Re: [lwip-devel] subunit dependency for unit tests

[Sylvain Rochet]

Hi Erik,

On Wed, Sep 30, 2015 at 09:19:15AM +0200, Erik Ekman wrote:
> 
> I upgraded to 0.10.0, and got no change. I am using gentoo where the
> subunit dependency is still optional.
> With subunit support enabled, my check.pc looks like this:
> 
> prefix=/usr
> exec_prefix=${prefix}
> libdir=/usr/lib64
> includedir=${prefix}/include
> 
> Name: Check
> Description: A unit test framework for C
> URL: http://check.sourceforge.net
> Version: 0.10.0
> Requires.private: libsubunit
> Libs: -L${libdir} -lcheck
> Libs.private:   -lrt -lm
> Cflags: -I${includedir} -pthread
> 
> I don't know what the .private part means.

It means libsubunit is available as a statically linkable library (.a / 
.la) and will be embedded into your output binary (I guess it was then 
embedded into libcheck as well). Statically linking libraries into 
output binaries is forbidden in Debian, unless it is technically 
impossible to do so. This is why I need -lsubunit and you don't.

Sylvain

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