[target/generic] deal with 'set-but-unused-variables' in a more generic way

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@31123 3c298f89-4303-0410-b956-a3cf2f4a3e73

diff --git a/target/linux/generic/patches-2.6.37/970-mips-gcc-4.6-set-but-unused-fixes.patch b/target/linux/generic/patches-2.6.37/970-mips-gcc-4.6-set-but-unused-fixes.patch
index 17bcba5..35e6cb3 100644 (file)
--- a/target/linux/generic/patches-2.6.37/970-mips-gcc-4.6-set-but-unused-fixes.patch
+++ b/target/linux/generic/patches-2.6.37/970-mips-gcc-4.6-set-but-unused-fixes.patch
@@ -1,44 +1,12 @@
---- a/arch/mips/kernel/signal.c
-+++ b/arch/mips/kernel/signal.c
-@@ -84,7 +84,7 @@ static int protected_save_fp_context(str
- 
- static int protected_restore_fp_context(struct sigcontext __user *sc)
- {
--      int err, tmp;
-+      int err, tmp  __maybe_unused;
-       while (1) {
-               lock_fpu_owner();
-               own_fpu_inatomic(0);
---- a/arch/mips/kernel/syscall.c
-+++ b/arch/mips/kernel/syscall.c
-@@ -383,7 +383,7 @@ save_static_function(sys_sysmips);
- static int __used noinline
- _sys_sysmips(nabi_no_regargs struct pt_regs regs)
- {
--      long cmd, arg1, arg2, arg3;
-+      long cmd, arg1, arg2, arg3 __maybe_unused;
- 
-       cmd = regs.regs[4];
-       arg1 = regs.regs[5];
---- a/arch/mips/mm/init.c
-+++ b/arch/mips/mm/init.c
-@@ -324,7 +324,7 @@ int page_is_ram(unsigned long pagenr)
- void __init paging_init(void)
- {
-       unsigned long max_zone_pfns[MAX_NR_ZONES];
--      unsigned long lastpfn;
-+      unsigned long lastpfn __maybe_unused;
- 
-       pagetable_init();
- 
---- a/arch/mips/mm/c-r4k.c
-+++ b/arch/mips/mm/c-r4k.c
-@@ -1075,7 +1075,7 @@ static int __cpuinit probe_scache(void)
-       unsigned long flags, addr, begin, end, pow2;
-       unsigned int config = read_c0_config();
-       struct cpuinfo_mips *c = &current_cpu_data;
--      int tmp;
-+      int tmp __maybe_unused;
- 
-       if (config & CONF_SC)
-               return 0;
+--- linux-2.6.37.6.org/Makefile        2012-03-28 17:10:58.297558774 +0200
++++ linux-2.6.37.6.mod/Makefile        2012-03-28 17:15:00.161564521 +0200
+@@ -354,7 +354,8 @@
+                  -fno-strict-aliasing -fno-common \
+                  -Werror-implicit-function-declaration \
+                  -Wno-format-security \
+-                 -fno-delete-null-pointer-checks
++                 -fno-delete-null-pointer-checks \
++                 -Wno-error=unused-but-set-variable
+ KBUILD_AFLAGS_KERNEL :=
+ KBUILD_CFLAGS_KERNEL :=
+ KBUILD_AFLAGS   := -D__ASSEMBLY__