bashrc-span

function trim_spaces(){
    local string="$1"
    # ${a## } or ${a%% } doesn't work! (in bash 4.3).
    string="$(echo "$string" | sed -e 's/^ *//' -e 's/ *$//')"
    echo -n "${string}"
}

function trim_colons(){
    local string="$1"
    string="$(echo "$string" | sed -e 's/^:*//' -e 's/:*$//')"
    echo -n "${string}"
}

function set_gcc_env(){
    gcc_prefix="/usr/local/gcc"
    export CC="${gcc_prefix}/bin/gcc"
    export GSS_ROOT_DIR="/usr"
    export GSS_ROOT_FLAVOUR="MIT"
    export PATH=$(trim_colons "${gcc_prefix}/bin:${PATH}")
    export CFLAGS=$(trim_spaces "-I${gcc_prefix}/include ${CFLAGS:-}")
    export CXXFLAGS=$(trim_spaces "-I${gcc_prefix}/include ${CXXFLAGS:-}")
    export LDFLAGS=$(trim_spaces "-L${gcc_prefix}/lib64 -L${gcc_prefix}/lib ${LDFLAGS:-}")
    export LD_LIBRARY_PATH="${gcc_prefix}/lib64:${gcc_prefix}/lib:/usr/local/lib64:/usr/local/lib:/usr/lib:/lib"
    export DYLD_LIBRARY_PATH="${LD_LIBRARY_PATH}"
    export PKG_CONFIG_PATH="${gcc_prefix}/lib/pkgconfig:/usr/local/lib/pkgconfig:/usr/lib/pkgconfig:/usr/share/pkgconfig:/usr/lib/x86_64-linux-gnu/pkgconfig"
}

set_gcc_env