Build: Move platform detection to its own module
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4d0800151a
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@ -31,28 +31,6 @@ endif()
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#set(CMAKE_VERBOSE_MAKEFILE ON)
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#set(CMAKE_INSTALL_ALWAYS ON)
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# Host OS Check
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set(HOST_OS "")
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if(${CMAKE_SYSTEM_NAME} STREQUAL "Linux")
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set(HOST_OS "linux")
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endif()
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if(${CMAKE_SYSTEM_NAME} MATCHES ".*(SunOS|Solaris).*")
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set(HOST_OS "solaris")
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set(SOLARIS 1)
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endif()
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if(${CMAKE_SYSTEM_NAME} MATCHES ".*BSD.*")
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set(HOST_OS "BSD")
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set(BSD 1)
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endif()
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if(${CMAKE_SYSTEM_NAME} STREQUAL "Darwin")
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set(HOST_OS "darwin")
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endif()
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if(NOT HOST_OS)
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message(FATAL_ERROR
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"ZoneMinder was unable to deterimine the host OS. Please report this.
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Value of CMAKE_SYSTEM_NAME: ${CMAKE_SYSTEM_NAME}")
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endif()
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set(CMAKE_CXX_STANDARD 11)
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11")
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# Default CLFAGS and CXXFLAGS:
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@ -66,26 +44,13 @@ set(CMAKE_INCLUDE_CURRENT_DIR ON)
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set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${CMAKE_SOURCE_DIR}/cmake/Modules/")
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set(CMAKE_CXX_STANDARD 11)
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include(CheckPlatform)
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# GCC below 6.0 doesn't support __target__("fpu=neon") attribute, required for compiling ARM Neon code, otherwise compilation fails.
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# Must use -mfpu=neon compiler flag instead, but only do that for processors that support neon, otherwise strip the neon code alltogether,
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# because passing -fmpu=neon is unsafe to processors that don't support neon
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# Arm neon support only tested on Linux. If your arm hardware is running a non-Linux distro and is using gcc then contact us.
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if(CMAKE_SYSTEM_NAME MATCHES "Linux")
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string(TOLOWER "${CMAKE_SYSTEM_PROCESSOR}" ZM_SYSTEM_PROC)
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if((ZM_SYSTEM_PROC STREQUAL "") OR (ZM_SYSTEM_PROC STREQUAL "unknown"))
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execute_process(COMMAND uname -m OUTPUT_VARIABLE ZM_SYSTEM_PROC ERROR_VARIABLE ZM_SYSTEM_PROC_ERR)
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# maybe make the following error checks fatal
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if(ZM_SYSTEM_PROC_ERR)
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message(WARNING "\nAn error occurred while attempting to determine the system processor:\n${ZM_SYSTEM_PROC_ERR}")
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endif()
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if(NOT ZM_SYSTEM_PROC)
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message(WARNING "\nUnable to determine the system processor. This may cause a build failure.\n")
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endif()
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endif()
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if(ZM_SYSTEM_PROC MATCHES "^arm")
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if(CMAKE_COMPILER_IS_GNUCXX AND CMAKE_CXX_COMPILER_VERSION VERSION_LESS 6.0)
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exec_program(grep ARGS " neon " "/proc/cpuinfo" OUTPUT_VARIABLE neonoutput RETURN_VALUE neonresult)
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@ -100,7 +65,6 @@ if(CMAKE_SYSTEM_NAME MATCHES "Linux")
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endif()
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endif()
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endif()
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endif()
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# Modules that we need:
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include(GNUInstallDirs)
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@ -0,0 +1,35 @@
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set(HOST_OS "")
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if(${CMAKE_SYSTEM_NAME} STREQUAL "Linux")
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set(HOST_OS "linux")
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endif()
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if(${CMAKE_SYSTEM_NAME} MATCHES ".*(SunOS|Solaris).*")
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set(HOST_OS "solaris")
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set(SOLARIS 1)
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endif()
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if(${CMAKE_SYSTEM_NAME} MATCHES ".*BSD.*")
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set(HOST_OS "BSD")
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set(BSD 1)
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endif()
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if(${CMAKE_SYSTEM_NAME} STREQUAL "Darwin")
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set(HOST_OS "darwin")
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endif()
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if(NOT HOST_OS)
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message(FATAL_ERROR
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"ZoneMinder was unable to deterimine the host OS. Please report this.
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Value of CMAKE_SYSTEM_NAME: ${CMAKE_SYSTEM_NAME}")
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endif()
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if(CMAKE_SYSTEM_NAME MATCHES "Linux")
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string(TOLOWER "${CMAKE_SYSTEM_PROCESSOR}" ZM_SYSTEM_PROC)
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if((ZM_SYSTEM_PROC STREQUAL "") OR (ZM_SYSTEM_PROC STREQUAL "unknown"))
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execute_process(COMMAND uname -m OUTPUT_VARIABLE ZM_SYSTEM_PROC ERROR_VARIABLE ZM_SYSTEM_PROC_ERR)
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# maybe make the following error checks fatal
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if(ZM_SYSTEM_PROC_ERR)
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message(WARNING "\nAn error occurred while attempting to determine the system processor:\n${ZM_SYSTEM_PROC_ERR}")
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endif()
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if(NOT ZM_SYSTEM_PROC)
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message(WARNING "\nUnable to determine the system processor. This may cause a build failure.\n")
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endif()
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endif()
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endif()
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