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cmake: reenable CMAKE_TUNE_FLAGS check

This commit is contained in:
Christoph Junghans 2020-04-28 06:03:34 -06:00
parent 6be36196da
commit 24fe5bc187
1 changed files with 11 additions and 11 deletions
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22
cmake/CMakeLists.txt
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@ -326,17 +326,17 @@ foreach(PKG_WITH_INCL KSPACE PYTHON VORONOI USER-COLVARS USER-MOLFILE USER-NETCD
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()
########################################################################
# Basic system tests (standard libraries, headers, functions, types) #
########################################################################