Re: [ESPResSo] compilation on AIX

[Olaf Lenz]

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Hello!

After I have done some tests myself, I can now give you detailed
instructions on how to compile ESPResSo on JUMP.
The first problem is to install Tcl correctly. The Tcl implementation
found in

        /usr/local/beta/tcl

does not seem to work, therefore you'll have to compile it yourself.
However, this is pretty easy - when you know the right options to give
to the configure script. Here they are:

* unpack it
* configure it with

  CC=xlc ./configure --prefix=$HOME/espresso --enable-64bit --disable-load

# Short description:
# CC=xlc                set the right compiler
# --enable-64bit        64 bit mode
# --disable-load        build static libraries

* compile it with

  make
  make install

Now you can compile ESPResSo:

* unpack it
* configure it

  ./configure \
    --host=Power4mpi-ibm-aix \
    CC=mpCC \
    CFLAGS="-q64" \
    CPPFLAGS="-I$HOME/espresso/include" \
    LDFLAGS="-L$HOME/espresso/lib"

# Short description:
# --host=...    cross-compile (to avoid tests that run compiled programs)
# CC=mpCC       set the right compiler
# CPPFLAGS=...  set the include path for Tcl
# LDFLAGS=...   set the lib path for Tcl

* compile it:

  make

on JUMP you can actually even use "make -j" which will build ES in 5
seconds.

I hope that works. In case of trouble, contact me.

Best regards
        Olaf
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