ICODE-ADC/lammps
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use linux distro and version info to decide when to look for faster linkers

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This commit is contained in:
Axel Kohlmeyer
2021-04-14 20:01:46 -04:00
parent d5661e06ae
commit 2a81411029
2 changed files with 9 additions and 6 deletions
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2
cmake/CMakeLists.txt
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@ -731,7 +731,7 @@ get_target_property(DEFINES lammps COMPILE_DEFINITIONS)
include(FeatureSummary)
feature_summary(DESCRIPTION "The following tools and libraries have been found and configured:" WHAT PACKAGES_FOUND)
message(STATUS "<<< Build configuration >>>
Operating System: ${CMAKE_SYSTEM_NAME}
Operating System: ${CMAKE_SYSTEM_NAME} ${CMAKE_LINUX_DISTRO} ${CMAKE_DISTRO_VERSION}
Build type: ${CMAKE_BUILD_TYPE}
Install path: ${CMAKE_INSTALL_PREFIX}
Generator: ${CMAKE_GENERATOR} using ${CMAKE_MAKE_PROGRAM}")

13
cmake/Modules/Testing.cmake
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@ -16,11 +16,14 @@ if(ENABLE_TESTING)
set(MEMORYCHECK_COMMAND "${VALGRIND_BINARY}" CACHE FILEPATH "Memory Check Command")
set(MEMORYCHECK_COMMAND_OPTIONS "${VALGRIND_DEFAULT_OPTIONS}" CACHE STRING "Memory Check Command Options")
# check if a faster linker is available.
# only verified with GNU and Clang compilers and new CMake
if(CMAKE_VERSION VERSION_GREATER_EQUAL 3.13)
if((${CMAKE_CXX_COMPILER_ID} STREQUAL "GNU")
OR (${CMAKE_CXX_COMPILER_ID} STREQUAL "Clang"))
# we need to build and link a LOT of tester executables, so it is worth checking if
# a faster linker is available. requires GNU or Clang compiler, newer CMake.
# also only verified with Fedora Linux > 30 and Ubuntu <= 18.04 (Ubuntu 20.04 fails)
if((CMAKE_SYSTEM_NAME STREQUAL Linux) AND (CMAKE_VERSION VERSION_GREATER_EQUAL 3.13)
AND ((${CMAKE_CXX_COMPILER_ID} STREQUAL "GNU")
OR (${CMAKE_CXX_COMPILER_ID} STREQUAL "Clang")))
if (((CMAKE_LINUX_DISTRO STREQUAL Ubuntu) AND (CMAKE_DISTRO_VERSION VERSION_LESS_EQUAL 18.04))
OR ((CMAKE_LINUX_DISTRO STREQUAL Fedora) AND (CMAKE_DISTRO_VERSION VERSION_GREATER 30)))
include(CheckCXXCompilerFlag)
set(CMAKE_CUSTOM_LINKER_DEFAULT default)
check_cxx_compiler_flag(-fuse-ld=lld HAVE_LLD_LINKER_FLAG)