<?xml version="1.0"?>
<tool_dependency>
    <package name="gnu_awk" version="4.1.0">
        <install version="1.0">
            <actions>
                <action type="download_by_url">http://ftp.gnu.org/gnu/gawk/gawk-4.1.0.tar.gz</action>
                <action type="autoconf" />
                <action type="set_environment">
                    <environment_variable name="PATH" action="prepend_to">$INSTALL_DIR/bin</environment_variable>
                </action>
            </actions>
        </install>
        <readme>
            Compiling GNU awk requires a C compiler. http://www.gnu.org/software/gawk/
        </readme>
    </package>
</tool_dependency>

<?xml version="1.0"?>
<tool_dependency>
    <package name="gnu_awk" version="4.1.0">
        <install version="1.0">
            <actions_group>
                <actions os="linux" architecture="x86_64">
                <action type="download_by_url" md5sum="13e02513105417818a31ef375f9f9f42">http://ftp.gnu.org/gnu/gawk/gawk-4.1.0.tar.gz</action>
                    <action type="autoconf" />
                </actions>
                <actions os="darwin" architecture="x86_64">
                <action type="download_by_url" md5sum="13e02513105417818a31ef375f9f9f42">http://ftp.gnu.org/gnu/gawk/gawk-4.1.0.tar.gz</action>
                    <action type="autoconf">--without-mpfr</action>
                </actions>
                <action type="set_environment">
                    <environment_variable name="PATH" action="prepend_to">$INSTALL_DIR/bin</environment_variable>
                </action>
            </actions_group>
        </install>
        <readme>
            Compiling GNU awk requires a C compiler. http://www.gnu.org/software/gawk/
        </readme>
    </package>
</tool_dependency>

Integrate an "Extrawurst" for OS-X
Integrate an "Extrawurst" for OS-X

Should fix https://github.com/galaxyproject/tools-iuc/issues/418