glib22.20.5_0 build failed under Mac OS X 10.6

[james.applemac@…]

OS: Mac OS X 10.6 xCode:3.2 Macports:1.8.0_0

following is the error messages: ==================== port -uR upgrade glib2 Port command started with PID 20917 Warning: Skipping upgrade since ncursesw 5.7_0 >= ncursesw 5.7_0, even though installed variants "" do not match "+darwin_10". Use 'upgrade --enforce-variants' to switch to the requested variants. Warning: Skipping upgrade since ncurses 5.7_0 >= ncurses 5.7_0, even though installed variants "" do not match "+darwin_10". Use 'upgrade --enforce-variants' to switch to the requested variants. Warning: Skipping upgrade since python_select 0.2.1_0 >= python_select 0.2.1_0, even though installed variants "+darwin_9" do not match "+darwin_10". Use 'upgrade --enforce-variants' to switch to the requested variants. ---> Computing dependencies for glib2 ---> Fetching glib2 ---> Attempting to fetch glib-2.20.5.tar.bz2 from ​http://ftp.nara.wide.ad.jp/pub/X11/GNOME/sources/glib/2.20/ ---> Verifying checksum(s) for glib2 ---> Extracting glib2 ---> Applying patches to glib2 ---> Configuring glib2 Error: Target org.macports.configure returned: configure failure: shell command " cd "/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_ports_devel_glib2/work/glib-2.20.5" && ./configure --prefix=/opt/local --enable-static " returned error 1 Command output: checking dependency style of /usr/bin/gcc-4.2... (cached) gcc3 checking how to run the C preprocessor... /usr/bin/gcc-4.2 -E checking for c++... /usr/bin/g++-4.2 checking whether we are using the GNU C++ compiler... yes checking whether /usr/bin/g++-4.2 accepts -g... yes checking dependency style of /usr/bin/g++-4.2... gcc3 checking for gcc... (cached) /usr/bin/gcc-4.2 checking whether we are using the GNU C compiler... (cached) yes checking whether /usr/bin/gcc-4.2 accepts -g... (cached) yes checking for /usr/bin/gcc-4.2 option to accept ISO C89... (cached) none needed checking dependency style of /usr/bin/gcc-4.2... (cached) gcc3 checking whether /usr/bin/gcc-4.2 and cc understand -c and -o together... yes checking for a BSD-compatible install... /usr/bin/install -c checking for special C compiler options needed for large files... no checking for _FILE_OFFSET_BITS value needed for large files... no checking for pkg-config... /opt/local/bin/pkg-config checking for gawk... (cached) gawk checking for perl5... /opt/local/bin/perl checking for indent... indent checking for /opt/local/bin/perl... /opt/local/bin/perl checking for a Python interpreter with version >= 2.4... python checking for python... /opt/local/bin/python checking for python version... 2.5 checking for python platform... darwin checking for python script directory... ${prefix}/lib/python2.5/site-packages checking for python extension module directory... ${exec_prefix}/lib/python2.5/site-packages checking for iconv_open... no checking for libiconv_open in -liconv... no checking for iconv_open in -liconv... no configure: error: * No iconv() implementation found in C library or libiconv Error: Unable to upgrade port: 1 ---> Executing: /opt/local/bin/port -uR upgrade glib2