MDEV-4190 : Fix system checks for OpenBSD

configure.cmake

@@ -160,6 +160,7 @@ IF(UNIX)
     SET(CMAKE_REQUIRED_LIBRARIES ${CMAKE_REQUIRED_LIBRARIES} wrap)
     CHECK_C_SOURCE_COMPILES(
     "
+    #include <sys/types.h>
     #include <tcpd.h>
     int allow_severity = 0;
     int deny_severity  = 0;
@@ -231,13 +232,13 @@ CHECK_INCLUDE_FILES (sys/cdefs.h HAVE_SYS_CDEFS_H)
 CHECK_INCLUDE_FILES (sys/file.h HAVE_SYS_FILE_H)
 CHECK_INCLUDE_FILES (sys/fpu.h HAVE_SYS_FPU_H)
 CHECK_INCLUDE_FILES (sys/ioctl.h HAVE_SYS_IOCTL_H)
-CHECK_INCLUDE_FILES (sys/ipc.h HAVE_SYS_IPC_H)
-CHECK_INCLUDE_FILES (sys/malloc.h HAVE_SYS_MALLOC_H)
+CHECK_INCLUDE_FILES ("sys/types.h;sys/ipc.h" HAVE_SYS_IPC_H)
+CHECK_INCLUDE_FILES ("sys/types.h;sys/malloc.h" HAVE_SYS_MALLOC_H)
 CHECK_INCLUDE_FILES (sys/mman.h HAVE_SYS_MMAN_H)
 CHECK_INCLUDE_FILES (sys/prctl.h HAVE_SYS_PRCTL_H)
 CHECK_INCLUDE_FILES (sys/resource.h HAVE_SYS_RESOURCE_H)
 CHECK_INCLUDE_FILES (sys/select.h HAVE_SYS_SELECT_H)
-CHECK_INCLUDE_FILES (sys/shm.h HAVE_SYS_SHM_H)
+CHECK_INCLUDE_FILES ("sys/types.h;sys/shm.h" HAVE_SYS_SHM_H)
 CHECK_INCLUDE_FILES (sys/socket.h HAVE_SYS_SOCKET_H)
 CHECK_INCLUDE_FILES (sys/stat.h HAVE_SYS_STAT_H)
 CHECK_INCLUDE_FILES (sys/stream.h HAVE_SYS_STREAM_H)