Changeset 5751a56 for libcfa/configure.ac

Timestamp:

Jul 23, 2020, 1:33:29 PM (3 years ago)

Author:

Thierry Delisle <tdelisle@…>

Branches:

arm-eh, enum, forall-pointer-decay, jacob/cs343-translation, master, new-ast, new-ast-unique-expr, pthread-emulation, qualifiedEnum

Children:

54eb5ebd

Parents:

d9c2284

Message:

Changed handling of io_uring support to handle op codes in configure.
Kernel probing for op codes, not supported yet.

File:

• libcfa/configure.ac (modified) (1 diff)

libcfa/configure.ac

@@ -123 +123 @@
 AC_PROG_MAKE_SET
 
-AC_CHECK_HEADERS([linux/io_uring.h])
+
+
+#io_uring 5.4 and earlier uses defines
+#io_uring 5.5 uses enum values
+#io_uring 5.6 and later uses probes
+
+AC_CHECK_HEADERS([linux/io_uring.h], [
+        AC_DEFINE(CFA_HAVE_LINUX_IO_URING_H)
+        # AC_CHECK_HEADER([liburing.h], [
+        #       AC_CHECK_LIB([uring], [io_uring_get_probe])
+        # ])
+        m4_foreach([op], [IORING_OP_NOP,IORING_OP_READV,IORING_OP_WRITEV,IORING_OP_FSYNC,IORING_OP_READ_FIXED,IORING_OP_WRITE_FIXED,IORING_OP_POLL_ADD,IORING_OP_POLL_REMOVE,IORING_OP_SYNC_FILE_RANGE,IORING_OP_SENDMSG,IORING_OP_RECVMSG,IORING_OP_TIMEOUT,IORING_OP_TIMEOUT_REMOVE,IORING_OP_ACCEPT,IORING_OP_ASYNC_CANCEL,IORING_OP_LINK_TIMEOUT,IORING_OP_CONNECT,IORING_OP_FALLOCATE,IORING_OP_OPENAT,IORING_OP_CLOSE,IORING_OP_FILES_UPDATE,IORING_OP_STATX,IORING_OP_READ,IORING_OP_WRITE,IORING_OP_FADVISE,IORING_OP_MADVISE,IORING_OP_SEND,IORING_OP_RECV,IORING_OP_OPENAT2,IORING_OP_EPOLL_CTL,IORING_OP_SPLICE,IORING_OP_PROVIDE_BUFFERS,IORING_OP_REMOVE_BUFFER], [
+                AC_CHECK_DECL(op, [AC_DEFINE([CFA_HAVE_]op)], [], [[#include <linux/io_uring.h>]])
+        ])
+])
 AC_CHECK_FUNCS([preadv2 pwritev2])