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[Qemu-devel] [PATCH 4/5] clang: Fix warning reg. expansion to 'defined'
From: |
Pranith Kumar |
Subject: |
[Qemu-devel] [PATCH 4/5] clang: Fix warning reg. expansion to 'defined' |
Date: |
Tue, 9 Aug 2016 15:02:27 -0400 |
Clang produces the following warning. The warning is detailed here:
https://reviews.llvm.org/D15866. Fix the warning.
/home/pranith/devops/code/qemu/hw/display/qxl.c:507:5: warning: macro expansion
producing 'defined' has undefined behavior [-Wexpansion-to-defined]
^
/home/pranith/devops/code/qemu/include/ui/qemu-spice.h:46:5: note: expanded
from macro 'SPICE_NEEDS_SET_MM_TIME'
(!defined(SPICE_SERVER_VERSION) || (SPICE_SERVER_VERSION < 0xc06))
^
/home/pranith/devops/code/qemu/hw/display/qxl.c:1074:5: warning: macro
expansion producing 'defined' has undefined behavior [-Wexpansion-to-defined]
^
/home/pranith/devops/code/qemu/include/ui/qemu-spice.h:46:5: note: expanded
from macro 'SPICE_NEEDS_SET_MM_TIME'
(!defined(SPICE_SERVER_VERSION) || (SPICE_SERVER_VERSION < 0xc06))
Suggested-by: Peter Maydell <address@hidden>
Signed-off-by: Pranith Kumar <address@hidden>
---
include/ui/qemu-spice.h | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/include/ui/qemu-spice.h b/include/ui/qemu-spice.h
index edad5e7..75e1239 100644
--- a/include/ui/qemu-spice.h
+++ b/include/ui/qemu-spice.h
@@ -42,8 +42,11 @@ int qemu_spice_set_pw_expire(time_t expires);
int qemu_spice_migrate_info(const char *hostname, int port, int tls_port,
const char *subject);
-#define SPICE_NEEDS_SET_MM_TIME \
- (!defined(SPICE_SERVER_VERSION) || (SPICE_SERVER_VERSION < 0xc06))
+#if !defined(SPICE_SERVER_VERSION) || (SPICE_SERVER_VERSION < 0xc06)
+#define SPICE_NEEDS_SET_MM_TIME 1
+#else
+#define SPICE_NEEDS_SET_MM_TIME 0
+#endif
#if SPICE_SERVER_VERSION >= 0x000c02
void qemu_spice_register_ports(void);
--
2.9.2
[Qemu-devel] [PATCH 3/5] Disable warn about left shifts of negative values, Pranith Kumar, 2016/08/09
[Qemu-devel] [PATCH 4/5] clang: Fix warning reg. expansion to 'defined',
Pranith Kumar <=
[Qemu-devel] [PATCH 5/5] target-arm: Fix warn about implicit conversion, Pranith Kumar, 2016/08/09
Re: [Qemu-devel] [PATCH 1/5] atomic: strip "const" from variables declared with typeof, Paolo Bonzini, 2016/08/09