kernel: fix portability issue with perf on linux 5.4

Remove dependencies on core kernel headers in host tools used to build perf,
which break on any non-linux system

Signed-off-by: Felix Fietkau <nbd@nbd.name>

diff --git a/package/devel/perf/Makefile b/package/devel/perf/Makefile
index aa478a04310295a9be292f9376c4919110f063c4..3bb403916bfec892ee917719e05c146660f3a26f 100644 (file)
--- a/package/devel/perf/Makefile
+++ b/package/devel/perf/Makefile
@@ -36,6 +36,8 @@ define Package/perf/description
   perf is the Linux performance monitoring tool
 endef
 
+HOST_CFLAGS += -I$(LINUX_DIR)/tools/include
+
 MAKE_FLAGS = \
        ARCH="$(LINUX_KARCH)" \
        NO_LIBPERL=1 \
@@ -54,6 +56,7 @@ MAKE_FLAGS = \
        LD="$(TARGET_CROSS)ld" \
        CFLAGS="$(TARGET_CFLAGS) $(TARGET_CPPFLAGS)" \
        LDFLAGS="$(TARGET_LDFLAGS)" \
+       KBUILD_HOSTCFLAGS="$(HOST_CFLAGS)" \
        $(if $(findstring c,$(OPENWRT_VERBOSE)),V=1,V='') \
        WERROR=0 \
        O=$(PKG_BUILD_DIR) \

diff --git a/target/linux/generic/hack-5.4/212-byteshift_portability.patch b/target/linux/generic/hack-5.4/212-byteshift_portability.patch
deleted file mode 100644 (file)
index 1a5ac87..0000000
--- a/target/linux/generic/hack-5.4/212-byteshift_portability.patch
+++ /dev/null
@@ -1,65 +0,0 @@
-From 48232d3d931c95953ce2ddfe7da7bb164aef6a73 Mon Sep 17 00:00:00 2001
-From: Felix Fietkau <nbd@nbd.name>
-Date: Fri, 7 Jul 2017 17:03:16 +0200
-Subject: linux-3.6: fix portability of some includes files in tools/ used on the host
-
-lede-commit: 6040b1d29ab1f047c5e49b748abcb6a3196add28
-Signed-off-by: Felix Fietkau <nbd@nbd.name>
----
- tools/include/tools/be_byteshift.h |  4 ++++
- tools/include/tools/le_byteshift.h |  4 ++++
- tools/include/tools/linux_types.h  | 22 ++++++++++++++++++++++
- 3 files changed, 30 insertions(+)
- create mode 100644 tools/include/tools/linux_types.h
-
---- a/tools/include/tools/be_byteshift.h
-+++ b/tools/include/tools/be_byteshift.h
-@@ -2,6 +2,10 @@
- #ifndef _TOOLS_BE_BYTESHIFT_H
- #define _TOOLS_BE_BYTESHIFT_H
- 
-+#ifndef __linux__
-+#include "linux_types.h"
-+#endif
-+
- #include <stdint.h>
- 
- static inline uint16_t __get_unaligned_be16(const uint8_t *p)
---- a/tools/include/tools/le_byteshift.h
-+++ b/tools/include/tools/le_byteshift.h
-@@ -2,6 +2,10 @@
- #ifndef _TOOLS_LE_BYTESHIFT_H
- #define _TOOLS_LE_BYTESHIFT_H
- 
-+#ifndef __linux__
-+#include "linux_types.h"
-+#endif
-+
- #include <stdint.h>
- 
- static inline uint16_t __get_unaligned_le16(const uint8_t *p)
---- /dev/null
-+++ b/tools/include/tools/linux_types.h
-@@ -0,0 +1,22 @@
-+#ifndef __LINUX_TYPES_H
-+#define __LINUX_TYPES_H
-+
-+#include <stdint.h>
-+
-+typedef uint8_t __u8;
-+typedef uint8_t __be8;
-+typedef uint8_t __le8;
-+
-+typedef uint16_t __u16;
-+typedef uint16_t __be16;
-+typedef uint16_t __le16;
-+
-+typedef uint32_t __u32;
-+typedef uint32_t __be32;
-+typedef uint32_t __le32;
-+
-+typedef uint64_t __u64;
-+typedef uint64_t __be64;
-+typedef uint64_t __le64;
-+
-+#endif

diff --git a/target/linux/generic/hack-5.4/212-tools_portability.patch b/target/linux/generic/hack-5.4/212-tools_portability.patch
new file mode 100644 (file)
index 0000000..0d8eb6f
--- /dev/null
+++ b/target/linux/generic/hack-5.4/212-tools_portability.patch
@@ -0,0 +1,110 @@
+From 48232d3d931c95953ce2ddfe7da7bb164aef6a73 Mon Sep 17 00:00:00 2001
+From: Felix Fietkau <nbd@nbd.name>
+Date: Fri, 7 Jul 2017 17:03:16 +0200
+Subject: fix portability of some includes files in tools/ used on the host
+
+Signed-off-by: Felix Fietkau <nbd@nbd.name>
+---
+ tools/include/tools/be_byteshift.h |  4 ++++
+ tools/include/tools/le_byteshift.h |  4 ++++
+ tools/include/tools/linux_types.h  | 22 ++++++++++++++++++++++
+ 3 files changed, 30 insertions(+)
+ create mode 100644 tools/include/tools/linux_types.h
+
+--- a/tools/include/tools/be_byteshift.h
++++ b/tools/include/tools/be_byteshift.h
+@@ -2,6 +2,10 @@
+ #ifndef _TOOLS_BE_BYTESHIFT_H
+ #define _TOOLS_BE_BYTESHIFT_H
+ 
++#ifndef __linux__
++#include "linux_types.h"
++#endif
++
+ #include <stdint.h>
+ 
+ static inline uint16_t __get_unaligned_be16(const uint8_t *p)
+--- a/tools/include/tools/le_byteshift.h
++++ b/tools/include/tools/le_byteshift.h
+@@ -2,6 +2,10 @@
+ #ifndef _TOOLS_LE_BYTESHIFT_H
+ #define _TOOLS_LE_BYTESHIFT_H
+ 
++#ifndef __linux__
++#include "linux_types.h"
++#endif
++
+ #include <stdint.h>
+ 
+ static inline uint16_t __get_unaligned_le16(const uint8_t *p)
+--- /dev/null
++++ b/tools/include/tools/linux_types.h
+@@ -0,0 +1,26 @@
++#ifndef __LINUX_TYPES_H
++#define __LINUX_TYPES_H
++
++#include <stdint.h>
++
++typedef int8_t __s8;
++typedef uint8_t __u8;
++typedef uint8_t __be8;
++typedef uint8_t __le8;
++
++typedef int16_t __s16;
++typedef uint16_t __u16;
++typedef uint16_t __be16;
++typedef uint16_t __le16;
++
++typedef int32_t __s32;
++typedef uint32_t __u32;
++typedef uint32_t __be32;
++typedef uint32_t __le32;
++
++typedef int64_t __s64;
++typedef uint64_t __u64;
++typedef uint64_t __be64;
++typedef uint64_t __le64;
++
++#endif
+--- a/tools/include/linux/types.h
++++ b/tools/include/linux/types.h
+@@ -7,8 +7,12 @@
+ #include <stdint.h>
+ 
+ #define __SANE_USERSPACE_TYPES__      /* For PPC64, to get LL64 types */
++#ifndef __linux__
++#include <tools/linux_types.h>
++#else
+ #include <asm/types.h>
+ #include <asm/posix_types.h>
++#endif
+ 
+ struct page;
+ struct kmem_cache;
+--- a/tools/perf/pmu-events/jevents.c
++++ b/tools/perf/pmu-events/jevents.c
+@@ -1,4 +1,6 @@
++#ifdef __linux__
+ #define  _XOPEN_SOURCE 500    /* needed for nftw() */
++#endif
+ #define  _GNU_SOURCE          /* needed for asprintf() */
+ 
+ /* Parse event JSON files */
+@@ -35,6 +37,7 @@
+ #include <stdlib.h>
+ #include <errno.h>
+ #include <string.h>
++#include <strings.h>
+ #include <ctype.h>
+ #include <unistd.h>
+ #include <stdarg.h>
+--- a/tools/perf/pmu-events/json.c
++++ b/tools/perf/pmu-events/json.c
+@@ -38,7 +38,6 @@
+ #include <unistd.h>
+ #include "jsmn.h"
+ #include "json.h"
+-#include <linux/kernel.h>
+ 
+ 
+ static char *mapfile(const char *fn, size_t *size)