Re: [avr-libc-dev] RE: Probs building avr-gcc

Rick Altherr Sun, 14 Oct 2007 09:27:01 -0700

You need to install the gmp library (http://gmplib.org/).
--
Rick Altherr
[EMAIL PROTECTED]

"He said he hadn't had a byte in three days. I had a short, so I split it with him."

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On Oct 11, 2007, at 1:05 AM, leehj wrote:


Added more complete error from config.log in Build (objdir) folder


configure:2341:17: error: gmp.h: No such file or directory
configure: In function 'main':
configure:2345: error: 'choke' undeclared (first use in this function)

configure:2345: error: (Each undeclared identifier is reported only once

configure:2345: error: for each function it appears in.)
configure:2345: error: expected ';' before 'me'
configure: failed program was:
#line 2340 "configure"
#include "confdefs.h"
#include "gmp.h"
int main() {

#if __GNU_MP_VERSION < 4 || (__GNU_MP_VERSION == 4 && __GNU_MP_VERSION_MINOR

< 1)
choke me
#endif



Thanks
-Jason
Hi,

I have actually have the same error of :-

configure:2341:17: error: gmp.h: No such file or directory

when I tried compiling gcc-4.2.1 with a separate BUILD folder apart from its

source file folder.

I did ../configure --prefix=/local/gcc/gcc-4.2.1/

but when I do a make bootstrap, the above error is displayed in config.log.

And i just coudl not proceed. Please advise what I could do.



Thanks.

Rgrds,
Jason

Eric Weddington wrote:

-----Original Message-----
From: Rich Teer [mailto:[EMAIL PROTECTED]
Sent: Friday, August 31, 2007 5:00 PM
To: Eric Weddington
Cc: [email protected]
Subject: RE: [avr-libc-dev] Probs building avr-gcc

On Wed, 29 Aug 2007, Eric Weddington wrote:

Wow! You're one of the few pioneers to build and use the

AVR toolchain on

Solaris!


Cool!  :-)

Considering that binutils 2.18 just came out *yesterday*,

and the other

distro maintainers (myself and Joerg Wunsch) haven't had a

chance to try it

out yet, you would be going into new territory. A slightly

safer bet is to

use binutils 2.17 with gcc 4.2.1. That combination has had

a bit more

traffic.

binutils 2.18 compiled and installed without fuss, so I'm pretty sure

that's not the problem.

The most common build error is configuring gcc in its own

source directory.

But you're following the directions in the avr-libc user

manual, so I assume

that you have avoided doing this? Was your configuration successful?


Yes, and I think so.

Can you attach the output from configure and from make so

we can have more

context?


Here it is; I'm installing into /usr/local, so I don't set $PREFIX.
NOte that I use gmake instead of make.  Take a deep breath 'cause
there's lots of it!  :-)

[EMAIL PROTECTED] pwd
/home/rich/tools/gcc-4.2.1
[EMAIL PROTECTED] mkdir obj-avr
[EMAIL PROTECTED] cd obj-avr
[EMAIL PROTECTED] ../configure --target=avr
--enable-languages=c --disable-nls --disable-libssp --with-dwarf2
creating cache ./config.cache
checking host system type... i386-pc-solaris2.11
checking target system type... avr-unknown-none
checking build system type... i386-pc-solaris2.11
checking for a BSD compatible install... /usr/bin/ginstall -c
checking whether ln works... yes
checking whether ln -s works... yes
checking for gcc... gcc
checking whether the C compiler (gcc  ) works... yes
checking whether the C compiler (gcc  ) is a cross-compiler... no
checking whether we are using GNU C... yes
checking whether gcc accepts -g... yes
checking for gnatbind... no
checking whether compiler driver understands Ada... no
checking how to compare bootstrapped objects... cmp $$f1 $$f2 16 16
checking for correct version of gmp.h... no


GCC now depends on the GMP and MPFR packages.
<http://gmplib.org/>
<http://www.mpfr.org/>

Building and installation of these libraries is pretty easy. MPFR depends

on
GMP, so build GMP first:

./configure --disabled-shared 2>&1 | tee gmp-configure.log
make         2>&1 | tee gmp-make.log
make check   2>&1 | tee gmp-make-check.log
make install 2>&1 | tee gmp-make-install.log

Then MPFR:

./configure --with-gmp=/usr/local --disable-shared 2>&1 | tee
mpfr-configure.log
make         2>&1 | tee mpfr-make.log
make check   2>&1 | tee mpfr-make-check.log
make install 2>&1 | tee mpfr-make-install.log

Then you have to tell GCC where these libraries reside, during the
configure
process:

../gcc-$version/configure \
   --prefix=$installdir \
   --target=$target \
   --enable-languages=c,c++,objc \
   --with-dwarf2 \
   --enable-win32-registry=WinAVR-$release \
   --disable-nls \
   --with-gmp=/usr/local \
   --with-mpfr=/usr/local \
   --enable-doc \
   --disable-shared \
   2>&1 | tee $package-configure.log

(Ignore the win32/WinAVR flag. And don't build the objc front-end without

the patch I have.)

See if this gets you any farther.

HTH,
Eric Weddington




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