disable cotire as it's deprecated and breaks the build with newer libc++

Index: CMakeLists.txt
--- CMakeLists.txt.orig
+++ CMakeLists.txt
@@ -21,7 +21,7 @@ if(NOT CMAKE_CONFIGURATION_TYPES AND NOT CMAKE_BUILD_T
 endif()
 
 set(LIB_DESTINATION
-  "${CMAKE_INSTALL_FULL_LIBDIR}" CACHE STRING "Define lib output directory name")
+  "lib" CACHE STRING "Define lib output directory name")
 
 
 ####################################
