Hello,
in my build process I need to call a compiler like tool with the same
include directories as a certain target.
I tried the following:
cmake_minimum_required(VERSION 3.2)
project(cmake-genex C)
add_library(dummy dummy.c foo.c)
target_include_directories(dummy PUBLIC foo bar)
set(prop "$<TARGET_PROPERTY:dummy,INCLUDE_DIRECTORIES>")
set(lst "$<$<BOOL:${prop}>:-I$<JOIN:${prop}, -I>>")
add_custom_command(OUTPUT foo.c
COMMAND echo ${lst}
)
Unfortunately this results in an escaped space before the -I :
echo -I/Users/gjasny/src/cmake-genex/foo\
-I/Users/gjasny/src/cmake-genex/bar
Is there a way to convince CMake not to escape the space? It looks like
whatever I do, the generator expression is handled like a single string.
Thanks,
Gregor
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