configure.ac: serach for dladdr only on libunwind #3045
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The original configure.ac tries to check for dladdr, but it actually needs it only in case we have libunwind (which has a another section and checks for it too). This can fail the build on systems without dynamic linking support. Therefore, the dladdr check has to be preformed only when checking libunwind. Signed-off-by: Asaf Kahlon <asafka7@gmail.com>
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The original configure.ac tries to check for dladdr, but it actually needs
it only in case we have libunwind (which has a another section and checks for it
too).
This can fail the build on systems without dynamic linking support.
Therefore, the dladdr check has to be preformed only when checking libunwind.
Signed-off-by: Asaf Kahlon asafka7@gmail.com