Hello:
I am trying to assemble sources that are distributed across a number of
subdirectories into a variable for inclusion in an add_library command.
I've tried using PARENT_SCOPE to do so, but I haven't been successful.
Here is a specific example:
toplevel CMakeLists.txt:
cmake_minimum_required(VERSION 2.6)
add_subdirectory(sub)
message(status " subfiles ${subfiles}")
add_library(tst ${subfiles})
CMakeLists.txt in subdirectory sub:
set(subfiles file.cpp PARENT_SCOPE)
Output from cmake version 2.6-patch 3
-- The C compiler identification is GNU
-- The CXX compiler identification is GNU
-- Check for working C compiler: /usr/bin/gcc
-- Check for working C compiler: /usr/bin/gcc -- works
-- Detecting C compiler ABI info
-- Detecting C compiler ABI info - done
-- Check for working CXX compiler: /usr/bin/c++
-- Check for working CXX compiler: /usr/bin/c++ -- works
-- Detecting CXX compiler ABI info
-- Detecting CXX compiler ABI info - done
status subfiles file.cpp
-- Configuring done
CMake Error in CMakeLists.txt:
Cannot find source file "file.cpp". Tried extensions .c .C .c++ .cc
.cpp .cxx
.m .M .mm .h .hh .h++ .hm .hpp .hxx .in .txx
-- Build files have been written to: /home/matthew/tmp/build
As you can see, the variable ${subfiles} is set correctly, but does not
seem to be expanded when placed into the add_library command.
Sincerely yours
Matthew
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