From 2368635d3943294c672a62abd60a233aca708982 Mon Sep 17 00:00:00 2001 From: Pranith Kumar Date: Tue, 9 Aug 2016 15:02:27 -0400 Subject: [PATCH] clang: Fix warning reg. expansion to 'defined' 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 Signed-off-by: Pranith Kumar Signed-off-by: Paolo Bonzini --- 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 edad5e7bbf25..75e12396bb08 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);