#!/bin/bash

if [ "$system" = "64bit" ];
then
    CXXFLAGS_BAK=$CXXFLAGS
    CXXFLAGS="$CXXFLAGS -m64"
    export CXXFLAGS
    export CFLAGS=$CXXFLAGS
fi

if [ "$make_install" = "yes" ]; 
then
  install_prefix=$SIMPATH_INSTALL
else
  install_prefix=$SIMPATH/basics/gsl
fi
checkfile=$install_prefix/lib/libgsl.a

if (not_there gsl $checkfile);
then
    cd $SIMPATH/basics
    untar gsl $GSLVERSION.tar.gz
    ln -s $GSLVERSION gsl
    cd gsl
    if [ "$arch" == "solarisCC5" ];then
      CFLAGS_BAK=$CFLAGS
      CFLAGS="$CFLAGS -DGSL_C99_INLINE"
      export CFLAGS
    fi 
    ./configure --prefix=$install_prefix  --with-pic --libdir=$install_prefix/lib
    if [ "$arch" == "solarisCC5" ];then
      CFLAGS=$CFLAGS_BAK
      export CFLAGS
    fi
    if [ "$compiler" == "PGI" ];then
      mysed "#define HAVE_INLINE 1" "#undef HAVE_INLINE" config.h
    fi
    $MAKE_command -j$number_of_processes
  #make check > log 2>&1
    $MAKE_command install -j$number_of_processes

    if [ "$platform" = "macosx" ];
    then
      cd  $install_prefix/lib
      create_links dylib so
    fi
    
    check_all_libraries  $install_prefix/lib

    check_success gsl $checkfile
    check=$?
    
fi

if [ "$system" = "64bit" ];
then
  CXXFLAGS=$CXXFLAGS_BAK
  export CXXFLAGS
  export CFLAGS=$CXXFLAGS
fi

cd $SIMPATH

return 1