libnauty: args inversed in spkg-configure.m4

[Thierry Thomas]

Hello,

I´m working on Sage-9.2.beta14, and I noticed that 2 args are switched
in AC_SEARCH_LIBS: densenauty is the function and nauty is the library:

--- build/pkgs/libnauty/spkg-configure.m4.orig 2020-10-02 15:26:33 UTC
+++ build/pkgs/libnauty/spkg-configure.m4
@@ -2,6 +2,6 @@ SAGE_SPKG_CONFIGURE([libnauty], [
SAGE_SPKG_DEPCHECK([nauty], [
dnl The library is actually installed by the nauty spkg.
AC_CHECK_HEADER([nauty/nauty.h], [], [sage_spkg_install_libnauty=yes])
- AC_SEARCH_LIBS([nauty], [densenauty], [], [sage_spkg_install_libnauty=yes])
+ AC_SEARCH_LIBS([densenauty], [nauty], [], [sage_spkg_install_libnauty=yes])
])
])

Best regards.
--
Th. Thomas.

[Dima Pasechnik]

Good catch.

Matthias, this seems to be your code there.

Dima

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[Matthias Koeppe]

Thanks for catching this. I have created https://trac.sagemath.org/ticket/30703 for this. Could you push your fix to the ticket please?