--- rpl/configure.ac	2016/10/10 15:03:39	1.173
+++ rpl/configure.ac	2016/10/11 12:40:10	1.176
@@ -1326,8 +1326,9 @@ esac
 
 BROKEN_SIGSEGV=-UBROKEN_SIGSEGV
 BUILD_SIGSEGV=$SIGSEGV
-INCSIGSEGV=\$\(top_builddir\)/tools/$SIGSEGV/src/.libs/@LIB_PREFIX@sigsegv.a
-LIBSIGSEGV="-I\$(top_builddir)/tools/$SIGSEGV/src"
+LIBSIGSEGV=\$\(top_builddir\)/tools/$SIGSEGV/src/.libs/@LIB_PREFIX@sigsegv.a
+INCSIGSEGV="-I\$(top_builddir)/tools/$SIGSEGV/src"
+CYGWIN_LDFLAGS=
 
 case $HOST in
 	x86_64-*-linux-gnu)
@@ -1346,12 +1347,13 @@ case $HOST in
 		ARCH=mipsel
 	break;;
 
-	x86_64-unknown-cygwin)
+	x86_64-*-cygwin)
 		BROKEN_SIGSEGV=-DBROKEN_SIGSEGV
-		SIGSEGV_SOURCE=
+		BUILD_SIGSEGV=
 		INCSIGSEGV=
 		LIBSIGSEGV=
 		ARCH=$(echo $HOST | cut -f1 -d-)
+		CYGWIN_LDFLAGS=-Wl,--allow-multiple-definition
 	break;;
 
 	*)
@@ -1364,6 +1366,7 @@ 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)
@@ -1430,7 +1433,9 @@ if test $RECURSIVE = yes; then
 	AC_CONFIG_SUBDIRS(tools/$ICONV)
 	AC_CONFIG_SUBDIRS(tools/$SQLITE)
 	AC_CONFIG_SUBDIRS(tools/$UNITS)
-	AC_CONFIG_SUBDIRS(tools/$SIGSEGV)
+	if test x$BUILD_SIGSEGV = x$SIGSEGV; then
+		AC_CONFIG_SUBDIRS(tools/$SIGSEGV)
+	fi
 fi
 
 AC_CONFIG_FILES(Makefile)