Survive to when libunwind does not exist (hello again windows)

diff --git a/tools/cmake/Modules/FindLibunwind.cmake b/tools/cmake/Modules/FindLibunwind.cmake
index 7912768..ae9b5af 100644 (file)
--- a/tools/cmake/Modules/FindLibunwind.cmake
+++ b/tools/cmake/Modules/FindLibunwind.cmake
@@ -39,10 +39,10 @@ set(LIBUNWIND_FOUND "1")
 
 FIND_PATH(LIBUNWIND_INCLUDE_DIR libunwind.h)
 if(NOT LIBUNWIND_INCLUDE_DIR)
 
 FIND_PATH(LIBUNWIND_INCLUDE_DIR libunwind.h)
 if(NOT LIBUNWIND_INCLUDE_DIR)

-  message(FATAL_ERROR "failed to find libunwind.h")
+  message(WARNING "failed to find libunwind.h")

   set(LIBUNWIND_FOUND "")
 elif(NOT EXISTS "${LIBUNWIND_INCLUDE_DIR}/unwind.h")
   set(LIBUNWIND_FOUND "")
 elif(NOT EXISTS "${LIBUNWIND_INCLUDE_DIR}/unwind.h")

-  message(FATAL_ERROR "libunwind.h was found, but unwind.h was not found in that directory.")
+  message(WARNING "libunwind.h was found, but unwind.h was not found in that directory.")

   set(LIBUNWIND_FOUND "")
   SET(LIBUNWIND_INCLUDE_DIR "")
 endif()
   set(LIBUNWIND_FOUND "")
   SET(LIBUNWIND_INCLUDE_DIR "")
 endif()


@@ -52,7 +52,7 @@ if (LIBUNWIND_GENERIC_LIBRARY)
   MESSAGE(STATUS "Found libunwind library: ${LIBUNWIND_GENERIC_LIBRARY}")
 else()
   set(LIBUNWIND_FOUND "")
   MESSAGE(STATUS "Found libunwind library: ${LIBUNWIND_GENERIC_LIBRARY}")
 else()
   set(LIBUNWIND_FOUND "")

-  MESSAGE(FATAL_ERROR "failed to find unwind generic library")
+  MESSAGE(WARNING "failed to find unwind generic library")

 endif ()
 SET(LIBUNWIND_LIBRARIES ${LIBUNWIND_GENERIC_LIBRARY})
 unset(LIBUNWIND_GENERIC_LIBRARY)
 endif ()
 SET(LIBUNWIND_LIBRARIES ${LIBUNWIND_GENERIC_LIBRARY})
 unset(LIBUNWIND_GENERIC_LIBRARY)