"Carried over from mozjs68"
--- a/js/src/build/Makefile.in
+++ b/js/src/build/Makefile.in
@@ -78,6 +78,8 @@
 endif
 ifneq (,$(SHARED_LIBRARY))
 	$(SYSINSTALL) $(SHARED_LIBRARY) $(DESTDIR)$(libdir)
+	mv -f $(DESTDIR)$(libdir)/$(SHARED_LIBRARY) $(DESTDIR)$(libdir)/$(SHARED_LIBRARY).0
+	ln -s $(SHARED_LIBRARY).0 $(DESTDIR)$(libdir)/$(SHARED_LIBRARY)
 ifeq ($(OS_ARCH),Darwin)
 	install_name_tool -id $(abspath $(libdir)/$(SHARED_LIBRARY)) $(DESTDIR)$(libdir)/$(SHARED_LIBRARY)
 endif
--- a/js/src/build/moz.build	2022-03-13 17:31:39.000000000 +0300
+++ b/js/src/build/moz.build	2022-03-21 23:32:34.252893769 +0300
@@ -26,6 +26,7 @@
 if CONFIG["JS_SHARED_LIBRARY"]:
     GeckoSharedLibrary("js", linkage=None)
     SHARED_LIBRARY_NAME = CONFIG["JS_LIBRARY_NAME"]
+    LDFLAGS += ['-Wl,-soname,lib{}.so.0'.format(SHARED_LIBRARY_NAME)]

     # Ensure symbol versions of shared library on Linux do not conflict
     # with those in libxul.
diff --git a/config/rules.mk b/config/rules.mk
index 0f9b2ac..f6b4efe 100644
--- a/config/rules.mk
+++ b/config/rules.mk
@@ -285,6 +285,8 @@ ifeq ($(OS_ARCH),GNU)
 OS_CPPFLAGS += -DPATH_MAX=1024 -DMAXPATHLEN=1024
 endif

+EXTRA_DSO_LDOPTS += -Wl,-soname,lib$(JS_LIBRARY_NAME).so.0
+
 #
 # MINGW32
 #
--
2.31.1