Re: [gentoo-embedded] Problem cross compiling modular X

[Chuck Robey]

Ryan Baldwin wrote:

> Hi,
>
> I have been trying to develop an embedded system using gentoo that can
> be cross compiled. I have succeeded in building a busybox/uclibc based
> system and PXE booting. I am now trying to emerge xorg-server but get
> the following error:
>
> ./include/X11/Xauth.h:48:31: X11/Xfuncproto.h: No such file or directory
>
> ./include/X11/Xauth.h:49:27: X11/Xfuncs.h: No such file or directory
>
> In file included from AuDispose.c:33:
>
> ./include/X11/Xauth.h:62: error: syntax error before "char"
>
> ./include/X11/Xauth.h:69: error: syntax error before "char"
>
> ./include/X11/Xauth.h:73: warning: function declaration isn't a prototype
>
> ./include/X11/Xauth.h:76: error: syntax error before "char"
>
> ./include/X11/Xauth.h:77: warning: function declaration isn't a prototype
>
> ./include/X11/Xauth.h:85: error: syntax error before "char"
>
> ./include/X11/Xauth.h:86: warning: function declaration isn't a prototype
>
> ./include/X11/Xauth.h:96: error: syntax error before "_Xconst"
>
> ./include/X11/Xauth.h:109: warning: function declaration isn't a prototype
>
> ./include/X11/Xauth.h:119: error: syntax error before "_Xconst"
>
> ./include/X11/Xauth.h:129: warning: function declaration isn't a prototype
>
> In file included from AuDispose.c:34:
>
> /usr/i686-pc-linux-uclibc/usr/include/stdlib.h:97: error: syntax error
> before "typedef"
>
> AuDispose.c: In function `XauDisposeAuth':
>
> AuDispose.c:45: warning: implicit declaration of function `bzero'
>
> AuDispose.c:45: warning: nested extern declaration of `bzero'
>
> make[1]: *** [AuDispose.lo] Error 1
>
> make[1]: Leaving directory
> `/var/tmp/portage/libXau-1.0.1/work/libXau-1.0.1'
>
> make: *** [all] Error 2
>
> !!! ERROR: x11-libs/libXau-1.0.1 failed.
>
> Call stack:
>
> ebuild.sh, line 1539: Called dyn_compile
>
> ebuild.sh, line 939: Called src_compile
>
> ebuild.sh, line 1248: Called x-modular_src_compile
>
> x-modular.eclass, line 327: Called x-modular_src_make
>
> x-modular.eclass, line 322: Called die
>
>
>
> Prior to this it has just successfully emerged xproto which has
> installed the header file that this package is not picking up. Also I
> can emerge xorg-server in the host environment with problems.
>
> During its configure it spits out
>
>
>
> ./configure --prefix=/usr --host=i686-pc-linux-uclibc
> --mandir=/usr/share/man --infodir=/usr/share/info --datadir=/usr/share
> --sysconfdir=/etc --localstatedir=/var/lib --prefix=/usr
> --datadir=/usr/share --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 $(MAKE)... yes
>
> checking for i686-pc-linux-uclibc-strip... i686-pc-linux-uclibc-strip
>
> checking whether to enable maintainer-specific portions of Makefiles... no
>
> checking for i686-pc-linux-uclibc-gcc... i686-pc-linux-uclibc-gcc
>
> checking for C compiler default output file name... a.out
>
> checking whether the C compiler works... yes
>
> checking whether we are cross compiling... yes
>
>
>
>
> Here I am trying to compile on a host i686-pc-linux-gnu for a target
> i686-pc-linux-uclibc. Is this right – from my understanding(not the
> best) should have --host=i686-pc-linux-glibs –target= target
> i686-pc-linux-uclibc. Anyhow to continue.
>
> My procedure for building this system involves first setting up a
> chroot env with a fresh portage and then using crossdev to build a
> toolchain and then emerge to build. This is the script I use to build
> the chroot environment:
>
>
>
>
>
> RBCONFDIR=${RBTHEROOT}/conf/${1}
>
> RBMEDIADIR=${RBTHEROOT}/media
>
> RBBUILDROOT=${RBTHEROOT}/${1}_chroot
>
> . ${RBCONFDIR}/conf
>
> echo "Config Dir: ${RBCONFDIR}"
>
> echo "Making build root: ${RBBUILDROOT}"
>
> mkdir ${RBBUILDROOT}
>
> cd ${RBBUILDROOT}
>
> echo "Extracting files to build root."
>
> tar xjpf ${RBMEDIADIR}/stage3-i686-2006.0.tar.bz2
>
> tar xjf ${RBMEDIADIR}/portage-20060703.tar.bz2 -C ${RBBUILDROOT}/usr
>
> echo "Copying distfiles"
>
> cp ${RBMEDIADIR}/distfiles/* ${RBBUILDROOT}/usr/portage/distfiles/
>
> echo "Putting in place host make.conf"
>
> cp ${RBTHEROOT}/conf/make.conf ${RBBUILDROOT}/etc/
>
> echo "Copying DNS info"
>
> cp -L /etc/resolv.conf ${RBBUILDROOT}/etc/resolv.conf
>
> echo "Mounting proc filesystem"
>
> mount -t proc none ${RBBUILDROOT}/proc
>
> echo "Mounting dev filesystem"
>
> mount -o bind /dev ${RBBUILDROOT}/dev
>
> echo "Copying phase 2 build files"
>
> mkdir ${RBBUILDROOT}/p2build
>
> cp -r ${RBCONFDIR} ${RBBUILDROOT}/p2build/conf
>
> cp -r ${RBTHEROOT}/build_target/* ${RBBUILDROOT}/p2build/
>
> echo "Entering chroot"
>
> chroot ${RBBUILDROOT} bash /p2build/build-target
>
>
>
> The preeceeding script source this . ${RBCONFDIR}/conf:
>
>
>
> MY_TARGET_ARCH=x86
>
> MY_TARGET_KERNEL_ARCH=i386
>
> MY_TARGET_CHOST=i686-pc-linux-uclibc
>
> MY_TARGET_CFLAGS="-Os -march=pentium4 -pipe -fomit-frame-pointer"
>
> MY_TARGET_USE="-* x86 mmx ssl theora threads tiff doc usb vcd vorbis
> wifi win32codecs wmf xml2 xpm xv xvid bzlib ncurses pam zlib avi crypt
> divx4linux ftp gd gif gmp gphoto2 gtk gtk2 imlib avi live matroska
> mpeg oggvorbis real theora xanim jpeg libwww mpeg msn opengl pdflib
> png quicktime dri firebird flac gstreamer java kdeenablefinal libedit
> mikmod mmap mng mp3 ogg sdl pdflib bash-completion bitmap-font
> truetype-fonts spell tiff truetype usb xmms X a52 aac qt kde dvd dvdr
> dlloader alsa cdr nvidia nptl nptlonly pic"
>
> MY_TARGET_INPUT_DEVICES="keyboard mouse"
>
> MY_TARGET_VIDEO_CARDS="nvidia"
>
>
>
>
> This all works OK. The last line enters the chroot env and executes
> the following script:
>
>
>
>
> echo "Syncing source tree"
>
> #emerge --sync
>
> emerge xorg-server # This works so it builds ok in the host.
>
>
> echo "Merging cross dev"
>
> emerge -v crossdev
>
> echo "Fixing overlay"
>
> echo "PORTDIR_OVERLAY=\"/usr/local/portage\"" >> /etc/make.conf
>
> mkdir /usr/local/portage
>
> . /p2build/conf/conf
>
> echo "Creating cross toolchain: ${MY_TARGET_CHOST}"
>
> crossdev --binutils 2.16.1-r2 --gcc 3.4.5-r1 --libc 0.9.29 --kernel
> 2.6.17 -t $MY_TARGET_CHOST
>
> mkdir -p /tmp/target
>
> echo "sys-apps/baselayout-lite -*" >> /etc/portage/package.keywords
>
> PRET=
>
> echo "Creating kernel"
>
> mkdir /tmp/kernel
>
> echo "sys-kernel/vanilla-sources ~x86" >> /etc/portage/package.keywords
>
> ROOT="/tmp/kernel" \
>
> ARCH="$MY_TARGET_ARCH" \
>
> CHOST="$MY_TARGET_CHOST" \
>
> CBUILD="i686-pc-linux-gnu" \
>
> CFLAGS="$MY_TARGET_CFLAGS" \
>
> CXXFLAGS="$MY_TARGET_CFLAGS" \
>
> INPUT_DEVICES="$MY_TARGET_INPUT_DEVICES" \
>
> VIDEO_CARDS="$MY_TARGET_VIDEO_CARDS" \
>
> USE="${MY_TARGET_USE}" \
>
> CONFIG_PROTECT="-* ${ROOT}/etc" \
>
> emerge $PRET -v --nodeps vanilla-sources
>
> cp -f /p2build/conf/.config /tmp/kernel/usr/src/linux/
>
> cd /tmp/kernel/usr/src/linux/
>
> ROOT="/tmp/kernel" \
>
> CROSS_COMPILE="${MY_TARGET_CHOST}-" \
>
> ARCH="$MY_TARGET_KERNEL_ARCH" \
>
> CHOST="$MY_TARGET_CHOST" \
>
> CBUILD="i686-pc-linux-gnu" \
>
> CFLAGS="$MY_TARGET_CFLAGS" \
>
> CXXFLAGS="$MY_TARGET_CFLAGS" \
>
> INPUT_DEVICES="$MY_TARGET_INPUT_DEVICES" \
>
> VIDEO_CARDS="$MY_TARGET_VIDEO_CARDS" \
>
> USE="${MY_TARGET_USE}" \
>
> CONFIG_PROTECT="-* ${ROOT}/etc" \
>
> make bzImage
>
> cd /
>
> echo "Creating rootfs"
>
> ROOT="/tmp/target" \
>
> ARCH="$MY_TARGET_ARCH" \
>
> CHOST="$MY_TARGET_CHOST" \
>
> CBUILD="i686-pc-linux-gnu" \
>
> CFLAGS="$MY_TARGET_CFLAGS" \
>
> CXXFLAGS="$MY_TARGET_CFLAGS" \
>
> INPUT_DEVICES="$MY_TARGET_INPUT_DEVICES" \
>
> VIDEO_CARDS="$MY_TARGET_VIDEO_CARDS" \
>
> USE="${MY_TARGET_USE} make-symlinks" \
>
> CONFIG_PROTECT="-* ${ROOT}/etc" \
>
> emerge $PRET -v busybox
>
> ROOT="/tmp/target" \
>
> ARCH="$MY_TARGET_ARCH" \
>
> CHOST="$MY_TARGET_CHOST" \
>
> CBUILD="i686-pc-linux-gnu" \
>
> CFLAGS="$MY_TARGET_CFLAGS" \
>
> CXXFLAGS="$MY_TARGET_CFLAGS" \
>
> INPUT_DEVICES="$MY_TARGET_INPUT_DEVICES" \
>
> VIDEO_CARDS="$MY_TARGET_VIDEO_CARDS" \
>
> USE="${MY_TARGET_USE}" \
>
> CONFIG_PROTECT="-* ${ROOT}/etc" \
>
> emerge $PRET -v baselayout-lite
>
> ROOT="/tmp/target" \
>
> ARCH="$MY_TARGET_ARCH" \
>
> CHOST="$MY_TARGET_CHOST" \
>
> CBUILD="i686-pc-linux-gnu" \
>
> CFLAGS="$MY_TARGET_CFLAGS" \
>
> CXXFLAGS="$MY_TARGET_CFLAGS" \
>
> INPUT_DEVICES="$MY_TARGET_INPUT_DEVICES" \
>
> VIDEO_CARDS="$MY_TARGET_VIDEO_CARDS" \
>
> USE="${MY_TARGET_USE}" \
>
> CONFIG_PROTECT="-* ${ROOT}/etc" \
>
> emerge $PRET -v cross-${MY_TARGET_CHOST}/uclibc
>
> cp /tmp/target/bin/busybox /bin/busybox
>
> ROOT="/tmp/target" \
>
> ARCH="$MY_TARGET_ARCH" \
>
> CHOST="$MY_TARGET_CHOST" \
>
> CBUILD="i686-pc-linux-gnu" \
>
> CFLAGS="$MY_TARGET_CFLAGS" \
>
> CXXFLAGS="$MY_TARGET_CFLAGS" \
>
> INPUT_DEVICES="$MY_TARGET_INPUT_DEVICES" \
>
> VIDEO_CARDS="$MY_TARGET_VIDEO_CARDS" \
>
> USE="${MY_TARGET_USE} make-symlinks" \
>
> CONFIG_PROTECT="-* ${ROOT}/etc" \
>
> emerge $PRET -v busybox
>
> ROOT="/tmp/target" \
>
> ARCH="$MY_TARGET_ARCH" \
>
> CHOST="$MY_TARGET_CHOST" \
>
> CBUILD="i686-pc-linux-gnu" \
>
> CFLAGS="$MY_TARGET_CFLAGS" \
>
> CXXFLAGS="$MY_TARGET_CFLAGS" \
>
> INPUT_DEVICES="$MY_TARGET_INPUT_DEVICES" \
>
> VIDEO_CARDS="$MY_TARGET_VIDEO_CARDS" \
>
> USE="${MY_TARGET_USE} make-symlinks" \
>
> CONFIG_PROTECT="-* ${ROOT}/etc" \
>
> emerge $PRET -v busybox
>
>
>
> And this all works ok too. I can then use the built kernel and rootfs
> and PXE boot it. The problem then comes when trying to emerge
> xorg-server. I do the following:
>
>
>
> ROOT="/tmp/target" \
>
> ARCH="$MY_TARGET_ARCH" \
>
> CHOST="$MY_TARGET_CHOST" \
>
> CBUILD="i686-pc-linux-gnu" \
>
> CFLAGS="$MY_TARGET_CFLAGS" \
>
> CXXFLAGS="$MY_TARGET_CFLAGS" \
>
> INPUT_DEVICES="$MY_TARGET_INPUT_DEVICES" \
>
> VIDEO_CARDS="$MY_TARGET_VIDEO_CARDS" \
>
> USE="${MY_TARGET_USE} cross -doc" \
>
> CONFIG_PROTECT="-* ${ROOT}/etc" \
>
> emerge $PRET -v xorg-server
>
> and after emerging a few packages I get the error. Any help would be
> greatly appreciates.
>
> Thanks
>
> Ryan
>
>
>
Wow, this is fantastic! Can I take alook?
-- 
gentoo-embedded@g.o mailing list