--- rpl/configure.ac	2016/10/11 09:27:46	1.175
+++ rpl/configure.ac	2017/01/18 15:21:50	1.182
@@ -11,13 +11,13 @@ dnl Libraries
 NCURSES=ncurses-6.0
 READLINE=readline-7.0
 UNITS=units-2.13
-GSL=gsl-2.2.1
+GSL=gsl-2.3
 GPP=gpp-3.0
 GNUPLOT=gnuplot-5.0.4
-FILE=file-5.28
+FILE=file-5.29
 ICONV=libiconv-1.14
-SQLITE=sqlite-3.14.2
-OPENSSL=openssl-1.1.0b
+SQLITE=sqlite-3.15.2
+OPENSSL=openssl-1.1.0c
 OPENMOTIF=openmotif-2.3.4
 LIBXPM=libXpm-3.5.11
 SIGSEGV=libsigsegv-2.11
@@ -1326,8 +1326,13 @@ esac
 
 BROKEN_SIGSEGV=-UBROKEN_SIGSEGV
 BUILD_SIGSEGV=$SIGSEGV
-LIBSIGSEGV=\$\(top_builddir\)/tools/$SIGSEGV/src/.libs/@LIB_PREFIX@sigsegv.a
+if test x"$LIB_PREFIX" = x"lib"; then
+	LIBSIGSEGV=\$\(top_builddir\)/tools/$SIGSEGV/src/.libs/libsigsegv.a
+else
+	LIBSIGSEGV=\$\(top_builddir\)/tools/$SIGSEGV/src/.libs/sigsegv.a
+fi
 INCSIGSEGV="-I\$(top_builddir)/tools/$SIGSEGV/src"
+CYGWIN_LDFLAGS=
 
 case $HOST in
 	x86_64-*-linux-gnu)
@@ -1346,12 +1351,14 @@ case $HOST in
 		ARCH=mipsel
 	break;;
 
-	x86_64-unknown-cygwin)
+	x86_64-*-cygwin)
 		BROKEN_SIGSEGV=-DBROKEN_SIGSEGV
 		BUILD_SIGSEGV=
 		INCSIGSEGV=
 		LIBSIGSEGV=
 		ARCH=$(echo $HOST | cut -f1 -d-)
+		CYGWIN_LDFLAGS=-Wl,--allow-multiple-definition \
+				-Wl,--out-implib,rpl.exe.a
 	break;;
 
 	*)
@@ -1364,6 +1371,7 @@ AC_SUBST(LIBSIGSEGV)
 AC_SUBST(WHOLE_LIB1)
 AC_SUBST(WHOLE_LIB2)
 AC_SUBST(LIB_PREFIX)
+AC_SUBST(CYGWIN_LDFLAGS)
 
 AC_SUBST(C_STANDARD)
 AC_SUBST(EXPORT_DYNAMIC)