I suspect your LD_LIBRARY_PATH does not include wherever you installed the
gcc libs (/home/rpeng/install/gcc/lib?) and g77 >= 3.1 uses a shared
libg2c. (It also uses a shared libgcc_s.)
In that case running anything built with g77 will not work, and configure
does not actually check that.
You can also get around this by specifying LDFLAGS: to get 64-bit Solaris
builds to work with gcc 3.2 I had to use
LDFLAGS="-L/usr/local/lib/sparcv9 -L/usr/local/lib"
which is how I know about this (and I really expected gcc to sort that out
for me: the Sun compilers do).
On Sat, 31 Aug 2002, Roger Peng wrote:
> Has anyone tried to build r-devel on a RedHat 7.1 with the gcc 3.1.1
> compiler? I didn't have problems with gcc 2.95.x or gcc 3.0.4, but
when I
> ran the configure with gcc 3.1.1 I got the following error:
>
> [...]
> checking whether gcc accepts -M for generating dependencies... yes
> checking whether gcc supports -c -o FILE.lo... yes
> checking how to get verbose linking output from g77... -v
> checking for Fortran 77 libraries... -L/home/rpeng/install/atlas
> -L/home/rpeng/install/gcc/lib/gcc-lib/i686-pc-linux-gnu/3.1.1
> -L/home/rpeng/install/gcc/lib/gcc-lib/i686-pc-linux-gnu/3.1.1/../../..
> -lreadline -ldl -lncurses -lfrtbegin -lg2c -lm -lgcc_s
> checking for dummy main to link with Fortran 77 libraries... none
> checking for Fortran 77 name-mangling scheme... lower case, underscore,
> extra underscore
> checking whether g77 and gcc agree on int and double... configure:
> WARNING: g77 and gcc disagree on int and double
> configure: error: Maybe change CFLAGS or FFLAGS?
>
>
> Should I have set some configuration option? Or is this more likely a
> problem with my gcc installation/build?
>
> I'm trying to build r-devel (8/30/02) source.
>
>
> --------------------
>
> marla:> gcc -v
> Reading specs from
> /home/rpeng/install/gcc/lib/gcc-lib/i686-pc-linux-gnu/3.1.1/specs
> Configured with: ../gcc-3.1.1/configure --prefix=/home/rpeng/install/gcc
> Thread model: single
> gcc version 3.1.1
>
>
> -roger
> _______________________________
> UCLA Department of Statistics
> rpeng@stat.ucla.edu
> http://www.stat.ucla.edu/~rpeng
>
>
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--
Brian D. Ripley, ripley@stats.ox.ac.uk
Professor of Applied Statistics, http://www.stats.ox.ac.uk/~ripley/
University of Oxford, Tel: +44 1865 272861 (self)
1 South Parks Road, +44 1865 272860 (secr)
Oxford OX1 3TG, UK Fax: +44 1865 272595
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