Begin port to GNU/kFreeBSD

This is just a minimal port to get Debian up and running; the rest will
be done later.

etc/rc.conf.GNU-kFreeBSD

@@ -0,0 +1,11 @@
+##############################################################################
+# GNU/kFreeBSD SPECIFIC OPTIONS
+
+# This is the subsystem type. Valid options on GNU/kFreeBSD:
+# ""        - nothing special
+# "jail"    - FreeBSD jails (not yet implemented)
+# If this is commented out, automatic detection will be used.
+#
+# This should be set to the value representing the environment this file is
+# PRESENTLY in, not the virtualization the environment is capable of.
+#rc_sys=""

mk/os-GNU-kFreeBSD.mk

@@ -0,0 +1,9 @@
+# Copyright (c) 2008 Roy Marples <roy@marples.name>
+# Released under the 2-clause BSD license.
+
+# Generic definitions
+
+CPPFLAGS+=	-D_BSD_SOURCE -D_XOPEN_SOURCE=700
+LIBDL=		-Wl,-Bdynamic -ldl
+LIBKVM?=
+include ${MK}/os-BSD.mk

mk/os.mk

@@ -3,7 +3,7 @@
 
 # Generic definitions
 
-_OS_SH=		uname -s
+_OS_SH=		uname -s | tr '/' '-'
 _OS:= 		$(shell ${_OS_SH})
 OS?= 		${_OS}
 include ${MK}/os-${OS}.mk

src/librc/librc-daemon.c

@@ -30,7 +30,7 @@
 
 #include "librc.h"
 
-#if defined(__linux__)
+#if defined(__linux__) || defined (__GLIBC__)
 static bool
 pid_is_exec(pid_t pid, const char *exec)
 {

src/rc/mountinfo.c

@@ -39,7 +39,7 @@
 #  include <sys/statvfs.h>
 #  define statfs statvfs
 #  define F_FLAGS f_flag
-#elif defined (__linux__)
+#elif defined (__linux__) || defined (__GLIBC__)
 #  include <mntent.h>
 #endif
 
@@ -265,7 +265,7 @@ find_mounts(struct args *args)
 	return list;
 }
 
-#elif defined (__linux__)
+#elif defined (__linux__) || defined (__GLIBC__)
 static struct mntent *
 getmntfile(const char *file)
 {

src/rc/rc-logger.c

@@ -44,7 +44,7 @@
 #include <time.h>
 #include <unistd.h>
 
-#ifdef __linux__
+#if defined(__linux__) || defined(__GLIBC__)
 #  include <pty.h>
 #elif defined(__NetBSD__) || defined(__OpenBSD__)
 #  include <util.h>

src/rc/runscript.c

@@ -52,7 +52,7 @@
 #include <time.h>
 #include <unistd.h>
 
-#ifdef __linux__
+#if defined(__linux__) || defined(__GLIBC__)
 #  include <pty.h>
 #elif defined(__NetBSD__) || defined(__OpenBSD__)
 #  include <util.h>