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 "$PHP_SYSVMSG" != "no"; then 7 AC_CHECK_HEADER([sys/msg.h],, 8 [AC_MSG_FAILURE(m4_text_wrap([ 9 Cannot enable System V IPC support. Required <sys/msg.h> header file not 10 found. 11 ]))]) 12 13 AC_DEFINE([HAVE_SYSVMSG], [1], 14 [Define to 1 if the PHP extension 'sysvmsg' is available.]) 15 PHP_NEW_EXTENSION([sysvmsg], [sysvmsg.c], [$ext_shared]) 16fi 17