--- libtasn1-6-4.12.orig/configure.ac
+++ libtasn1-6-4.12/configure.ac
@@ -99,6 +99,8 @@ if test "$gl_gcc_warnings" = yes; then
   gl_WARN_ADD([-fdiagnostics-show-option])
 fi
 
+AC_OUTPUT_COMMANDS([chmod +x tests/soname])
+
 AC_CONFIG_FILES([
   Makefile
   doc/Makefile
@@ -112,6 +114,7 @@ AC_CONFIG_FILES([
   lib/libtasn1.pc
   src/Makefile
   tests/Makefile
+  tests/soname
 ])
 AC_OUTPUT
 
--- libtasn1-6-4.12.orig/tests/Makefile.am
+++ libtasn1-6-4.12/tests/Makefile.am
@@ -22,6 +22,8 @@ AM_CPPFLAGS = -I$(top_srcdir)/lib -I$(to
 AM_LDFLAGS = -no-install
 LDADD = ../lib/libtasn1.la ../gl/libgnu.la
 
+DISTCLEANFILES = soname
+
 EXTRA_DIST = Test_parser.asn Test_tree.asn Test_tree_asn1_tab.c	mscat.asn \
 	Test_encoding.asn pkix.asn TestIndef.p12 choice.asn coding-decoding2.asn \
 	TestIndef2.p12 TestIndef3.der TestCertOctetOverflow.der \
@@ -67,7 +69,7 @@ TESTS = Test_parser Test_tree Test_encod
 	Test_strings Test_choice Test_encdec copynode coding-decoding2 \
 	strict-der Test_choice_ocsp decoding decoding-invalid-x509 \
 	ocsp-basic-response octet-string coding-long-oid object-id-decoding \
-	spc_pe_image_data decoding-invalid-pkcs7 coding
+	spc_pe_image_data decoding-invalid-pkcs7 coding soname
 
 TESTS_ENVIRONMENT = \
 	ASN1PARSER=$(srcdir)/Test_parser.asn \
--- /dev/null
+++ libtasn1-6-4.12/tests/soname.in
@@ -0,0 +1,22 @@
+#!/bin/sh
+set -e
+
address@hidden@
address@hidden@
address@hidden@
+
+if [ "${build_triplet}" != "${host_triplet}" ]; then
+	echo "cross-compiling, not running soname check." 2>&1
+	exit 77
+fi
+if ! echo "${build_triplet}" | grep linux > /dev/null ; then
+	exit 77
+fi
+if ! [ -x "$(command -v objdump)" ]; then
+	echo "objdump not available" 1>&2
+	exit 77
+fi
+
+newsoname=$(objdump -p ${top_builddir}/lib/.libs/libtasn1.so | sed -n '/^ *SONAME /s/^ *SONAME *//p')
+
+[ "${newsoname}" = "libtasn1.so.6" ]