Index: tools/llvm-exegesis/lib/CMakeLists.txt
===================================================================
--- tools/llvm-exegesis/lib/CMakeLists.txt
+++ tools/llvm-exegesis/lib/CMakeLists.txt
@@ -1,12 +1,16 @@
+set(TARGETS_TO_APPEND "")
+
 if (LLVM_TARGETS_TO_BUILD MATCHES "X86")
   add_subdirectory(X86)
-  set(LLVM_EXEGESIS_TARGETS "${LLVM_EXEGESIS_TARGETS} X86" PARENT_SCOPE)
+  set(TARGETS_TO_APPEND "${TARGETS_TO_APPEND} X86")
 endif()
 if (LLVM_TARGETS_TO_BUILD MATCHES "AArch64")
   add_subdirectory(AArch64)
-  set(LLVM_EXEGESIS_TARGETS "${LLVM_EXEGESIS_TARGETS} AArch64" PARENT_SCOPE)
+  set(TARGETS_TO_APPEND "${TARGETS_TO_APPEND} AArch64")
 endif()
 
+set(LLVM_EXEGESIS_TARGETS "${LLVM_EXEGESIS_TARGETS} ${TARGETS_TO_APPEND}" PARENT_SCOPE)
+
 add_library(LLVMExegesis
   STATIC
   Analysis.cpp