build fails with automake-1.16

automake-1.16 was released a few days ago and it seems that LALSuite is not compatible with this version, trying to build using this new release fails at the ./00boot stage with:

$ ./00boot
00boot: running autoreconf
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/m4:configure.ac:157: bad expression in eval (bad input): (${+1) != (2)
autom4te: /usr/bin/m4 failed with exit status: 1
aclocal: error: echo failed with exit status: 1
autoreconf: /opt/local/bin/aclocal failed with exit status: 1
!!! ./00boot: autoreconf failed
$