From: Mingli Yu <mingli.yu@windriver.com>
There comes below build failure when use gcc 10.1.0 and
"-Og" passed to compiler.
| /usr/lib/gcc/x86_64-wrs-linux/10.1.0/../../../../x86_64-wrs-linux/bin/ld.bfd: /mnt/build/tmp/work/x86_64-linux/qemu-system-native/5.1.0-r0/qemu-5.1.0/fsdev/qemu-fsdev-throttle.c:25: undefined reference to `unknown_lock_type'
| /usr/lib/gcc/x86_64-wrs-linux/10.1.0/../../../../x86_64-wrs-linux/bin/ld.bfd: ../fsdev/qemu-fsdev-throttle.o: in function `fsdev_co_throttle_request':
| /mnt/build/tmp/work/x86_64-linux/qemu-system-native/5.1.0-r0/qemu-5.1.0/fsdev/qemu-fsdev-throttle.c:103: undefined reference to `unknown_lock_type'
| /usr/lib/gcc/x86_64-wrs-linux/10.1.0/../../../../x86_64-wrs-linux/bin/ld.bfd: ../fsdev/qemu-fsdev-throttle.o:/mnt/build/tmp/work/x86_64-linux/qemu-system-native/5.1.0-r0/qemu-5.1.0/fsdev/qemu-fsdev-throttle.c:103: more undefined references to `unknown_lock_type' follow
| collect2: error: ld returned 1 exit status
So always define unknown_lock_type to fix the above error.
Signed-off-by: Mingli Yu <mingli.yu@windriver.com>
---
include/qemu/lockable.h | 7 +------
1 file changed, 1 insertion(+), 6 deletions(-)
diff --git a/include/qemu/lockable.h b/include/qemu/lockable.h
index b620023141..e792ed9a69 100644
--- a/include/qemu/lockable.h
+++ b/include/qemu/lockable.h
@@ -25,17 +25,12 @@ struct QemuLockable {
};
/* This function gives an error if an invalid, non-NULL pointer type is passed
- * to QEMU_MAKE_LOCKABLE. For optimized builds, we can rely on dead-code elimination
- * from the compiler, and give the errors already at link time.
+ * to QEMU_MAKE_LOCKABLE.
*/
-#if defined(__OPTIMIZE__) && !defined(__SANITIZE_ADDRESS__)
-void unknown_lock_type(void *);
-#else
static inline void unknown_lock_type(void *unused)
{
abort();
}
-#endif
static inline __attribute__((__always_inline__)) QemuLockable *
qemu_make_lockable(void *x, QemuLockable *lockable)
--
2.26.2