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kernel: use upstream patches for musl

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This replaces the current patches used to make the kernel headers
compatible with musl with the version which was accepted upstream. This
is included in upstream kernel 4.15.
This was compile tested with iproute2 build on all supported kernel
versions with musl and one one with glibc.

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
This commit is contained in:
Hauke Mehrtens
2017-06-03 12:59:55 +02:00
parent e3c43ade0b
commit 4336efe14b
23 changed files with 833 additions and 781 deletions
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2
toolchain/musl/common.mk
View File

@@ -9,7 +9,7 @@ include $(INCLUDE_DIR)/target.mk
PKG_NAME:=musl
PKG_VERSION:=1.1.18
PKG_RELEASE=1
PKG_RELEASE=2
PKG_SOURCE_PROTO:=git
PKG_SOURCE_SUBDIR:=$(PKG_NAME)-$(PKG_VERSION)

59
toolchain/musl/patches/010-kernel-suppress-some-more-Linux-uapi-definitions.patch Normal file
View File

@@ -0,0 +1,59 @@
From 8e85d2c268000b51cc690f3a55a820d8f8a6c0bc Mon Sep 17 00:00:00 2001
From: Hauke Mehrtens <hauke@hauke-m.de>
Date: Thu, 22 Jun 2017 22:04:28 +0200
Subject: [PATCH] Add additional uapi guards for Linux kernel header files
With Linux kernel 4.15 it will be possible to guard more parts of the
Linux header files from a libc. Make use of this in musl to guard all
the structures and other definitions from the Linux header files which
are also defined by the header files provided by musl. This will make
musl compile with the unmodified Linux kernel user space headers.
This extends the definitions done in commit 04983f227238 ("make
netinet/in.h suppress clashing definitions from kernel headers")
The needed patches were recently accepted for Linux 4.15:
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=c0bace798436bca0fdc221ff61143f1376a9c3de
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=6926e041a8920c8ec27e4e155efa760aa01551fd
---
include/net/if.h | 7 +++++++
include/netinet/if_ether.h | 1 +
include/sys/xattr.h | 2 ++
3 files changed, 10 insertions(+)
--- a/include/net/if.h
+++ b/include/net/if.h
@@ -125,6 +125,13 @@ struct ifconf {
#define ifc_req ifc_ifcu.ifcu_req
#define _IOT_ifconf _IOT(_IOTS(struct ifconf),1,0,0,0,0)
+#define __UAPI_DEF_IF_IFCONF 0
+#define __UAPI_DEF_IF_IFMAP 0
+#define __UAPI_DEF_IF_IFNAMSIZ 0
+#define __UAPI_DEF_IF_IFREQ 0
+#define __UAPI_DEF_IF_NET_DEVICE_FLAGS 0
+#define __UAPI_DEF_IF_NET_DEVICE_FLAGS_LOWER_UP_DORMANT_ECHO 0
+
#endif
#ifdef __cplusplus
--- a/include/netinet/if_ether.h
+++ b/include/netinet/if_ether.h
@@ -133,5 +133,6 @@ do { \
(enaddr)[5] = ((uint8_t *)ipaddr)[3]; \
} while(0)
+#define __UAPI_DEF_ETHHDR 0
#endif
--- a/include/sys/xattr.h
+++ b/include/sys/xattr.h
@@ -24,6 +24,8 @@ int removexattr(const char *, const char
int lremovexattr(const char *, const char *);
int fremovexattr(int, const char *);
+#define __UAPI_DEF_XATTR 0
+
#ifdef __cplusplus
}
#endif

12
toolchain/musl/patches/400-Add-format-attribute-to-some-function-declarations.patch
View File

@@ -45,11 +45,7 @@ Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
+#else
+#define __fp(x, y)
+#endif
-_Noreturn void err(int, const char *, ...);
-_Noreturn void verr(int, const char *, va_list);
-_Noreturn void errx(int, const char *, ...);
-_Noreturn void verrx(int, const char *, va_list);
+
+void warn(const char *, ...) __fp(1, 2);
+void vwarn(const char *, va_list) __fp(1, 0);
+void warnx(const char *, ...) __fp(1, 2);
@@ -59,7 +55,11 @@ Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
+_Noreturn void verr(int, const char *, va_list) __fp(2, 0);
+_Noreturn void errx(int, const char *, ...) __fp(2, 3);
+_Noreturn void verrx(int, const char *, va_list) __fp(2, 0);
+
-_Noreturn void err(int, const char *, ...);
-_Noreturn void verr(int, const char *, va_list);
-_Noreturn void errx(int, const char *, ...);
-_Noreturn void verrx(int, const char *, va_list);
+#undef __fp
#ifdef __cplusplus