Re: [boost] CMake - one more time

On Apr 22, 2016, at 5:41 PM, Robert Ramey wrote:

On 4/22/16 2:56 PM, Raffi Enficiaud wrote:

...

Certainly, CMake can do everything with the appropriate effort. But so far, although I am a CMake user, I do not know how to do this:

- having the same target name with different target properties: like set(PROJECT_SRC ....) add_library(myproject SHARED ${PROJECT_SRC}) add_library(myproject STATIC ${PROJECT_SRC})

how do you do that? how do you refer to the appropriate variant?

I know it's beside the point of your post, but I can't resist.

I do this in the following way.

a) I set up a cached boolean variable USE_STATIC b) I use the CMake script

if(USE_STATIC) add_library(myproject STATIC ${PROJECT_SRC}) else() add_library(myproject SHARED ${PROJECT_SRC}) elseif()

This is not necessary at all. Cmake provides the `BUILD_SHARED_LIBS` variable that can be set to do this same purpose: https://cmake.org/cmake/help/v3.5/variable/BUILD_SHARED_LIBS.html

Then I generate two different versions and can switch back and forth between them.

You see this in the serialization library CMake files

Robert Ramey

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