Don't explicitly set XCode SDK root if already specified.

helium · Feb 23, 2021 · 4974e4a · JayKickliter · Feb 23, 2021 · 4974e4a
1 parent 0ed9a36
commit 4974e4a
Showing 1 changed file with 8 additions and 4 deletions.
diff --git a/c_src/CMakeLists.txt b/c_src/CMakeLists.txt
@@ -12,10 +12,14 @@ include(ASan)
 IF (APPLE)
   set(CMAKE_MODULE_LINKER_FLAGS "-flat_namespace -undefined suppress")
   set(CMAKE_MACOSX_RPATH 1)
-  execute_process(COMMAND
-    xcrun --show-sdk-path
-    OUTPUT_VARIABLE APPLE_SDK_ROOT
-    )
+  if (NOT DEFINED ENV{SDKROOT})
+    execute_process(COMMAND
+      xcrun --show-sdk-path
+      OUTPUT_VARIABLE APPLE_SDK_ROOT
+      )
+  else()
+     set(APPLE_SDK_ROOT $ENV{SDKROOT})
+  endif()
   set(GF_APPLE_ENV "SDKROOT=${APPLE_SDK_ROOT}")
 ENDIF()