print "--extraldflags=\tadd extra linking options to default LDFLAGS settings. (Default: none)\n";
print "--objdir=\tspecify directory where to store object files. (Defaults: current build dir)\n";
print "--incdir=\tthe base directory for include files. (Default: {prefix}/include)\n";
print "--ccsincdir=\tthe base directory for ccs include files. (Default: ./config/libs/libccsconfdb)\n";
print "--ccslibdir=\tthe base directory for ccs libraries. (Default: ./config/libs/libccsconfdb)\n";
print "--cmanincdir=\tthe base directory for cman include files. (Default: ./cman/lib)\n";
print "--cmanlibdir=\tthe base directory for cman libraries. (Default: ./cman/lib)\n";
print "--logtincdir=\tthe base directory for logthread include files. (Default: ./common/liblogthread)\n";
print "--logtlibdir=\tthe base directory for logthread libraries. (Default: ./common/liblogthread)\n";
print "--openaisincdir=\tthe base directory for openais include files. (Default: {incdir})\n";
print "--openaislibdir=\tthe base directory for openais libraries. (Default: {libdir}/openais)\n";
print "--nssincdir=\tthe base directory for libnss include files. (Default: {incdir}/nss3)\n";
print "--nsslibdir=\tthe base directory for libnss libraries. (Default: {libdir})\n";
print "--nsprincdir=\tthe base directory for libnspr include files. (Default: {incdir}/nspr4)\n";
print "--nsprlibdir=\tthe base directory for libnspr libraries. (Default: {libdir})\n";
print "--virtincdir=\tthe base directory for libvirt include files. (Default: {incdir}/libvirt)\n";
print "--virtlibdir=\tthe base directory for libvirt libraries. (Default: {libdir})\n";
print "--fence_agents=\tlist of fence agents to configure. (Default: all)\n";
print "\t\tUse --fence_agents=help for a list\n";
print "--fenceagentslibdir=\tspecify directory where to install common fence python lib. (Default: /usr/share/fence)\n";
print "--enable_crack_of_the_day\tEnable build of highly experimental features that rely on code that is not yet available for general use. (Default: no)\n";
print "--enable_legacy_code\tEnable build of old/obsolete/unsupported code/tools. (Default: no)\n";
print "--enable_virt\tEnable building of virtualization code (Default: disabled)\n";