OpenBSD compile problems

anybody got an ide on how to compile the MOC on OpenBSD

error:
# make
make all-recursive
Making all in themes
cd .. && /bin/sh ./config.status themes/Makefile
config.status: creating themes/Makefile
Making all in decoder_plugins
cd .. && /bin/sh ./config.status decoder_plugins/Makefile
config.status: creating decoder_plugins/Makefile
if gcc -DHAVE_CONFIG_H -I. -I. -I. -DSYSTEM_THEMES_DIR=\"/usr/local/share/moc/themes\" -DPLUGIN_DIR=\"/usr/local/lib/moc/decoder_plugins\" -pthread -g -O2 -Wall -W -I/usr/local/include -MT utf8.o -MD -MP -MF ".deps/utf8.Tpo" -c -o utf8.o utf8.c; then mv -f ".deps/utf8.Tpo" ".deps/utf8.Po"; else rm -f ".deps/utf8.Tpo"; exit 1; fi
utf8.c:85: error: syntax error before "desc"
utf8.c:86: warning: return type defaults to `int'
utf8.c: In function `iconv_str':
utf8.c:137: error: `str' undeclared (first use in this function)
utf8.c:137: error: (Each undeclared identifier is reported only once
utf8.c:137: error: for each function it appears in.)
utf8.c:137: warning: return from incompatible pointer type
utf8.c: In function `xwaddstr':
utf8.c:148: error: `iconv_desc' undeclared (first use in this function)
utf8.c:148: warning: initialization from incompatible pointer type
utf8.c: In function `xwaddnstr':
utf8.c:254: error: `iconv_desc' undeclared (first use in this function)
utf8.c:254: warning: initialization from incompatible pointer type
utf8.c: In function `xmvwaddstr':
utf8.c:270: error: `iconv_desc' undeclared (first use in this function)
utf8.c:270: warning: initialization from incompatible pointer type
utf8.c: In function `xmvwaddnstr':
utf8.c:287: error: `iconv_desc' undeclared (first use in this function)
utf8.c:287: warning: initialization from incompatible pointer type
utf8.c: In function `xwprintw':
utf8.c:310: error: `iconv_desc' undeclared (first use in this function)
utf8.c:310: warning: initialization from incompatible pointer type
*** Error code 1

Stop in /home/senilix/audio/moc-2.4.1.
*** Error code 1

Stop in /home/senilix/audio/moc-2.4.1 (line 590 of Makefile).
*** Error code 1

Stop in /home/senilix/audio/moc-2.4.1 (line 340 of Makefile).