[PATCH] D50135: [libunwind] [CMake] Allow building standalone without any llvm-config available

[Martin Storsjö via Phabricator via cfe-commits]

This revision was automatically updated to reflect the committed changes.
Closed by commit rL338819: [CMake] Allow building standalone without any llvm-config available (authored by mstorsjo, committed by ).
Herald added subscribers: llvm-commits, christof.

Changed prior to commit:
  https://reviews.llvm.org/D50135?vs=158495&id=158922#toc

Repository:
  rL LLVM

https://reviews.llvm.org/D50135

Files:
  libunwind/trunk/CMakeLists.txt


Index: libunwind/trunk/CMakeLists.txt
===================================================================
--- libunwind/trunk/CMakeLists.txt
+++ libunwind/trunk/CMakeLists.txt
@@ -66,17 +66,18 @@
       set(LLVM_CMAKE_PATH "${LLVM_BINARY_DIR_CMAKE_STYLE}/lib${LLVM_LIBDIR_SUFFIX}/cmake/llvm")
     endif()
   else()
-    message(FATAL_ERROR "llvm-config not found and LLVM_MAIN_SRC_DIR not defined. "
-                        "Reconfigure with -DLLVM_CONFIG=path/to/llvm-config "
-                        "or -DLLVM_PATH=path/to/llvm-source-root.")
+    message(WARNING "UNSUPPORTED LIBUNWIND CONFIGURATION DETECTED: "
+                    "llvm-config not found and LLVM_MAIN_SRC_DIR not defined. "
+                    "Reconfigure with -DLLVM_CONFIG=path/to/llvm-config "
+                    "or -DLLVM_PATH=path/to/llvm-source-root.")
   endif()
 
   if (EXISTS ${LLVM_CMAKE_PATH})
     list(APPEND CMAKE_MODULE_PATH "${LLVM_CMAKE_PATH}")
     include("${LLVM_CMAKE_PATH}/AddLLVM.cmake")
     include("${LLVM_CMAKE_PATH}/HandleLLVMOptions.cmake")
   else()
-    message(FATAL_ERROR "Not found: ${LLVM_CMAKE_PATH}")
+    message(WARNING "Not found: ${LLVM_CMAKE_PATH}")
   endif()
 
   set(PACKAGE_NAME libunwind)
@@ -366,4 +367,6 @@
   add_subdirectory(docs)
 endif()
 
-add_subdirectory(test)
+if (EXISTS ${LLVM_CMAKE_PATH})
+  add_subdirectory(test)
+endif()


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