unexpected token `build_old_libs,'

[Sascha Manns]

Hello list,

i'm using that configure.ac: https://github.com/saigkill/PublicanCreato
rs/blob/master/configure.ac

The autogen.sh works to the end, but configure currently breaks with:

checking for library containing strerror... none required
./configure: line 6296: syntax error near unexpected token
`build_old_libs,'
./configure: line 6296: `    _LT_DECL(build_old_libs, enable_static,
0,'

Does anyone knows, what this means, and how to fix it?

Greetings
Sascha

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