c++ compiler fixes

when C++ compiler is disabled by user, do not allow to
compile packages , which require a C++ compiler.
Older libtool unnecessary checks for c++ tools, so
regenerate autotool stuff.

1 files changed, 601 insertions, 0 deletions

diff --git a/package/expat/patches/patch-configure b/package/expat/patches/patch-configure
new file mode 100644
index 000000000..36c6d33b4
--- /dev/null
+++ b/package/expat/patches/patch-configure
@@ -0,0 +1,601 @@
+--- expat-2.0.1.orig/configure	2007-06-05 20:19:38.000000000 +0200
++++ expat-2.0.1/configure	2011-02-15 18:22:45.000000000 +0100
+@@ -4608,598 +4608,6 @@ fi
+ 
+ done
+ 
+-ac_ext=cc
+-ac_cpp='$CXXCPP $CPPFLAGS'
+-ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+-ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+-ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
+-if test -n "$ac_tool_prefix"; then
+-  for ac_prog in $CCC g++ c++ gpp aCC CC cxx cc++ cl FCC KCC RCC xlC_r xlC
+-  do
+-    # Extract the first word of "$ac_tool_prefix$ac_prog", so it can be a program name with args.
+-set dummy $ac_tool_prefix$ac_prog; ac_word=$2
+-echo "$as_me:$LINENO: checking for $ac_word" >&5
+-echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6
+-if test "${ac_cv_prog_CXX+set}" = set; then
+-  echo $ECHO_N "(cached) $ECHO_C" >&6
+-else
+-  if test -n "$CXX"; then
+-  ac_cv_prog_CXX="$CXX" # Let the user override the test.
+-else
+-as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+-for as_dir in $PATH
+-do
+-  IFS=$as_save_IFS
+-  test -z "$as_dir" && as_dir=.
+-  for ac_exec_ext in '' $ac_executable_extensions; do
+-  if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+-    ac_cv_prog_CXX="$ac_tool_prefix$ac_prog"
+-    echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+-    break 2
+-  fi
+-done
+-done
+-
+-fi
+-fi
+-CXX=$ac_cv_prog_CXX
+-if test -n "$CXX"; then
+-  echo "$as_me:$LINENO: result: $CXX" >&5
+-echo "${ECHO_T}$CXX" >&6
+-else
+-  echo "$as_me:$LINENO: result: no" >&5
+-echo "${ECHO_T}no" >&6
+-fi
+-
+-    test -n "$CXX" && break
+-  done
+-fi
+-if test -z "$CXX"; then
+-  ac_ct_CXX=$CXX
+-  for ac_prog in $CCC g++ c++ gpp aCC CC cxx cc++ cl FCC KCC RCC xlC_r xlC
+-do
+-  # Extract the first word of "$ac_prog", so it can be a program name with args.
+-set dummy $ac_prog; ac_word=$2
+-echo "$as_me:$LINENO: checking for $ac_word" >&5
+-echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6
+-if test "${ac_cv_prog_ac_ct_CXX+set}" = set; then
+-  echo $ECHO_N "(cached) $ECHO_C" >&6
+-else
+-  if test -n "$ac_ct_CXX"; then
+-  ac_cv_prog_ac_ct_CXX="$ac_ct_CXX" # Let the user override the test.
+-else
+-as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+-for as_dir in $PATH
+-do
+-  IFS=$as_save_IFS
+-  test -z "$as_dir" && as_dir=.
+-  for ac_exec_ext in '' $ac_executable_extensions; do
+-  if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+-    ac_cv_prog_ac_ct_CXX="$ac_prog"
+-    echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+-    break 2
+-  fi
+-done
+-done
+-
+-fi
+-fi
+-ac_ct_CXX=$ac_cv_prog_ac_ct_CXX
+-if test -n "$ac_ct_CXX"; then
+-  echo "$as_me:$LINENO: result: $ac_ct_CXX" >&5
+-echo "${ECHO_T}$ac_ct_CXX" >&6
+-else
+-  echo "$as_me:$LINENO: result: no" >&5
+-echo "${ECHO_T}no" >&6
+-fi
+-
+-  test -n "$ac_ct_CXX" && break
+-done
+-test -n "$ac_ct_CXX" || ac_ct_CXX="g++"
+-
+-  CXX=$ac_ct_CXX
+-fi
+-
+-
+-# Provide some information about the compiler.
+-echo "$as_me:$LINENO:" \
+-     "checking for C++ compiler version" >&5
+-ac_compiler=`set X $ac_compile; echo $2`
+-{ (eval echo "$as_me:$LINENO: \"$ac_compiler --version </dev/null >&5\"") >&5
+-  (eval $ac_compiler --version </dev/null >&5) 2>&5
+-  ac_status=$?
+-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+-  (exit $ac_status); }
+-{ (eval echo "$as_me:$LINENO: \"$ac_compiler -v </dev/null >&5\"") >&5
+-  (eval $ac_compiler -v </dev/null >&5) 2>&5
+-  ac_status=$?
+-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+-  (exit $ac_status); }
+-{ (eval echo "$as_me:$LINENO: \"$ac_compiler -V </dev/null >&5\"") >&5
+-  (eval $ac_compiler -V </dev/null >&5) 2>&5
+-  ac_status=$?
+-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+-  (exit $ac_status); }
+-
+-echo "$as_me:$LINENO: checking whether we are using the GNU C++ compiler" >&5
+-echo $ECHO_N "checking whether we are using the GNU C++ compiler... $ECHO_C" >&6
+-if test "${ac_cv_cxx_compiler_gnu+set}" = set; then
+-  echo $ECHO_N "(cached) $ECHO_C" >&6
+-else
+-  cat >conftest.$ac_ext <<_ACEOF
+-/* confdefs.h.  */
+-_ACEOF
+-cat confdefs.h >>conftest.$ac_ext
+-cat >>conftest.$ac_ext <<_ACEOF
+-/* end confdefs.h.  */
+-
+-int
+-main ()
+-{
+-#ifndef __GNUC__
+-       choke me
+-#endif
+-
+-  ;
+-  return 0;
+-}
+-_ACEOF
+-rm -f conftest.$ac_objext
+-if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+-  (eval $ac_compile) 2>conftest.er1
+-  ac_status=$?
+-  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_cxx_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_objext'
+-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+-  (eval $ac_try) 2>&5
+-  ac_status=$?
+-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+-  (exit $ac_status); }; }; then
+-  ac_compiler_gnu=yes
+-else
+-  echo "$as_me: failed program was:" >&5
+-sed 's/^/| /' conftest.$ac_ext >&5
+-
+-ac_compiler_gnu=no
+-fi
+-rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
+-ac_cv_cxx_compiler_gnu=$ac_compiler_gnu
+-
+-fi
+-echo "$as_me:$LINENO: result: $ac_cv_cxx_compiler_gnu" >&5
+-echo "${ECHO_T}$ac_cv_cxx_compiler_gnu" >&6
+-GXX=`test $ac_compiler_gnu = yes && echo yes`
+-ac_test_CXXFLAGS=${CXXFLAGS+set}
+-ac_save_CXXFLAGS=$CXXFLAGS
+-CXXFLAGS="-g"
+-echo "$as_me:$LINENO: checking whether $CXX accepts -g" >&5
+-echo $ECHO_N "checking whether $CXX accepts -g... $ECHO_C" >&6
+-if test "${ac_cv_prog_cxx_g+set}" = set; then
+-  echo $ECHO_N "(cached) $ECHO_C" >&6
+-else
+-  cat >conftest.$ac_ext <<_ACEOF
+-/* confdefs.h.  */
+-_ACEOF
+-cat confdefs.h >>conftest.$ac_ext
+-cat >>conftest.$ac_ext <<_ACEOF
+-/* end confdefs.h.  */
+-
+-int
+-main ()
+-{
+-
+-  ;
+-  return 0;
+-}
+-_ACEOF
+-rm -f conftest.$ac_objext
+-if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+-  (eval $ac_compile) 2>conftest.er1
+-  ac_status=$?
+-  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_cxx_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_objext'
+-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+-  (eval $ac_try) 2>&5
+-  ac_status=$?
+-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+-  (exit $ac_status); }; }; then
+-  ac_cv_prog_cxx_g=yes
+-else
+-  echo "$as_me: failed program was:" >&5
+-sed 's/^/| /' conftest.$ac_ext >&5
+-
+-ac_cv_prog_cxx_g=no
+-fi
+-rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
+-fi
+-echo "$as_me:$LINENO: result: $ac_cv_prog_cxx_g" >&5
+-echo "${ECHO_T}$ac_cv_prog_cxx_g" >&6
+-if test "$ac_test_CXXFLAGS" = set; then
+-  CXXFLAGS=$ac_save_CXXFLAGS
+-elif test $ac_cv_prog_cxx_g = yes; then
+-  if test "$GXX" = yes; then
+-    CXXFLAGS="-g -O2"
+-  else
+-    CXXFLAGS="-g"
+-  fi
+-else
+-  if test "$GXX" = yes; then
+-    CXXFLAGS="-O2"
+-  else
+-    CXXFLAGS=
+-  fi
+-fi
+-for ac_declaration in \
+-   '' \
+-   'extern "C" void std::exit (int) throw (); using std::exit;' \
+-   'extern "C" void std::exit (int); using std::exit;' \
+-   'extern "C" void exit (int) throw ();' \
+-   'extern "C" void exit (int);' \
+-   'void exit (int);'
+-do
+-  cat >conftest.$ac_ext <<_ACEOF
+-/* confdefs.h.  */
+-_ACEOF
+-cat confdefs.h >>conftest.$ac_ext
+-cat >>conftest.$ac_ext <<_ACEOF
+-/* end confdefs.h.  */
+-$ac_declaration
+-#include <stdlib.h>
+-int
+-main ()
+-{
+-exit (42);
+-  ;
+-  return 0;
+-}
+-_ACEOF
+-rm -f conftest.$ac_objext
+-if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+-  (eval $ac_compile) 2>conftest.er1
+-  ac_status=$?
+-  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_cxx_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_objext'
+-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+-  (eval $ac_try) 2>&5
+-  ac_status=$?
+-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+-  (exit $ac_status); }; }; then
+-  :
+-else
+-  echo "$as_me: failed program was:" >&5
+-sed 's/^/| /' conftest.$ac_ext >&5
+-
+-continue
+-fi
+-rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
+-  cat >conftest.$ac_ext <<_ACEOF
+-/* confdefs.h.  */
+-_ACEOF
+-cat confdefs.h >>conftest.$ac_ext
+-cat >>conftest.$ac_ext <<_ACEOF
+-/* end confdefs.h.  */
+-$ac_declaration
+-int
+-main ()
+-{
+-exit (42);
+-  ;
+-  return 0;
+-}
+-_ACEOF
+-rm -f conftest.$ac_objext
+-if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+-  (eval $ac_compile) 2>conftest.er1
+-  ac_status=$?
+-  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_cxx_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_objext'
+-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+-  (eval $ac_try) 2>&5
+-  ac_status=$?
+-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+-  (exit $ac_status); }; }; then
+-  break
+-else
+-  echo "$as_me: failed program was:" >&5
+-sed 's/^/| /' conftest.$ac_ext >&5
+-
+-fi
+-rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
+-done
+-rm -f conftest*
+-if test -n "$ac_declaration"; then
+-  echo '#ifdef __cplusplus' >>confdefs.h
+-  echo $ac_declaration      >>confdefs.h
+-  echo '#endif'             >>confdefs.h
+-fi
+-
+-ac_ext=cc
+-ac_cpp='$CXXCPP $CPPFLAGS'
+-ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+-ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+-ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
+-
+-
+-
+-if test -n "$CXX" && ( test "X$CXX" != "Xno" &&
+-    ( (test "X$CXX" = "Xg++" && `g++ -v >/dev/null 2>&1` ) ||
+-    (test "X$CXX" != "Xg++"))) ; then
+-  ac_ext=cc
+-ac_cpp='$CXXCPP $CPPFLAGS'
+-ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+-ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+-ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
+-echo "$as_me:$LINENO: checking how to run the C++ preprocessor" >&5
+-echo $ECHO_N "checking how to run the C++ preprocessor... $ECHO_C" >&6
+-if test -z "$CXXCPP"; then
+-  if test "${ac_cv_prog_CXXCPP+set}" = set; then
+-  echo $ECHO_N "(cached) $ECHO_C" >&6
+-else
+-      # Double quotes because CXXCPP needs to be expanded
+-    for CXXCPP in "$CXX -E" "/lib/cpp"
+-    do
+-      ac_preproc_ok=false
+-for ac_cxx_preproc_warn_flag in '' yes
+-do
+-  # Use a header file that comes with gcc, so configuring glibc
+-  # with a fresh cross-compiler works.
+-  # Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
+-  # <limits.h> exists even on freestanding compilers.
+-  # On the NeXT, cc -E runs the code through the compiler's parser,
+-  # not just through cpp. "Syntax error" is here to catch this case.
+-  cat >conftest.$ac_ext <<_ACEOF
+-/* confdefs.h.  */
+-_ACEOF
+-cat confdefs.h >>conftest.$ac_ext
+-cat >>conftest.$ac_ext <<_ACEOF
+-/* end confdefs.h.  */
+-#ifdef __STDC__
+-# include <limits.h>
+-#else
+-# include <assert.h>
+-#endif
+-		     Syntax error
+-_ACEOF
+-if { (eval echo "$as_me:$LINENO: \"$ac_cpp conftest.$ac_ext\"") >&5
+-  (eval $ac_cpp conftest.$ac_ext) 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 $ac_status); } >/dev/null; then
+-  if test -s conftest.err; then
+-    ac_cpp_err=$ac_cxx_preproc_warn_flag
+-    ac_cpp_err=$ac_cpp_err$ac_cxx_werror_flag
+-  else
+-    ac_cpp_err=
+-  fi
+-else
+-  ac_cpp_err=yes
+-fi
+-if test -z "$ac_cpp_err"; then
+-  :
+-else
+-  echo "$as_me: failed program was:" >&5
+-sed 's/^/| /' conftest.$ac_ext >&5
+-
+-  # Broken: fails on valid input.
+-continue
+-fi
+-rm -f conftest.err conftest.$ac_ext
+-
+-  # OK, works on sane cases.  Now check whether non-existent headers
+-  # can be detected and how.
+-  cat >conftest.$ac_ext <<_ACEOF
+-/* confdefs.h.  */
+-_ACEOF
+-cat confdefs.h >>conftest.$ac_ext
+-cat >>conftest.$ac_ext <<_ACEOF
+-/* end confdefs.h.  */
+-#include <ac_nonexistent.h>
+-_ACEOF
+-if { (eval echo "$as_me:$LINENO: \"$ac_cpp conftest.$ac_ext\"") >&5
+-  (eval $ac_cpp conftest.$ac_ext) 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 $ac_status); } >/dev/null; then
+-  if test -s conftest.err; then
+-    ac_cpp_err=$ac_cxx_preproc_warn_flag
+-    ac_cpp_err=$ac_cpp_err$ac_cxx_werror_flag
+-  else
+-    ac_cpp_err=
+-  fi
+-else
+-  ac_cpp_err=yes
+-fi
+-if test -z "$ac_cpp_err"; then
+-  # Broken: success on invalid input.
+-continue
+-else
+-  echo "$as_me: failed program was:" >&5
+-sed 's/^/| /' conftest.$ac_ext >&5
+-
+-  # Passes both tests.
+-ac_preproc_ok=:
+-break
+-fi
+-rm -f conftest.err conftest.$ac_ext
+-
+-done
+-# Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped.
+-rm -f conftest.err conftest.$ac_ext
+-if $ac_preproc_ok; then
+-  break
+-fi
+-
+-    done
+-    ac_cv_prog_CXXCPP=$CXXCPP
+-
+-fi
+-  CXXCPP=$ac_cv_prog_CXXCPP
+-else
+-  ac_cv_prog_CXXCPP=$CXXCPP
+-fi
+-echo "$as_me:$LINENO: result: $CXXCPP" >&5
+-echo "${ECHO_T}$CXXCPP" >&6
+-ac_preproc_ok=false
+-for ac_cxx_preproc_warn_flag in '' yes
+-do
+-  # Use a header file that comes with gcc, so configuring glibc
+-  # with a fresh cross-compiler works.
+-  # Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
+-  # <limits.h> exists even on freestanding compilers.
+-  # On the NeXT, cc -E runs the code through the compiler's parser,
+-  # not just through cpp. "Syntax error" is here to catch this case.
+-  cat >conftest.$ac_ext <<_ACEOF
+-/* confdefs.h.  */
+-_ACEOF
+-cat confdefs.h >>conftest.$ac_ext
+-cat >>conftest.$ac_ext <<_ACEOF
+-/* end confdefs.h.  */
+-#ifdef __STDC__
+-# include <limits.h>
+-#else
+-# include <assert.h>
+-#endif
+-		     Syntax error
+-_ACEOF
+-if { (eval echo "$as_me:$LINENO: \"$ac_cpp conftest.$ac_ext\"") >&5
+-  (eval $ac_cpp conftest.$ac_ext) 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 $ac_status); } >/dev/null; then
+-  if test -s conftest.err; then
+-    ac_cpp_err=$ac_cxx_preproc_warn_flag
+-    ac_cpp_err=$ac_cpp_err$ac_cxx_werror_flag
+-  else
+-    ac_cpp_err=
+-  fi
+-else
+-  ac_cpp_err=yes
+-fi
+-if test -z "$ac_cpp_err"; then
+-  :
+-else
+-  echo "$as_me: failed program was:" >&5
+-sed 's/^/| /' conftest.$ac_ext >&5
+-
+-  # Broken: fails on valid input.
+-continue
+-fi
+-rm -f conftest.err conftest.$ac_ext
+-
+-  # OK, works on sane cases.  Now check whether non-existent headers
+-  # can be detected and how.
+-  cat >conftest.$ac_ext <<_ACEOF
+-/* confdefs.h.  */
+-_ACEOF
+-cat confdefs.h >>conftest.$ac_ext
+-cat >>conftest.$ac_ext <<_ACEOF
+-/* end confdefs.h.  */
+-#include <ac_nonexistent.h>
+-_ACEOF
+-if { (eval echo "$as_me:$LINENO: \"$ac_cpp conftest.$ac_ext\"") >&5
+-  (eval $ac_cpp conftest.$ac_ext) 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 $ac_status); } >/dev/null; then
+-  if test -s conftest.err; then
+-    ac_cpp_err=$ac_cxx_preproc_warn_flag
+-    ac_cpp_err=$ac_cpp_err$ac_cxx_werror_flag
+-  else
+-    ac_cpp_err=
+-  fi
+-else
+-  ac_cpp_err=yes
+-fi
+-if test -z "$ac_cpp_err"; then
+-  # Broken: success on invalid input.
+-continue
+-else
+-  echo "$as_me: failed program was:" >&5
+-sed 's/^/| /' conftest.$ac_ext >&5
+-
+-  # Passes both tests.
+-ac_preproc_ok=:
+-break
+-fi
+-rm -f conftest.err conftest.$ac_ext
+-
+-done
+-# Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped.
+-rm -f conftest.err conftest.$ac_ext
+-if $ac_preproc_ok; then
+-  :
+-else
+-  { { echo "$as_me:$LINENO: error: C++ preprocessor \"$CXXCPP\" fails sanity check
+-See \`config.log' for more details." >&5
+-echo "$as_me: error: C++ preprocessor \"$CXXCPP\" fails sanity check
+-See \`config.log' for more details." >&2;}
+-   { (exit 1); exit 1; }; }
+-fi
+-
+-ac_ext=cc
+-ac_cpp='$CXXCPP $CPPFLAGS'
+-ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+-ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+-ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
+-
+-fi
+-
+ 
+ ac_ext=f
+ ac_compile='$F77 -c $FFLAGS conftest.$ac_ext >&5'