Re: [boost] PSA: C++11 libraries need to update their libraries.json and CMakeLists.txt

Zach Laine wrote:

Could you clarify why this is happening for these libs in particular? Not a complaint; just curious.

Sorry, why what is happening?

Zach

On Sun, Oct 1, 2023 at 7:21 AM Peter Dimov via Boost wrote:

...

Libraries that now require C++11, such as Atomic, TypeIndex, LexicalCast, need to update their libraries.json files to now state "cxxstd": 11, and to add the C++11 requirement to their CMakeLists.txt files, e.g.

target_compile_features(boost_lexical_cast INTERFACE cxx_std_11)

boostdep --cmake looks at libraries.json and automatically adds the above requirement, so for generated CMakeLists.txt files (such as the one in lexical_cast), a simple regeneration with e.g. `boostdep --cmake lexical_cast` will suffice.

Note that cxx_std_11 requires CMake 3.8, so the cmake_minimum_required line may need to be adjusted as well.

(`boostdep --cmake` does that automatically.)

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