[cmake-developers] CPackComponentsDEB-components-depend2 test fails

[Rolf Eike Beer]

Am Donnerstag, 4. Juli 2019, 23:33:22 CEST schrieb Rolf Eike Beer:
> Raffi Enficiaud wrote:
> > On 04.07.19 12:59, Rolf Eike Beer wrote:
> > > I have a Gentoo and an openSUSE system, that both have various dpkg*
> > > tools
> > > installed for $reasons.
> > > 
> > > I know that I need to disable the CPackDEB tests, they create a dynamic
> > > executable and check the deb afterwards. Since this is no Debian like
> > > system the libc this links to is not covered by any dep.
> > 
> > Hi,
> > 
> > I wrote those tests quite some time ago. They are basically checking if
> > CPackDEB is handling the options that were passed to it properly.
> > 
> > > When running the CPackComponentsDEB-components-depend2 test I get this
> > > output: [...]
> > > 
> > > Is this the same reason and I should just filter this test out (in
> > > contrast to the other CPackComponentsDEB tests, which work fine), do we
> > > need some sort of automatic detection, or what?
> > 
> > This failure indicates that:
> > 
> > - the default CPACK_DEBIAN_PACKAGE_SHLIBDEPS is on: it activates the
> > automatic detection of the dependencies with shlibdeps. This is a Debian
> > tool.
> > - for all components but the application one, the shlibdeps is disabled
> > - the application component should inherit from the default one
> > - since the application points to the shared library, then it should
> > have this dependency while it does not according to shlibdeps.
> > 
> > Here the test assumes that there is a shared library the application
> > component links to.
> > 
> > I do not know much about Gentoo. Maybe the line
> > 
> > ------ Tests/CPackComponentsDEB/CMakeLists.txt:13
> > 
> > # Create the mylib library
> > add_library(mylib mylib.cpp)
> > 
> > -------
> > 
> > is not creating a shared library by default on this distribution or is
> > interacting with other options you may have passed?
> > What if you explicitly write those lines like this:
> > 
> > add_library(mylib SHARED mylib.cpp)

I have looked into the library deb file: in case it is a static library it 
contains /usr/lib64/libmylib.a, in case of a shared library it only contains 
an empty /usr.

Greetings,

Eike
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