libconfuse: Add SOVERSION guard

%ci:no-build

packages/libconfuse/build.sh

@@ -8,3 +8,15 @@ TERMUX_PKG_SHA256=3a59ded20bc652eaa8e6261ab46f7e483bc13dad79263c15af42ecbb329707
 TERMUX_PKG_AUTO_UPDATE=true
 TERMUX_PKG_BREAKS="libconfuse-dev"
 TERMUX_PKG_REPLACES="libconfuse-dev"
+
+termux_step_post_get_source() {
+	# Do not forget to bump revision of reverse dependencies and rebuild them
+	# after SOVERSION is changed.
+	local _SOVERSION=2
+
+	local e=$(sed -En 's/^libconfuse_la_LDFLAGS\s*=.*\s+-version-info\s+([0-9]+):([0-9]+):([0-9]+).*/\1-\3/p' \
+			src/Makefile.am)
+	if [ ! "${e}" ] || [ "${_SOVERSION}" != "$(( "${e}" ))" ]; then
+		termux_error_exit "SOVERSION guard check failed."
+	fi
+}