[CMake] Adding experimental support for tvOS and watchOS

Summary:
* Refactored the iOS config-ix.cmake code to be a more compact loop over supported embedded platforms.
* Added watchOS and tvOS as experimental platforms, they don't currently build so they are disabled by default

Reviewers: zaks.anna, kubabrecka, samsonov

Subscribers: llvm-commits

Differential Revision: http://reviews.llvm.org/D16119

llvm-svn: 257544

compiler-rt/cmake/config-ix.cmake

@@ -299,10 +299,44 @@ if(APPLE)
   endif()
 
   option(COMPILER_RT_ENABLE_IOS "Enable building for iOS - Experimental" Off)
+  option(COMPILER_RT_ENABLE_WATCHOS "Enable building for watchOS - Experimental" Off)
+  option(COMPILER_RT_ENABLE_TVOS "Enable building for tvOS - Experimental" Off)
 
   find_darwin_sdk_dir(DARWIN_osx_SYSROOT macosx)
   find_darwin_sdk_dir(DARWIN_iossim_SYSROOT iphonesimulator)
   find_darwin_sdk_dir(DARWIN_ios_SYSROOT iphoneos)
+  find_darwin_sdk_dir(DARWIN_watchossim_SYSROOT watchsimulator)
+  find_darwin_sdk_dir(DARWIN_watchos_SYSROOT watchos)
+  find_darwin_sdk_dir(DARWIN_tvossim_SYSROOT appletvsimulator)
+  find_darwin_sdk_dir(DARWIN_tvos_SYSROOT appletvos)
+
+  if(COMPILER_RT_ENABLE_IOS)
+    list(APPEND DARWIN_EMBEDDED_PLATFORMS ios)
+    set(DARWIN_ios_MIN_VER_FLAG -miphoneos-version-min)
+    set(DARWIN_ios_SANITIZER_MIN_VER_FLAG
+      ${DARWIN_ios_MIN_VER_FLAG}=7.0)
+    set(DARWIN_ios_BUILTIN_MIN_VER 6.0)
+    set(DARWIN_ios_BUILTIN_MIN_VER_FLAG
+      ${DARWIN_ios_MIN_VER_FLAG}=${DARWIN_ios_BUILTIN_MIN_VER})
+  endif()
+  if(COMPILER_RT_ENABLE_WATCHOS)
+    list(APPEND DARWIN_EMBEDDED_PLATFORMS watchos)
+    set(DARWIN_watchos_MIN_VER_FLAG -mwatchos-version-min)
+    set(DARWIN_watchos_SANITIZER_MIN_VER_FLAG
+      ${DARWIN_watchos_MIN_VER_FLAG}=2.0)
+    set(DARWIN_watchos_BUILTIN_MIN_VER 2.0)
+    set(DARWIN_watchos_BUILTIN_MIN_VER_FLAG
+      ${DARWIN_watchos_MIN_VER_FLAG}=${DARWIN_watchos_BUILTIN_MIN_VER})
+  endif()
+  if(COMPILER_RT_ENABLE_TVOS)
+    list(APPEND DARWIN_EMBEDDED_PLATFORMS tvos)
+    set(DARWIN_tvos_MIN_VER_FLAG -mtvos-version-min)
+    set(DARWIN_tvos_SANITIZER_MIN_VER_FLAG
+      ${DARWIN_tvos_MIN_VER_FLAG}=9.0)
+    set(DARWIN_tvos_BUILTIN_MIN_VER 9.0)
+    set(DARWIN_tvos_BUILTIN_MIN_VER_FLAG
+      ${DARWIN_tvos_MIN_VER_FLAG}=${DARWIN_tvos_BUILTIN_MIN_VER})
+  endif()
 
   # Note: In order to target x86_64h on OS X the minimum deployment target must
   # be 10.8 or higher.
@@ -384,62 +418,62 @@ if(APPLE)
       list(APPEND BUILTIN_SUPPORTED_OS 10.4)
     endif()
 
-    if(DARWIN_iossim_SYSROOT)
-      set(DARWIN_iossim_CFLAGS
-        ${DARWIN_COMMON_CFLAGS}
-        -mios-simulator-version-min=7.0
-        -isysroot ${DARWIN_iossim_SYSROOT})
-      set(DARWIN_iossim_LINKFLAGS
-        ${DARWIN_COMMON_LINKFLAGS}
-        -mios-simulator-version-min=7.0
-        -isysroot ${DARWIN_iossim_SYSROOT})
-      set(DARWIN_iossim_BUILTIN_MIN_VER 6.0)
-      set(DARWIN_iossim_BUILTIN_MIN_VER_FLAG
-        -mios-simulator-version-min=${DARWIN_iossim_BUILTIN_MIN_VER})
+    foreach(platform ${DARWIN_EMBEDDED_PLATFORMS})
+      if(DARWIN_${platform}sim_SYSROOT)
+        set(DARWIN_${platform}sim_CFLAGS
+          ${DARWIN_COMMON_CFLAGS}
+          ${DARWIN_${platform}_SANITIZER_MIN_VER_FLAG}
+          -isysroot ${DARWIN_iossim_SYSROOT})
+        set(DARWIN_${platform}sim_LINKFLAGS
+          ${DARWIN_COMMON_LINKFLAGS}
+          ${DARWIN_${platform}_SANITIZER_MIN_VER_FLAG}
+          -isysroot ${DARWIN_${platform}sim_SYSROOT})
+        set(DARWIN_${platform}sim_BUILTIN_MIN_VER
+          ${DARWIN_${platform}_BUILTIN_MIN_VER})
+        set(DARWIN_${platform}sim_BUILTIN_MIN_VER_FLAG
+          ${DARWIN_${platform}_BUILTIN_MIN_VER_FLAG})
 
-      set(DARWIN_iossim_SKIP_CC_KEXT On)
-      darwin_test_archs(iossim
-        DARWIN_iossim_ARCHS
-        ${toolchain_arches})
-      message(STATUS "iOS Simulator supported arches: ${DARWIN_iossim_ARCHS}")
-      if(DARWIN_iossim_ARCHS)
-        list(APPEND SANITIZER_COMMON_SUPPORTED_OS iossim)
-        list(APPEND BUILTIN_SUPPORTED_OS iossim)
-        list(APPEND PROFILE_SUPPORTED_OS iossim)
+        set(DARWIN_${platform}sim_SKIP_CC_KEXT On)
+        darwin_test_archs(${platform}sim
+          DARWIN_${platform}sim_ARCHS
+          ${toolchain_arches})
+        message(STATUS "${platform} Simulator supported arches: ${DARWIN_${platform}sim_ARCHS}")
+        if(DARWIN_iossim_ARCHS)
+          list(APPEND SANITIZER_COMMON_SUPPORTED_OS ${platform}sim)
+          list(APPEND BUILTIN_SUPPORTED_OS ${platform}sim)
+          list(APPEND PROFILE_SUPPORTED_OS ${platform}sim)
+        endif()
+        foreach(arch ${DARWIN_${platform}sim_ARCHS})
+          list(APPEND COMPILER_RT_SUPPORTED_ARCH ${arch})
+          set(CAN_TARGET_${arch} 1)
+        endforeach()
       endif()
-      foreach(arch ${DARWIN_iossim_ARCHS})
-        list(APPEND COMPILER_RT_SUPPORTED_ARCH ${arch})
-        set(CAN_TARGET_${arch} 1)
-      endforeach()
-    endif()
 
-    if(DARWIN_ios_SYSROOT AND COMPILER_RT_ENABLE_IOS)
-      set(DARWIN_ios_CFLAGS
-        ${DARWIN_COMMON_CFLAGS}
-        -miphoneos-version-min=7.0
-        -isysroot ${DARWIN_ios_SYSROOT})
-      set(DARWIN_ios_LINKFLAGS
-        ${DARWIN_COMMON_LINKFLAGS}
-        -miphoneos-version-min=7.0
-        -isysroot ${DARWIN_ios_SYSROOT})
-      set(DARWIN_ios_BUILTIN_MIN_VER 6.0)
-      set(DARWIN_ios_BUILTIN_MIN_VER_FLAG
-        -miphoneos-version-min=${DARWIN_ios_BUILTIN_MIN_VER})
+      if(DARWIN_${platform}_SYSROOT)
+        set(DARWIN_${platform}_CFLAGS
+          ${DARWIN_COMMON_CFLAGS}
+          ${DARWIN_${platform}_SANITIZER_MIN_VER_FLAG}
+          -isysroot ${DARWIN_${platform}_SYSROOT})
+        set(DARWIN_${platform}_LINKFLAGS
+          ${DARWIN_COMMON_LINKFLAGS}
+          ${DARWIN_${platform}_SANITIZER_MIN_VER_FLAG}
+          -isysroot ${DARWIN_${platform}_SYSROOT})
 
-      darwin_test_archs(ios
-        DARWIN_ios_ARCHS
-        ${toolchain_arches})
-      message(STATUS "iOS supported arches: ${DARWIN_ios_ARCHS}")
-      if(DARWIN_ios_ARCHS)
-        list(APPEND SANITIZER_COMMON_SUPPORTED_OS ios)
-        list(APPEND BUILTIN_SUPPORTED_OS ios)
-        list(APPEND PROFILE_SUPPORTED_OS ios)
+        darwin_test_archs(${platform}
+          DARWIN_${platform}_ARCHS
+          ${toolchain_arches})
+        message(STATUS "${platform} supported arches: ${DARWIN_${platform}_ARCHS}")
+        if(DARWIN_${platform}_ARCHS)
+          list(APPEND SANITIZER_COMMON_SUPPORTED_OS ${platform})
+          list(APPEND BUILTIN_SUPPORTED_OS ${platform})
+          list(APPEND PROFILE_SUPPORTED_OS ${platform})
+        endif()
+        foreach(arch ${DARWIN_${platform}_ARCHS})
+          list(APPEND COMPILER_RT_SUPPORTED_ARCH ${arch})
+          set(CAN_TARGET_${arch} 1)
+        endforeach()
       endif()
-      foreach(arch ${DARWIN_ios_ARCHS})
-        list(APPEND COMPILER_RT_SUPPORTED_ARCH ${arch})
-        set(CAN_TARGET_${arch} 1)
-      endforeach()
-    endif()
+    endforeach()
   endif()
 
   # for list_union