+if test $use_internal_libjaylink = yes; then
+ if test -f "$srcdir/src/jtag/drivers/libjaylink/configure.ac"; then
+ ( cd $srcdir/src/jtag/drivers/libjaylink/ && ./autogen.sh )
+ AX_CONFIG_SUBDIR_OPTION([src/jtag/drivers/libjaylink],
+ [--enable-subproject-build])
+ else
+ AC_MSG_ERROR([Internal libjaylink not found, run either 'git submodule init' and 'git submodule update' or disable internal libjaylink with --disable-internal-libjaylink.])
+ fi
+else
+ PKG_CHECK_MODULES([libjaylink], [libjaylink >= 0.1],
+ [CFLAGS="$CFLAGS $libjaylink_CFLAGS"; LIBS="$LIBS $libjaylink_LIBS"; HAVE_LIBJAYLINK=yes], [HAVE_LIBJAYLINK=no])
+fi
+