Hi, This is my first submission to the ML, so please let me know if I did something wrong.
I'm reaching you to ask about Clang support in the FindBoost.cmake script. AFAIK _Boost_GUESS_COMPILER_PREFIX() function doesn't take Clang into account, so currently configuration fails if you are using clang++ compiler and you don't explicitly set Boost_COMPILER variable to "clang[clang version]". As part of a C++/CMake course I'm giving I have been modifying the Boost bootstrapping scripts I did for biicode past year (See https://github.com/Manu343726/boost). My fork now has a local copy of FindBoost.cmake that adds the following lines at the beginning of _Boost_GUESS_COMPILER_PREFIX() function to guess clang prefix: if(CMAKE_CXX_COMPILER_ID MATCHES "Clang") execute_process(COMMAND ${CMAKE_CXX_COMPILER} --version OUTPUT_VARIABLE out) string(REGEX REPLACE ".*clang version ([0-9]+)\\.([0-9]+).*" "\\1\\2" _boost_COMPILER_VERSION "${out}") set(_boost_COMPILER "-clang${_boost_COMPILER_VERSION}") if(Boost_DEBUG) message(STATUS "EXPERIMENTAL: Clang compiler. _boost_COMPILER = ${_boost_COMPILER}") endif() elseif(CMAKE_CXX_COMPILER_ID STREQUAL "Intel" ... (Original code follows here) (Link https://github.com/Manu343726/boost/blob/master/blocks/boost/install/FindBoost.cmake#L404) As you can see the approach is very similar to what's currently done with gcc: Getting compiler version string and extracting required version numbers with a regex. I would like to know if this lack of support is intended behavior, else propose to patch this if you find my changes above useful.
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