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This commit is contained in:
Duncan Bellamy 2022-02-22 19:21:18 +00:00
parent d626381ad0
commit b34aacdb94
1 changed files with 26 additions and 26 deletions
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52
CMakeLists.txt
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@ -136,32 +136,6 @@ if (BUILD_AVX512VBMI)
set(BUILD_AVX512 ON)
endif ()
option(FAT_RUNTIME "Build a library that supports multiple microarchitectures" ON)
if (CMAKE_SYSTEM_NAME MATCHES "Linux" AND FAT_RUNTIME MATCHES "ON")
# This is a Linux-only feature for now - requires platform support
# elsewhere
message(STATUS "generator is ${CMAKE_GENERATOR}")
if (CMAKE_C_COMPILER_IS_CLANG AND CMAKE_C_COMPILER_VERSION VERSION_LESS "3.9")
message (STATUS "Clang v3.9 or higher required for fat runtime, cannot build fat runtime")
set (FAT_RUNTIME_REQUISITES FALSE)
elseif (NOT (CMAKE_GENERATOR MATCHES "Unix Makefiles" OR
(CMAKE_VERSION VERSION_GREATER "3.0" AND CMAKE_GENERATOR MATCHES "Ninja")))
message (STATUS "Building the fat runtime requires the Unix Makefiles generator, or Ninja with CMake v3.0 or higher")
set (FAT_RUNTIME_REQUISITES FALSE)
else()
include (${CMAKE_MODULE_PATH}/attrib.cmake)
if (NOT HAS_C_ATTR_IFUNC)
message(STATUS "Compiler does not support ifunc attribute, cannot build fat runtime")
set (FAT_RUNTIME_REQUISITES FALSE)
else ()
set (FAT_RUNTIME_REQUISITES TRUE)
endif()
endif()
if (NOT FAT_RUNTIME_REQUISITES OR NOT RELEASE_BUILD)
set (FAT_RUNTIME OFF)
endif()
endif ()
# TODO: per platform config files?
# remove CMake's idea of optimisation
@ -387,6 +361,32 @@ if (RELEASE_BUILD)
endif()
endif()
option(FAT_RUNTIME "Build a library that supports multiple microarchitectures" ON)
if (CMAKE_SYSTEM_NAME MATCHES "Linux" AND FAT_RUNTIME MATCHES "ON")
# This is a Linux-only feature for now - requires platform support
# elsewhere
message(STATUS "generator is ${CMAKE_GENERATOR}")
if (CMAKE_C_COMPILER_IS_CLANG AND CMAKE_C_COMPILER_VERSION VERSION_LESS "3.9")
message (STATUS "Clang v3.9 or higher required for fat runtime, cannot build fat runtime")
set (FAT_RUNTIME_REQUISITES FALSE)
elseif (NOT (CMAKE_GENERATOR MATCHES "Unix Makefiles" OR
(CMAKE_VERSION VERSION_GREATER "3.0" AND CMAKE_GENERATOR MATCHES "Ninja")))
message (STATUS "Building the fat runtime requires the Unix Makefiles generator, or Ninja with CMake v3.0 or higher")
set (FAT_RUNTIME_REQUISITES FALSE)
else()
include (${CMAKE_MODULE_PATH}/attrib.cmake)
if (NOT HAS_C_ATTR_IFUNC)
message(STATUS "Compiler does not support ifunc attribute, cannot build fat runtime")
set (FAT_RUNTIME_REQUISITES FALSE)
else ()
set (FAT_RUNTIME_REQUISITES TRUE)
endif()
endif()
if (NOT FAT_RUNTIME_REQUISITES OR NOT RELEASE_BUILD)
set (FAT_RUNTIME OFF)
endif()
endif ()
include (${CMAKE_MODULE_PATH}/arch.cmake)
# testing a builtin takes a little more work