[CMake] .so link and cpack

[Eric Noulard]

Hi Gonzalo,

You should be able to build Deb package including symlink without trouble.

Could you give the exact sequence of dpkg command which leads to the error
you are speaking of?

Does it work ok if you uninstall the previously installed deb package first?

Do you install the very same package twice or did you change somehow the
package version?


Le 8 avr. 2017 19:28, "Gonzalo Garramuño" <ggarra13 at gmail.com> a écrit :

Currently, I have a project where I build a library and an executable that
depends on the library.  Finally, I package a .deb package with cpack.

Now, my problem is that cpack packs the symbolic link of my library and
that creates problems with the deb installer ( dpkg -i ) whenever I try to
install the same version of my program twice. The error I get is that the
symbolic link changed value from 20 to 42 (or something like that).

I tried removing the symbolic link previous to packaging, but then I get
cpack erroring out with:

CMake Error at /media/gga/Datos/code/applications/mrViewer/BUILD/Linux-3.
13.0-108-generic-64/Release/tmp/libACESclip/cmake_install.cmake:47 (file):
  file INSTALL cannot find
"/media/gga/Datos/code/applications/mrViewer/BUILD/Linux-3.
13.0-108-generic-64/Release/lib/libACESclip.so".

Following a post on stackoverflow, I also tried using NAMELINK_SKIP on the
library, like:


set_target_properties( ACESclip
  PROPERTIES
  SOVERSION ${SOVERSION})

install( TARGETS ACESclip
  RUNTIME DESTINATION bin
  LIBRARY DESTINATION lib
  ARCHIVE DESTINATION lib
  NAMELINK_SKIP )

But then the executable:

ADD_EXECUTABLE( mrViewer WIN32 ${SOURCES} )
TARGET_LINK_LIBRARIES( mrViewer ${LIBRARIES} ACESclip )

would not find my library and would error out.

Therefore, I turn to the list for help.  How do I prevent cpack from
packaging symbolic links (a feature which is kind of wrong at least for
.deb files)?  Or how do I make my executable use the library without
symlinks?

Thanks in advance.


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