kernel: fix perf build with uclibc toolchains on x86

Signed-off-by: Florian Fainelli <florian@openwrt.org>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@34666 3c298f89-4303-0410-b956-a3cf2f4a3e73

target/linux/generic/patches-3.3/084-x86_fix_perf_uclibc_build.patch

+From 031d8ad2c3cee85c515e551fc8c0054bdedb7b8b Mon Sep 17 00:00:00 2001
+From: Florian Fainelli <florian@openwrt.org>
+Date: Thu, 13 Dec 2012 18:02:11 +0100
+Subject: [PATCH] x86: fix perf build with uclibc toolchains
+
+libio.h is not provided by uClibc, in order to be able to test the
+definition of __UCLIBC__ we need to include stdlib.h, which also
+includes stddef.h, providing the definition of 'NULL'
+
+Signed-off-by: Florian Fainelli <florian@openwrt.org>
+---
+ tools/perf/arch/x86/util/dwarf-regs.c |    3 +++
+ 1 file changed, 3 insertions(+)
+
+diff --git a/tools/perf/arch/x86/util/dwarf-regs.c b/tools/perf/arch/x86/util/dwarf-regs.c
+index a794d30..6f5267f 100644
+--- a/tools/perf/arch/x86/util/dwarf-regs.c
++++ b/tools/perf/arch/x86/util/dwarf-regs.c
+@@ -20,7 +20,10 @@
+  *
+  */
+ 
++#include <stdlib.h>
++#ifndef __UCLIBC__
+ #include <libio.h>
++#endif
+ #include <dwarf-regs.h>
+ 
+ /*
+-- 
+1.7.10.4
+

target/linux/generic/patches-3.6/084-x86_fix_perf_uclibc_build.patch

+From 031d8ad2c3cee85c515e551fc8c0054bdedb7b8b Mon Sep 17 00:00:00 2001
+From: Florian Fainelli <florian@openwrt.org>
+Date: Thu, 13 Dec 2012 18:02:11 +0100
+Subject: [PATCH] x86: fix perf build with uclibc toolchains
+
+libio.h is not provided by uClibc, in order to be able to test the
+definition of __UCLIBC__ we need to include stdlib.h, which also
+includes stddef.h, providing the definition of 'NULL'
+
+Signed-off-by: Florian Fainelli <florian@openwrt.org>
+---
+ tools/perf/arch/x86/util/dwarf-regs.c |    3 +++
+ 1 file changed, 3 insertions(+)
+
+diff --git a/tools/perf/arch/x86/util/dwarf-regs.c b/tools/perf/arch/x86/util/dwarf-regs.c
+index a794d30..6f5267f 100644
+--- a/tools/perf/arch/x86/util/dwarf-regs.c
++++ b/tools/perf/arch/x86/util/dwarf-regs.c
+@@ -20,7 +20,10 @@
+  *
+  */
+ 
++#include <stdlib.h>
++#ifndef __UCLIBC__
+ #include <libio.h>
++#endif
+ #include <dwarf-regs.h>
+ 
+ /*
+-- 
+1.7.10.4
+

target/linux/generic/patches-3.7/084-x86_fix_perf_uclibc_build.patch

+From 031d8ad2c3cee85c515e551fc8c0054bdedb7b8b Mon Sep 17 00:00:00 2001
+From: Florian Fainelli <florian@openwrt.org>
+Date: Thu, 13 Dec 2012 18:02:11 +0100
+Subject: [PATCH] x86: fix perf build with uclibc toolchains
+
+libio.h is not provided by uClibc, in order to be able to test the
+definition of __UCLIBC__ we need to include stdlib.h, which also
+includes stddef.h, providing the definition of 'NULL'
+
+Signed-off-by: Florian Fainelli <florian@openwrt.org>
+---
+ tools/perf/arch/x86/util/dwarf-regs.c |    3 +++
+ 1 file changed, 3 insertions(+)
+
+diff --git a/tools/perf/arch/x86/util/dwarf-regs.c b/tools/perf/arch/x86/util/dwarf-regs.c
+index a794d30..6f5267f 100644
+--- a/tools/perf/arch/x86/util/dwarf-regs.c
++++ b/tools/perf/arch/x86/util/dwarf-regs.c
+@@ -20,7 +20,10 @@
+  *
+  */
+ 
++#include <stdlib.h>
++#ifndef __UCLIBC__
+ #include <libio.h>
++#endif
+ #include <dwarf-regs.h>
+ 
+ /*
+-- 
+1.7.10.4
+