On Sat, May 19, 2018, 9:38 PM Mateusz Loskot <mate...@loskot.net> wrote:
> On 19 May 2018 at 22:16, Ray Donnelly <mingw.andr...@gmail.com> wrote: > > On Sat, May 19, 2018, 8:50 PM Mateusz Loskot <mate...@loskot.net> wrote: > >> On 19 May 2018 at 15:00, Elvis Stansvik <elvis.stans...@orexplore.com> > wrote: > >> > I know this has been asked before, but I've never seen a really > >> > authoritative answer. > >> > > >> > Say I have a simple single-library project. > >> > > >> > The advise I've seen is to not pass SHARED or STATIC to the > >> > add_library(..), but instead let the user pass > >> > -DBUILD_SHARED_LIBS:BOOL=ON/OFF to build the library as either shared > >> > or static. > >> > > >> > That's fine, but leads to packagers having to do ugly things like e.g: > >> > > >> > https://salsa.debian.org/hle/dlib/blob/master/debian/rules > >> > > >> > That is, do two separate configure/build/install, in order to get both > >> > a shared and static version. > >> > >> IMHO, there is nothing ugly in this approach. > >> Not every system allows (or recomments) to generate both, > >> static and shared, from the same object files. > >> Why not view static vs shared as the similar to 32 vs 64 bit? > > > > > > Because they are different architectures that in many cases require > > different compilers and in some cases different host machines to run on. > > Static vs shared has none of these issues to contend with. > > Both, static and shared may use quite different compilation/linking, > that is enough to treat them differently. > Apparently, my point hasn't made it through. Nevermind. > Yes of course they do but the tooling in and around cmake (including things like pkg-config and libtool) support this already. All I am pushing for is for parity between the main 3 OSes here so that users of cmake do not have to implement ugly hacks purely due to this. > > Best regards, > -- > Mateusz Loskot, http://mateusz.loskot.net >
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