Bugzilla Bug 129438

gcc -Wl,-O1 -Wl,--sort-common -Wl,--enable-new-dtags -Wl,-Bdirect
-Wl,--as-needed -Wl,-hashvals -Wl,-zdynsort -Wl,-z -Wl,now -DUSE_TYPE_XFT
-I/usr/include/freetype2 -DUSE_TYPE_XCORE -I../kiklib/include -I../mkf/include
-I/usr/include -DUSE_FRIBIDI -I/usr/include/gtk-2.0 -I/usr/include/glib-2.0
-I/usr/lib/glib-2.0/include -DUSE_GDK_PIXBUF -DHAVE_XUTF8_LOOKUP_STRING
-DUSE_KBD -DUSE_IM_PLUGIN -O3 -mtune=pentium3 -march=pentium3 -pipe
-fomit-frame-pointer -mmmx -msse -ffast-math -DLIBDIR=\"/usr/lib\"
-DSYSCONFDIR=\"/etc\" -DLIBEXECDIR=\"/usr/libexec\" -DDATADIR=\"/usr/share\"
-I../mlterm -I../xwindow -I/usr/local/include -o .libs/mlterm
x_window_manager.o x_window.o x_screen.o x_xim.o x_xic.o x_color_manager.o
x_font_manager.o x_scrollbar.o x_sb_screen.o x_picture.o x_font.o
x_sb_view_factory.o x_simple_sb_view.o x_color.o x_decsp_font.o
x_imagelib_gdk.o x_selection.o x_font_config.o x_color_config.o x_shortcut.o
x_bel_mode.o x_sb_mode.o x_mod_meta_mode.o main.o x_term_manager.o x_termcap.o
x_display.o x_dnd.o x_font_cache.o x_main_config.o x_draw_str.o x_im.o
x_im_candidate_screen.o x_im_status_screen.o  -L/usr/lib /usr/lib/libfribidi.so
/usr/lib/libgdk_pixbuf-2.0.so -lm /usr/lib/libgobject-2.0.so
/usr/lib/libgmodule-2.0.so /usr/lib/libglib-2.0.so /usr/lib/libXft.so
/usr/lib/libXrender.so /usr/lib/libfontconfig.so /usr/lib/libexpat.so
/usr/lib/libfreetype.so -lz /usr/lib/libSM.so /usr/lib/libICE.so
/usr/lib/libX11.so /usr/lib/libXau.so /usr/lib/libXdmcp.so
../mlterm/libmlterm.a ../mkf/lib/.libs/libmkf.so ../kiklib/src/.libs/libkik.so
-ldl -lutil -L/usr/local/lib -Wl,--rpath -Wl,/usr/local/lib
../mlterm/libmlterm.a(ml_bidi.o): In function
`ml_bidi':ml_bidi.c:(.text+0x10d): undefined reference to `fribidi_get_type'
:ml_bidi.c:(.text+0x15c): undefined reference to `fribidi_log2vis'
collect2: ld returned 1 exit status
make[1]: *** [mlterm] Error 1
make[1]: Leaving directory
`/var/tmp/portage/mlterm-2.9.2/work/mlterm-2.9.2/xwindow'
make: *** [all] Error 2

!!! ERROR: x11-terms/mlterm-2.9.2 failed.

emerge --info missing...
maybe, it cuz dev-libs/fribidi issue, but I'm not sure...

Created an attachment (id=101123) [edit]
patch for as-needed

add epatch to end of src_unpack()
>epatch "${FILESDIR}/mlterm-2.9.3-as-needed.patch"

it only test follow use flags.
>USE="gtk nls scim truetype -bidi -imlib -uim"
>USE="gtk nls scim truetype bidi -imlib -uim"

Thanks for digging up the problem and making a patch.
I've just applied the patch in CVS.