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Commit a1592799 authored by Marc Ariberti's avatar Marc Ariberti
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* cross-compilation doc : work in progress

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doc/arm-crosscompile-howto.sgml
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......@@ -15,6 +15,11 @@
<sect>
<heading>Introduction</heading>
<p>
This document is only a first draft. It does not intend to cover all the
subject. You may still have some problems at some steps or find better
way to do them. If you have any comment do not hesitate to contact us.
</p>
<sect1>
<heading>Which platforms are targeted ?</heading>
<p>
......@@ -58,25 +63,52 @@
<sect1>
<heading>Prerequisite</heading>
<sect2>
<heading></heading>
<heading>Importants paths</heading>
<p>
During this section, we will use the following variables :
<itemize>
<item><bf>${PREFIX}</bf> will designate where you want to install
your toolchain (eg: <tt>/usr/local/arm/2.95.3</tt>).</item>
<item><bf>${SRCDIR}</bf> will designate the directory where
sources will be uncompressed
(eg: <tt>/usr/src</tt> or <tt>/home/foobar/cross-arm</tt>).</item>
</itemize>
During this section, we will use the following paths :
</p>
<p>I would personally advise to compile everything as a normal user and
then install everything as root.</p>
<sect3>
<heading>${SRCDIR}</heading>
<p>
This is where the sources will be located and where the compilation
will be done.
(eg: <tt>/usr/src</tt> or <tt>/home/foobar/arm-src</tt>).
</p>
</sect3>
<sect3>
<heading>${PREFIX}</heading>
<p>This is where you want to install your cross compilation toolchain.
It can be either installed system-wide (in <tt>/usr/local/arm/2.95.3</tt> for example). Installation steps (i.e. <tt>make install</tt>) will have
to be done as <tt>root</tt>.
Or it can be installed in user-land, for the user's own use (<tt>/home/foobar/arm/2.95.3</tt> for example).
In this paper, the chosen prefix is <tt>/usr/local/arm/2.95.3</tt>,
you will have to adapt the commands to what you choose..
</p>
</sect3>
</sect2>
<sect2>
<heading>Files needed</heading>
<p>Download the following files and put them in the <bf>${SRCDIR}</bf> :
<p>Download the following files and put them in the <bf>${SRCDIR}</bf>.
Most of them are available on the <htmlurl url="http://www.videolan.org/vlc/download-sources.html" name="VideoLAN website">.
<itemize>
<item><tt>binutils-2.11.2.tar.gz</tt></item>
<item><tt>linux-2.4.19.tar.bz2</tt></item>
<item><tt>patch-2.4.19-rmk4.bz2</tt></item>
<item><tt>gcc-2.95.3.tar.gz</tt></item>
<item><tt>gcc-2.95.3.diff.bz2</tt></item>
<item><tt>gcc-2.95.3.diffbis.bz2</tt></item>
<item><tt>gcc-2.95.3.diff2</tt></item>
<item><tt>glibc-2.2.5.tar.gz</tt></item>
<item><tt>glibc-linuxthreads-2.2.5.tar.gz</tt></item>
<item><tt>SDL-1.2.5.tar.gz</tt></item>
<item><tt>glib-1.2.10.tar.gz</tt></item>
<item><tt>ffmpeg.tar.gz</tt></item>
<item><tt>mad-0.14.2b.tar.gz</tt></item>
<item><tt>flac-1.1.0.tar.gz</tt></item>
<item><tt>libdvbpsi-0.1.2.tar.gz</tt></item>
<item><tt>a52dec-0.7.4.tar.gz</tt></item>
</itemize>
</p>
</sect2>
......@@ -85,12 +117,11 @@
<heading>Binutils</heading>
<p>Compiling binutils is pretty simple :
<tscreen><verb>
% tar xzf binutils-2.11.2.tar.gz
% cd binutils-2.11.2
% ./configure --target=arm-linux --prefix=/usr/local/arm/2.95.3
% make
% su
# make install
tar xzf binutils-2.11.2.tar.gz
cd binutils-2.11.2
./configure --target=arm-linux --prefix=/usr/local/arm/2.95.3
make
make install
</verb></tscreen>
</p>
</sect1>
......@@ -98,35 +129,41 @@
<heading>Preparing linux kernel</heading>
<p>
<tscreen><verb>
% tar xzf linux-2.4.19.tar.bz2
% bunzip2 patch-2.4.19-rmk4.bz2
% cd linux-2.4.19
% patch -p1 &lt; ../patch-2.4.19-rmk4.bz2
% make clean ARCH=arm CROSS_COMPILE=arm-linux-
% make ARCH=arm h3600_config
!!! don't forget to save the configuration even if no changes are made
% make ARCH=arm menuconfig
% make symlinks ARCH=arm CROSS_COMPILE=arm-linux-
% mkdir -p /usr/local/arm/2.95.3/arm-linux/include
% cp -Rf include/asm include/asm-arm include/linux /usr/local/arm/2.95.3/arm-linux/include
% cd /usr/local/arm/2.95.3/arm-linux
% ln -s include sys-linux
tar xzf linux-2.4.19.tar.bz2
bunzip2 patch-2.4.19-rmk4.bz2
cd linux-2.4.19
patch -p1 &lt; ../patch-2.4.19-rmk4.bz2
make clean ARCH=arm CROSS_COMPILE=arm-linux-
make ARCH=arm h3600_config
</verb></tscreen>
<bf>Do not forget</bf> to save the configuration even if no changes
are made !
<tscreen><verb>
make ARCH=arm menuconfig
make symlinks ARCH=arm CROSS_COMPILE=arm-linux-
mkdir -p /usr/local/arm/2.95.3/arm-linux/include
cp -Rf include/asm include/asm-arm include/linux \
/usr/local/arm/2.95.3/arm-linux/include
cd /usr/local/arm/2.95.3/arm-linux
ln -s include sys-linux
</verb></tscreen>
</p>
</sect1>
<sect1>
<heading>Basic cross compiler (gcc)</heading>
<p>
tar xvzf gcc-2.95.3.tar.gz
bunzip2 gcc-2.95.3.diff.bz2
bunzip2 gcc-2.95.3.diffbis.bz2
patch -p1 -d gcc-2.95.3 &lt; gcc-2.95.3.diff
patch -p1 -d gcc-2.95.3 &lt; gcc-2.95.3.diffbis
cd gcc-2.95.3
./configure --target=arm-linux --disable-threads --enable-languages=c --prefix=/usr/local/arm/2.95.3 --with-headers=linux-2.4.19/include
make
make install
<tscreen><verb>
tar xvzf gcc-2.95.3.tar.gz
bunzip2 gcc-2.95.3.diff.bz2
bunzip2 gcc-2.95.3.diffbis.bz2
patch -p1 -d gcc-2.95.3 &lt; gcc-2.95.3.diff
patch -p1 -d gcc-2.95.3 &lt; gcc-2.95.3.diffbis
cd gcc-2.95.3
./configure --target=arm-linux --disable-threads --enable-languages=c \
--prefix=/usr/local/arm/2.95.3 --with-headers=linux-2.4.19/include
make
make install
</verb></tscreen>
</p>
</sect1>
......@@ -134,102 +171,171 @@
<heading>Compiling glibc</heading>
<p>
Depending on your target, you may choose another glibc version (eg: 2.1.3 for linupy 1.4)
tar xvzf glibc-2.2.5.tar.gz
cd glibc-2.2.5
tar xvzf ../glibc-linuxthreads-2.2.5.tar.gz
CC=arm-linux-gcc ./configure arm-linux --target=arm-linux --prefix=/usr/local/arm/2.95.3/arm-linux --enable-add-ons
<tscreen><verb>
tar xvzf glibc-2.2.5.tar.gz
cd glibc-2.2.5
tar xvzf ../glibc-linuxthreads-2.2.5.tar.gz
CC=arm-linux-gcc ./configure arm-linux --target=arm-linux \
--prefix=/usr/local/arm/2.95.3/arm-linux --enable-add-ons
</verb></tscreen>
The following step is quite long !
The following step is quite long !
CC=arm-linux-gcc make
<tscreen><verb>
CC=arm-linux-gcc make
</verb></tscreen>
If you have problems compiling glibc due to pread/pwrite, edit sysdeps/unix/sysv/linux/kernel-features.h
and turn __ASSUME_PREAD_SYSCALL and __ASSUME_PWRITE_SYSCALL from 1 to 0.
If you have problems compiling glibc due to pread/pwrite, edit <tt>sysdeps/unix/sysv/linux/kernel-features.h</tt>
and turn <tt>__ASSUME_PREAD_SYSCALL</tt> and
<tt>__ASSUME_PWRITE_SYSCALL</tt> from 1 to 0.
CC=arm-linux-gcc make install
<tscreen><verb>
CC=arm-linux-gcc make install
</verb></tscreen>
</p>
</sect1>
<sect1>
<heading>Full cross compiler (gcc)</heading>
rm -Rf gcc-2.95.3
tar xvzf gcc-2.95.3.tar.gz
patch -p1 -d gcc-2.95.3 &lt; gcc-2.95.3.diff
patch -p1 -d gcc-2.95.3 &lt; gcc-2.95.3.diff2
cd gcc-2.95.3
./configure --target=arm-linux --prefix=/usr/local/arm/2.95.3
make
make install
<p>
<tscreen><verb>
rm -Rf gcc-2.95.3
tar xvzf gcc-2.95.3.tar.gz
patch -p1 -d gcc-2.95.3 &lt; gcc-2.95.3.diff
patch -p1 -d gcc-2.95.3 &lt; gcc-2.95.3.diff2
cd gcc-2.95.3
./configure --target=arm-linux --prefix=/usr/local/arm/2.95.3
make
make install
</verb></tscreen>
</p>
</sect1>
<sect1>
<heading>Compiling linux kernel</heading>
</sect1>
<sect1>
<heading>Misc</heading>
Add /usr/local/arm/2.95.3/bin to your PATH. Add the following line (depends on your shell)
<p>
Add <tt>/usr/local/arm/2.95.3/bin</tt> to your PATH. Add the following line (depends on your shell)
to your shell's configuration file :
export PATH=/usr/local/arm/2.95.3/bin:$PATH
<tscreen><verb>
export PATH=/usr/local/arm/2.95.3/bin:$PATH
</verb></tscreen>
I would advise you to completely log out and then log in again, so that
the change would be taken into account. You can now check that when you
type <tt>arm-linux-gcc</tt>, it launches the cross-compiler.
</p>
<p>
Next are some packages that you may compile by yourself, but I found
it was easier to use the precompiled packages. You can take them
at <htmlurl url="http://ipkgfind.handhelds.org/" name="ipkgfind">.
You may find packages with other version numbers which should not be
a problem.
<descrip>
<tag><tt>libgcc1_3.1.1-1_arm.ipk</tt></tag>
This provides libgcc.so.1 which is needed to compile some libraries.
<tag><tt>xlibs_4.1-5_arm.ipk</tt>, <tt>xlibs-dev_4.1.0-16_arm.ipk</tt></tag>
Those are the libraries ans the development files for X windows.
<tag><tt>zlib1g_1.1.4-3_arm.ipk</tt>, <tt>zlib1g-dev_1.1.3-fam1_arm.ipk</tt></tag>
These libraries are needed by some libraries to compile.
</descrip>
cp libgcc_s.so.1 /usr/local/arm/2.95.3-new/arm-linux/lib
Install these packages on your compiler box in <tt>/usr/local/arm/2.95.3/arm-linux</tt> :
You can use the script <tt>install.sh</tt> :
<tscreen><verb>
#!/bin/sh
# script to install .ipk into the arm-toolchain
# usage : ./install.sh foobar.ipk
Install theses packages on your compiler box in /usr/local/arm/2.95.3/arm-linux
xlibs_4.1-5_arm.ipk
xlibs-dev_4.1.0-16_arm.ipk
zlib1g_1.1.4-3_arm.ipk
zlib1g-dev_1.1.3-fam1_arm.ipk
if ! tar xvzf $1 2> /dev/null
then
ar xv $1 2> /dev/null
fi
cp data.tar.gz /usr/local/arm/2.95.3/arm-linux
cd /usr/local/arm/2.95.3/arm-linux
tar xvzf data.tar.gz
</verb></tscreen>
</p>
</sect1>
</sect>
<sect>
<heading>Cross compiling libraries needed by vlc</heading>
<p>
Download <tt>ipaq-config.site</tt> to ${SOURCES}.
When downloading source tarballs copy them to your ${SOURCES} directory.
Each section is supposed to begin with <tt>cd ${SOURCES}</tt>.
</p>
<sect1>
<heading>SDL</heading>
!!!! beurk but did not found a better working method
tar xvzf SDL-1.2.5.tar.gz
cd SDL-1.2.5
<p>
It is not clean at all but did not found a better working method.
Using config.site
it compiles well, but when linking with vlc there are problems !
</p>
<p>
<tt>/usr/local/arm/2.95.3/arm-linux/bin</tt> should contain the cross
compiler without the prefix <tt>arm-linux-</tt>.
<tscreen><verb>
tar xvzf SDL-1.2.5.tar.gz
cd SDL-1.2.5
./configure --enable-release --target=arm-linux --host=arm-linux \
--disable-esd \
--prefix=/usr/local/arm/2.95.3/arm-linux/usr \
--x-includes=/usr/local/arm/2.95.3/arm-linux/usr/X11R6/include \
--x-libraries=/usr/local/arm/2.95.3/arm-linux/usr/X11R6/lib \
--disable-video-opengl
export PATH=/usr/local/arm/2.95.3/arm-linux/bin:$PATH
export PATH=/usr/local/arm/2.95.3/arm-linux/bin:$PATH
make && make install
</verb></tscreen>
</p>
</sect1>
<sect1>
<heading>Glib/GTK+</heading>
tar xvzf glib-1.2.10.tar.gz
cd glib-1.2.10
CONFIG_SITE=../ipaq-config.site ./configure --prefix=/usr/local/arm/2.95.3/arm-linux/usr
make
make install
cd ..
tar xvzf gtk+-1.2.10.tar.gz
cd gtk+-1.2.10
CONFIG_SITE=../ipaq-config.site ./configure --prefix=/usr/local/arm/2.95.3/arm-linux/usr --with-glib=../glib-1.2.10
make
make install
<p>
<tscreen><verb>
tar xvzf glib-1.2.10.tar.gz
cd glib-1.2.10
CONFIG_SITE=../ipaq-config.site ./configure \
--prefix=/usr/local/arm/2.95.3/arm-linux/usr
make
make install
cd ..
tar xvzf gtk+-1.2.10.tar.gz
cd gtk+-1.2.10
CONFIG_SITE=../ipaq-config.site ./configure \
--prefix=/usr/local/arm/2.95.3/arm-linux/usr --with-glib=../glib-1.2.10
make
make install
</verb></tscreen>
</p>
</sect1>
<sect1>
<heading>ffmpeg</heading>
tar xvzf ffmpeg.tar.gz
cd ffmpeg
./configure --cpu=armv4l --cc=arm-linux-gcc --disable-mmx --prefix=/usr/local/arm/2.95.3/arm-linux/usr --enable-shared
cd libavcodec
make
<p>
<tscreen><verb>
tar xvzf ffmpeg.tar.gz
cd ffmpeg
./configure --cpu=armv4l --cc=arm-linux-gcc --disable-mmx \
--prefix=/usr/local/arm/2.95.3/arm-linux/usr --enable-shared
cd libavcodec
make
</verb></tscreen>
Vlc does not require that you install ffmpeg.
</p>
</sect1>
<sect1>
<heading>mad</heading>
tar xvzf mad-0.14.2b.tar.gz
cd mad-0.14.2b
<p>
<tscreen><verb>
tar xvzf mad-0.14.2b.tar.gz
cd mad-0.14.2b
./configure --enable-release --target=arm-linux --host=arm-linux \
--disable-esd \
--prefix=/usr/local/arm/2.95.3/arm-linux/usr \
......@@ -237,74 +343,103 @@ make && make install
--x-libraries=/usr/local/arm/2.95.3/arm-linux/usr/X11R6/lib \
--disable-video-opengl
export PATH=/usr/local/arm/2.95.3/arm-linux/bin:$PATH
make
make
</verb></tscreen>
</p>
</sect1>
<sect1>
<heading>gpe</heading>
</sect1>
%%%%%%%%%%%%%%%%%%%%%%%
First get Tremor and ogg sources from xiph.org (through CVS for example).
Then for each them, do :
% ./configure --enable-release --prefix=/usr/local/arm/2.95.3/arm-linux
% export PATH=/usr/local/arm/2.95.3/arm-linux/bin:$PATH
% make
% su
# make install
I know it is not clean, but --host or --target switches does not work.
The PATH I include, contains all the gcc utils for cross compilation
without the arm-linux- prefix.
If you want to link them statically : edit the libvorbisidec.a and remove
from the archive bitwise.o and framing.o (conflict with libogg.a)
For flac, get the source tarball (from the videolan website for example)
% ./configure --enable-release --host=arm-linux --target=arm-linux
--prefix=/usr/local/arm/2.95.3/arm-linux
% make
-> will fail (xmms plugin), but not a problem, continue installation by hand
% su
# cp -Rf include/FLAC /usr/local/arm/2.95.3/arm-linux/include
# cd src/libFLAC
# make install
When compiling vlc, add to the ./configure :
--enable-ogg
--enable-tremor
--enable-flac
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
<sect1>
<heading>tremor</heading>
<p>
Tremor is an integer decoder for the vorbis audio codec. Download the
source through CVS at the <htmlurl url="http://www.xiph.org" name="xiph.org"> website.
</p>
<p>
Log into CVS using the password : <tt>anoncvs</tt>.
<tscreen><verb>
cvs -d :pserver:anoncvs@xiph.org:/usr/local/cvsroot login
cvs -d :pserver:anoncvs@xiph.org:/usr/local/cvsroot co Tremor
cd Tremor
CONFIG_SITE=../ipaq-config.site ./configure \
--prefix=/usr/local/arm/2.95.3/arm-linux/usr
make
</verb></tscreen>
</p>
</sect1>
<sect1>
<heading>ogg</heading>
<p>
For ogg, it is the same as Tremor.
<tscreen><verb>
cvs -d :pserver:anoncvs@xiph.org:/usr/local/cvsroot login
cvs -d :pserver:anoncvs@xiph.org:/usr/local/cvsroot co ogg
cd ogg
CONFIG_SITE=../ipaq-config.site ./configure \
--prefix=/usr/local/arm/2.95.3/arm-linux/usr
make
</verb></tscreen>
</p>
</sect1>
<sect1>
<heading>flac</heading>
<p>
<tscreen><verb>
tar xvzf flac-1.1.0.tar.gz
cd flac-1.1.0
./configure --enable-release --host=arm-linux --target=arm-linux \
--prefix=/usr/local/arm/2.95.3/arm-linux/usr
</verb></tscreen>
It will probably fail (due to the xmms plugin), but it is not a problem,
we will continue installation by hand.
<tscreen><verb>
cp -Rf include/FLAC /usr/local/arm/2.95.3/arm-linux/include
cd src/libFLAC
make install
</verb></tscreen>
</p>
</sect1>
<sect1>
<heading>libdvbpsi</heading>
tar xvzf libdvbpsi-0.1.2.tar.gz
cd libdvbpsi-0.1.2
./bootstrap
./configure --target=arm-linux --host=arm-linux
make
<p>
<tscreen><verb>
tar xvzf libdvbpsi-0.1.2.tar.gz
cd libdvbpsi-0.1.2
./bootstrap
./configure --target=arm-linux --host=arm-linux
make
</verb></tscreen>
</p>
</sect1>
<sect1>
<heading>a52</heading>
tar xvzf a52dec-0.7.4.tar.gz
cd a52dec-0.7.4
./configure --enable-release --host=arm-linux --target=arm-linux --prefix=/usr/local/arm/2.95.3/arm-linux
make && make install
<p>
<tscreen><verb>
tar xvzf a52dec-0.7.4.tar.gz
cd a52dec-0.7.4
./configure --enable-release --host=arm-linux --target=arm-linux \
--prefix=/usr/local/arm/2.95.3/arm-linux/usr
make && make install
</verb></tscreen>
</p>
</sect1>
</sect>
<sect>
<heading>Cross compiling vlc itself</heading>
have a look rules.* in the ipkg directory.
<p>
First of all, run the <tt>./bootstrap</tt> script.
Then run one of the <tt>ipkg/rules.*</tt>, according to what you want to compile.
Finally you just have to type make and you'll get a stand alone vlc.
</p>
<p>
Run <tt>arm-linux-strip</tt> to remove symbols and so the size of the file,
and now you can test it easily on your PDA.
</p>
<p>
Enjoy !
</p>
</sect>
</article></linuxdoc>
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