warning message (as you requested)

[Jan Schubert]

HTH:

gentoo 1.4, athlon, autoconf 2.57-r1, big optimizations, up to date 
packages:

lbs root # emerge gnome-panel
Calculating dependencies ...done!
>>> emerge (1 of 1) gnome-base/gnome-panel-2.2.2.2 to /
>>> md5 src_uri ;-) gnome-panel-2.2.2.2.tar.bz2
>>> Unpacking source...
>>> Unpacking gnome-panel-2.2.2.2.tar.bz2 to 
/var/tmp/portage/gnome-panel-2.2.2.2/work
>>> Source unpacked.
* Working directory: 
/var/tmp/portage/gnome-panel-2.2.2.2/work/gnome-panel-2.2.2.2...
* Applying libtool-tmp.patch...
* Applying libtool-sed.patch...
* Applying libtool-portage.patch...
configure: WARNING: If you wanted to set the --build type, don't use --host.
   If a cross compiler is detected then cross compile mode will be used.
checking for a BSD-compatible install... /bin/install -c
checking whether build environment is sane... yes
checking whether make sets $(MAKE)... yes
checking for working aclocal-1.4... found
checking for working autoconf... found
checking for working automake-1.4... found
checking for working autoheader... found
checking for working makeinfo... found
checking whether to enable maintainer-specific portions of Makefiles... no
checking for intltool >= 0.21... 0.26 found
checking for perl... /usr/bin/perl
checking for i686-pc-linux-gnu-gcc... gcc
checking for C compiler default output... a.out
checking whether the C compiler works... yes
checking whether we are cross compiling... no
checking for suffix of executables...
checking for suffix of object files... o
checking whether we are using the GNU C compiler... yes
checking whether gcc accepts -g... yes
checking for gcc option to accept ANSI C... none needed
checking for strerror in -lcposix... no
checking for i686-pc-linux-gnu-gcc... (cached) gcc
checking whether we are using the GNU C compiler... (cached) yes
checking whether gcc accepts -g... (cached) yes
checking for gcc option to accept ANSI C... (cached) none needed
checking how to run the C preprocessor... gcc -E
checking for egrep... grep -E
checking for ANSI C header files... yes
checking build system type... i686-pc-linux-gnu
checking host system type... i686-pc-linux-gnu
checking for a sed that does not truncate output... /bin/sed
checking for ld used by gcc... /usr/i686-pc-linux-gnu/bin/ld
checking if the linker (/usr/i686-pc-linux-gnu/bin/ld) is GNU ld... yes
checking for /usr/i686-pc-linux-gnu/bin/ld option to reload object 
files... -r
checking for BSD-compatible nm... nm
checking whether ln -s works... yes
checking how to recognise dependent libraries... pass_all
checking for sys/types.h... yes
checking for sys/stat.h... yes
checking for stdlib.h... yes
checking for string.h... yes
checking for memory.h... yes
checking for strings.h... yes
checking for inttypes.h... yes
checking for stdint.h... yes
checking for unistd.h... yes
checking dlfcn.h usability... yes
checking dlfcn.h presence... yes
checking for dlfcn.h... yes
checking for i686-pc-linux-gnu-g++... g++
checking whether we are using the GNU C++ compiler... yes
checking whether g++ accepts -g... yes
checking how to run the C++ preprocessor... g++ -E
checking for i686-pc-linux-gnu-g77... i686-pc-linux-gnu-g77
checking whether we are using the GNU Fortran 77 compiler... yes
checking whether i686-pc-linux-gnu-g77 accepts -g... yes
checking the maximum length of command line arguments... 32768
checking command to parse nm output from gcc object... ok
checking for objdir... .libs
checking for i686-pc-linux-gnu-ar... no
checking for ar... ar
checking for i686-pc-linux-gnu-ranlib... no
checking for ranlib... ranlib
checking for i686-pc-linux-gnu-strip... no
checking for strip... strip
checking if gcc static flag  works... yes
checking if gcc supports -fno-rtti -fno-exceptions... yes
checking for gcc option to produce PIC... -fPIC
checking if gcc PIC flag -fPIC works... yes
checking if gcc supports -c -o file.o... yes
checking whether the gcc linker (/usr/i686-pc-linux-gnu/bin/ld) supports 
shared libraries... yes
checking whether -lc should be explicitly linked in... no
checking how to hardcode library paths into programs... immediate
checking whether stripping libraries is possible... yes
checking dynamic linker characteristics... GNU/Linux ld.so
checking if libtool supports shared libraries... yes
checking whether to build shared libraries... yes
checking whether to build static libraries... yes
configure: creating libtool
appending configuration tag "CXX" to libtool
checking for ld used by g++... /usr/i686-pc-linux-gnu/bin/ld
checking if the linker (/usr/i686-pc-linux-gnu/bin/ld) is GNU ld... yes
checking whether the g++ linker (/usr/i686-pc-linux-gnu/bin/ld) supports 
shared libraries... yes
checking for g++ option to produce PIC... -fPIC
checking if g++ PIC flag -fPIC works... yes
checking if g++ supports -c -o file.o... yes
checking whether the g++ linker (/usr/i686-pc-linux-gnu/bin/ld) supports 
shared libraries... yes
checking how to hardcode library paths into programs... immediate
checking whether stripping libraries is possible... yes
checking dynamic linker characteristics... GNU/Linux ld.so
appending configuration tag "F77" to libtool
checking if libtool supports shared libraries... yes
checking whether to build shared libraries... yes
checking whether to build static libraries... yes
checking for i686-pc-linux-gnu-g77 option to produce PIC... -fPIC
checking if i686-pc-linux-gnu-g77 PIC flag -fPIC works... yes
checking if i686-pc-linux-gnu-g77 supports -c -o file.o... yes
checking whether the i686-pc-linux-gnu-g77 linker 
(/usr/i686-pc-linux-gnu/bin/ld) supports shared libraries... yes
checking how to hardcode library paths into programs... immediate
checking whether stripping libraries is possible... yes
checking dynamic linker characteristics... GNU/Linux ld.so
checking for xrdb... /usr/X11R6/bin/xrdb
checking for glib-genmarshal... /usr/bin/glib-genmarshal
checking for gconftool-2... /usr/bin/gconftool-2
checking what warning flags to pass to the C compiler... -Wall -Wunused 
-Wmissing-prototypes -Wmissing-declarations
checking what language compliance flags to pass to the C compiler...
checking for pkg-config... /usr/bin/pkg-config
checking for ORBit-2.0 >= 2.4.0 gdk-pixbuf-2.0 >= 2.1.0 gtk+-2.0 >= 
2.1.0 libgnome-2.0 >= 2.1.1 libgnomeui-2.0 >= 2.1.0 libwnck-1.0 >= 2.1.5 
gnome-desktop-2.0 >= 2.1.4 gnome-vfs-2.0 >= 2.1.3 gnome-vfs-module-2.0 
>= 2.1.3... yes
checking PANEL_CFLAGS... -DORBIT2=1 -pthread -I/usr/include/orbit-2.0 
-I/usr/include/linc-1.0 -I/usr/include/glib-2.0 
-I/usr/lib/glib-2.0/include -I/usr/include/gtk-2.0 
-I/usr/lib/gtk-2.0/include -I/usr/include/atk-1.0 
-I/usr/include/pango-1.0 -I/usr/X11R6/include -I/usr/include/freetype2 
-I/usr/include/libgnome-2.0 -I/usr/include/libbonobo-2.0 
-I/usr/include/gconf/2 -I/usr/include/gnome-vfs-2.0 
-I/usr/lib/gnome-vfs-2.0/include -I/usr/include/bonobo-activation-2.0 
-I/usr/include/libgnomeui-2.0 -I/usr/include/libgnomecanvas-2.0 
-I/usr/include/libart-2.0 -I/usr/include/libbonoboui-2.0 
-I/usr/include/libxml2 -I/usr/include/libwnck-1.0 
-I/usr/include/startup-notification-1.0 -I/usr/include/gnome-desktop-2.0 
-I/usr/include/gnome-vfs-module-2.0
checking PANEL_LIBS... -pthread -Wl,--export-dynamic -L/usr/X11R6/lib 
-lwnck-1 -lgnome-desktop-2 -lgnomeui-2 -lSM -lICE 
-lstartup-notification-1 -lbonoboui-2 -lxml2 -lpthread -lz 
-lgnomecanvas-2 -lgnome-2 -lart_lgpl_2 -lpangoft2-1.0 -lgtk-x11-2.0 
-lgdk-x11-2.0 -latk-1.0 -lgdk_pixbuf-2.0 -lpangoxft-1.0 -lpangox-1.0 
-lpango-1.0 -lbonobo-2 -lgconf-2 -lgnomevfs-2 -lbonobo-activation 
-lORBit-2 -lm -llinc -lgmodule-2.0 -ldl -lgobject-2.0 -lgthread-2.0 
-lglib-2.0
checking for gdk-pixbuf-2.0 >= 2.1.0 gtk+-2.0 >= 2.1.0 libgnomeui-2.0 >= 
2.1.0 libglade-2.0 >= 2.0.0... yes
checking PANELCONFIG_CFLAGS... -DORBIT2=1 -pthread 
-I/usr/include/gtk-2.0 -I/usr/include/glib-2.0 
-I/usr/lib/glib-2.0/include -I/usr/lib/gtk-2.0/include 
-I/usr/include/atk-1.0 -I/usr/include/pango-1.0 -I/usr/X11R6/include 
-I/usr/include/freetype2 -I/usr/include/libgnomeui-2.0 
-I/usr/include/libgnome-2.0 -I/usr/include/libgnomecanvas-2.0 
-I/usr/include/libart-2.0 -I/usr/include/gconf/2 
-I/usr/include/libbonoboui-2.0 -I/usr/include/orbit-2.0 
-I/usr/include/libbonobo-2.0 -I/usr/include/gnome-vfs-2.0 
-I/usr/lib/gnome-vfs-2.0/include -I/usr/include/linc-1.0 
-I/usr/include/bonobo-activation-2.0 -I/usr/include/libxml2 
-I/usr/include/libglade-2.0
checking PANELCONFIG_LIBS... -Wl,--export-dynamic -pthread 
-L/usr/X11R6/lib -lgnomeui-2 -lSM -lICE -lbonoboui-2 -lgnomecanvas-2 
-lgnome-2 -lart_lgpl_2 -lpangoft2-1.0 -lbonobo-2 -lgconf-2 -lgnomevfs-2 
-lbonobo-activation -lORBit-2 -llinc -lgthread-2.0 -lglade-2.0 
-lgtk-x11-2.0 -lxml2 -lpthread -lz -lgdk-x11-2.0 -latk-1.0 
-lgdk_pixbuf-2.0 -lm -lpangoxft-1.0 -lpangox-1.0 -lpango-1.0 
-lgobject-2.0 -lgmodule-2.0 -ldl -lglib-2.0
checking for ORBit-2.0 >= 2.4.0 gdk-pixbuf-2.0 >= 2.1.0 gtk+-2.0 >= 
2.1.0 libgnomeui-2.0 >= 2.1.0 libglade-2.0 >= 2.0.0 libbonoboui-2.0 >= 
2.1.1... yes
checking LIBPANEL_APPLET_CFLAGS... -DORBIT2=1 -pthread 
-I/usr/include/orbit-2.0 -I/usr/include/linc-1.0 -I/usr/include/glib-2.0 
-I/usr/lib/glib-2.0/include -I/usr/include/gtk-2.0 
-I/usr/lib/gtk-2.0/include -I/usr/include/atk-1.0 
-I/usr/include/pango-1.0 -I/usr/X11R6/include -I/usr/include/freetype2 
-I/usr/include/libgnomeui-2.0 -I/usr/include/libgnome-2.0 
-I/usr/include/libgnomecanvas-2.0 -I/usr/include/libart-2.0 
-I/usr/include/gconf/2 -I/usr/include/libbonoboui-2.0 
-I/usr/include/libbonobo-2.0 -I/usr/include/gnome-vfs-2.0 
-I/usr/lib/gnome-vfs-2.0/include -I/usr/include/bonobo-activation-2.0 
-I/usr/include/libxml2 -I/usr/include/libglade-2.0
checking LIBPANEL_APPLET_LIBS... -pthread -Wl,--export-dynamic 
-L/usr/X11R6/lib -lgnomeui-2 -lSM -lICE -lglade-2.0 -lbonoboui-2 -lxml2 
-lpthread -lz -lgnomecanvas-2 -lgnome-2 -lart_lgpl_2 -lpangoft2-1.0 
-lgtk-x11-2.0 -lgdk-x11-2.0 -latk-1.0 -lgdk_pixbuf-2.0 -lpangoxft-1.0 
-lpangox-1.0 -lpango-1.0 -lbonobo-2 -lgconf-2 -lgnomevfs-2 
-lbonobo-activation -lORBit-2 -lm -llinc -lgmodule-2.0 -ldl 
-lgobject-2.0 -lgthread-2.0 -lglib-2.0
checking for ORBit-2.0 >= 2.4.0 gdk-pixbuf-2.0 >= 2.1.0 gtk+-2.0 >= 
2.1.0 libgnomeui-2.0 >= 2.1.0 libwnck-1.0 >= 2.1.5 libglade-2.0 >= 2.0.0 
gnome-desktop-2.0 >= 2.1.4... yes
checking WNCKLET_CFLAGS... -DORBIT2=1 -pthread -I/usr/include/orbit-2.0 
-I/usr/include/linc-1.0 -I/usr/include/glib-2.0 
-I/usr/lib/glib-2.0/include -I/usr/include/gtk-2.0 
-I/usr/lib/gtk-2.0/include -I/usr/include/atk-1.0 
-I/usr/include/pango-1.0 -I/usr/X11R6/include -I/usr/include/freetype2 
-I/usr/include/libgnomeui-2.0 -I/usr/include/libgnome-2.0 
-I/usr/include/libgnomecanvas-2.0 -I/usr/include/libart-2.0 
-I/usr/include/gconf/2 -I/usr/include/libbonoboui-2.0 
-I/usr/include/libbonobo-2.0 -I/usr/include/gnome-vfs-2.0 
-I/usr/lib/gnome-vfs-2.0/include -I/usr/include/bonobo-activation-2.0 
-I/usr/include/libxml2 -I/usr/include/libwnck-1.0 
-I/usr/include/startup-notification-1.0 -I/usr/include/libglade-2.0 
-I/usr/include/gnome-desktop-2.0
checking WNCKLET_LIBS... -pthread -Wl,--export-dynamic -L/usr/X11R6/lib 
-lwnck-1 -lglade-2.0 -lgnome-desktop-2 -lgnomeui-2 -lSM -lICE 
-lstartup-notification-1 -lbonoboui-2 -lxml2 -lpthread -lz 
-lgnomecanvas-2 -lgnome-2 -lart_lgpl_2 -lpangoft2-1.0 -lgtk-x11-2.0 
-lgdk-x11-2.0 -latk-1.0 -lgdk_pixbuf-2.0 -lpangoxft-1.0 -lpangox-1.0 
-lpango-1.0 -lbonobo-2 -lgconf-2 -lgnomevfs-2 -lbonobo-activation 
-lORBit-2 -lm -llinc -lgmodule-2.0 -ldl -lgobject-2.0 -lgthread-2.0 
-lglib-2.0
checking for gtk+-2.0 >= 2.1.0 libgnomeui-2.0 >= 2.1.0 libglade-2.0 >= 
2.0.0... yes
checking FISH_CFLAGS... -DORBIT2=1 -pthread -I/usr/include/gtk-2.0 
-I/usr/lib/gtk-2.0/include -I/usr/include/atk-1.0 
-I/usr/include/pango-1.0 -I/usr/X11R6/include -I/usr/include/freetype2 
-I/usr/include/glib-2.0 -I/usr/lib/glib-2.0/include 
-I/usr/include/libgnomeui-2.0 -I/usr/include/libgnome-2.0 
-I/usr/include/libgnomecanvas-2.0 -I/usr/include/libart-2.0 
-I/usr/include/gconf/2 -I/usr/include/libbonoboui-2.0 
-I/usr/include/orbit-2.0 -I/usr/include/libbonobo-2.0 
-I/usr/include/gnome-vfs-2.0 -I/usr/lib/gnome-vfs-2.0/include 
-I/usr/include/linc-1.0 -I/usr/include/bonobo-activation-2.0 
-I/usr/include/libxml2 -I/usr/include/libglade-2.0
checking FISH_LIBS... -Wl,--export-dynamic -pthread -L/usr/X11R6/lib 
-lgnomeui-2 -lSM -lICE -lbonoboui-2 -lgnomecanvas-2 -lgnome-2 
-lart_lgpl_2 -lpangoft2-1.0 -lbonobo-2 -lgconf-2 -lgnomevfs-2 
-lbonobo-activation -lORBit-2 -llinc -lgthread-2.0 -lglade-2.0 
-lgtk-x11-2.0 -lxml2 -lpthread -lz -lgdk-x11-2.0 -latk-1.0 
-lgdk_pixbuf-2.0 -lm -lpangoxft-1.0 -lpangox-1.0 -lpango-1.0 
-lgobject-2.0 -lgmodule-2.0 -ldl -lglib-2.0
checking X11/extensions/shape.h usability... yes
checking X11/extensions/shape.h presence... yes
checking for X11/extensions/shape.h... yes
checking for X... libraries /usr/X11R6/lib, headers /usr/X11R6/include
checking for gethostbyname... yes
checking for connect... yes
checking for remove... yes
checking for shmat... yes
checking for IceConnectionNumber in -lICE... yes
checking locale.h usability... yes
checking locale.h presence... yes
checking for locale.h... yes
checking for LC_MESSAGES... yes
checking libintl.h usability... yes
checking libintl.h presence... yes
checking for libintl.h... yes
checking for dgettext in libc... yes
checking for bind_textdomain_codeset... yes
checking for msgfmt... /usr/bin/msgfmt
checking for dcgettext... yes
checking for gmsgfmt... /usr/bin/msgfmt
checking for xgettext... /usr/bin/xgettext
checking for catalogs to be installed...  am ar az be bg bn ca cs cy da 
de el en_GB eo es et eu fa fi fr ga gl he hi hu id it ja ko li lt lv mk 
ml mn ms nl nn no pl pt pt_BR ro ru sk sl sq sr address@hidden sv ta tr uk wa 
vi yi zh_CN zh_TW
checking X11/extensions/Xinerama.h usability... no
checking X11/extensions/Xinerama.h presence... yes
configure: WARNING: X11/extensions/Xinerama.h: present but cannot be 
compiled
configure: WARNING: X11/extensions/Xinerama.h: check for missing 
prerequisite headers?
configure: WARNING: X11/extensions/Xinerama.h: proceeding with the 
preprocessor's result
configure: WARNING:     ## ------------------------------------ ##
configure: WARNING:     ## Report this to address@hidden ##
configure: WARNING:     ## ------------------------------------ ##
checking for X11/extensions/Xinerama.h... yes
checking for XineramaQueryScreens in -lXinerama... yes
checking for png_init_io in -lpng... yes
checking for gtkdoc-mkdb... false
checking for scrollkeeper-config... /usr/bin/scrollkeeper-config
Using config source xml::/etc/gconf/gconf.xml.defaults for schema 
installation
Using $(sysconfdir)/gconf/schemas/ as install directory for schema files
...