detectplatform.cmake

   1 #----------------------------------------
   2 # Detect and set platform variable names
   3 #     - for non-windows build platform & architecture is detected using inbuilt CMAKE variables and cross target component configure
   4 #     - for windows we use the passed in parameter to CMAKE to determine build arch
   5 #----------------------------------------
   6 if(CMAKE_SYSTEM_NAME STREQUAL Linux)
   7     set(CLR_CMAKE_PLATFORM_UNIX 1)
   8     if(CLR_CROSS_COMPONENTS_BUILD)
   9         # CMAKE_HOST_SYSTEM_PROCESSOR returns the value of `uname -p` on host.
  10         if(CMAKE_HOST_SYSTEM_PROCESSOR STREQUAL x86_64 OR CMAKE_HOST_SYSTEM_PROCESSOR STREQUAL amd64)
  11             if(CLR_CMAKE_TARGET_ARCH STREQUAL "arm")
  12                 set(CLR_CMAKE_PLATFORM_UNIX_X86 1)
  13             else()
  14                 set(CLR_CMAKE_PLATFORM_UNIX_AMD64 1)
  15             endif()
  16         elseif(CMAKE_HOST_SYSTEM_PROCESSOR STREQUAL i686)
  17             set(CLR_CMAKE_PLATFORM_UNIX_X86 1)
  18         else()
  19             clr_unknown_arch()
  20         endif()
  21     else()
  22         # CMAKE_SYSTEM_PROCESSOR returns the value of `uname -p` on target.
  23         # For the AMD/Intel 64bit architecture two different strings are common.
  24         # Linux and Darwin identify it as "x86_64" while FreeBSD and netbsd uses the
  25         # "amd64" string. Accept either of the two here.
  26         if(CMAKE_SYSTEM_PROCESSOR STREQUAL x86_64 OR CMAKE_SYSTEM_PROCESSOR STREQUAL amd64)
  27             set(CLR_CMAKE_PLATFORM_UNIX_AMD64 1)
  28         elseif(CMAKE_SYSTEM_PROCESSOR STREQUAL armv7l)
  29             set(CLR_CMAKE_PLATFORM_UNIX_ARM 1)
  30         elseif(CMAKE_SYSTEM_PROCESSOR STREQUAL arm)
  31             set(CLR_CMAKE_PLATFORM_UNIX_ARM 1)
  32         elseif(CMAKE_SYSTEM_PROCESSOR STREQUAL aarch64)
  33             set(CLR_CMAKE_PLATFORM_UNIX_ARM64 1)
  34         elseif(CMAKE_SYSTEM_PROCESSOR STREQUAL i686)
  35             set(CLR_CMAKE_PLATFORM_UNIX_X86 1)
  36         else()
  37             clr_unknown_arch()
  38         endif()
  39     endif()
  40     set(CLR_CMAKE_PLATFORM_LINUX 1)
  41
  42     # Detect Linux ID
  43     if(DEFINED CLR_CMAKE_LINUX_ID)
  44         if(CLR_CMAKE_LINUX_ID STREQUAL ubuntu)
  45             set(CLR_CMAKE_TARGET_UBUNTU_LINUX 1)
  46         elseif(CLR_CMAKE_LINUX_ID STREQUAL tizen)
  47             set(CLR_CMAKE_TARGET_TIZEN_LINUX 1)
  48         elseif(CLR_CMAKE_LINUX_ID STREQUAL alpine)
  49             set(CLR_CMAKE_PLATFORM_ALPINE_LINUX 1)
  50         endif()
  51         if(CLR_CMAKE_LINUX_ID STREQUAL ubuntu)
  52             set(CLR_CMAKE_PLATFORM_UBUNTU_LINUX 1)
  53         endif()
  54     endif(DEFINED CLR_CMAKE_LINUX_ID)
  55 endif(CMAKE_SYSTEM_NAME STREQUAL Linux)
  56
  57 if(CMAKE_SYSTEM_NAME STREQUAL Darwin)
  58   set(CLR_CMAKE_PLATFORM_UNIX 1)
  59   set(CLR_CMAKE_PLATFORM_UNIX_AMD64 1)
  60   set(CLR_CMAKE_PLATFORM_DARWIN 1)
  61   if(CMAKE_VERSION VERSION_LESS "3.4.0")
  62     set(CMAKE_ASM_COMPILE_OBJECT "${CMAKE_C_COMPILER} <FLAGS> <DEFINES> -o <OBJECT> -c <SOURCE>")
  63   else()
  64     set(CMAKE_ASM_COMPILE_OBJECT "${CMAKE_C_COMPILER} <FLAGS> <DEFINES> <INCLUDES> -o <OBJECT> -c <SOURCE>")
  65   endif(CMAKE_VERSION VERSION_LESS "3.4.0")
  66 endif(CMAKE_SYSTEM_NAME STREQUAL Darwin)
  67
  68 if(CMAKE_SYSTEM_NAME STREQUAL FreeBSD)
  69   set(CLR_CMAKE_PLATFORM_UNIX 1)
  70   set(CLR_CMAKE_PLATFORM_UNIX_AMD64 1)
  71   set(CLR_CMAKE_PLATFORM_FREEBSD 1)
  72 endif(CMAKE_SYSTEM_NAME STREQUAL FreeBSD)
  73
  74 if(CMAKE_SYSTEM_NAME STREQUAL OpenBSD)
  75   set(CLR_CMAKE_PLATFORM_UNIX 1)
  76   set(CLR_CMAKE_PLATFORM_UNIX_AMD64 1)
  77   set(CLR_CMAKE_PLATFORM_OPENBSD 1)
  78 endif(CMAKE_SYSTEM_NAME STREQUAL OpenBSD)
  79
  80 if(CMAKE_SYSTEM_NAME STREQUAL NetBSD)
  81   set(CLR_CMAKE_PLATFORM_UNIX 1)
  82   set(CLR_CMAKE_PLATFORM_UNIX_AMD64 1)
  83   set(CLR_CMAKE_PLATFORM_NETBSD 1)
  84 endif(CMAKE_SYSTEM_NAME STREQUAL NetBSD)
  85
  86 if(CMAKE_SYSTEM_NAME STREQUAL SunOS)
  87   set(CLR_CMAKE_PLATFORM_UNIX 1)
  88   EXECUTE_PROCESS(
  89     COMMAND isainfo -n
  90     OUTPUT_VARIABLE SUNOS_NATIVE_INSTRUCTION_SET
  91     )
  92   if(SUNOS_NATIVE_INSTRUCTION_SET MATCHES "amd64")
  93     set(CLR_CMAKE_PLATFORM_UNIX_AMD64 1)
  94     set(CMAKE_SYSTEM_PROCESSOR "amd64")
  95   else()
  96     clr_unknown_arch()
  97   endif()
  98   set(CLR_CMAKE_PLATFORM_SUNOS 1)
  99 endif(CMAKE_SYSTEM_NAME STREQUAL SunOS)
 100
 101 #--------------------------------------------
 102 # This repo builds two set of binaries
 103 # 1. binaries which execute on target arch machine
 104 #        - for such binaries host architecture & target architecture are same
 105 #        - eg. coreclr.dll
 106 # 2. binaries which execute on host machine but target another architecture
 107 #        - host architecture is different from target architecture
 108 #        - eg. crossgen.exe - runs on x64 machine and generates nis targeting arm64
 109 #        - for complete list of such binaries refer to file crosscomponents.cmake
 110 #-------------------------------------------------------------
 111 # Set HOST architecture variables
 112 if(CLR_CMAKE_PLATFORM_UNIX_ARM)
 113     set(CLR_CMAKE_PLATFORM_ARCH_ARM 1)
 114     set(CLR_CMAKE_HOST_ARCH "arm")
 115 elseif(CLR_CMAKE_PLATFORM_UNIX_ARM64)
 116     set(CLR_CMAKE_PLATFORM_ARCH_ARM64 1)
 117     set(CLR_CMAKE_HOST_ARCH "arm64")
 118 elseif(CLR_CMAKE_PLATFORM_UNIX_AMD64)
 119     set(CLR_CMAKE_PLATFORM_ARCH_AMD64 1)
 120     set(CLR_CMAKE_HOST_ARCH "x64")
 121 elseif(CLR_CMAKE_PLATFORM_UNIX_X86)
 122     set(CLR_CMAKE_PLATFORM_ARCH_I386 1)
 123     set(CLR_CMAKE_HOST_ARCH "x86")
 124 elseif(WIN32)
 125     # CLR_CMAKE_HOST_ARCH is passed in as param to cmake
 126     if (CLR_CMAKE_HOST_ARCH STREQUAL x64)
 127         set(CLR_CMAKE_PLATFORM_ARCH_AMD64 1)
 128     elseif(CLR_CMAKE_HOST_ARCH STREQUAL x86)
 129         set(CLR_CMAKE_PLATFORM_ARCH_I386 1)
 130     elseif(CLR_CMAKE_HOST_ARCH STREQUAL arm)
 131         set(CLR_CMAKE_PLATFORM_ARCH_ARM 1)
 132     elseif(CLR_CMAKE_HOST_ARCH STREQUAL arm64)
 133         set(CLR_CMAKE_PLATFORM_ARCH_ARM64 1)
 134     else()
 135         clr_unknown_arch()
 136     endif()
 137 endif()
 138
 139 # Set TARGET architecture variables
 140 # Target arch will be a cmake param (optional) for both windows as well as non-windows build
 141 # if target arch is not specified then host & target are same
 142 if(NOT DEFINED CLR_CMAKE_TARGET_ARCH OR CLR_CMAKE_TARGET_ARCH STREQUAL "" )
 143   set(CLR_CMAKE_TARGET_ARCH ${CLR_CMAKE_HOST_ARCH})
 144 endif()
 145
 146 # Set target architecture variables
 147 if (CLR_CMAKE_TARGET_ARCH STREQUAL x64)
 148     set(CLR_CMAKE_TARGET_ARCH_AMD64 1)
 149   elseif(CLR_CMAKE_TARGET_ARCH STREQUAL x86)
 150     set(CLR_CMAKE_TARGET_ARCH_I386 1)
 151   elseif(CLR_CMAKE_TARGET_ARCH STREQUAL arm64)
 152     set(CLR_CMAKE_TARGET_ARCH_ARM64 1)
 153   elseif(CLR_CMAKE_TARGET_ARCH STREQUAL arm)
 154     set(CLR_CMAKE_TARGET_ARCH_ARM 1)
 155   else()
 156     clr_unknown_arch()
 157 endif()
 158
 159 # check if host & target arch combination are valid
 160 if(NOT(CLR_CMAKE_TARGET_ARCH STREQUAL CLR_CMAKE_HOST_ARCH))
 161     if(NOT((CLR_CMAKE_PLATFORM_ARCH_AMD64 AND CLR_CMAKE_TARGET_ARCH_ARM64) OR (CLR_CMAKE_PLATFORM_ARCH_I386 AND CLR_CMAKE_TARGET_ARCH_ARM)))
 162         message(FATAL_ERROR "Invalid host and target arch combination")
 163     endif()
 164 endif()