gnulib macro to check for PIC for a dependent library?

[dmitrii . pasechnik]

Building shared libraries which depend upon
other libraries breaks whenever a dependency found (by something like
AC_SEARCH_LIBS) was not built with -fPIC (or whatever
the name of this option might be on the platform in question).
And, preferably, one might want to check that the dependency is
a dynamic library itself.

Are there any gnulib (or autoconf) macros available which can help here?
Thinking of writing such a macro myself, it seems that the way to go
would be to write test C code to build a shared library, and try
building it. But this does not look as something that chains too well with
the other tools (i.e. libtool would be the one needed).

Best,
Dima

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