proot: include loader patch

srcpkgs/proot/patches/loader.patch

@@ -0,0 +1,40 @@
+From d649854ddb66779950954aac99d960379c631a71 Mon Sep 17 00:00:00 2001
+From: Nicolas Cornu <ncornu@aldebaran.com>
+Date: Wed, 29 Jul 2015 14:52:57 +0200
+Subject: [PATCH] Fix use of size
+
+---
+ src/execve/enter.c | 8 ++++----
+ 1 file changed, 4 insertions(+), 4 deletions(-)
+
+diff --git src/execve/enter.c b/src/execve/enter.c
+index 8f22d9c..4c163a1 100644
+--- src/execve/enter.c
++++ src/execve/enter.c
+@@ -454,10 +454,10 @@ static int expand_runner(Tracee* tracee, char host_path[PATH_MAX], char user_pat
+ }
+ 
+ extern unsigned char _binary_loader_exe_start;
+-extern unsigned char _binary_loader_exe_size;
++extern unsigned char _binary_loader_exe_end;
+ 
+ extern unsigned char WEAK _binary_loader_m32_exe_start;
+-extern unsigned char WEAK _binary_loader_m32_exe_size;
++extern unsigned char WEAK _binary_loader_m32_exe_end;
+ 
+ /**
+  * Extract the built-in loader.  This function returns NULL if an
+@@ -483,11 +483,11 @@ static char *extract_loader(const Tracee *tracee, bool wants_32bit_version)
+ 
+ 	if (wants_32bit_version) {
+ 		start = (void *) &_binary_loader_m32_exe_start;
+-		size  = (size_t) &_binary_loader_m32_exe_size;
++		size  = (size_t)(&_binary_loader_m32_exe_end-&_binary_loader_m32_exe_start);
+ 	}
+ 	else {
+ 		start = (void *) &_binary_loader_exe_start;
+-		size  = (size_t) &_binary_loader_exe_size;
++		size  = (size_t) (&_binary_loader_exe_end-&_binary_loader_exe_start);
+ 	}
+ 
+ 	status2 = write(fd, start, size);

srcpkgs/proot/template

@@ -1,7 +1,7 @@
 # Template file for 'proot'
 pkgname=proot
 version=5.1.0
-revision=3
+revision=4
 wrksrc="PRoot-${version}"
 makedepends="libarchive-devel talloc-devel"
 short_desc="User-space implementation of chroot, mount --bind, and binfmt_misc"