Merge pull request #64 from junghans/collected-small-changes

endforeach()

set(CMAKE_TUNE_FLAGS "${CMAKE_TUNE_DEFAULT}" CACHE STRING "Compiler specific optimization or instrumentation")

# this is broken for many flags and compilers

#separate_arguments(CMAKE_TUNE_FLAGS)

#include(CheckCXXCompilerFlag)

#foreach(_FLAG ${CMAKE_TUNE_FLAGS})

#  check_cxx_compiler_flag("${_FLAG}" COMPILER_SUPPORTS${_FLAG})

#  if(COMPILER_SUPPORTS${_FLAG})

#    target_compile_options(lammps PRIVATE ${_FLAG})

#  else()

#    message(WARNING "${_FLAG} found in CMAKE_TUNE_FLAGS, but not supported by the compiler, skipping")

#  endif()

#endforeach()

separate_arguments(CMAKE_TUNE_FLAGS)

include(CheckCXXCompilerFlag)

foreach(_FLAG ${CMAKE_TUNE_FLAGS})

  string(REGEX REPLACE "[=\"]" "" _FLAGX ${_FLAG})

  check_cxx_compiler_flag("${_FLAG}" COMPILER_SUPPORTS${_FLAGX})

  if(COMPILER_SUPPORTS${_FLAGX})

    target_compile_options(lammps PRIVATE ${_FLAG})

  else()

    message(WARNING "${_FLAG} found in CMAKE_TUNE_FLAGS, but not supported by the compiler, skipping")

  endif()

endforeach()

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# Basic system tests (standard libraries, headers, functions, types)   #

########################################################################