configure"
+#line 2392 "configure"
 #include "confdefs.h"
 
 #include <cmath>
@@ -2353,7 +2400,7 @@ int main() {
     
 ; return 0; }
 EOF
-if { (eval echo configure:2357: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:2404: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   
 	echo "$ac_t"""yes"" 1>&6
@@ -2369,7 +2416,7 @@ rm -f conftest*
 
   if test "x$deal_II_isnan_flag" = "x" ; then
             cat > conftest.$ac_ext <<EOF
-#line 2373 "configure"
+#line 2420 "configure"
 #include "confdefs.h"
 
 #include <cmath>
@@ -2381,7 +2428,7 @@ int main() {
       
 ; return 0; }
 EOF
-if { (eval echo configure:2385: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:2432: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   
 	  echo "$ac_t"""yes"" 1>&6
@@ -2401,7 +2448,7 @@ rm -f conftest*
     for testflag in -D_ISOC99_SOURCE -D__EXTENSIONS__ ; do 
       CXXFLAGS="$CXXFLAGSG $testflag"
       cat > conftest.$ac_ext <<EOF
-#line 2405 "configure"
+#line 2452 "configure"
 #include "confdefs.h"
 
 #include <cmath>
@@ -2413,7 +2460,7 @@ int main() {
 	
 ; return 0; }
 EOF
-if { (eval echo configure:2417: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:2464: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   
 	  	  	  deal_II_isnan_flag="-DHAVE_ISNAN $testflag"
@@ -2426,7 +2473,7 @@ fi
 rm -f conftest*
 
                         cat > conftest.$ac_ext <<EOF
-#line 2430 "configure"
+#line 2477 "configure"
 #include "confdefs.h"
 
 #include <cmath>
@@ -2438,7 +2485,7 @@ int main() {
 	
 ; return 0; }
 EOF
-if { (eval echo configure:2442: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:2489: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   
 	  	  	  deal_II_isnan_flag="-DHAVE_UNDERSCORE_ISNAN $testflag"
@@ -2460,7 +2507,7 @@ rm -f conftest*
   fi
 
     echo $ac_n "checking whether isnan is declared with optimized flags""... $ac_c" 1>&6
-echo "configure:2464: checking whether isnan is declared with optimized flags" >&5
+echo "configure:2511: checking whether isnan is declared with optimized flags" >&5
   ac_ext=C
 # CXXFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
 ac_cpp='$CXXCPP $CPPFLAGS'
@@ -2471,7 +2518,7 @@ cross_compiling=$ac_cv_prog_cxx_cross
   CXXFLAGS=$CXXFLAGSO
   deal_II_isnan_flag=""
   cat > conftest.$ac_ext <<EOF
-#line 2475 "configure"
+#line 2522 "configure"
 #include "confdefs.h"
 
 #include <cmath>
@@ -2483,7 +2530,7 @@ int main() {
     
 ; return 0; }
 EOF
-if { (eval echo configure:2487: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:2534: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   
 	echo "$ac_t"""yes"" 1>&6
@@ -2499,7 +2546,7 @@ rm -f conftest*
 
   if test "x$deal_II_isnan_flag" = "x" ; then
             cat > conftest.$ac_ext <<EOF
-#line 2503 "configure"
+#line 2550 "configure"
 #include "confdefs.h"
 
 #include <cmath>
@@ -2511,7 +2558,7 @@ int main() {
       
 ; return 0; }
 EOF
-if { (eval echo configure:2515: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:2562: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   
 	  echo "$ac_t"""yes"" 1>&6
@@ -2531,7 +2578,7 @@ rm -f conftest*
     for testflag in -D_ISOC99_SOURCE -D__EXTENSIONS__ ; do 
       CXXFLAGS="$CXXFLAGSO $testflag"
       cat > conftest.$ac_ext <<EOF
-#line 2535 "configure"
+#line 2582 "configure"
 #include "confdefs.h"
 
 #include <cmath>
@@ -2543,7 +2590,7 @@ int main() {
 	
 ; return 0; }
 EOF
-if { (eval echo configure:2547: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:2594: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   
 	  	  	  deal_II_isnan_flag="-DHAVE_ISNAN $testflag"
@@ -2556,7 +2603,7 @@ fi
 rm -f conftest*
 
                         cat > conftest.$ac_ext <<EOF
-#line 2560 "configure"
+#line 2607 "configure"
 #include "confdefs.h"
 
 #include <cmath>
@@ -2568,7 +2615,7 @@ int main() {
 	
 ; return 0; }
 EOF
-if { (eval echo configure:2572: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:2619: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   
 	  	  	  deal_II_isnan_flag="-DHAVE_UNDERSCORE_ISNAN $testflag"
@@ -2599,9 +2646,9 @@ cross_compiling=$ac_cv_prog_cxx_cross
 
   CXXFLAGS=$CXXFLAGSG
   echo $ac_n "checking for rand_r""... $ac_c" 1>&6
-echo "configure:2603: checking for rand_r" >&5
+echo "configure:2650: checking for rand_r" >&5
   cat > conftest.$ac_ext <<EOF
-#line 2605 "configure"
+#line 2652 "configure"
 #include "confdefs.h"
 
 #include <cstdlib>
@@ -2613,7 +2660,7 @@ int i=rand_r(&i);
 	
 ; return 0; }
 EOF
-if { (eval echo configure:2617: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:2664: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   
 	  echo "$ac_t""found" 1>&6
@@ -2636,12 +2683,12 @@ rm -f conftest*
 for ac_func in gethostname
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:2640: checking for $ac_func" >&5
+echo "configure:2687: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2645 "configure"
+#line 2692 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -2667,7 +2714,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:2671: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2718: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -2696,7 +2743,7 @@ done
 # Extract the first word of "f77", so it can be a program name with args.
 set dummy f77; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:2700: checking for $ac_word" >&5
+echo "configure:2747: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_path_F77'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2732,7 +2779,7 @@ if test "x$F77" = "x" ; then
         # Extract the first word of "g77", so it can be a program name with args.
 set dummy g77; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:2736: checking for $ac_word" >&5
+echo "configure:2783: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_path_F77'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2883,7 +2930,7 @@ fi
 # Extract the first word of "perl", so it can be a program name with args.
 set dummy perl; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:2887: checking for $ac_word" >&5
+echo "configure:2934: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_path_PERL'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2921,7 +2968,7 @@ fi
 
 
 echo $ac_n "checking for HSL subroutines""... $ac_c" 1>&6
-echo "configure:2925: checking for HSL subroutines" >&5
+echo "configure:2972: checking for HSL subroutines" >&5
 hsl_subroutines=""
 if test -r contrib/hsl/source/ma27.f ; then
   hsl_subroutines="$hsl_subroutines MA27"
@@ -2986,7 +3033,7 @@ else
 fi
 
 echo $ac_n "checking for kdoc""... $ac_c" 1>&6
-echo "configure:2990: checking for kdoc" >&5
+echo "configure:3037: checking for kdoc" >&5
 if test "$kdocdir" != ${DEAL2_DIR}/contrib/kdoc/bin ; then
   if test -r $kdocdir/kdoc ; then
     echo "$ac_t""found" 1>&6
@@ -3022,7 +3069,7 @@ if test "$docxx" = to-be-determined ; then
   # Extract the first word of ""doc++"", so it can be a program name with args.
 set dummy "doc++"; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:3026: checking for $ac_word" >&5
+echo "configure:3073: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_path_docxx'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -3056,7 +3103,7 @@ fi
 
 else
   echo $ac_n "checking for doc++""... $ac_c" 1>&6
-echo "configure:3060: checking for doc++" >&5
+echo "configure:3107: checking for doc++" >&5
   if test -x "$docxx" ; then
     echo "$ac_t""yes" 1>&6
   else
@@ -3079,16 +3126,16 @@ cross_compiling=$ac_cv_prog_cxx_cross
 
 CXXFLAGS="$CXXFLAGSG"
 echo $ac_n "checking for consistency of CXXFLAGSG flags""... $ac_c" 1>&6
-echo "configure:3083: checking for consistency of CXXFLAGSG flags" >&5
+echo "configure:3130: checking for consistency of CXXFLAGSG flags" >&5
 cat > conftest.$ac_ext <<EOF
-#line 3085 "configure"
+#line 3132 "configure"
 #include "confdefs.h"
 
 int main() {
 ;
 ; return 0; }
 EOF
-if { (eval echo configure:3092: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:3139: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   
     echo "$ac_t""yes" 1>&6
@@ -3106,16 +3153,16 @@ rm -f conftest*
 
 CXXFLAGS="$CXXFLAGSO"
 echo $ac_n "checking for consistency of CXXFLAGSO flags""... $ac_c" 1>&6
-echo "configure:3110: checking for consistency of CXXFLAGSO flags" >&5
+echo "configure:3157: checking for consistency of CXXFLAGSO flags" >&5
 cat > conftest.$ac_ext <<EOF
-#line 3112 "configure"
+#line 3159 "configure"
 #include "confdefs.h"
 
 int main() {
 ;
 ; return 0; }
 EOF
-if { (eval echo configure:3119: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:3166: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   
     echo "$ac_t""yes" 1>&6
diff --git a/deal.II/configure.in b/deal.II/configure.in
index f4c1432ca0..d3579fbe62 100644
--- a/deal.II/configure.in
+++ b/deal.II/configure.in
@@ -659,6 +659,7 @@ DEAL_II_HAVE_STD_ITERATOR
 DEAL_II_HAVE_STD_STRINGSTREAM
 DEAL_II_HAVE_STD_NUMERIC_LIMITS
 DEAL_II_HAVE_STD_OSTREAM_HEADER
+DEAL_II_HAVE_STD_IOSFWD_HEADER
 
 
 
-- 
2.39.5