doxygen failed to build

[conradwt (Conrad Taylor)]

doxygen port failed to build to the below:

}}}

BEGIN Transcript:

--->  Building doxygen
Error: Target org.macports.build returned: shell command " cd "/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_ports_textproc_doxygen/work/doxygen-1.5.9" && /usr/bin/make -j2 all " returned error 2
Command output: vhdldocgen.cpp:1605: warning: deprecated conversion from string constant to 'char*'
vhdldocgen.cpp:1613: warning: deprecated conversion from string constant to 'char*'
vhdldocgen.cpp:1615: warning: deprecated conversion from string constant to 'char*'
vhdldocgen.cpp:1622: warning: deprecated conversion from string constant to 'char*'
vhdldocgen.cpp:1624: warning: deprecated conversion from string constant to 'char*'
vhdldocgen.cpp: In static member function 'static void VhdlDocGen::writeStringLink(const MemberDef*, QCString, OutputList&)':
vhdldocgen.cpp:2447: warning: deprecated conversion from string constant to 'char*'
/usr/bin/g++-4.2 -I/opt/local/include -c -pipe -D__FreeBSD__=6 -Wall -W -O2 -I../qtools -I../libpng -I../libmd5 -o ../objects/vhdlscanner.o vhdlscanner.cpp
/usr/bin/g++-4.2 -I/opt/local/include -c -pipe -D__FreeBSD__=6 -Wall -W -O2 -I../qtools -I../libpng -I../libmd5 -o ../objects/xmldocvisitor.o xmldocvisitor.cpp
vhdlscanner.l: In function 'void parseFunctionProto()':
vhdlscanner.l:412: warning: suggest a space before ';' or explicit braces around empty body in 'while' statement
/usr/bin/g++-4.2 -I/opt/local/include -c -pipe -D__FreeBSD__=6 -Wall -W -O2 -I../qtools -I../libpng -I../libmd5 -o ../objects/xmlgen.o xmlgen.cpp
rm -f ../lib/libdoxygen.a
ar cq ../lib/libdoxygen.a ../objects/ce_lex.o ../objects/ce_parse.o ../objects/classdef.o ../objects/classlist.o ../objects/cmdmapper.o ../objects/code.o ../objects/commentcnv.o ../objects/commentscan.o ../objects/cppvalue.o ../objects/debug.o ../objects/defgen.o ../objects/declinfo.o ../objects/defargs.o ../objects/define.o ../objects/definition.o ../objects/diagram.o ../objects/dirdef.o ../objects/docparser.o ../objects/docsets.o ../objects/doctokenizer.o ../objects/dot.o ../objects/doxygen.o ../objects/entry.o ../objects/filedef.o ../objects/filename.o ../objects/formula.o ../objects/ftvhelp.o ../objects/fortrancode.o ../objects/fortranscanner.o ../objects/groupdef.o ../objects/htags.o ../objects/htmldocvisitor.o ../objects/htmlgen.o ../objects/htmlhelp.o ../objects/indexlog.o ../objects/image.o ../objects/index.o ../objects/instdox.o ../objects/language.o ../objects/latexdocvisitor.o ../objects/latexgen.o ../objects/layout.o ../objects/logos.o ../objects/mandocvisitor.o ../objects/mangen.o ../objects/marshal.o ../objects/memberdef.o ../objects/membergroup.o ../objects/memberlist.o ../objects/membername.o ../objects/message.o ../objects/msc.o ../objects/namespacedef.o ../objects/objcache.o ../objects/outputgen.o ../objects/outputlist.o ../objects/pagedef.o ../objects/perlmodgen.o ../objects/pngenc.o ../objects/pre.o ../objects/pycode.o ../objects/pyscanner.o ../objects/qhp.o ../objects/qhpxmlwriter.o ../objects/reflist.o ../objects/rtfdocvisitor.o ../objects/rtfgen.o ../objects/rtfstyle.o ../objects/scanner.o ../objects/searchindex.o ../objects/store.o ../objects/tagreader.o ../objects/textdocvisitor.o ../objects/translator.o ../objects/util.o ../objects/version.o ../objects/vhdlcode.o ../objects/vhdldocgen.o ../objects/vhdlscanner.o ../objects/xmldocvisitor.o ../objects/xmlgen.o 
ranlib ../lib/libdoxygen.a
/usr/bin/make -f Makefile.doxygen    PERL=/opt/local/bin/perl all
/usr/bin/g++-4.2 -I/opt/local/include -c -pipe -D__FreeBSD__=6 -Wall -W -O2 -I../qtools -I../libpng -I../libmd5 -I. -o ../objects/main.o main.cpp
/usr/bin/g++-4.2 -Wl,-search_paths_first -o ../bin/doxygen ../objects/main.o  -L../lib -ldoxygen -ldoxycfg -lqtools -lpng -lmd5 -liconv
Undefined symbols:
  "_libiconv_open", referenced from:
      _portable_iconv_open in libdoxycfg.a(portable_c.o)
  "_libiconv", referenced from:
      _portable_iconv in libdoxycfg.a(portable_c.o)
  "_libiconv_close", referenced from:
      _portable_iconv_close in libdoxycfg.a(portable_c.o)
ld: symbol(s) not found
collect2: ld returned 1 exit status
make[2]: *** [../bin/doxygen] Error 1
make[1]: *** [all] Error 2
make: *** [all] Error 2

Error: The following dependencies failed to build: doxygen
Error: Status 1 encountered during processing.

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