reopen 743480
tags 743480 upstream
thanks
Thanks Frederic,
So far I have avioded .pc files mostly, that means I need to pick up a
few details. In principle I think you could build a program using
libNeXus without the development versions of hdf5 etc, because non
of the symbols are required outside. In order to declare these private
dependencies sensibly in the pkg-config I do need the hdf5.pc though
which only comes with the -dev package. So adding the -dev dependency
was useful. Correct so far?
hdf4 doesn't seen to come with a .pc file. So that would go into
Libs.private. Hdf5 and MXML can go into Requires.private then.
I'll play around with the a little more before the next upload.
Cheers,
Tobias
frederic-emmanuel.pi...@synchrotron-soleil.fr wrote:
> Hello In fact the real problem is not the -dev dependencies.
>
> If you look at the .h files of nexus you can see that no #include of these
> third party library are
> included so in fact these library are just private libraries.
>
> picca@mordor:/usr/include/nexus$ rgrep include *
> napi.h://#include <cstdint> // needs c++11 support
> napi.h:#include <stdint.h>
> napi.h:#include <stdint.h>
> napiu.h:#include "napi.h"
> NeXusException.hpp:#include <string>
> NeXusException.hpp:#include <stdexcept>
> NeXusFile.hpp:#include <map>
> NeXusFile.hpp:#include <string>
> NeXusFile.hpp:#include <utility>
> NeXusFile.hpp:#include <vector>
> NeXusFile.hpp:#include "napi.h"
> NeXusFile.hpp:#include "NeXusStream.hpp"
> NeXusStream.hpp:#include <list>
> NeXusStream.hpp:#include <vector>
> NeXusStream.hpp:#include "NeXusFile.hpp"
>
>
> The real problem is the nexus.pc
>
> a common mistake is to populate the .pc files with the flags used to build
> the library.
>
> but in fact the purpose of this .pc file is to provide the CFLAGS and LIBS
> used to compile a software with your library.
>
> Libs: -L${libdir} -lNexus
> CFlags: -I${includedir}/nexus
>
> upstream should think about this a create the right nexus.pc.in
>
>
> it is also true for the nexus-cpp.pc
>
>
> instead of this
>
> you should look at the Private flags in the documentation pf pkg-config.
>
> #
> prefix=/usr
> exec_prefix=${prefix}
> libdir=${exec_prefix}/lib
> includedir=${prefix}/include
>
> Name:NeXus Library
> Description:Libraries and utilities for using NeXus format data files
> Version:4.3.2-20131113svn-0
> Requires:
> Conflicts:
> Libs: -L${libdir} -lNeXus -L/usr/lib/ -lmfhdf -ldf -L/usr/lib -lhdf5 -lz
> -L/usr/lib -lmxml -lhdf5 -lmfhdf -ldf -ljpeg -lz -lpthread -ldl -lm
> Cflags: -I${includedir}/nexus -I${includedir} -I/usr/include/hdf -DHDF4
> -I/usr/include -DHDF5 -DH5_NO_DEPRECATED_SYMBOLS -DH5Acreate_vers=2
> -DH5Aiterate_vers=2 -DH5Dcreate_vers=2 -DH5Dopen_vers=2 -DH5Eclear_vers=2
> -DH5Eprint_vers=2 -DH5Epush_vers=2 -DH5Eset_auto_vers=2 -DH5Eget_auto_vers=2
> -DH5Ewalk_vers=2 -DH5Gcreate_vers=2 -DH5Gopen_vers=2 -DH5Pget_filter_vers=2
> -DH5Pget_filter_by_id_vers=2 -DH5Pinsert_vers=2 -DH5Pregister_vers=2
> -DH5Rget_obj_type_vers=2 -DH5Tarray_create_vers=2 -DH5Tcommit_vers=2
> -DH5Tget_array_dims_vers=2 -DH5Topen_vers=2 -I/usr/include -DNXXML
>
>
> Cheers
>
> Frederic
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