> > However, whatever I write into 'set_property()' - no APPEND, single entry,
> > not quoted - does not end up
> > on the compiler command line. Is there a type mismatch which is silently
> > ignored?
> >
>
> Or you are doing this in a directory which is not the one where the target
> is defined and from the doc:
> $ cmake --help-command set_property
>
> ...
> ``SOURCE``
> Scope may name zero or more source files. Note that source
> file properties are visible only to targets added in the same
> directory (CMakeLists.txt).
>
> ...
This is all in the same directory, full setup and test:
% cmake --version
cmake version 3.12.0 [..]
% mkdir mylib && cd mylib
mylib% touch file1.c file2.c
mylib% cat > CMakeLists.txt
cmake_minimum_required(VERSION 3.12)
add_library(mylib SHARED file1.c file2.c)
get_property(mysrcs TARGET mylib PROPERTY SOURCES)
foreach(x IN LISTS mysrcs)
message("at ${x}")
set_property(SOURCE x APPEND PROPERTY COMPILE_DEFINITIONS
"TEST1;TEST2;")
endforeach(x)
# ^D
mylib% mkdir build && cd build && cmake ..
[..]
at file1.c
at file2.c
-- Configuring done
[..]
mylibs/build% grep -r TEST1 . || echo no TEST1
no TEST1
and 'make VERBOSE=1' also shows no extra -DTEST1 compiler arguments.
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