FreeBSD missing include

[mkrzewic]

Some tests (some root-dataframe*) fail being unable to find vdt/vdtMath.h which is installed in /usr/local/include.
making this explicit solves it, but maybe it should either be conditional (FreeBSD only) or there is a better place to make sure the interpreter looks in /usr/local/include?

[phsft-bot]

Can one of the admins verify this patch?

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[pcanal]

vdt/vdtMath.h which is installed in /usr/local/include.

This seems specific to system you use and on other system it will be installed somewhere else.

Some tests (some root-dataframe*) fail being unable to find vdt/vdtMath.h

This seems to be a real error that a user using this same/similar installation of ROOT will also encounter. i.e. This PR only hides the problem.

[mkrzewic]

This seems to be a real error that a user using this same/similar installation of ROOT will also encounter. i.e. This PR only hides the problem.

I guess this PR illustrates the problem since there is no issue tracker in this repository... hence also my questions.

/usr/local/include is a reasonably standard place to be looking for headers, so maybe this should be buried deeper - my question is where is the appropriate place? in all other cases root has no problem finding headers in /usr/local/include...

[pcanal]

in all other cases root has no problem finding headers in /usr/local/include...

Humm ... So let figure out what is "special" about this case. What tests are actually failing and what is the output?

[mkrzewic]

e.g. roottest-root-dataframe-writeFcc

1576: -- BEGIN TEST OUTPUT --
1576: 
1576: Processing /usr/home/mkrzewic/src/roottest/root/dataframe/writeFcc.C+...
1576: Info in <TUnixSystem::ACLiC>: creating shared library /home/mkrzewic/build/root/roottest/root/dataframe/writeFcc_C.so
1576: In file included from input_line_9:6:
1576: In file included from /usr/home/mkrzewic/src/roottest/root/dataframe/writeFcc.C:1:
1576: In file included from /usr/local/include/root/ROOT/RDataFrame.hxx:21:
1576: In file included from /usr/local/include/root/ROOT/RDF/RInterface.hxx:15:
1576: In file included from /usr/local/include/root/ROOT/RDF/ActionHelpers.hxx:24:
1576: /usr/local/include/root/ROOT/RVec.hxx:54:10: fatal error: 'vdt/vdtMath.h' file not found
1576: #include <vdt/vdtMath.h>
1576:          ^~~~~~~~~~~~~~~
1576: Error in <ACLiC>: Executing '/usr/home/mkrzewic/build/root/bin/rootcling -v0 "--lib-list-prefix=/home/mkrzewic/build/root/roottest/root/dataframe/writeFcc_C_ACLiC_map"-f "/home/mkrzewic/build/root/roottest/root/dataframe/writeFcc_C_ACLiC_dict.cxx" -I/usr/local/include/root -I/home/mkrzewic/build/root/roottest/root/dataframe -I"/usr/home/mkrzewic/build/root/etc/" -I"/usr/home/mkrzewic/build/root/etc//cling" -I"/usr/home/mkrzewic/build/root/etc//cling/plugins/include" -I"/usr/home/mkrzewic/build/root/include/" -I"/usr/home/mkrzewic/build/root/include" -I"/home/mkrzewic/build/root/roottest/root/dataframe" -D__ACLIC__  "/usr/home/mkrzewic/src/roottest/root/dataframe/writeFcc.C" "/home/mkrzewic/build/root/roottest/root/dataframe/writeFcc_C_ACLiC_linkdef.h"' failed!
1576: 
1576: -- END TEST OUTPUT --