Hello Pere,
On 09/03/15 12:59, Pere Mato Vila wrote:
I am using cmake version 3.1.3 on MacOSX 10.10.2. I want to build a
SHARED library made exclusively of OBJECT libraries. This works well
with the Makefile generator but fails with the Xcode generator.
To reproduce the problem is very simple:
cmake_minimum_required(VERSION 2.8.8 FATAL_ERROR)
add_library(FooObjs OBJECT foo.cxx)
add_library(Foo SHARED $<TARGET_OBJECTS:FooObjs>)
add_executable(FooMain main.cxx)
target_link_libraries(FooMain Foo)
The library libFoo.dylib is never build. I can bypass the problem by
adding a dummy.cxx file to the SHARED library, but I am not convinced
this is the right solution.
It looks like you did everything right:
From http://www.cmake.org/cmake/help/v3.1/command/add_library.html
Some native build systems may not like targets that have only object files, so
consider adding at least one real source file to any target that references
$<TARGET_OBJECTS:objlib>.
Thanks,
Gregor
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