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On 1/9/12 2:37 PM, E. H. Smith wrote:
> Hello, Fink beginner here. I'm trying to build gcc with certain
> specifications: $ sudo ../gcc-4.6.0/configure --target=$TARGET
> --prefix=$PREFIX --disable-nls --enable-languages=c,c++
> --without-headers
> 

"fink install gcc46" was too easy?

> When I run that package's configuration script, it goes through 
> checking various configuration details (build system type, C
> compiler, et cetera). However, this fails with the following
> error:
> 
> checking for the correct version of gmp.h... no configure: error:
> Building GCC requires GMP 4.2+, MPFR 2.3.1+ and MPC 0.8.0+. Try the
> --with-gmp, --with-mpfr and/or --with-mpc options to specify their
> locations.  Source code for these libraries can be found at their
> respective hosting sites as well as at 
> ftp://gcc.gnu.org/pub/gcc/infrastructure/.  See also 
> http://gcc.gnu.org/install/prerequisites.html for additional info.
> If you obtained GMP, MPFR and/or MPC from a vendor distribution
> package, make sure that you have installed both the libraries and
> the header files.  They may be located in separate packages.
> 
> Using Fink, I went through and installed (fink install) the latest 
> versions of gmp5, libmpfr4, libmpc2, and libmpc2-shlibs. If I
> again run
> 
> $ sudo ../gcc-4.6.0/configure --target=$TARGET --prefix=$PREFIX 
> --disable-nls --enable-languages=c,c++ --without-headers
> 
> I get the same problem; ditto if I run
> 
> $ sudo ../gcc-4.6.0/configure --target=$TARGET --prefix=$PREFIX 
> --disable-nls --enable-languages=c,c++ --without-headers 
> --with-gmp=/sw/include/gmp.h --with-mpfc=/sw/include/mpfr.h 
> --with-mpc=/sw/include/mpc.h
> 
> Does anyone have any suggestions? I have /sw/lib in my $PATH.

$PATH is for executables, not libraries.

> 
> Thanks in advance.
> 

Start with

http://www.finkproject.org/faq/usage-general.php?phpLang=en#compile-myself

but change the last two lines:

export PATH=/sw/var/lib/fink/path-prefix-clang:$PATH
export MACOSX_DEPLOYMENT_TARGET=10.7

It's also worth seeing what options our gcc46 package uses in its
build, e.g. via "fink dumpinfo gcc46".
- -- 
Alexander Hansen, Ph.D.
Fink User Liaison
http://finkakh.wordpress.com/
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