|
|
|
# See absl/copts/copts.py and absl/copts/generate_copts.py
|
|
|
|
include(GENERATED_AbseilCopts)
|
|
|
|
|
|
|
|
set(ABSL_LSAN_LINKOPTS "")
|
|
|
|
set(ABSL_HAVE_LSAN OFF)
|
|
|
|
set(ABSL_DEFAULT_LINKOPTS "")
|
|
|
|
|
|
|
|
if (BUILD_SHARED_LIBS AND MSVC)
|
|
|
|
set(ABSL_BUILD_DLL TRUE)
|
|
|
|
set(CMAKE_WINDOWS_EXPORT_ALL_SYMBOLS ON)
|
|
|
|
else()
|
|
|
|
set(ABSL_BUILD_DLL FALSE)
|
|
|
|
endif()
|
|
|
|
|
|
|
|
if(APPLE AND CMAKE_CXX_COMPILER_ID MATCHES [[Clang]])
|
|
|
|
# Some CMake targets (not known at the moment of processing) could be set to
|
|
|
|
# compile for multiple architectures as specified by the OSX_ARCHITECTURES
|
|
|
|
# property, which is target-specific. We should neither inspect nor rely on
|
|
|
|
# any CMake property or variable to detect an architecture, in particular:
|
|
|
|
#
|
|
|
|
# - CMAKE_OSX_ARCHITECTURES
|
|
|
|
# is just an initial value for OSX_ARCHITECTURES; set too early.
|
|
|
|
#
|
|
|
|
# - OSX_ARCHITECTURES
|
|
|
|
# is a per-target property; targets could be defined later, and their
|
|
|
|
# properties could be modified any time later.
|
|
|
|
#
|
|
|
|
# - CMAKE_SYSTEM_PROCESSOR
|
|
|
|
# does not reflect multiple architectures at all.
|
|
|
|
#
|
|
|
|
# When compiling for multiple architectures, a build system can invoke a
|
|
|
|
# compiler either
|
|
|
|
#
|
|
|
|
# - once: a single command line for multiple architectures (Ninja build)
|
|
|
|
# - twice: two command lines per each architecture (Xcode build system)
|
|
|
|
#
|
|
|
|
# If case of Xcode, it would be possible to set an Xcode-specific attributes
|
|
|
|
# like XCODE_ATTRIBUTE_OTHER_CPLUSPLUSFLAGS[arch=arm64] or similar.
|
|
|
|
#
|
|
|
|
# In both cases, the viable strategy is to pass all arguments at once, allowing
|
|
|
|
# the compiler to dispatch arch-specific arguments to a designated backend.
|
|
|
|
set(ABSL_RANDOM_RANDEN_COPTS "")
|
|
|
|
foreach(_arch IN ITEMS "x86_64" "arm64")
|
|
|
|
string(TOUPPER "${_arch}" _arch_uppercase)
|
|
|
|
string(REPLACE "X86_64" "X64" _arch_uppercase ${_arch_uppercase})
|
|
|
|
foreach(_flag IN LISTS ABSL_RANDOM_HWAES_${_arch_uppercase}_FLAGS)
|
|
|
|
list(APPEND ABSL_RANDOM_RANDEN_COPTS "-Xarch_${_arch}" "${_flag}")
|
|
|
|
endforeach()
|
|
|
|
endforeach()
|
|
|
|
# If a compiler happens to deal with an argument for a currently unused
|
|
|
|
# architecture, it will warn about an unused command line argument.
|
|
|
|
option(ABSL_RANDOM_RANDEN_COPTS_WARNING OFF
|
|
|
|
"Warn if one of ABSL_RANDOM_RANDEN_COPTS is unused")
|
|
|
|
if(ABSL_RANDOM_RANDEN_COPTS AND NOT ABSL_RANDOM_RANDEN_COPTS_WARNING)
|
|
|
|
list(APPEND ABSL_RANDOM_RANDEN_COPTS "-Wno-unused-command-line-argument")
|
|
|
|
endif()
|
|
|
|
elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "x86_64|amd64|AMD64")
|
|
|
|
if (MSVC)
|
|
|
|
set(ABSL_RANDOM_RANDEN_COPTS "${ABSL_RANDOM_HWAES_MSVC_X64_FLAGS}")
|
|
|
|
else()
|
|
|
|
set(ABSL_RANDOM_RANDEN_COPTS "${ABSL_RANDOM_HWAES_X64_FLAGS}")
|
|
|
|
endif()
|
|
|
|
elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "arm.*|aarch64")
|
|
|
|
if (CMAKE_SIZEOF_VOID_P STREQUAL "8")
|
|
|
|
set(ABSL_RANDOM_RANDEN_COPTS "${ABSL_RANDOM_HWAES_ARM64_FLAGS}")
|
|
|
|
elseif(CMAKE_SIZEOF_VOID_P STREQUAL "4")
|
|
|
|
set(ABSL_RANDOM_RANDEN_COPTS "${ABSL_RANDOM_HWAES_ARM32_FLAGS}")
|
|
|
|
else()
|
|
|
|
message(WARNING "Value of CMAKE_SIZEOF_VOID_P (${CMAKE_SIZEOF_VOID_P}) is not supported.")
|
|
|
|
endif()
|
|
|
|
else()
|
|
|
|
message(WARNING "Value of CMAKE_SYSTEM_PROCESSOR (${CMAKE_SYSTEM_PROCESSOR}) is unknown and cannot be used to set ABSL_RANDOM_RANDEN_COPTS")
|
|
|
|
set(ABSL_RANDOM_RANDEN_COPTS "")
|
|
|
|
endif()
|
|
|
|
|
|
|
|
|
|
|
|
if(CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
|
|
|
|
set(ABSL_DEFAULT_COPTS "${ABSL_GCC_FLAGS}")
|
|
|
|
set(ABSL_TEST_COPTS "${ABSL_GCC_FLAGS};${ABSL_GCC_TEST_FLAGS}")
|
|
|
|
elseif(CMAKE_CXX_COMPILER_ID MATCHES "Clang") # MATCHES so we get both Clang and AppleClang
|
|
|
|
if(MSVC)
|
|
|
|
# clang-cl is half MSVC, half LLVM
|
|
|
|
set(ABSL_DEFAULT_COPTS "${ABSL_CLANG_CL_FLAGS}")
|
|
|
|
set(ABSL_TEST_COPTS "${ABSL_CLANG_CL_FLAGS};${ABSL_CLANG_CL_TEST_FLAGS}")
|
|
|
|
else()
|
|
|
|
set(ABSL_DEFAULT_COPTS "${ABSL_LLVM_FLAGS}")
|
|
|
|
set(ABSL_TEST_COPTS "${ABSL_LLVM_FLAGS};${ABSL_LLVM_TEST_FLAGS}")
|
|
|
|
if(CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
|
|
|
|
# AppleClang doesn't have lsan
|
|
|
|
# https://developer.apple.com/documentation/code_diagnostics
|
|
|
|
if(NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 3.5)
|
|
|
|
set(ABSL_LSAN_LINKOPTS "-fsanitize=leak")
|
|
|
|
set(ABSL_HAVE_LSAN ON)
|
|
|
|
endif()
|
|
|
|
endif()
|
|
|
|
endif()
|
|
|
|
elseif(CMAKE_CXX_COMPILER_ID STREQUAL "MSVC")
|
|
|
|
set(ABSL_DEFAULT_COPTS "${ABSL_MSVC_FLAGS}")
|
|
|
|
set(ABSL_TEST_COPTS "${ABSL_MSVC_FLAGS};${ABSL_MSVC_TEST_FLAGS}")
|
|
|
|
set(ABSL_DEFAULT_LINKOPTS "${ABSL_MSVC_LINKOPTS}")
|
|
|
|
else()
|
|
|
|
message(WARNING "Unknown compiler: ${CMAKE_CXX_COMPILER}. Building with no default flags")
|
|
|
|
set(ABSL_DEFAULT_COPTS "")
|
|
|
|
set(ABSL_TEST_COPTS "")
|
|
|
|
endif()
|
|
|
|
|
|
|
|
set(ABSL_CXX_STANDARD "${CMAKE_CXX_STANDARD}")
|