building fortran

Tim Prince timothyprince@sbcglobal.net
Wed Aug 23 13:58:00 GMT 2006


Vadim Gutnik wrote:
> I'm having trouble building gfortran.
> 
> I tried to build gcc-4.1.1 from source, on
> 
>> uname -a
> Linux sockeye.impinj.com 2.4.21-37.ELsmp #1 SMP Wed Sep 28 13:18:44
> EDT 2005 x86_64 x86_64 x86_64 GNU/Linux
> 
> I built a local copy of gmp and mpfr, and because I don't have root,
> put them in a nonstandard directory: /impinj/uns.
> 
> I then 
>  setenv LDFLAGS "-Wl,--rpath -Wl,/impinj/uns/amd64_2.4/lib -Wl,--rpath -Wl,/impinj/uns/amd64_2.4/lib64"
>  setenv LD_LIBRARY_PATH /impinj/uns/amd64_2.4/lib:/impinj/uns/amd64_2.4/lib64
> 
> ...make a clean build directory, and configure like this:
> ../../../src/gcc-4.1.1/configure   --prefix=/impinj/uns   \
>  --exec-prefix=/impinj/uns/amd64_2.4 --with-gmp=/impinj/uns/amd64_2.4 \
>  --with-mpfr=/impinj/uns/amd64_2.4 --disable-multilib
> 
> then run 
>  make
> 
> and 
>  make install
> 
> This all builds without error.
> 
> However, if I then 
>   unsetenv LD_LIBRARY_PATH 
> and run 
> 
>  gfortran test.F
> 
> I get 
> 
> /impinj/uns/amd64_2.4/libexec/gcc/x86_64-unknown-linux-gnu/4.1.1/f951:relocation error:
> /impinj/uns/amd64_2.4/libexec/gcc/x86_64-unknown-linux-gnu/4.1.1/f951:undefined symbol: __gmp_get_memory_functions
> 
> I also looked at:
> 
>  ldd `which gfortran`
>         libc.so.6 => /lib64/libc.so.6 (0x0000002a95682000)
>         /lib64/ld-linux-x86-64.so.2 => /lib64/ld-linux-x86-64.so.2 (0x0000002a95556000)
> 
>  
>  ldd /impinj/uns/amd64_2.4/libexec/gcc/x86_64-unknown-linux-gnu/4.1.1/f951
>         libgmp.so.3 => /usr/lib64/libgmp.so.3 (0x0000002a95682000)
>         libc.so.6 => /lib64/libc.so.6 (0x0000002a957ba000)
>         /lib64/ld-linux-x86-64.so.2 => /lib64/ld-linux-x86-64.so.2 (0x0000002a95556000)
> 
IIRC, gmp and mpfr must be built with --enable-shared.  It definitely
doesn't work to have gfortran picking up .so from a different version
from the one you installed and attempted to specify for configure.



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