It's OK to have targets that are intended to be run by root, but they should
emit a message and fail if a stamp file indicating that the build has run is
not present, rather than cause the build to be executed. Thus you would have
build-dependencies and install-dependencies as separate targets.
Richard Shaw <[email protected]> wrote:
>On Tue, May 7, 2013 at 5:17 PM, A. Maitland Bottoms <[email protected]>
>wrote:
>
>> But so far it's been easier for us to roll-our-own
>> builds than to do the above patching. Although the
>> wx-config bug is painful for us.
>>
>
>In reviewing wx-config --help I found an option for --linkdeps which
>supposedly will cause the dependant libs to be linked statically as
>well.
>I'm testing that now.
>
>
>And with any luck, Richard's build is equally suited to
>> building shared libraries for libctb, wxwidgets and
>> codec2. These would then have to be shipped alongside
>> the freedv binary. Other projects that engage in that
>> behaviour often obfuscate the library names to keep
>> things from colliding with legitimate library packages.
>> (The Visualization Toolkit has libvtkftgl for its copy
>> of libftgl, GNU Radio's libgnuradio-vocoder has the
>> potential of embedding libgsm as well as libcodec2.)
>>
>
>My current assumption is that by default all the required deps are
>available system wide. If this is not the case then you would use the
>appropriate -DUSE_STATIC_XXX option to download, build, and statically
>link against the dependency.
>
>It's easy to download and build a dependency, it's hard to install it
>since
>building should *ALWAYS* be done as a non-root user, so "make install"
>for
>a dependent library is not really an option, HOWEVER, that being said I
>wonder about any dependencies that are cmake based. It might be
>possible
>for the freedv cmake config to inherit the install(... targets from the
>child and install those at the same time freedv is installed, but at
>the
>end of the day, you either have a system wide install, or you just need
>the
>library for FreeDV, so statically linking shouldn't give you any
>heartburn.
>
>
>The result is having a single binary package for freedv
>> that "just works" on nearly every platform, and is
>> easily upgraded and cleanly replaced as time goes on.
>
>
>That's more or less what I'm going for. It would be nice if we could
>move
>away from libctb sooner rather than later, then the only major
>dependency
>missing is wxWidgets 2.9 since most distros are shipping 2.8. I have
>enough
>packages I maintain for Fedora (Fldigi and chirp among them) I don't
>want
>to take on more than necessary to get freedv into Fedora.
>
>Thanks,
>Richard
>
>
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