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#############################################################################
#
# ViSP, open source Visual Servoing Platform software.
# Copyright (C) 2005 - 2025 by Inria. All rights reserved.
#
# This software is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
# See the file LICENSE.txt at the root directory of this source
# distribution for additional information about the GNU GPL.
#
# For using ViSP with software that can not be combined with the GNU
# GPL, please contact Inria about acquiring a ViSP Professional
# Edition License.
#
# See https://visp.inria.fr for more information.
#
# This software was developed at:
# Inria Rennes - Bretagne Atlantique
# Campus Universitaire de Beaulieu
# 35042 Rennes Cedex
# France
#
# If you have questions regarding the use of this file, please contact
# Inria at visp@inria.fr
#
# This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
# WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
#
#############################################################################
if(CMAKE_CL_64)
set(MSVC64 1)
endif()
if(CMAKE_CXX_COMPILER_ID MATCHES "Clang") # Clang or AppleClang (see CMP0025)
if(NOT CMAKE_CXX_COMPILER_FRONTEND_VARIANT MATCHES "MSVC")
set(CMAKE_COMPILER_IS_GNUCXX 1)
endif()
set(CMAKE_COMPILER_IS_CLANGCXX 1)
endif()
if(CMAKE_C_COMPILER_ID MATCHES "Clang") # Clang or AppleClang (see CMP0025)
if(NOT CMAKE_CXX_COMPILER_FRONTEND_VARIANT MATCHES "MSVC")
set(CMAKE_COMPILER_IS_GNUCC 1)
endif()
set(CMAKE_COMPILER_IS_CLANGCC 1)
endif()
# ----------------------------------------------------------------------------
# Detect Intel ICC compiler for -fPIC in 3rdparty ( UNIX ONLY )
# NOTE: The system needs to determine if the '-fPIC' option needs to be added
# for the 3rdparty static libs being compiled. The CMakeLists.txt files
# in 3rdparty use the CV_ICC definition being set here to determine if
# the -fPIC flag should be used.
# ----------------------------------------------------------------------------
if(UNIX)
if (__ICL)
set(CV_ICC __ICL)
elseif(__ICC)
set(CV_ICC __ICC)
elseif(__ECL)
set(CV_ICC __ECL)
elseif(__ECC)
set(CV_ICC __ECC)
elseif(__INTEL_COMPILER)
set(CV_ICC __INTEL_COMPILER)
elseif(CMAKE_C_COMPILER MATCHES "icc")
set(CV_ICC icc_matches_c_compiler)
endif()
endif()
if(MSVC AND CMAKE_C_COMPILER MATCHES "icc|icl")
set(CV_ICC __INTEL_COMPILER_FOR_WINDOWS)
endif()
message(STATUS "Detected processor: ${CMAKE_SYSTEM_PROCESSOR}")
if(VISP_SKIP_SYSTEM_PROCESSOR_DETECTION)
# custom setup: required variables are passed through cache / CMake's command-line
elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "amd64.*|x86_64.*|AMD64.*")
set(X86_64 1)
elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "i686.*|i386.*|x86.*")
set(X86 1)
elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "^(aarch64.*|AARCH64.*|arm64.*|ARM64.*)")
set(AARCH64 1)
elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "^(arm.*|ARM.*)")
set(ARM 1)
elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "^(powerpc|ppc)64le")
set(PPC64LE 1)
elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "^(powerpc|ppc)64")
set(PPC64 1)
elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "^(mips.*|MIPS.*)")
set(MIPS 1)
elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "^(riscv.*|RISCV.*)")
set(RISCV 1)
elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "^(loongarch64.*|LOONGARCH64.*)")
set(LOONGARCH64 1)
else()
if(NOT VISP_SUPPRESS_MESSAGE_UNRECOGNIZED_SYSTEM_PROCESSOR)
message(WARNING "ViSP: unrecognized target processor configuration")
endif()
endif()
# Workaround for 32-bit operating systems on 64-bit x86_64 processor
if(X86_64 AND CMAKE_SIZEOF_VOID_P EQUAL 4 AND NOT FORCE_X86_64)
message(STATUS "sizeof(void) = 4 on x86 / x86_64 processor. Assume 32-bit compilation mode (X86=1)")
if (X86_64)
unset(X86_64)
set(X86 1)
endif()
endif()
# Workaround for 32-bit operating systems on aarch64 processor
if(CMAKE_SIZEOF_VOID_P EQUAL 4 AND AARCH64 AND NOT FORCE_AARCH64)
message(STATUS "sizeof(void) = 4 on 64 bit processor. Assume 32-bit compilation mode")
if(AARCH64)
unset(AARCH64)
set(ARM 1)
endif()
endif()
# ----------------------------------------------------------------------------
# Similar code exist in VISPConfig.cmake
# ----------------------------------------------------------------------------
if(NOT DEFINED VISP_STATIC)
# look for global setting
if(NOT DEFINED BUILD_SHARED_LIBS OR BUILD_SHARED_LIBS)
set(VISP_STATIC OFF)
else()
set(VISP_STATIC ON)
endif()
endif()
if(DEFINED VISP_ARCH AND DEFINED VISP_RUNTIME)
# custom overridden values
elseif(MSVC)
if(CMAKE_CL_64)
set(VISP_ARCH x64)
elseif((CMAKE_GENERATOR MATCHES "ARM") OR ("${arch_hint}" STREQUAL "ARM") OR (CMAKE_VS_EFFECTIVE_PLATFORMS MATCHES "ARM|arm"))
set(VISP_ARCH ARM)
else()
set(VISP_ARCH x86)
endif()
if(MSVC_VERSION EQUAL 1400)
set(VISP_RUNTIME vc8)
elseif(MSVC_VERSION EQUAL 1500)
set(VISP_RUNTIME vc9)
elseif(MSVC_VERSION EQUAL 1600)
set(VISP_RUNTIME vc10)
elseif(MSVC_VERSION EQUAL 1700)
set(VISP_RUNTIME vc11)
elseif(MSVC_VERSION EQUAL 1800)
set(VISP_RUNTIME vc12)
elseif(MSVC_VERSION EQUAL 1900)
set(VISP_RUNTIME vc14)
elseif(MSVC_VERSION MATCHES "^191[0-9]$")
set(VISP_RUNTIME vc15)
elseif(MSVC_VERSION MATCHES "^192[0-9]$")
set(VISP_RUNTIME vc16)
elseif(MSVC_VERSION MATCHES "^19[34][0-9]$")
set(VISP_RUNTIME vc17)
elseif(MSVC_VERSION MATCHES "^195[0-9]$")
set(VISP_RUNTIME vc18)
else()
message(WARNING "ViSP does not recognize MSVC_VERSION \"${MSVC_VERSION}\". Cannot set VISP_RUNTIME")
endif()
elseif(MINGW)
set(VISP_RUNTIME mingw)
if(CMAKE_SYSTEM_PROCESSOR MATCHES "amd64.*|x86_64.*|AMD64.*")
set(VISP_ARCH x64)
else()
set(VISP_ARCH x86)
endif()
endif()
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