[CMake] printing CMAKE_CXX_FLAGS_* based on build type

[fdk17]

Are you using a generator that uses CMAKE_BUILD_TYPE and has it set to a known value? Build type doesn’t have to be set and multi-config generators don’t use it. 

On Fri, Sep 27, 2019, at 4:18 PM, Zdenko Podobny wrote:
> Hello,
> 
> I try to print CMAKE_CXX_FLAGS_DEBUG/CMAKE_CXX_FLAGS_RELEASE as one line statement but is does not work for me:
> 
> message( STATUS "CXX compiler ${CMAKE_BUILD_TYPE} build options: ${CMAKE_CXX_FLAGS_${CMAKE_BUILD_TYPE}}")
> 
> Produce empy result, but 
> message( STATUS "CXX compiler Release build options: ${CMAKE_CXX_FLAGS_RELEASE}")
> works as expected.
> Is it possible to do it in one line or I have to use if/elseif ?
> 
> Zdenko
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