diff --git a/include/acpi/platform/acenv.h b/include/acpi/platform/acenv.h
index 31b0f18..223ec64 100644
--- a/include/acpi/platform/acenv.h
+++ b/include/acpi/platform/acenv.h
@@ -149,6 +149,9 @@
 #elif defined(NETWARE)
 #include "acnetware.h"
 
+#elif defined(__sun)
+#include "acsolaris.h"
+
 #else
 
 /* All other environments */
@@ -158,13 +161,6 @@
 #define COMPILER_DEPENDENT_INT64   long long
 #define COMPILER_DEPENDENT_UINT64  unsigned long long
 
-/*
- * This macro is used to tag functions as "printf-like" because
- * some compilers can catch printf format string problems. MSVC
- * doesn't, so this is proprocessed away.
- */
-#define ACPI_PRINTF_LIKE_FUNC
-
 #endif
 
 /*
diff --git a/include/acpi/platform/acgcc.h b/include/acpi/platform/acgcc.h
index ea2a632..da80933 100644
--- a/include/acpi/platform/acgcc.h
+++ b/include/acpi/platform/acgcc.h
@@ -48,12 +48,14 @@
 
 #define ACPI_GET_FUNCTION_NAME          __FUNCTION__
 
-/* This macro is used to tag functions as "printf-like" because
+/*
+ * This macro is used to tag functions as "printf-like" because
  * some compilers (like GCC) can catch printf format string problems.
  */
-#define ACPI_PRINTF_LIKE_FUNC __attribute__ ((__format__ (__printf__, 6, 7)))
+#define ACPI_PRINTF_LIKE(c) __attribute__ ((__format__ (__printf__, c, c+1)))
 
-/* Some compilers complain about unused variables. Sometimes we don't want to
+/*
+ * Some compilers complain about unused variables. Sometimes we don't want to
  * use all the variables (for example, _acpi_module_name). This allows us
  * to to tell the compiler warning in a per-variable manner that a variable
  * is unused.
diff --git a/include/acpi/platform/aclinux.h b/include/acpi/platform/aclinux.h
index c21c27f..2e6d545 100644
--- a/include/acpi/platform/aclinux.h
+++ b/include/acpi/platform/aclinux.h
@@ -102,4 +102,6 @@
 
 #include "acgcc.h"
 
+#define acpi_cpu_flags unsigned long
+
 #endif				/* __ACLINUX_H__ */