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path: root/recipes/linux/linux-wrt-2.4.20/linux-2.4.24-attribute-used.patch
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#
# Patch managed by http://www.mn-logistik.de/unsupported/pxa250/patcher
#

--- linux-2.4.20/include/asm-arm/setup.h~linux-2.4.24-attribute-used	2001-10-25 16:53:55.000000000 -0400
+++ linux-2.4.20/include/asm-arm/setup.h	2005-01-07 03:34:41.753675352 -0500
@@ -229,7 +229,7 @@
 	int (*parse)(const struct tag *);
 };
 
-#define __tag __attribute__((unused, __section__(".taglist")))
+#define __tag __attribute_used__ __attribute__((__section__(".taglist")))
 #define __tagtable(tag, fn) \
 static struct tagtable __tagtable_##fn __tag = { tag, fn }
 
--- linux-2.4.20/include/linux/compiler.h~linux-2.4.24-attribute-used	2001-09-18 17:12:45.000000000 -0400
+++ linux-2.4.20/include/linux/compiler.h	2005-01-07 03:34:41.754675200 -0500
@@ -13,4 +13,18 @@
 #define likely(x)	__builtin_expect((x),1)
 #define unlikely(x)	__builtin_expect((x),0)
 
+#if __GNUC__ > 3
+#define __attribute_used__     __attribute__((__used__))
+#elif __GNUC__ == 3
+#if  __GNUC_MINOR__ >= 3
+# define __attribute_used__    __attribute__((__used__))
+#else
+# define __attribute_used__    __attribute__((__unused__))
+#endif /* __GNUC_MINOR__ >= 3 */
+#elif __GNUC__ == 2
+#define __attribute_used__     __attribute__((__unused__))
+#else
+#define __attribute_used__     /* not implemented */
+#endif /* __GNUC__ */
+
 #endif /* __LINUX_COMPILER_H */
--- linux-2.4.20/include/linux/init.h~linux-2.4.24-attribute-used	2001-12-21 12:42:03.000000000 -0500
+++ linux-2.4.20/include/linux/init.h	2005-01-07 03:35:29.816368712 -0500
@@ -2,6 +2,7 @@
 #define _LINUX_INIT_H
 
 #include <linux/config.h>
+#include <linux/compiler.h>
 
 /* These macros are used to mark some functions or 
  * initialized data (doesn't apply to uninitialized data)
@@ -51,7 +52,7 @@
 extern initcall_t __initcall_start, __initcall_end;
 
 #define __initcall(fn)								\
-	static initcall_t __initcall_##fn __init_call = fn
+	static initcall_t __initcall_##fn __attribute_used__ __init_call = fn
 #define __exitcall(fn)								\
 	static exitcall_t __exitcall_##fn __exit_call = fn
 
@@ -67,7 +68,7 @@
 
 #define __setup(str, fn)								\
 	static char __setup_str_##fn[] __initdata = str;				\
-	static struct kernel_param __setup_##fn __attribute__((unused)) __initsetup = { __setup_str_##fn, fn }
+	static struct kernel_param __setup_##fn __attribute_used__ __initsetup = { __setup_str_##fn, fn }
 
 #endif /* __ASSEMBLY__ */
 
@@ -76,12 +77,12 @@
  * or exit time.
  */
 #define __init		__attribute__ ((__section__ (".text.init")))
-#define __exit		__attribute__ ((unused, __section__(".text.exit")))
+#define __exit		__attribute_used__ __attribute__ ((__section__(".text.exit")))
 #define __initdata	__attribute__ ((__section__ (".data.init")))
-#define __exitdata	__attribute__ ((unused, __section__ (".data.exit")))
-#define __initsetup	__attribute__ ((unused,__section__ (".setup.init")))
-#define __init_call	__attribute__ ((unused,__section__ (".initcall.init")))
-#define __exit_call	__attribute__ ((unused,__section__ (".exitcall.exit")))
+#define __exitdata	__attribute_used__ __attribute__ ((__section__ (".data.exit")))
+#define __initsetup	__attribute_used__ __attribute__ ((__section__ (".setup.init")))
+#define __init_call	__attribute_used__ __attribute__ ((__section__ (".initcall.init")))
+#define __exit_call	__attribute_used__ __attribute__ ((__section__ (".exitcall.exit")))
 
 /* For assembly routines */
 #define __INIT		.section	".text.init","ax"
--- linux-2.4.20/include/linux/module.h~linux-2.4.24-attribute-used	2002-08-02 20:39:45.000000000 -0400
+++ linux-2.4.20/include/linux/module.h	2005-01-07 03:34:41.755675048 -0500
@@ -8,6 +8,7 @@
 #define _LINUX_MODULE_H
 
 #include <linux/config.h>
+#include <linux/compiler.h>
 #include <linux/spinlock.h>
 #include <linux/list.h>
 
@@ -254,9 +255,9 @@
  */
 #define MODULE_GENERIC_TABLE(gtype,name)	\
 static const unsigned long __module_##gtype##_size \
-  __attribute__ ((unused)) = sizeof(struct gtype##_id); \
+  __attribute_used__ = sizeof(struct gtype##_id); \
 static const struct gtype##_id * __module_##gtype##_table \
-  __attribute__ ((unused)) = name
+  __attribute_used__ = name
 
 /*
  * The following license idents are currently accepted as indicating free
@@ -284,7 +285,7 @@
  */
  
 #define MODULE_LICENSE(license) 	\
-static const char __module_license[] __attribute__((section(".modinfo"))) =   \
+static const char __module_license[] __attribute_used__ __attribute__((section(".modinfo"))) =   \
 "license=" license
 
 /* Define the module variable, and usage macros.  */
@@ -296,10 +297,10 @@
 #define MOD_IN_USE		__MOD_IN_USE(THIS_MODULE)
 
 #include <linux/version.h>
-static const char __module_kernel_version[] __attribute__((section(".modinfo"))) =
+static const char __module_kernel_version[] __attribute_used__ __attribute__((section(".modinfo"))) =
 "kernel_version=" UTS_RELEASE;
 #ifdef MODVERSIONS
-static const char __module_using_checksums[] __attribute__((section(".modinfo"))) =
+static const char __module_using_checksums[] __attribute_used__ __attribute__((section(".modinfo"))) =
 "using_checksums=1";
 #endif
 
@@ -319,7 +320,7 @@
  */
 #define MODULE_GENERIC_TABLE(gtype,name) \
 static const struct gtype##_id * __module_##gtype##_table \
-  __attribute__ ((unused, __section__(".data.exit"))) = name
+  __attribute_used__ __attribute__ ((__section__(".data.exit"))) = name
 
 #ifndef __GENKSYMS__