[compiler-rt] Do not search for sysroots for disabled Darwin targets

Author: cofibrant

compiler-rt/cmake/builtin-config-ix.cmake

@@ -117,14 +117,22 @@ include(CompilerRTDarwinUtils)
 if(APPLE)
 
   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)
-  find_darwin_sdk_dir(DARWIN_xrossim_SYSROOT xrsimulator)
-  find_darwin_sdk_dir(DARWIN_xros_SYSROOT xros)
+  if(COMPILER_RT_ENABLE_IOS)
+    find_darwin_sdk_dir(DARWIN_iossim_SYSROOT iphonesimulator)
+    find_darwin_sdk_dir(DARWIN_ios_SYSROOT iphoneos)
+  endif()
+  if(COMPILER_RT_ENABLE_WATCHOS)
+    find_darwin_sdk_dir(DARWIN_watchossim_SYSROOT watchsimulator)
+    find_darwin_sdk_dir(DARWIN_watchos_SYSROOT watchos)
+  endif()
+  if(COMPILER_RT_ENABLE_TVOS)
+    find_darwin_sdk_dir(DARWIN_tvossim_SYSROOT appletvsimulator)
+    find_darwin_sdk_dir(DARWIN_tvos_SYSROOT appletvos)
+  endif()
+  if(COMPILER_RT_ENABLE_XROS)
+    find_darwin_sdk_dir(DARWIN_xrossim_SYSROOT xrsimulator)
+    find_darwin_sdk_dir(DARWIN_xros_SYSROOT xros)
+  endif()
 
   # Get supported architecture from SDKSettings.
   function(sdk_has_arch_support sdk_path os arch has_support)

compiler-rt/cmake/config-ix.cmake

@@ -408,12 +408,18 @@ if(APPLE)
   include(CompilerRTDarwinUtils)
 
   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)
+    find_darwin_sdk_dir(DARWIN_iossim_SYSROOT iphonesimulator)
+    find_darwin_sdk_dir(DARWIN_ios_SYSROOT iphoneos)
+  endif()
+  if(COMPILER_RT_ENABLE_WATCHOS)
+    find_darwin_sdk_dir(DARWIN_watchossim_SYSROOT watchsimulator)
+    find_darwin_sdk_dir(DARWIN_watchos_SYSROOT watchos)
+  endif()
+  if(COMPILER_RT_ENABLE_TVOS)
+    find_darwin_sdk_dir(DARWIN_tvossim_SYSROOT appletvsimulator)
+    find_darwin_sdk_dir(DARWIN_tvos_SYSROOT appletvos)
+  endif()
 
   if(NOT DARWIN_osx_SYSROOT)
     message(WARNING "Could not determine OS X sysroot, trying /usr/include")