Error installing doxygen 1.5.3

[dambler@…]

Using 10.4 ppc G5 system

getting output: ---> Building doxygen with target all pdf 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-1.5.3" && make all pdf " returned error 2 Command output: /usr/bin/make -C qtools /usr/bin/make -f Makefile.qtools all make[2]: Nothing to be done for `all'. /usr/bin/make -C libpng /usr/bin/make -f Makefile.libpng make[2]: Nothing to be done for `all'. /usr/bin/make -C libmd5 /usr/bin/make -f Makefile.libmd5 make[2]: Nothing to be done for `all'. /usr/bin/make -C src /usr/bin/make -f Makefile.libdoxycfg PERL=/usr/bin/perl all c++ -c -pipe -DFreeBSD=6 -Wall -W -O2 -I../qtools -o ../objects/portable.o portable.cpp portable.cpp: In function 'size_t portable_iconv(void*, const char, size_t*, char, size_t*)': portable.cpp:381: error: invalid conversion from 'char' to 'const char' portable.cpp:381: error: initializing argument 2 of 'size_t libiconv(void*, const char, size_t*, char, size_t*)' make[2]: * objects/portable.o Error 1 make[1]: * [all] Error 2 make: * [all] Error 2

Error: Status 1 encountered during processing.