Try to detect libunwind.{so,dylib} on x86_64

Debian ships the x86 code in libunwind-x86_64.so but Mac OS X uses
libunwind.dylib.

diff --git a/buildtools/Cmake/Modules/FindLibunwind.cmake b/buildtools/Cmake/Modules/FindLibunwind.cmake
index 03bbed9..5de26cc 100644 (file)
--- a/buildtools/Cmake/Modules/FindLibunwind.cmake
+++ b/buildtools/Cmake/Modules/FindLibunwind.cmake
@@ -12,7 +12,9 @@ if(PROCESSOR_x86_64)
     /opt/csw
     /sw
     /usr)
     /opt/csw
     /sw
     /usr)

-else()
+end()
+
+if(NOT PATH_LIBUNWIND_LIB)

   find_library(PATH_LIBUNWIND_LIB
     NAMES unwind
     HINTS
   find_library(PATH_LIBUNWIND_LIB
     NAMES unwind
     HINTS