[PULL 37/45] virtiofsd: replace _Static_assert with QEMU_BUILD_BUG_ON

[Paolo Bonzini]

From: Marc-André Lureau <marcandre.lureau@redhat.com>

This allows to get rid of a check for older GCC version (which was a bit
bogus too since it was falling back on c++ version..)

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Message-Id: <20201210134752.780923-7-marcandre.lureau@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---
 tools/virtiofsd/fuse_common.h | 11 +----------
 1 file changed, 1 insertion(+), 10 deletions(-)

diff --git a/tools/virtiofsd/fuse_common.h b/tools/virtiofsd/fuse_common.h
index 30b18b4966..a090040bb2 100644
--- a/tools/virtiofsd/fuse_common.h
+++ b/tools/virtiofsd/fuse_common.h
@@ -807,15 +807,6 @@ void fuse_remove_signal_handlers(struct fuse_session *se);
  *
  * On 32bit systems please add -D_FILE_OFFSET_BITS=64 to your compile flags!
  */
-
-#if defined(__GNUC__) &&                                      \
-    (__GNUC__ > 4 || __GNUC__ == 4 && __GNUC_MINOR__ >= 6) && \
-    !defined __cplusplus
-_Static_assert(sizeof(off_t) == 8, "fuse: off_t must be 64bit");
-#else
-struct _fuse_off_t_must_be_64bit_dummy_struct {
-    unsigned _fuse_off_t_must_be_64bit:((sizeof(off_t) == 8) ? 1 : -1);
-};
-#endif
+QEMU_BUILD_BUG_ON(sizeof(off_t) != 8);
 
 #endif /* FUSE_COMMON_H_ */
-- 
2.26.2