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ACPICA: OSL: Add support to exclude stdarg.h

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[ Upstream commit 84676b87b2 ]

ACPICA commit e2df7455a9a4301b03668e4c9c02c7a564cc841c

Some hosts may choose not to include stdarg.h, implementing a
configurability in acgcc.h, allowing OSen like Solaris to exclude stdarg.h.
This patch also fixes acintel.h accordingly without providing builtin
support as Intel compiler is similar as GCC. Reported by Dana Myers, fixed
by Lv Zheng.

Link: https://github.com/acpica/acpica/commit/e2df7455
Reported-by: Dana Myers <dana.myers@oracle.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Lv Zheng 2017-06-05 16:39:56 +08:00 committed by Greg Kroah-Hartman
parent b22081fbfb
commit ac748c54d3
2 changed files with 12 additions and 0 deletions
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10
include/acpi/platform/acgcc.h
View File

@ -48,7 +48,17 @@
* Use compiler specific <stdarg.h> is a good practice for even when
* -nostdinc is specified (i.e., ACPI_USE_STANDARD_HEADERS undefined.
*/
#ifndef va_arg
#ifdef ACPI_USE_BUILTIN_STDARG
typedef __builtin_va_list va_list;
#define va_start(v, l) __builtin_va_start(v, l)
#define va_end(v) __builtin_va_end(v)
#define va_arg(v, l) __builtin_va_arg(v, l)
#define va_copy(d, s) __builtin_va_copy(d, s)
#else
#include <stdarg.h>
#endif
#endif
#define ACPI_INLINE __inline__

2
include/acpi/platform/acintel.h
View File

@ -48,7 +48,9 @@
* Use compiler specific <stdarg.h> is a good practice for even when
* -nostdinc is specified (i.e., ACPI_USE_STANDARD_HEADERS undefined.
*/
#ifndef va_arg
#include <stdarg.h>
#endif
/* Configuration specific to Intel 64-bit C compiler */