LN AC_PROG_LN_S AWK AC_PROG_AWK CC AC_PROG_CC CPP AC_PROG_CPP CXX AC_PROG_CXX INSTALL AC_PROG_INSTALL LEX AC_PROG_LEX RANLIB AC_PROG_RANLIB YACC AC_PROG_YACC BISON AC_PROG_YACC MAKE AC_PROG_MAKE_SET