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I need to build a lib that is configured with autotools. The usual configure && make && make install steps produce versioned shared lib, something like libfoo.so.x.x Is it possible to modify configure.ac or Makefile.am (and of course follow up with autoreconf ) so that un-versioned lib is build.
Thank you!
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Automake is a tool for automatically generating Makefile.in s from files called Makefile.am . Each Makefile.am is basically a series of make variable definitions1, with rules being thrown in occasionally. The generated Makefile.in s are compliant with the GNU Makefile standards.
The autogen.sh script generates the configure script (from configure.ac , using autoconf) and any files it needs (like creating Makefile.in from Makefile.am using automake).
AM_INIT_AUTOMAKE([OPTIONS]) Runs many macros required for proper operation of the generated Makefiles. Today, AM_INIT_AUTOMAKE is called with a single argument: a space-separated list of Automake options that should be applied to every Makefile.am in the tree.
Yes, assuming that the library is built with libtool, you can remove the version information by adding the -avoid-version flag to the library's LDFLAGS.
For example, if before there was
libfoo_la_LDFLAGS = -version-info 1:0 you would change it to libfoo_la_LDFLAGS = -avoid-version. After this, you'd regenerate and rerun configure (autoreconf -vfi && ./configure) and rebuild.
Simply removing -version-info ... isn't sufficient, since libtool will then generate a library with version info 0.0.0.
See the libtool manual for more information: http://www.gnu.org/software/libtool/manual/html_node/Link-mode.html
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