[PATCH v3 08/26] ACPICA: MSVC6: Fix build issue for variable argument macros.

Lv Zheng
2015-07-01T06:44:29Z

ACPICA commit 72f5a358f28c5d154ed613c142c7dca03192c5ee

This patch intoduces generic variable macro detection support and fixes
build breakage issue with macros using __VA_ARGS__ feature defined in
C99.

This patch fixes this build issue. Lv Zheng.

This patch doesn't affect Linux kernel.

Link: https://github.com/acpica/acpica/commit/72f5a358
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Bob Moore <robert.moore@intel.com>
---
include/acpi/acoutput.h | 13 +++++++++++--
include/acpi/platform/acgcc.h | 4 ++++
2 files changed, 15 insertions(+), 2 deletions(-)

diff --git a/include/acpi/acoutput.h b/include/acpi/acoutput.h
index a8f3443..f56de8c 100644
--- a/include/acpi/acoutput.h
+++ b/include/acpi/acoutput.h
@@ -294,8 +294,12 @@

/* DEBUG_PRINT functions */

-#define ACPI_DEBUG_PRINT(plist) ACPI_ACTUAL_DEBUG plist
-#define ACPI_DEBUG_PRINT_RAW(plist) ACPI_ACTUAL_DEBUG_RAW plist
+#ifndef COMPILER_VA_MACRO
+
+#define ACPI_DEBUG_PRINT(plist) acpi_debug_print plist
+#define ACPI_DEBUG_PRINT_RAW(plist) acpi_debug_print_raw plist
+
+#else

/* Helper macros for DEBUG_PRINT */

@@ -315,6 +319,11 @@
ACPI_DO_DEBUG_PRINT (acpi_debug_print_raw, level, line, \
filename, modulename, component, __VA_ARGS__)

+#define ACPI_DEBUG_PRINT(plist) ACPI_ACTUAL_DEBUG plist
+#define ACPI_DEBUG_PRINT_RAW(plist) ACPI_ACTUAL_DEBUG_RAW plist
+
+#endif
+
/*
* Function entry tracing
*
diff --git a/include/acpi/platform/acgcc.h b/include/acpi/platform/acgcc.h
index f54de0a..5457a06 100644
--- a/include/acpi/platform/acgcc.h
+++ b/include/acpi/platform/acgcc.h
@@ -75,4 +75,8 @@
#undef strchr
#endif

+/* GCC supports __VA_ARGS__ in macros */
+
+#define COMPILER_VA_MACRO 1
+
#endif /* __ACGCC_H__ */
--
1.7.10