Dear all,
I have an issue with the Xcode generator and the visibility of targets
in the generated project files. The problem is that in the project
files generated in subdirectories, targets from the directories above
are not visible.
At the bottom of the email, you can see the project structure and code
files. The setup is as follows: A is the project root, B is a
subdirectory, each directory contains a CMakeLists.txt.
A/CMakeLists.txt creates a target target_a and a custom command that
creates a file target_ab by touching it. target_a depends on the file
target_ab and thus when target_a is built, the file is created. B/
CMakeLists.txt contains a target for an executable target_b that
depends on target_a and includes the generated file A/target_ab.
Thus, when generate Makefiles, I can type "make target_b" and this
will automatically build target_a and create file target_ab. This
works in a clean out-of-source build directory both from directories
the root and subdirectory "B".
I then generate an Xcode project in an out-of-source build. I can
build target_b without any problems from the A.xcodeproj. This will
also create file target_ab. However, when I start with a clean build
directory, generate XCode project, open B/B.xcodeproj and try to build
target_b, then target_a does not appear in the target list, target_b
thus does not depend on it (I guess) and subsequently, the file
target_ab is not generated!
Is this behaviour desired/expected? Given that the Makefiles generator
works fine for my use case, I would expect that target_a is also
visible in B.xcodeproj. I would expect that either all targets should
be visible the generated projects in subdirectories or at least the
targets required to build the subdirectories.
Bests,
Manuel
$ tree A
A
├── B
│ ├── CMakeLists.txt
│ └── target_b.cpp
├── CMakeLists.txt
└── target_aa.cpp
1 directory, 4 files
$ cat A/target_aa.cpp
int main(int argc, char **argv)
{
return 0;
}
$ cat A/B/target_b.cpp
#include "../target_ab"
int main(int argc, char **argv)
{
return 0;
}
$ cat A/CMakeLists.txt
cmake_minimum_required(VERSION 2.8)
project(A)
add_executable(target_aa target_aa.cpp)
add_custom_command(OUTPUT target_ab COMMAND touch target_ab)
add_custom_target(target_a DEPENDS target_aa target_ab)
add_subdirectory(B)
$ cat A/B/CMakeLists.txt
cmake_minimum_required(VERSION 2.8)
project(B)
include_directories(${CMAKE_CURRENT_BINARY_DIR})
add_executable(target_b target_b.cpp)
add_dependencies(target_b target_a)
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