strace: portability patches from Alpine.

srcpkgs/strace/patches/arm.patch

@@ -0,0 +1,13 @@
+--- defs.h
++++ defs.h
+@@ -159,6 +159,10 @@
+ # include <sys/ptrace.h>
+ #endif
+ 
++#if defined(ARM)
++# include <asm/ptrace.h>
++#endif
++
+ #if defined(POWERPC)
+ # include <asm/ptrace.h>
+ #endif

srcpkgs/strace/patches/sysinfo.patch

@@ -0,0 +1,10 @@
+--- resource.c
++++ resource.c
+@@ -31,6 +31,7 @@
+ #include "defs.h"
+ #include <sys/resource.h>
+ #include <sys/times.h>
++#include <sys/sysinfo.h>
+ #include <linux/kernel.h>
+ 
+ #include "xlat/resources.h"

srcpkgs/strace/template

@@ -12,3 +12,10 @@ homepage="http://sourceforge.net/projects/strace"
 license="BSD"
 distfiles="${SOURCEFORGE_SITE}/$pkgname/$pkgname-$version.tar.xz"
 checksum=e6180d866ef9e76586b96e2ece2bfeeb3aa23f5cc88153f76e9caedd65e40ee2
+
+pre_configure() {
+	sed -i -e 's/include <linux\/socket.h>/include <sys\/socket.h>/g' configure
+	case "$XBPS_TARGET_MACHINE" in
+		*-musl) export CFLAGS+=" -Dsigcontext_struct=sigcontext";;
+	esac
+}