checking for library containing strerror... none required
checking for i686-pc-linux-gnu-gcc... (cached) i686-pc-linux-gnu-gcc
checking whether we are using the GNU C compiler... (cached) yes
checking whether i686-pc-linux-gnu-gcc accepts -g... (cached) yes
checking for i686-pc-linux-gnu-gcc option to accept ANSI C... (cached) none needed
checking dependency style of i686-pc-linux-gnu-gcc... (cached) gcc3
checking for i686-pc-linux-gnu-g++... (cached) i686-pc-linux-gnu-g++
checking whether we are using the GNU C++ compiler... (cached) yes
checking whether i686-pc-linux-gnu-g++ accepts -g... (cached) yes
checking dependency style of i686-pc-linux-gnu-g++... (cached) gcc3
checking for i686-pc-linux-gnu-gcc... (cached) i686-pc-linux-gnu-gcc
checking whether we are using the GNU C compiler... (cached) yes
checking whether i686-pc-linux-gnu-gcc accepts -g... (cached) yes
checking for i686-pc-linux-gnu-gcc option to accept ANSI C... (cached) none needed
checking dependency style of i686-pc-linux-gnu-gcc... (cached) gcc3
checking for ANSI C header files... (cached) yes
checking for glib-genmarshal... /usr/bin/glib-genmarshal
checking for glib-mkenums... /usr/bin/glib-mkenums
./configure: line 21689: GNOME_DEBUG_CHECK: command not found
./configure: line 21690: syntax error near unexpected token `maximum'
./configure: line 21690: `GNOME_COMPILE_WARNINGS(maximum)'

!!! Please attach the following file when filing a report to bugs.gentoo.org:
!!! /var/tmp/portage/epiphany-1.8.4.1-r1/work/epiphany-1.8.4.1/config.log

!!! ERROR: www-client/epiphany-1.8.4.1-r1 failed.
Call stack:
  ebuild.sh, line 1539:   Called dyn_compile
  ebuild.sh, line 939:   Called src_compile
  ebuild.sh, line 1248:   Called gnome2_src_compile
  gnome2.eclass, line 63:   Called gnome2_src_configure
  gnome2.eclass, line 59:   Called econf '--disable-scrollkeeper' '--enable-dbus' '--enable-python' '--with-mozilla=firefox' '--enable-gtk-doc'
  ebuild.sh, line 541:   Called die

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