1PHP_ARG_ENABLE([sysvmsg], 2 [whether to enable System V IPC support], 3 [AS_HELP_STRING([--enable-sysvmsg], 4 [Enable sysvmsg support])]) 5 6if test "$PHP_SYSVMSG" != "no"; then 7 AC_CHECK_HEADER([sys/msg.h], 8 [], 9 [AC_MSG_ERROR([Cannot enable System V IPC support, sys/msg.h is missing]) 10 ]) 11 12 AC_DEFINE(HAVE_SYSVMSG, 1, [ ]) 13 PHP_NEW_EXTENSION(sysvmsg, sysvmsg.c, $ext_shared) 14fi 15