From a74b42098aededd296ec6a3cd4cf5a17e59d6f29 Mon Sep 17 00:00:00 2001
From: Claude Bing <cbing@cybernetics.com>
Date: Fri, 8 May 2020 10:15:32 -0400
Subject: [PATCH] opcache/config.m4: enable opcache

We can't use AC_TRY_RUN to run programs in a cross compile environment.
Set
the variables directly instead since we know that we'd be running on
latest
enough linux kernel.

Upstream-Status: Inappropriate [Configuration]

Signed-off-by: Anuj Mittal <anuj.mittal@intel.com>

update patch to version 7.4.4
Signed-off-by: Changqing Li <changqing.li@windriver.com>

fix issue linking with librt
Signed-off-by: Claude Bing <cbing@cybernetics.com>
---
 ext/opcache/config.m4 | 195 +-----------------------------------------
 1 file changed, 4 insertions(+), 191 deletions(-)

diff --git a/ext/opcache/config.m4 b/ext/opcache/config.m4
index 6c40cafc1c..6569aa9e1c 100644
--- a/ext/opcache/config.m4
+++ b/ext/opcache/config.m4
@@ -23,201 +23,14 @@ if test "$PHP_OPCACHE" != "no"; then
   AC_CHECK_FUNCS([mprotect])
 
   AC_MSG_CHECKING(for sysvipc shared memory support)
-  AC_RUN_IFELSE([AC_LANG_SOURCE([[
-#include <sys/types.h>
-#include <sys/wait.h>
-#include <sys/ipc.h>
-#include <sys/shm.h>
-#include <unistd.h>
-#include <string.h>
-
-int main() {
-  pid_t pid;
-  int status;
-  int ipc_id;
-  char *shm;
-  struct shmid_ds shmbuf;
-
-  ipc_id = shmget(IPC_PRIVATE, 4096, (IPC_CREAT | SHM_R | SHM_W));
-  if (ipc_id == -1) {
-    return 1;
-  }
-
-  shm = shmat(ipc_id, NULL, 0);
-  if (shm == (void *)-1) {
-    shmctl(ipc_id, IPC_RMID, NULL);
-    return 2;
-  }
-
-  if (shmctl(ipc_id, IPC_STAT, &shmbuf) != 0) {
-    shmdt(shm);
-    shmctl(ipc_id, IPC_RMID, NULL);
-    return 3;
-  }
-
-  shmbuf.shm_perm.uid = getuid();
-  shmbuf.shm_perm.gid = getgid();
-  shmbuf.shm_perm.mode = 0600;
-
-  if (shmctl(ipc_id, IPC_SET, &shmbuf) != 0) {
-    shmdt(shm);
-    shmctl(ipc_id, IPC_RMID, NULL);
-    return 4;
-  }
-
-  shmctl(ipc_id, IPC_RMID, NULL);
-
-  strcpy(shm, "hello");
-
-  pid = fork();
-  if (pid < 0) {
-    return 5;
-  } else if (pid == 0) {
-    strcpy(shm, "bye");
-    return 6;
-  }
-  if (wait(&status) != pid) {
-    return 7;
-  }
-  if (!WIFEXITED(status) || WEXITSTATUS(status) != 6) {
-    return 8;
-  }
-  if (strcmp(shm, "bye") != 0) {
-    return 9;
-  }
-  return 0;
-}
-]])],[dnl
-    AC_DEFINE(HAVE_SHM_IPC, 1, [Define if you have SysV IPC SHM support])
-    msg=yes],[msg=no],[msg=no])
-  AC_MSG_RESULT([$msg])
+  AC_DEFINE(HAVE_SHM_IPC, 1, [Define if you have SysV IPC SHM support])
 
   AC_MSG_CHECKING(for mmap() using MAP_ANON shared memory support)
-  AC_RUN_IFELSE([AC_LANG_SOURCE([[
-#include <sys/types.h>
-#include <sys/wait.h>
-#include <sys/mman.h>
-#include <unistd.h>
-#include <string.h>
-
-#ifndef MAP_ANON
-# ifdef MAP_ANONYMOUS
-#  define MAP_ANON MAP_ANONYMOUS
-# endif
-#endif
-#ifndef MAP_FAILED
-# define MAP_FAILED ((void*)-1)
-#endif
+  AC_DEFINE(HAVE_SHM_MMAP_ANON, 1, [Define if you have mmap(MAP_ANON) SHM support])
 
-int main() {
-  pid_t pid;
-  int status;
-  char *shm;
-
-  shm = mmap(NULL, 4096, PROT_READ | PROT_WRITE, MAP_SHARED | MAP_ANON, -1, 0);
-  if (shm == MAP_FAILED) {
-    return 1;
-  }
-
-  strcpy(shm, "hello");
-
-  pid = fork();
-  if (pid < 0) {
-    return 5;
-  } else if (pid == 0) {
-    strcpy(shm, "bye");
-    return 6;
-  }
-  if (wait(&status) != pid) {
-    return 7;
-  }
-  if (!WIFEXITED(status) || WEXITSTATUS(status) != 6) {
-    return 8;
-  }
-  if (strcmp(shm, "bye") != 0) {
-    return 9;
-  }
-  return 0;
-}
-]])],[dnl
-    AC_DEFINE(HAVE_SHM_MMAP_ANON, 1, [Define if you have mmap(MAP_ANON) SHM support])
-    msg=yes],[msg=no],[msg=no])
-  AC_MSG_RESULT([$msg])
-
-  PHP_CHECK_FUNC_LIB(shm_open, rt)
   AC_MSG_CHECKING(for mmap() using shm_open() shared memory support)
-  AC_RUN_IFELSE([AC_LANG_SOURCE([[
-#include <sys/types.h>
-#include <sys/wait.h>
-#include <sys/mman.h>
-#include <sys/stat.h>
-#include <fcntl.h>
-#include <unistd.h>
-#include <string.h>
-#include <stdlib.h>
-#include <stdio.h>
-
-#ifndef MAP_FAILED
-# define MAP_FAILED ((void*)-1)
-#endif
-
-int main() {
-  pid_t pid;
-  int status;
-  int fd;
-  char *shm;
-  char tmpname[4096];
-
-  sprintf(tmpname,"/opcache.test.shm.%dXXXXXX", getpid());
-  if (mktemp(tmpname) == NULL) {
-    return 1;
-  }
-  fd = shm_open(tmpname, O_RDWR | O_CREAT, S_IRUSR | S_IWUSR);
-  if (fd == -1) {
-    return 2;
-  }
-  if (ftruncate(fd, 4096) < 0) {
-    close(fd);
-    shm_unlink(tmpname);
-    return 3;
-  }
-
-  shm = mmap(NULL, 4096, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0);
-  if (shm == MAP_FAILED) {
-    return 4;
-  }
-  shm_unlink(tmpname);
-  close(fd);
-
-  strcpy(shm, "hello");
-
-  pid = fork();
-  if (pid < 0) {
-    return 5;
-  } else if (pid == 0) {
-    strcpy(shm, "bye");
-    return 6;
-  }
-  if (wait(&status) != pid) {
-    return 7;
-  }
-  if (!WIFEXITED(status) || WEXITSTATUS(status) != 6) {
-    return 8;
-  }
-  if (strcmp(shm, "bye") != 0) {
-    return 9;
-  }
-  return 0;
-}
-]])],[dnl
-    AC_DEFINE(HAVE_SHM_MMAP_POSIX, 1, [Define if you have POSIX mmap() SHM support])
-    AC_MSG_RESULT([yes])
-    PHP_CHECK_LIBRARY(rt, shm_unlink, [PHP_ADD_LIBRARY(rt,1,OPCACHE_SHARED_LIBADD)])
-  ],[
-    AC_MSG_RESULT([no])
-  ],[
-    AC_MSG_RESULT([no])
-  ])
+  AC_DEFINE(HAVE_SHM_MMAP_POSIX, 1, [Define if you have POSIX mmap() SHM support])
+  PHP_CHECK_LIBRARY(rt, shm_unlink, [PHP_ADD_LIBRARY(rt,1,OPCACHE_SHARED_LIBADD)])
 
   PHP_NEW_EXTENSION(opcache,
 	ZendAccelerator.c \
-- 
2.17.1