From 4fdd5ec1257f6a5a7bc629febaaef0209c17ea05 Mon Sep 17 00:00:00 2001 From: Mike Frysinger Date: Mon, 11 Mar 2013 01:22:12 +0000 Subject: [PATCH] ia64: fix set-but-unused warnings with syscalls These macros often set up a variable that later macros sometimes do not use. Add unused attribute to avoid that. Similarly, the ia64 code tends to check the err field rather than the val (which is opposite of most arches) leading to the same kind of warning. Replace this with a dummy reference. Signed-off-by: Mike Frysinger --- ports/ChangeLog.ia64 | 6 ++++++ ports/sysdeps/unix/sysv/linux/ia64/sysdep.h | 7 +++++-- 2 files changed, 11 insertions(+), 2 deletions(-) diff --git a/ports/ChangeLog.ia64 b/ports/ChangeLog.ia64 index 371be42e46..50b5604ec1 100644 --- a/ports/ChangeLog.ia64 +++ b/ports/ChangeLog.ia64 @@ -1,3 +1,9 @@ +2013-03-12 Mike Frysinger + + * sysdeps/unix/sysv/linux/ia64/sysdep.h (INTERNAL_SYSCALL_DECL): Add + __attribute__ ((unused)) to err decl. + (INTERNAL_SYSCALL_ERROR_P): Add (void)val dummy reference. + 2013-03-12 Mike Frysinger * sysdeps/ia64/fpu/libm_error.c (STATIC): Delete redundant definition. diff --git a/ports/sysdeps/unix/sysv/linux/ia64/sysdep.h b/ports/sysdeps/unix/sysv/linux/ia64/sysdep.h index c6fce1313e..96f6a4e8a5 100644 --- a/ports/sysdeps/unix/sysv/linux/ia64/sysdep.h +++ b/ports/sysdeps/unix/sysv/linux/ia64/sysdep.h @@ -252,7 +252,7 @@ _retval; }) #undef INTERNAL_SYSCALL_DECL -#define INTERNAL_SYSCALL_DECL(err) long int err +#define INTERNAL_SYSCALL_DECL(err) long int err __attribute__ ((unused)) #undef INTERNAL_SYSCALL #define INTERNAL_SYSCALL_NCS(name, err, nr, args...) \ @@ -264,7 +264,10 @@ INTERNAL_SYSCALL_NCS (__NR_##name, err, nr, ##args) #undef INTERNAL_SYSCALL_ERROR_P -#define INTERNAL_SYSCALL_ERROR_P(val, err) (err == -1) +#define INTERNAL_SYSCALL_ERROR_P(val, err) \ + ({ (void) (val); \ + (err == -1); \ + }) #undef INTERNAL_SYSCALL_ERRNO #define INTERNAL_SYSCALL_ERRNO(val, err) (val)