[Bug libstdc++/37767] New: after many config "No support for this host/target combination." message

["nospamname at web dot de" <gcc-bugzilla at gcc dot gnu dot org>]

I want create libstdc++ of GCC4.3.2 on Target amigaos 68k

after some configure  i get this lines
then this error "No support for this host/target combination."

I look on older versions and find in file 
/gcc/gcc/libstdc++-v3/crossconfig.m4

that there is target amigaos miss now.

I add now this lines at end of file crossconfig.m4

-------------
........
    AC_DEFINE(HAVE_TANL)
    AC_DEFINE(HAVE_TANHF)
    AC_DEFINE(HAVE_TANHL)
    ;;
+*-amigaos*)
+    AC_CHECK_HEADERS([nan.h ieeefp.h endian.h sys/isa_defs.h \
+      machine/endian.h machine/param.h sys/machine.h sys/types.h \
+      fp.h locale.h float.h inttypes.h])
+    SECTION_FLAGS='-ffunction-sections -fdata-sections'
+    AC_SUBST(SECTION_FLAGS)
+    GLIBCXX_CHECK_LINKER_FEATURES
+    GLIBCXX_CHECK_COMPLEX_MATH_SUPPORT
+    GLIBCXX_CHECK_WCHAR_T_SUPPORT
+    AC_DEFINE(HAVE_COPYSIGN)
+    ;;
  *)
    AC_MSG_ERROR([No support for this host/target combination.])
   ;;
esac
])
---------------------------------------

but, i get this messages.
Are there more places to add target now ?

.....
checking for C locale to use... generic
checking for std::allocator base class... new
configure: "C" header strategy set to c_global
checking for enabled long long specializations... yes
checking wchar.h usability... no
checking wchar.h presence... no
checking for wchar.h... no
checking for mbstate_t... no
checking wctype.h usability... no
checking wctype.h presence... no
checking for wctype.h... no
checking for enabled wchar_t specializations... no
checking for sin in -lm... no
checking for ISO C99 support in <math.h>... no
checking tgmath.h usability... yes
checking tgmath.h presence... yes
checking for tgmath.h... yes
checking complex.h usability... no
checking complex.h presence... no
checking for complex.h... no
no
checking for ISO C99 support in <stdio.h>... no
checking for ISO C99 support in <stdlib.h>... no
checking for fully enabled ISO C99 support... no
configure: Debug build flags set to -g3 -O0
checking for additional debug build... no
configure: /bernd/obj_68k_4/m68k-amigaos/libstdc++-v3/../libgomp/omp.h not
found
checking for parallel mode support... no
checking for extra compiler flags for building... 
checking for thread model used by GCC... single
checking for atomic builtins... no
checking for g++ that supports -ffunction-sections -fdata-sections... no
configure: error: No support for this host/target combination.
make[1]: *** [configure-target-libstdc++-v3] Error 1
make[1]: Leaving directory `/bernd/obj_68k_4'
make: *** [all] Error 2


-- 
           Summary: after many config "No support for this host/target
                    combination." message
           Product: gcc
           Version: 4.3.2
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: libstdc++
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: nospamname at web dot de
  GCC host triplet: cygwin 686
GCC target triplet: amigaos 68k


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37767