--- rpl/configure.ac	2013/09/06 10:30:50	1.75
+++ rpl/configure.ac	2013/10/05 18:31:31	1.79
@@ -11,12 +11,12 @@ dnl Libraries
 NCURSES=ncurses-5.9
 READLINE=readline-6.2
 UNITS=units-2.01
-GSL=gsl-1.15
+GSL=gsl-1.16
 GPP=gpp-3.0
 GNUPLOT=gnuplot-4.6.3
 FILE=file-5.11
 ICONV=libiconv-1.14
-SQLITE=sqlite-3.8.0
+SQLITE=sqlite-3.8.0.2
 OPENSSL=openssl-1.0.1e
 OPENMOTIF=openmotif-2.3.4
 LIBXPM=libXpm-3.5.9
@@ -250,7 +250,7 @@ else
 fi],
 REG=$LDFLAGS
 POSIX_IPCS=guessed
-LDFLAGS=-lrt
+LDFLAGS="-lrt -lpthread"
 [AC_MSG_CHECKING([for POSIX semaphores and shared objects])
 AC_LINK_IFELSE(
 [AC_LANG_PROGRAM([#include <sys/mman.h>
@@ -712,6 +712,12 @@ dnl Do we need to use -lrt?
 AC_CHECK_LIB(rt, nanosleep, LIBS="$LIBS -lrt",
 		AC_MSG_WARN([librt doesn't seem to be needed on this system.]))
 
+AC_CHECK_LIB(rt, shm_open, LIBS="$LIBS -lrt",
+		AC_MSG_WARN([librt doesn't seem to be needed on this system.]))
+
+AC_CHECK_LIB(pthread, pthread_create, LIBS="$LIBS -lpthread",
+		AC_MSG_WARN([libpthread doesn't seem to be needed on this system.]))
+
 dnl Do we need to use -lsocket?
 AC_CHECK_LIB(socket, bind, LIBS="$LIBS -lsocket",
 		AC_MSG_WARN([libsocket doesn't seem to be needed on this system.]))