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cmake: check flags in CMAKE_TUNE_FLAGS

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This commit is contained in:
Christoph Junghans
2020-04-05 08:58:34 -06:00
parent 5c0e8a6b0d
commit 6f5fcd66ac
2 changed files with 11 additions and 5 deletions
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14
cmake/CMakeLists.txt
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@ -381,10 +381,16 @@ include(Packages/MSCG)
include(Packages/COMPRESS) include(Packages/COMPRESS)
set(CMAKE_TUNE_FLAGS "${CMAKE_TUNE_DEFAULT}" CACHE STRING "Compiler specific optimization or instrumentation") set(CMAKE_TUNE_FLAGS "${CMAKE_TUNE_DEFAULT}" CACHE STRING "Compiler specific optimization or instrumentation")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${CMAKE_TUNE_FLAGS}") separate_arguments(CMAKE_TUNE_FLAGS)
if(CMAKE_Fortran_COMPILER) include(CheckCXXCompilerFlag)
set(CMAKE_Fortran_FLAGS "${CMAKE_Fortran_FLAGS} ${CMAKE_TUNE_FLAGS}") foreach(_FLAG ${CMAKE_TUNE_FLAGS})
endif() check_cxx_compiler_flag("${_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()
######################################################################## ########################################################################
# Basic system tests (standard libraries, headers, functions, types) # # Basic system tests (standard libraries, headers, functions, types) #
######################################################################## ########################################################################

2
cmake/Modules/Packages/USER-INTEL.cmake
View File

@ -76,7 +76,7 @@ if(PKG_USER-INTEL)
if(CMAKE_CXX_COMPILER_ID STREQUAL "Intel") if(CMAKE_CXX_COMPILER_ID STREQUAL "Intel")
include(CheckCXXCompilerFlag) include(CheckCXXCompilerFlag)
foreach(_FLAG -O2 -fp-model fast=2 -no-prec-div -qoverride-limits -qopt-zmm-usage=high -qno-offload -fno-alias -ansi-alias -restrict) foreach(_FLAG -O2 -fp-model fast=2 -no-prec-div -qoverride-limits -qopt-zmm-usage=high -qno-offload -fno-alias -ansi-alias -restrict)
check_cxx_compiler_flag("${__FLAG}" COMPILER_SUPPORTS${_FLAG}) check_cxx_compiler_flag("${_FLAG}" COMPILER_SUPPORTS${_FLAG})
if(COMPILER_SUPPORTS${_FLAG}) if(COMPILER_SUPPORTS${_FLAG})
target_compile_options(lammps PRIVATE ${_FLAG}) target_compile_options(lammps PRIVATE ${_FLAG})
endif() endif()