Hi Alexei!
Alexei Sheplyakov wrote:
I think libcln-dev should depend on libgmp3-dev, since the static
library (libcln.a) is useless without GMP static library (libgmp.a).
I don't think so.
$ g++ -O e.cc -o e /usr/lib/libcln.a -lgmp
$ ldd e
libgmp.so.3 => /usr/lib/libgmp.so.3 (0xb7f8f000)
libstdc++.so.5 => /usr/lib/libstdc++.so.5 (0xb7ed4000)
libm.so.6 => /lib/tls/libm.so.6 (0xb7eb2000)
libgcc_s.so.1 => /lib/libgcc_s.so.1 (0xb7ea9000)
libc.so.6 => /lib/tls/libc.so.6 (0xb7d74000)
/lib/ld-linux.so.2 => /lib/ld-linux.so.2 (0xb7fc9000)
works just fine, doesn't it?
On the other hand, libgmp3-dev is not necessary for dynamic linking
(because CLN does not re-export GMP functions via public headers):
$ g++ /usr/share/doc/libcln-dev/examples/e.cc -lcln
works just fine (no matter if libgmp3-dev is installed or not).
Right, and that's intentional.
But cln-config insists on linking with libgmp.so (BTW this is bug on
its own, for more details see
<http://lists.debian.org/debian-devel-announce/2005/11/msg00016.html>),
thus linker will fail unless libgmp3-dev is installed:
$ g++ `cln-config --libs` `cln-config --cppflags` /usr/share/doc/libcln-dev/examples/e.cc
/usr/bin/ld: cannot find -lgmp
Hmm, I see. That's a problem. Can you recommend a patch?
Cheers
-richy.
--
.''`. Richard B. Kreckel
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