After a "make randconfig" I got this : CC [M] block/deadline-iosched.o CC drivers/acpi/tables.o CC drivers/acpi/blacklist.o CC drivers/acpi/osl.o drivers/acpi/osl.c:57:38: empty filename in #include drivers/acpi/osl.c: In function `acpi_os_table_override': drivers/acpi/osl.c:258: error: `AmlCode' undeclared (first use in this function) drivers/acpi/osl.c:258: error: (Each undeclared identifier is reported only once drivers/acpi/osl.c:258: error: for each function it appears in.) make[2]: *** [drivers/acpi/osl.o] Error 1 make[1]: *** [drivers/acpi] Error 2 make: *** [drivers] Error 2 tfoerste@n22 /mnt/ramdisk $ emerge info Portage 2203-svn (default-linux/x86/2006.0, gcc-3.4.5, glibc-2.3.6-r3, 2.6.16-gentoo-r3 i686) ================================================================= System uname: 2.6.16-gentoo-r3 i686 Intel(R) Pentium(R) M processor 1700MHz Gentoo Base System version 1.6.14 ccache version 2.3 [enabled] dev-lang/python: 2.4.2 sys-apps/sandbox: 1.2.12 sys-devel/autoconf: 2.13, 2.59-r7 sys-devel/automake: 1.4_p6, 1.5, 1.6.3, 1.7.9-r1, 1.8.5-r3, 1.9.6-r1 sys-devel/binutils: 2.16.1 sys-devel/libtool: 1.5.22 virtual/os-headers: 2.6.11-r2 ACCEPT_KEYWORDS="x86" AUTOCLEAN="yes" CBUILD="i686-pc-linux-gnu" CFLAGS="-O2 -march=pentium-m -fomit-frame-pointer -pipe" CHOST="i686-pc-linux-gnu" CONFIG_PROTECT="/etc /usr/kde/2/share/config /usr/kde/3.4/env /usr/kde/3.4/share/config /usr/kde/3.4/shutdown /usr/kde/3/share/config /usr/lib/X11/xkb /usr/share/config /var/qmail/control" CONFIG_PROTECT_MASK="/etc/eselect/compiler /etc/gconf /etc/revdep-rebuild /etc/terminfo /etc/env.d" CXXFLAGS="-O2 -march=pentium-m -fomit-frame-pointer -pipe" DISTDIR="/usr/portage/distfiles" FEATURES="autoconfig ccache distlocks sandbox sfperms strict" GENTOO_MIRRORS="http://pandemonium.tiscali.de/pub/gentoo/ http://213.186.33.37/gentoo-distfiles/ http://213.186.33.38/gentoo-distfiles/ http://ftp.belnet.be/mirror/rsync.gentoo.org/gentoo/" LINGUAS="de en" MAKEOPTS="-j2" PKGDIR="/usr/portage/packages" PORTAGE_TMPDIR="/var/tmp" PORTDIR="/usr/portage" SYNC="rsync://rsync.de.gentoo.org/gentoo-portage" USE="x86 X aac acpi alsa apache2 arts audiofile avi berkdb bitmap-fonts bzip2 cdr cli crypt cups curl dri dvd emboss encode exif expat fam ffmpeg font-server foomaticdb fortran gd gdbm gif glut gpm gstreamer gtk gtk2 idn imagemagick imlib ipv6 isdnlog jai java javascript jimi joystick jpeg junit kde lcms libg++ libwww live logrotate mad mbox mhash mikmod mmx mmxext mng motif mp3 mpeg mysql ncurses nls nptl nsplugin ogg opengl oss pam pcre pdflib perl php png pppd python qt quicktime readline real reflection rtc samba sdl session slp snmp spell spl sse sse2 ssl subversion tcltk tcpd tiff truetype truetype-fonts type1-fonts udev unicode usb userlocales vorbis win32codecs xine xml xml2 xorg xv xvid zlib video_cards_ati input_devices_keyboard input_devices_mouse linguas_de linguas_en userland_GNU kernel_linux elibc_glibc" Unset: ASFLAGS, CTARGET, INSTALL_MASK, LANG, LC_ALL, LDFLAGS, PORTDIR_OVERLAY
Created attachment 85664 [details] kernel config
CONFIG_ACPI_CUSTOM_DSDT=y CONFIG_ACPI_CUSTOM_DSDT_FILE="" If you enable a custom DSDT you have to supply a file path
Ouch, I have overlooked that config option.