We don't really want to rebuild eztrace on each and every binutils upload.

---
 configure.ac         |   15 +++++----------
 src/core/Makefile.am |    4 ++--
 2 files changed, 7 insertions(+), 12 deletions(-)

--- a/cmake_modules/FindLibOpcodes.cmake
+++ b/cmake_modules/FindLibOpcodes.cmake
@@ -64,7 +64,7 @@
 
 find_library (
 LIBOPCODES_LIBRARIES
-NAMES opcodes
+NAMES libopcodes.a
 HINTS ${_lib_env}
 NO_DEFAULT_PATH
 )
@@ -64,7 +64,7 @@
 
   find_library (
     LIBOPCODES_LIBRARIES
-    NAMES opcodes
+    NAMES libopcodes.a
     PATHS ${_lib_env}
     )
 endif()
