diff --git a/acinclude.m4 b/acinclude.m4
index 8a57a75d..5b397620 100644
--- a/acinclude.m4
+++ b/acinclude.m4
@@ -480,6 +480,17 @@ if test "x$acx_pthread_ok" = xyes; then
 			fi
         fi
 
+		# Detect pthread signal functions
+        AC_MSG_CHECKING([for pthread signal functions])
+        AC_TRY_LINK([#include <pthread.h>
+					#include <signal.h>],
+                    [pthread_kill(pthread_self(), SIGTERM);],
+                    ok=yes, ok=unknown)
+        AC_MSG_RESULT(${ok})
+        if test x"$ok" != xno; then
+        	AC_DEFINE(HAVE_PTHREAD_SIGNAL,1,[Define if you have \`pthread_sigmask\' and \`pthread_kill\' functions.])
+        fi
+
         LIBS="$save_LIBS"
         CXXFLAGS="$save_CXXFLAGS"
 
diff --git a/configure.in b/configure.in
index 6b738b41..2ec6f592 100644
--- a/configure.in
+++ b/configure.in
@@ -48,7 +48,7 @@ ACX_CHECK_INET_ATON
 
 dnl checks for header files
 AC_HEADER_STDC
-AC_CHECK_HEADERS([unistd.h sys/time.h sys/types.h])
+AC_CHECK_HEADERS([unistd.h sys/time.h sys/types.h wchar.h])
 AC_CHECK_HEADERS([sys/socket.h sys/select.h])
 AC_CHECK_HEADERS([istream ostream sstream])
 AC_HEADER_TIME
diff --git a/lib/arch/CArchMultithreadPosix.cpp b/lib/arch/CArchMultithreadPosix.cpp
index 20a2ad47..8fdd9dde 100644
--- a/lib/arch/CArchMultithreadPosix.cpp
+++ b/lib/arch/CArchMultithreadPosix.cpp
@@ -30,6 +30,17 @@
 
 #define SIGWAKEUP SIGUSR1
 
+#if !HAVE_PTHREAD_SIGNAL
+	// boy, is this platform broken.  forget about pthread signal
+	// handling and let signals through to every process.  synergy
+	// will not terminate cleanly when it gets SIGTERM or SIGINT.
+#	define pthread_sigmask sigprocmask
+#	define pthread_kill(tid_, sig_) kill(0, (sig_))
+#	define sigwait(set_, sig_)
+#	undef HAVE_POSIX_SIGWAIT
+#	define HAVE_POSIX_SIGWAIT 1
+#endif
+
 //
 // CArchThreadImpl
 //
@@ -318,7 +329,9 @@ CArchMultithreadPosix::newThread(ThreadFunc func, void* data)
 	// can't tell the difference.
 	if (!m_newThreadCalled) {
 		m_newThreadCalled = true;
+#if HAVE_PTHREAD_SIGNAL
 		startSignalHandler();
+#endif
 	}
 
 	lockMutex(m_threadMutex);
diff --git a/lib/arch/CArchNetworkBSD.cpp b/lib/arch/CArchNetworkBSD.cpp
index 474c68fc..c83ad827 100644
--- a/lib/arch/CArchNetworkBSD.cpp
+++ b/lib/arch/CArchNetworkBSD.cpp
@@ -327,7 +327,7 @@ CArchNetworkBSD::pollSocket(CPollEntry pe[], int num, double timeout)
 
 #else
 
-void
+int
 CArchNetworkBSD::pollSocket(CPollEntry pe[], int num, double timeout)
 {
 	int i, n;
@@ -765,8 +765,10 @@ CArchNetworkBSD::throwError(int err)
 	case ENODEV:
 	case ENOBUFS:
 	case ENOMEM:
-	case ENOSR:
 	case ENETDOWN:
+#if defined(ENOSR)
+	case ENOSR:
+#endif
 		throw XArchNetworkResource(new XArchEvalUnix(err));
 
 	case EPROTOTYPE:
@@ -777,8 +779,10 @@ CArchNetworkBSD::throwError(int err)
 	case EINVAL:
 	case ENOPROTOOPT:
 	case EOPNOTSUPP:
-	case ENOPKG:
 	case ESHUTDOWN:
+#if defined(ENOPKG)
+	case ENOPKG:
+#endif
 		throw XArchNetworkSupport(new XArchEvalUnix(err));
 
 	case EIO:
diff --git a/lib/arch/CArchNetworkBSD.h b/lib/arch/CArchNetworkBSD.h
index 23d971bc..9718d71b 100644
--- a/lib/arch/CArchNetworkBSD.h
+++ b/lib/arch/CArchNetworkBSD.h
@@ -22,14 +22,7 @@
 #endif
 
 #if !defined(HAVE_SOCKLEN_T)
-// Darwin is so unsure what to use for socklen_t it makes us choose
-#	if defined(__APPLE__)
-#		if !defined(_BSD_SOCKLEN_T_) 	
-#			define _BSD_SOCKLEN_T_ int
-#		endif
-#	else
 typedef int socklen_t;
-#	endif
 #endif
 
 #define ARCH_NETWORK CArchNetworkBSD
diff --git a/lib/arch/CArchSleepUnix.cpp b/lib/arch/CArchSleepUnix.cpp
index 1e5675f4..35010721 100644
--- a/lib/arch/CArchSleepUnix.cpp
+++ b/lib/arch/CArchSleepUnix.cpp
@@ -69,7 +69,7 @@ CArchSleepUnix::sleep(double timeout)
 		ARCH->testCancelThread();
 #else
 	/* emulate nanosleep() with select() */
-	double startTime = time();
+	double startTime = ARCH->time();
 	double timeLeft  = timeout;
 	while (timeLeft > 0.0) {
 		struct timeval timeout2;
@@ -82,7 +82,7 @@ CArchSleepUnix::sleep(double timeout)
 				SELECT_TYPE_ARG234 NULL,
 				SELECT_TYPE_ARG5   &timeout2);
 		ARCH->testCancelThread();
-		timeLeft = timeout - (time() - startTime);
+		timeLeft = timeout - (ARCH->time() - startTime);
 	}
 #endif
 }
diff --git a/lib/arch/CMultibyteEmu.cpp b/lib/arch/CMultibyteEmu.cpp
index 80569fe5..0fd3087a 100644
--- a/lib/arch/CMultibyteEmu.cpp
+++ b/lib/arch/CMultibyteEmu.cpp
@@ -14,11 +14,42 @@
 
 #include "CArch.h"
 #include <string.h>
-#include <cwchar>
+#if HAVE_WCHAR_H
+#	include <wchar.h>
+#elif __APPLE__
+	// wtf?  Darwin puts mbtowc() et al. in stdlib
+#	include <stdlib.h>
+#else
+	// platform apparently has no wchar_t support.  provide dummy
+	// implementations.  hopefully at least the C++ compiler has
+	// a built-in wchar_t type.
+#	undef HAVE_MBSINIT
+
+static inline
+int
+mbtowc(wchar_t* dst, const char* src, int n)
+{
+	*dst = static_cast<wchar_t>(*src);
+	return 1;
+}
+
+static inline
+int
+wctomb(char* dst, wchar_t src)
+{
+	*dst = static_cast<char>(src);
+	return 1;
+}
+
+#endif
 
 class CArchMBStateImpl {
 public:
+#if HAVE_MBSINIT
 	mbstate_t			m_mbstate;
+#else
+	int					m_mbstate;	// dummy data
+#endif
 };
 
 //
@@ -50,7 +81,9 @@ ARCH_STRING::initMBState(CArchMBState state)
 bool
 ARCH_STRING::isInitMBState(CArchMBState state)
 {
-#if !HAVE_MBSINIT
+	// if we're using this file mbsinit() probably doesn't exist
+	// but use it if it does
+#if HAVE_MBSINIT
 	return (mbsinit(&state->m_mbstate) != 0);
 #else
 	return true;
diff --git a/lib/common/Makefile.am b/lib/common/Makefile.am
index 8a6abc21..4de7af6c 100644
--- a/lib/common/Makefile.am
+++ b/lib/common/Makefile.am
@@ -17,14 +17,6 @@ VDEPTH = ./$(VPATH)/$(DEPTH)
 
 EXTRA_DIST =				\
 	common.dsp				\
-	$(NULL)
-
-MAINTAINERCLEANFILES =		\
-	Makefile.in				\
-	$(NULL)
-
-noinst_LIBRARIES = libcommon.a
-libcommon_a_SOURCES =		\
 	BasicTypes.h			\
 	IInterface.h			\
 	Version.h				\
@@ -41,5 +33,10 @@ libcommon_a_SOURCES =		\
 	stdstring.h				\
 	stdvector.h				\
 	$(NULL)
+
+MAINTAINERCLEANFILES =		\
+	Makefile.in				\
+	$(NULL)
+
 INCLUDES =					\
 	$(NULL)