Zeugswetter Andreas SB <ZeugswetterA(at)wien(dot)spardat(dot)at> writes:
> For a patch to fix the AIX port I would like to differentiate
> Versions below 4.3 and above, or rather I would like to
> differentiate whether -ldl has dlopen().
Checking the latter condition seems more robust.
It's not hard. After configure.in's line
you could add something like
AC_CHECK_LIB(dl, dlopen, [AC_DEFINE(HAVE_DLOPEN_IN_LIBDL)])
and make the corresponding addition to config.h.in and/or
Makefile.global.in, depending on whether you need access to this symbol
from C code, Makefiles, or both.
regards, tom lane
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