Let's say I have a simple CMakeLists.txt:
cmake_minimum_required(VERSION 3.11)
project(foo C)
add_subdirectory(foo)
foo/CMakeLists.txt looks like:
add_library(foo SHARED foo.c)
set_target_properties(foo
PROPERTIES
FRAMEWORK ON
FRAMEWORK_VERSION A)
install(TARGETS foo
FRAMEWORK DESTINATION Frameworks)
add_custom_target(install-foo
DEPENDS foo
COMMAND echo "Installing")
An actual useful install-foo target would do something along the lines of
`cmake -P cmake_install.cmake`, but we don't need that to demonstrate the
issue. foo.c is also irrelevant; it could even be empty.
With CMake 3.11.4 and when using the Ninja generator, my custom install-foo
target ends up transitively depending on "foo/foo.framework/foo", which doesn't
exist and causes a build error. There is a "foo.framework/foo" target, which is
just a phony target depending on "foo/foo.framework/Versions/A/foo" (which is
the actual library), and I suspect that's the actual desired dependency, but
instead, the subdirectory is being incorrectly prepended to the dependency name.
This works correctly when using the Makefile generator instead of the Ninja
generator. It works with the Ninja generator if my framework target is in the
top-level CMakeLists.txt instead of a subdirectory, but that's not a viable
workaround for my use case.
Am I doing something wrong, or is this a bug with CMake's Ninja generator? If
it's the latter, any thoughts on how to work around it? I suppose I could try
to manually create the "foo/foo.framework/foo" target, but that seems kinda
gross.
Thanks,
Shoaib Meenai
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