>>> Compiling source in /var/tmp/portage/ftmenu-0.1/work/ftmenu-0.1 ...
./configure --prefix=/usr --host=i686-pc-linux-gnu --mandir=/usr/share/man --infodir=/usr/share/info --datadir=/usr/share --sysconfdir=/etc --localstatedir=/var/lib --build=i686-pc-linux-gnu
checking for a BSD-compatible install... /bin/install -c
checking whether build environment is sane... yes
checking for gawk... gawk
checking whether make sets $(MAKE)... yes
checking for pkg-config... /usr/bin/pkg-config
checking for glib >= 1.2... sh: glib-config: command not found
sh: glib-config: command not found
sh: glib-config: command not found
sh: glib-config: command not found
sh: glib-config: command not found
sh: glib-config: command not found
Requested 'glib >= 1.2' but version of GLib is
configure: error: Library requirements (glib >= 1.2) not met; consider adjusting the PKG_CONFIG_PATH environment variable if your libraries are in a nonstandard prefix so pkg-config can find them.

!!! Please attach the following file when filing a report to bugs.gentoo.org:
!!! /var/tmp/portage/ftmenu-0.1/work/ftmenu-0.1/config.log

!!! ERROR: x11-misc/ftmenu-0.1 failed.
Call stack:
  ebuild.sh, line 1539:   Called dyn_compile
  ebuild.sh, line 939:   Called src_compile
  ftmenu-0.1.ebuild, line 20:   Called econf
  ebuild.sh, line 541:   Called die

!!! econf failed
!!! If you need support, post the topmost build error, and the call stack if relevant.