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autotools: Nuke IPC_RMID_DEFERRED_RELEASE 

IPC_RMID_DEFERRED_RELEASE is unused so nuke it.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
This commit is contained in:
Ville Syrjälä 2017-10-27 01:55:21 +03:00 committed by Chris Wilson
parent 896122c9f6
commit a3a9e99b52
1 changed files with 0 additions and 26 deletions
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26
configure.ac
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@ -247,32 +247,6 @@ if test "x$ac_cv_header_X11_extensions_shmproto_h" != "xyes" -a "x$ac_cv_header_
fi
if test "x$shm" = "xyes"; then
AC_MSG_CHECKING(whether shmctl IPC_RMID allows subsequent attaches)
AC_TRY_RUN([
#include <sys/types.h>
#include <sys/ipc.h>
#include <sys/shm.h>
int main()
{
char *shmaddr;
int id = shmget (IPC_PRIVATE, 4, IPC_CREAT | 0600);
if (id == -1) return 2;
shmaddr = shmat (id, 0, 0);
shmctl (id, IPC_RMID, 0);
if ((char*) shmat (id, 0, 0) == (char*) -1) {
shmdt (shmaddr);
return 1;
}
shmdt (shmaddr);
shmdt (shmaddr);
return 0;
}
],
AC_DEFINE(IPC_RMID_DEFERRED_RELEASE, 1,
[Define to 1 if shared memory segments are released deferred.])
AC_MSG_RESULT(yes),
AC_MSG_RESULT(no),
AC_MSG_RESULT(assuming no))
AC_DEFINE([HAVE_MIT_SHM], 1, [Define to 1 if MIT-SHM is available])
fi