--- linuxsampler/trunk/configure.in	2007/12/06 17:19:16	1560
+++ linuxsampler/trunk/configure.in	2008/01/25 15:06:02	1649
@@ -52,6 +52,7 @@
 AC_SUBST(target_os)
 AC_SUBST(target_vendor)
 
+PKG_PROG_PKG_CONFIG
 
 ###########################################################################
 # General Checks
@@ -532,6 +533,17 @@
   AC_DEFINE_UNQUOTED(CONFIG_RT_EXCEPTIONS, 1, [Define to 1 to allow exceptions in the realtime context.])
 fi
 
+AC_ARG_ENABLE(pthread-testcancel,
+  [  --enable-pthread-testcancel
+                          Enable pthread_testcancel() calls and avoid asynchronous 
+                          cancel of pthreads (default=no).],
+  [config_pthread_testcancel="$enableval"],
+  [config_pthread_testcancel="no"]
+)
+if test "$config_pthread_testcancel" = "yes"; then
+  AC_DEFINE_UNQUOTED(CONFIG_PTHREAD_TESTCANCEL, 1, [Define to 1 to enable pthread_testcancel() calls.])
+fi
+
 AC_ARG_ENABLE(preload-samples,
   [  --enable-preload-samples
                           Due to seeking and latency issues with hard drives