Have llvm-c-test only use libLLVM if libLLVM has all the right components.

[oota-llvm.git] / tools / llvm-c-test / CMakeLists.txt

diff --git a/tools/llvm-c-test/CMakeLists.txt b/tools/llvm-c-test/CMakeLists.txt
index 989678b5a15e1aa08e5247819c1f7bcc9c2e2f7c..baf970a02781a5a62ca93ee7b1d9a76028c3f4ff 100644 (file)
--- a/tools/llvm-c-test/CMakeLists.txt
+++ b/tools/llvm-c-test/CMakeLists.txt
@@ -7,7 +7,26 @@ set(LLVM_LINK_COMPONENTS
   Target
   )
 
-if(TARGET LLVM)
+# We should only have llvm-c-test use libLLVM if libLLVM is built with the
+# default list of components. Using libLLVM with custom components can result in
+# build failures.
+
+set (USE_LLVM_DYLIB FALSE)
+
+if (TARGET LLVM)
+  set (USE_LLVM_DYLIB TRUE)
+  if (DEFINED LLVM_DYLIB_COMPONENTS)
+    foreach(c in ${LLVM_LINK_COMPONENTS})
+      list(FIND LLVM_DYLIB_COMPONENTS ${c} C_IDX)
+      if (C_IDX EQUAL -1)
+        set(USE_LLVM_DYLIB FALSE)
+        break()
+      endif()
+    endforeach()
+  endif()
+endif()
+
+if(USE_LLVM_DYLIB)
   set(LLVM_LINK_COMPONENTS)
 endif()
 
@@ -26,7 +45,6 @@ add_llvm_tool(llvm-c-test
   targets.c
   )
 
-# Use libLLVM.so if it is available.
-if(TARGET LLVM)
+if(USE_LLVM_DYLIB)
   target_link_libraries(llvm-c-test LLVM)
 endif()