kernel-libc-headers: musl libc support for compat with linux/*.h

srcpkgs/kernel-libc-headers/patches/1-5-kernel-libc-compat-musl-support.patch

@@ -0,0 +1,114 @@
+--- include/uapi/linux/libc-compat.h.orig
++++ include/uapi/linux/libc-compat.h
+@@ -165,10 +165,102 @@
+ #define __UAPI_DEF_XATTR		1
+ #endif
+ 
++
++/*
++ * Support of guessed LIBC musl, since neither glibc nor kernel space.
++ * Written for musl libc 1.1.16. Mimics the glibc support above.
++ */
++#elif !defined(__KERNEL__) /* and not __GLIBC__ */
++
++/* Coordinate with musl libc net/if.h header. */
++#if defined(_NET_IF_H)
++
++/* LIBC headers included first so don't define anything
++ * that would already be defined. */
++
++#define __UAPI_DEF_IF_IFCONF		0
++#define __UAPI_DEF_IF_IFMAP		0
++#define __UAPI_DEF_IF_IFNAMSIZ		0
++#define __UAPI_DEF_IF_IFREQ		0
++
++/* Everything up to IFF_DYNAMIC, matches net/if.h */
++#define __UAPI_DEF_IF_NET_DEVICE_FLAGS	0
++
++/* musl libc defines IFF_LOWER_UP, IFF_DORMANT and IFF_ECHO */
++#define __UAPI_DEF_IF_NET_DEVICE_FLAGS_LOWER_UP_DORMANT_ECHO 0
++
++#else /* _NET_IF_H */
++
++/* Linux headers included first, and we must define everything
++ * we need. Will define the corresponding structures twice
++ * if net/if.h is included later ?  */
++
++#define __UAPI_DEF_IF_IFCONF		1
++#define __UAPI_DEF_IF_IFMAP		1
++#define __UAPI_DEF_IF_IFNAMSIZ		1
++#define __UAPI_DEF_IF_IFREQ		1
++#define __UAPI_DEF_IF_NET_DEVICE_FLAGS	1
++#define __UAPI_DEF_IF_NET_DEVICE_FLAGS_LOWER_UP_DORMANT_ECHO 1
++
++#endif /* _NET_IF_H */
++
++/* Coordinate with musl libc netinet/in.h header. */
++#if defined(_NETINET_IN_H)
++
++/* musl 1.1.16 LIBC netinet/in.h defines the following (to 0),
++ * so it's useless to set them again:
++ *   __UAPI_DEF_IN_ADDR        __UAPI_DEF_IN_IPPROTO
++ *   __UAPI_DEF_IN_PKTINFO     __UAPI_DEF_IP_MREQ
++ *   __UAPI_DEF_SOCKADDR_IN    __UAPI_DEF_IN_CLASS
++ *   __UAPI_DEF_IN6_ADDR       __UAPI_DEF_IN6_ADDR_ALT
++ *   __UAPI_DEF_SOCKADDR_IN6   __UAPI_DEF_IPV6_MREQ
++ *   __UAPI_DEF_IPPROTO_V6     __UAPI_DEF_IPV6_OPTIONS
++ *   __UAPI_DEF_IN6_PKTINFO    __UAPI_DEF_IP6_MTUINFO
++ */
++
++#else /* _NETINET_IN_H */
++
++/* Linux headers included first, and we must define everything
++ * we need. Will define the corresponding structures twice
++ * if netinet/in.h is included later ? */
++
++#define __UAPI_DEF_IN_ADDR		1
++#define __UAPI_DEF_IN_IPPROTO		1
++#define __UAPI_DEF_IN_PKTINFO		1
++#define __UAPI_DEF_IP_MREQ		1
++#define __UAPI_DEF_SOCKADDR_IN		1
++#define __UAPI_DEF_IN_CLASS		1
++
++#define __UAPI_DEF_IN6_ADDR		1
++#define __UAPI_DEF_IN6_ADDR_ALT		1
++#define __UAPI_DEF_SOCKADDR_IN6		1
++#define __UAPI_DEF_IPV6_MREQ		1
++#define __UAPI_DEF_IPPROTO_V6		1
++#define __UAPI_DEF_IPV6_OPTIONS		1
++#define __UAPI_DEF_IN6_PKTINFO		1
++#define __UAPI_DEF_IP6_MTUINFO		1
++
++#endif /* _NETINET_IN_H */
++
++/* musl libc does not provide IPX support */
++#define __UAPI_DEF_SOCKADDR_IPX			1
++#define __UAPI_DEF_IPX_ROUTE_DEFINITION		1
++#define __UAPI_DEF_IPX_INTERFACE_DEFINITION	1
++#define __UAPI_DEF_IPX_CONFIG_DATA		1
++#define __UAPI_DEF_IPX_ROUTE_DEF		1
++
++/* Definitions for sys/xattr.h */
++#if defined(_SYS_XATTR_H)
++#define __UAPI_DEF_XATTR		0
++#else
++#define __UAPI_DEF_XATTR		1
++#endif
++
++
+ /* If we did not see any headers from any supported C libraries,
+  * or we are being included in the kernel, then define everything
+  * that we need. */
+-#else /* !defined(__GLIBC__) */
++#else /* defined(__KERNEL__) */
+ 
+ /* Definitions for if.h */
+ #define __UAPI_DEF_IF_IFCONF 1
+@@ -208,6 +300,6 @@
+ /* Definitions for xattr.h */
+ #define __UAPI_DEF_XATTR		1
+ 
+-#endif /* __GLIBC__ */
++#endif /* __KERNEL__ or __GLIBC__ or libc */
+ 
+ #endif /* _LIBC_COMPAT_H */

srcpkgs/kernel-libc-headers/template

@@ -1,7 +1,7 @@
 # Template file for 'kernel-libc-headers'
 pkgname=kernel-libc-headers
 version=4.9.8
-revision=1
+revision=2
 bootstrap=yes
 nostrip=yes
 noverifyrdeps=yes