kde-base/arts-1.3.2 fails to compile with: In file included from ../mcop/core.h:6, from helloserver.cc:26: ../mcop/common.h: In function `void Arts::writeObject(Arts::Buffer&, T*)': ../mcop/common.h:87: error: invalid use of undefined type `struct Arts::ObjectReference' ../mcop/dispatcher.h:48: error: forward declaration of `struct Arts::ObjectReference' ../mcop/common.h:93: error: invalid use of undefined type `struct Arts::ObjectReference' ../mcop/dispatcher.h:48: error: forward declaration of `struct Arts::ObjectReference' ../mcop/common.h:94: error: invalid use of undefined type `struct Arts::ObjectReference' ../mcop/dispatcher.h:48: error: forward declaration of `struct Arts::ObjectReference' ../mcop/common.h:95: error: invalid use of undefined type `struct Arts::ObjectReference' ../mcop/dispatcher.h:48: error: forward declaration of `struct Arts::ObjectReference' ../mcop/common.h: In function `void Arts::readObject(Arts::Buffer&, T*&)': ../mcop/common.h:103: error: invalid use of undefined type `struct Arts::ObjectReference' ../mcop/dispatcher.h:48: error: forward declaration of `struct Arts::ObjectReference' make[2]: *** [helloserver.o] Error 1 make[2]: Leaving directory `/var/tmp/portage/arts-1.3.2/work/arts-1.3.2/examples' make[1]: *** [check-am] Error 2 make[1]: Leaving directory `/var/tmp/portage/arts-1.3.2/work/arts-1.3.2/examples' make: *** [check-recursive] Error 1 Adding core.idl (where ObjectReference is declared) to mcop/common.h makes this error go away, but prompts a different one. Reproducible: Always Steps to Reproduce: 1.emerge kde-base/arts-1.3.2 ***************** emerge info ***************** Portage 2.0.51-r3 (default-linux/x86/2004.3, gcc-3.4.3, glibc-2.3.4.20040808-r1, 2.6.10-rc2-mm2 i686) ================================================================= System uname: 2.6.10-rc2-mm2 i686 Intel(R) Pentium(R) 4 CPU 2.40GHz Gentoo Base System version 1.4.16 Autoconf: sys-devel/autoconf-2.13,sys-devel/autoconf-2.59-r6 Automake: sys-devel/automake-1.8.5-r2,sys-devel/automake-1.5,sys-devel/automake-1.6.3,sys-devel/automake-1.4_p6,sys-devel/automake-1.9.3,sys-devel/automake-1.7.9 Binutils: sys-devel/binutils-2.15.90.0.1.1-r3 Headers: sys-kernel/linux26-headers-2.6.8.1-r1 Libtools: sys-devel/libtool-1.5.2-r7 ACCEPT_KEYWORDS="x86" AUTOCLEAN="yes" CFLAGS="-O -march=pentium4 -fprefetch-loop-arrays -ftracer -fweb -frename-registers -pipe" CHOST="i686-pc-linux-gnu" COMPILER="" CONFIG_PROTECT="/etc /usr/kde/2/share/config /usr/kde/3.2/share/config /usr/kde/3.3/env /usr/kde/3.3/share/config /usr/kde/3.3/shutdown /usr/kde/3/share/config /usr/lib/X11/xkb /usr/lib/mozilla/defaults/pref /usr/share/config /usr/share/texmf/dvipdfm/config/ /usr/share/texmf/dvips/config/ /usr/share/texmf/tex/generic/config/ /usr/share/texmf/tex/platex/config/ /usr/share/texmf/xdvi/ /var/qmail/control" CONFIG_PROTECT_MASK="/etc/gconf /etc/terminfo /etc/env.d" CXXFLAGS="-O -march=pentium4 -fprefetch-loop-arrays -ftracer -fweb -frename-registers -pipe" DISTDIR="/usr/portage/distfiles" FEATURES="autoaddcvs autoconfig candy ccache distlocks fixpackages gpg maketest sandbox sfperms" GENTOO_MIRRORS="http://mirrors.tds.net/gentoo" MAKEOPTS="-j2" PKGDIR="/usr/portage/packages" PORTAGE_TMPDIR="/var/tmp" PORTDIR="/usr/portage" PORTDIR_OVERLAY="/etc/portage/overlay" SYNC="rsync://rsync.namerica.gentoo.org/gentoo-portage" USE="x86 X Xaw3d aalib acl alsa apm arts avi berkdb bitmap-fonts bluetooth bonobo cdr crypt cups directfb divx4linux dv dvd dvdr dvdread emacs emacs-w3 encode esd ethereal fam fame fbcon flac foomaticdb fortran freetype gdbm gif gpm gtk gtk2 gtkhtml guile imagemagick imlib ipv6 java jpeg junit leim libwww live lzo lzw mad mikmod mjpeg mmx motif mozilla mpeg ncurses nls odbc oggvorbis opengl oss pam pcmcia pdflib perl png python qt quicktime radeon readline ruby sdl slang spell ssl svga tcpd tetex theora tiff truetype usb v4l xml xml2 xmms xv xvid zlib"
A note from Gradaz in the forums: http://forums.gentoo.org/viewtopic.php?t=256430 Indicates that this is a problem with the "maketest" FEATURE being enabled. Disabling it makes the error go away. Circular dependancy issue?
*** This bug has been marked as a duplicate of 60641 ***
