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My configure.in file has LT_VERSION=”1.1″. I am using the latest version of autoconf and libtool. While using autoconf or autoreconf, I am getting the following error message:
configure.ac:41: error: possibly undefined macro: LT_VERSION
If this token and others are legitimate, please use m4_pattern_allow.
See the Autoconf documentation.
autoreconf: /usr/bin/autoconf failed with exit status: 1
What can I do?
I cannot find any reference to LT_VERSION in the libtool source tree (there is an LTVERSION,
and an LTOBSOLETE_VERSION), so I’m assuming that string in your configure.in (which should be renamed configure.ac) is a private string and not something used by libtool. In that case, there are 2 things you should do. First, you should change the name, since you are stomping on libtool’s namespace and it appears that LT_VERSION is used by libtool (in fact, it looks like an m4 macro provided by libtool, and assigning to it is therefore really odd). Second, you should use m4_pattern_allow. (See the autoconf documentation.) In other words, put this in your configure.ac:
That will suppress the warning.