<tool_dependency>
    <package name="lapack" version="3.4.2">
        <install version="1.0">
            <actions>
                <!-- first action is always downloading -->
                <action type="download_by_url">http://www.netlib.org/lapack/lapack-3.4.2.tgz</action>

                <action type="shell_command">sed 's/^OPTS\s.*/OPTS     = -O2 -fPIC/g' INSTALL/make.inc.gfortran  | sed  's/^NOOPT\s.*/OPTS     = -O2 -fPIC/g'  > make.inc</action>
                <action type="shell_command">mkdir build</action>
                <action type="shell_command">cd build &amp;&amp; cmake .. -DCMAKE_INSTALL_PREFIX=$INSTALL_DIR/lapack</action>
                <action type="shell_command">cd build &amp;&amp; make</action>
                <action type="shell_command">cd build &amp;&amp; make install</action>

                <action type="set_environment">
                    <environment_variable name="LAPACK_LIB_DIR" action="set_to">$INSTALL_DIR/lapack/lib</environment_variable>
                </action>
            </actions>
        </install>
        <readme>LAPACK requires gcc and gfortran. LAPACK_LIB_DIR will be set (including liblapack.a and libblas.a). </readme>
    </package>
</tool_dependency>