Hi,
I try to understand the concept of generator expressions with little
avail.
For the current project I thought, I could use them in combination with
TARGET_INCLUDE_DIRECTORIES.
Instead of writting
IF(t1)
TARGET_INCLUDE_DIRECTORIES(cTest PRIVATE path/to/h1 PRIVATE path/to/h2)
ELSE(t1)
TARGET_INCLUDE_DIRECTORIES(cTest PRIVATE path/to/h1)
ENDIF(t1)
it should be more elegant
SET(t1 ON)
ADD_EXECUTABLE(cTest CTest.c cTest.h)
TARGET_INCLUDE_DIRECTORIES(cTest PRIVATE path/to/h1 $<
$<BOOL:t1>:"PRIVATE path/to/h2")
Of course this creates a major disaster.
--------------------------
CMake Warning (dev) in CMakeLists.txt:
Policy CMP0021 is not set: Fatal error on relative paths in
INCLUDE_DIRECTORIES target property. Run "cmake --help-policy
CMP0021" for
policy details. Use the cmake_policy command to set the policy and
suppress this warning.
Found relative path while evaluating include directories of "cTest":
""PRIVATE path/to/h2""
This warning is for project developers. Use -Wno-dev to suppress it.
cmake:
/home/gildemeister/Picture/work-c/CMakeSrc/cmake-3.2.1/Source/cmLocalGenerator.cxx:2923:
std::string cmLocalGenerator::ConvertToRelativePath(const
std::vector<std::basic_string<char> >&, const string&, bool): Assertion
`in_remote[0] != '\"'' failed.
Abgebrochen (Speicherabzug geschrieben)
--------------------------
Is there a way to solve this with a generator expression?
Michael
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