| dnl # |
| dnl # Linux 5.15 gets rid of -isystem and external <stdarg.h> inclusion |
| dnl # and ships its own <linux/stdarg.h>. Check if this header file does |
| dnl # exist and provide all necessary definitions for variable argument |
| dnl # functions. Adjust the inclusion of <stdarg.h> according to the |
| dnl # results. |
| dnl # |
| AC_DEFUN([ZFS_AC_KERNEL_SRC_STANDALONE_LINUX_STDARG], [ |
| ZFS_LINUX_TEST_SRC([has_standalone_linux_stdarg], [ |
| #include <linux/stdarg.h> |
| |
| #if !defined(va_start) || !defined(va_end) || \ |
| !defined(va_arg) || !defined(va_copy) |
| #error "<linux/stdarg.h> is invalid" |
| #endif |
| ],[]) |
| ]) |
| |
| AC_DEFUN([ZFS_AC_KERNEL_STANDALONE_LINUX_STDARG], [ |
| dnl # |
| dnl # Linux 5.15 ships its own stdarg.h and doesn't allow to |
| dnl # include compiler headers. |
| dnl # |
| AC_MSG_CHECKING([whether standalone <linux/stdarg.h> exists]) |
| ZFS_LINUX_TEST_RESULT([has_standalone_linux_stdarg], [ |
| AC_MSG_RESULT([yes]) |
| AC_DEFINE(HAVE_STANDALONE_LINUX_STDARG, 1, |
| [standalone <linux/stdarg.h> exists]) |
| ],[ |
| AC_MSG_RESULT([no]) |
| ]) |
| ]) |