id	summary	reporter	owner	description	type	status	milestone	component	version	severity	resolution	keywords	cc
11834	Undefined symbols for architecture x86_64:	banslug2001@…	Beman Dawes	"I am trying to use boost chromo library inside Mac Xcode 7.1.1.  I am able to compile header only project and I have been able to use the regex library.  But with the chrono library I receive the falling error:

Undefined symbols for architecture x86_64:
  ""boost::system::system_category()"", referenced from:
      ___cxx_global_var_init2 in main.o
  ""boost::system::generic_category()"", referenced from:
      ___cxx_global_var_init in main.o
      ___cxx_global_var_init1 in main.o
ld: symbol(s) not found for architecture x86_64
clang: error: linker command failed with exit code 1 (use -v to see invocation)"	Bugs	new	To Be Determined	system	Boost 1.59.0	Problem