lxdm: portability patches from Alpine.

srcpkgs/lxdm/patches/execinfo.patch

@@ -0,0 +1,47 @@
+--- configure.ac	2011-11-16 22:27:33.624019150 +0100
++++ configure.ac	2011-11-16 22:29:49.537310486 +0100
+@@ -23,7 +23,7 @@
+ 
+ # Checks for header files.
+ AC_PATH_X
+-AC_CHECK_HEADERS([shadow.h stdlib.h string.h unistd.h utmpx.h])
++AC_CHECK_HEADERS([shadow.h stdlib.h string.h unistd.h utmpx.h, execinfo.h])
+ 
+ # Checks for typedefs, structures, and compiler characteristics.
+ AC_TYPE_PID_T
+--- src/lxdm.c	2011-11-16 22:27:33.617019240 +0100
++++ src/lxdm.c	2011-11-16 22:29:19.030694008 +0100
+@@ -52,7 +52,9 @@
+ #include <sys/ioctl.h>
+ #include <sys/stat.h>
+ 
++#ifdef HAVE_EXECINFO_H
+ #include <execinfo.h>
++#endif
+ 
+ #ifdef HAVE_UTMPX_H
+ #include <utmpx.h>
+@@ -1576,6 +1578,7 @@
+ 	return success;;
+ }
+ 
++#ifdef HAVE_EXECINFO_H
+ static void log_sigsegv(void)
+ {
+ 	void *array[40];
+@@ -1591,12 +1594,15 @@
+ 
+ 	free(bt_strs);
+ }
++#endif
+ 
+ static void sigsegv_handler(int sig)
+ {
+ 	switch(sig){
+ 	case SIGSEGV:
++#ifdef HAVE_EXECINFO_H
+ 		log_sigsegv();
++#endif
+ 		lxdm_quit_self(0);
+ 		break;
+ 	default:

srcpkgs/lxdm/patches/fix-msghdr-usage.patch

@@ -0,0 +1,39 @@
+--- src/lxcom.c	2013-10-04 10:40:08.000000000 -0300
++++ src/lxcom.c	2014-07-18 11:21:22.734631159 -0300
+@@ -116,12 +116,20 @@
+ 	char buf[4096];
+ 	char ctrl[/*CMSG_SPACE(sizeof(LXDM_CRED))*/1024];
+ 	struct sockaddr_un peer;
+-	struct iovec v={buf,sizeof(buf)};
+-	struct msghdr h={&peer,sizeof(peer),&v,1,ctrl,sizeof(ctrl),0};
+ 	struct cmsghdr *cmptr;
+ 	int ret;
+ 
+-	while(1)
++	while (1)
+ 	{
++		struct iovec v={buf,sizeof(buf)};
++		struct msghdr h={
++			.msg_name = &peer,
++			.msg_namelen = sizeof(peer),
++			.msg_iov = &v,
++			.msg_iovlen = 1,
++			.msg_control = ctrl,
++			.msg_controllen = sizeof(ctrl)
++		};
++
+ 		peer.sun_family=0;
+ 		ret=recvmsg(self_server_fd,&h,0);
+ 
+@@ -315,7 +323,10 @@
+ static ssize_t lxcom_write(int s,const void *buf,size_t count)
+ {
+ 	struct iovec iov[1] ={{(void*)buf,count,}};
+-	struct msghdr msg = { 0, 0, iov, 1, 0, 0, 0 };
++	struct msghdr msg = {
++		.msg_iov = iov,
++		.msg_iovlen = 1
++	};
+ #if !defined(linux) && !defined(__NetBSD__)
+ 
+ #if defined(__sun)

srcpkgs/lxdm/template

@@ -1,7 +1,7 @@
 # Template file for 'lxdm'
 pkgname=lxdm
 version=0.5.1
-revision=1
+revision=2
 build_style=gnu-configure
 build_options="systemd"
 configure_args="$(vopt_if systemd --disable-consolekit --enable-consolekit) --with-pam"