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Hi Vincent,
Thanks that done it lovely! I'll have to write myself a script just incase I need to do it again. Just one small problem though
Built a simple file, pretty boring really, countGPIO.c
But got some problems......
I know _start is the first op code(low level) to be executed, this is part of crt0.o I think. __main must be the start of the main executable C program. Any ideas, probably just forgot to include something?
Thanks
Nigel.
PS Vincent - I must give you a double thankyou, thanks for your time.
-----Original Message----- From: Vincent Rubiolo [SMTP:vincent.rubiolo@st.com] Sent: 12 June 2003 13:24 To: murphyn@microsense.co.uk Subject: Re: FW: Help with crossgcc and an embedded system!
Yo,
Vincent,
This is how i done it.
cd mkdir build-crossgcc && cd build-crossgcc
(I then copied in the tarballs using Xwindows to build-crossgcc
directory)
mkdir build-binutils mkdir build-gcc mkdir build-newlib export TARGET=i486-none-elf
A short point. Where did you get that target? If i look at the configuration page in gcc dir, I
can't find it (gcc-3.3/gcc/doc/configure.html)
export PREFIX=/usr/local export PATH=${PERFIX}/bin:${PATH}
(I Then decompressed the tarballs in xwindows instead of using 'tar xzvf ....' )
I suppose you mean with a graphical tool such as fileroller (gnome) or arc (kde)
cd build-binutils../binutils-2.13/configure --target=$TARGET --prefix=$PREFIX make all install 2>&1 | tee make.log cd .. cd build-gcc
BEGIN OF CHANGE 1 (see below)
../gcc-3.3/configure --target=$TARGET --prefix=$PREFIX --with-newlib --without-headers --with-gnu-as --with-gnu-ld --disable-shared --enable-languages=c make all-gcc install-gcc 2>&1 | tee make.log
END OF CHANGE 1
cd.. cd build-newlib ../newlib-1.11.0/configure --target=$TARGET --prefix=$PREFIX make all install 2>&1 | tee make.log cd..
BEGIN OF CHANGE 2
cd build-gcc && rm -rf * ../gcc-3.3/configure --target=$TARGET --prefix=$PREFIX --with-gnu-as --with-bnu-ld --enable-languages=c,c++
Typo ^ . I supppose you typed right on the command line | here
END OF CHANGE 2
make all install 2>&1 | tee make.log
I'll try and find what happen to sed.
Nigel.
Here is my suggestion. Instead of doing a two-pass configure, replace the two change blocks by the
following (modify PATH_OF_NEWLIB to suit your needs)
CHANGE 1
../gcc-3.3/configure --target=$TARGET --prefix=$PREFIX --with-newlib
--with-headers=PATH_OF_NEWLIB/newlib/libc/include --with-gnu-as --with-gnu-ld --disable-shared
--enable-languages=c,c++
make all-gcc install-gcc 2>&1 | tee make.log
END OF CHANGE 1
CHANGE 2 cd build-gcc make all install 2>&1 | tee make.log END OF CHANGE 2
This copies the headers of newlib in gcc dir and do the build straight ahead. The second pass (with
no configure) just builds what remains to be built (mainly libraries) after newlib has been set up.
BE WARNED: this may lead to not-working tools. They do work for me, but I have not tested things
such as c++ nor run the dejagnu testsuite on it
This my own recipe, hopes that helps. Tell me if it works for you
Regards, Vincent
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