diff --git a/configure.ac b/configure.ac
index 63630ca1..6103353a 100644
--- a/configure.ac
+++ b/configure.ac
@@ -16,7 +16,7 @@ AC_PROG_CC
 
 # Checks for libraries.
 AC_DEFINE(_GNU_SOURCE)
-#AC_CHECK_LIB(ssl, RC4)
+PKG_CHECK_MODULES(DEPS, openssl)
 
 # Checks for header files.
 AC_CHECK_HEADERS([arpa/inet.h fcntl.h netdb.h netinet/in.h stdint.h stdlib.h string.h sys/socket.h sys/time.h unistd.h])
@@ -38,6 +38,9 @@ AC_FUNC_MALLOC
 AC_FUNC_REALLOC
 AC_CHECK_FUNCS([dup2 gettimeofday memset mkdir socket strerror])
 
+AC_CHECK_FUNCS([clock_gettime], [CLOCK_LIB=], [AC_CHECK_LIB([rt], [clock_gettime], [CLOCK_LIB=-lrt], [CLOCK_LIB=])])
+AC_SUBST([CLOCK_LIB])
+
 # Fix chars to unsigned
 AC_SUBST([global_CFLAGS], [-funsigned-char])
 
diff --git a/lib/Makefile.am b/lib/Makefile.am
index 4daf7ce7..c93d31c3 100644
--- a/lib/Makefile.am
+++ b/lib/Makefile.am
@@ -2,8 +2,9 @@ AM_CPPFLAGS = $(global_CFLAGS)
 
 lib_LTLIBRARIES=libmist-1.0.la
 libmist_1_0_la_SOURCES=amf.h amf.cpp auth.h auth.cpp base64.h base64.cpp config.h config.cpp dtsc.h dtsc.cpp flv_tag.h flv_tag.cpp http_parser.h http_parser.cpp json.h json.cpp procs.h procs.cpp rtmpchunks.h rtmpchunks.cpp socket.h socket.cpp mp4.h mp4.cpp ftp.h ftp.cpp filesystem.h filesystem.cpp stream.h stream.cpp timing.h timing.cpp ts_packet.cpp ts_packet.h
-libmist_1_0_la_LIBADD=-lssl -lcrypto -lrt
 libmist_1_0_la_LDFLAGS = -version-info 4:0:1
+libmist_1_0_la_CPPFLAGS=$(DEPS_CFLAGS)
+libmist_1_0_la_LIBADD=$(DEPS_LIBS) $(CLOCK_LIB)
 
 pkgconfigdir = $(libdir)/pkgconfig
 pkgconfig_DATA = mist-1.0.pc
diff --git a/lib/config.cpp b/lib/config.cpp
index 9a771823..0bfafb79 100644
--- a/lib/config.cpp
+++ b/lib/config.cpp
@@ -5,7 +5,7 @@
 #include <string.h>
 #include <signal.h>
 
-#ifdef __FreeBSD__
+#if defined(__FreeBSD__) || defined(__APPLE__) || defined(__MACH__)
 #include <sys/wait.h>
 #else
 #include <wait.h>
diff --git a/lib/procs.cpp b/lib/procs.cpp
index ab1bbbf1..64022133 100644
--- a/lib/procs.cpp
+++ b/lib/procs.cpp
@@ -6,7 +6,7 @@
 #include <sys/types.h>
 #include <signal.h>
 
-#ifdef __FreeBSD__
+#if defined(__FreeBSD__) || defined(__APPLE__) || defined(__MACH__)
 #include <sys/wait.h>
 #else
 #include <wait.h>
diff --git a/lib/timing.cpp b/lib/timing.cpp
index f89523fa..3f9841c2 100644
--- a/lib/timing.cpp
+++ b/lib/timing.cpp
@@ -4,6 +4,23 @@
 #include "timing.h"
 #include <sys/time.h>//for gettimeofday
 #include <time.h>//for time and nanosleep
+
+//emulate clock_gettime() for OSX compatibility
+#if defined(__APPLE__) || defined(__MACH__)
+#include <mach/clock.h>
+#include <mach/mach.h>
+#define CLOCK_REALTIME 0
+void clock_gettime(int ign, struct timespec * ts){
+  clock_serv_t cclock;
+  mach_timespec_t mts;
+  host_get_clock_service(mach_host_self(), CALENDAR_CLOCK, &cclock);
+  clock_get_time(cclock, &mts);
+  mach_port_deallocate(mach_task_self(), cclock);
+  ts->tv_sec = mts.tv_sec;
+  ts->tv_nsec = mts.tv_nsec;
+}
+#endif
+
 /// Sleeps for the indicated amount of milliseconds or longer.
 void Util::sleep(int ms){
   if (ms < 0){