[PATCH] D25314: [libcxxabi] [cmake] Handle missing LIBUNWIND_* directories gracefully

[Michał Górny via Phabricator via cfe-commits]

This revision was automatically updated to reflect the committed changes.
Closed by commit rL292018: [cmake] Handle missing LIBUNWIND_* directories gracefully (authored by mgorny).

Changed prior to commit:
  https://reviews.llvm.org/D25314?vs=73770&id=84455#toc

Repository:
  rL LLVM

https://reviews.llvm.org/D25314

Files:
  libcxxabi/trunk/CMakeLists.txt


Index: libcxxabi/trunk/CMakeLists.txt
===================================================================
--- libcxxabi/trunk/CMakeLists.txt
+++ libcxxabi/trunk/CMakeLists.txt
@@ -479,8 +479,12 @@
     set(LIBCXXABI_LIBUNWIND_SOURCES "")
   endif()
 
-  include_directories("${LIBCXXABI_LIBUNWIND_INCLUDES_INTERNAL}")
-  include_directories("${LIBCXXABI_LIBUNWIND_SOURCES}")
+  if (NOT LIBCXXABI_LIBUNWIND_INCLUDES_INTERNAL STREQUAL "LIBCXXABI_LIBUNWIND_INCLUDES_INTERNAL-NOTFOUND")
+    include_directories("${LIBCXXABI_LIBUNWIND_INCLUDES_INTERNAL}")
+  endif()
+  if (NOT LIBCXXABI_LIBUNWIND_SOURCES STREQUAL "")
+    include_directories("${LIBCXXABI_LIBUNWIND_SOURCES}")
+  endif()
 endif()
 
 # Add source code. This also contains all of the logic for deciding linker flags


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