|  | @@ -64,6 +64,26 @@ IF (EXISTS ${LOCAL_GIT_DIRECTORY})
 | 
	
		
			
				|  |  |    ENDIF (NOT EXISTS ${LOCAL_GIT_DIRECTORY}/hooks/commit-msg)
 | 
	
		
			
				|  |  |  ENDIF (EXISTS ${LOCAL_GIT_DIRECTORY})
 | 
	
		
			
				|  |  |  
 | 
	
		
			
				|  |  | +# On OS X, add the Homebrew prefix to the set of prefixes searched by
 | 
	
		
			
				|  |  | +# CMake in find_path & find_library.  This should ensure that we can
 | 
	
		
			
				|  |  | +# still build Ceres even if Homebrew is installed in a non-standard
 | 
	
		
			
				|  |  | +# location (not /usr/local).
 | 
	
		
			
				|  |  | +IF (CMAKE_SYSTEM_NAME MATCHES "Darwin")
 | 
	
		
			
				|  |  | +  FIND_PROGRAM(HOMEBREW_EXECUTABLE brew)
 | 
	
		
			
				|  |  | +  IF (HOMEBREW_EXECUTABLE)
 | 
	
		
			
				|  |  | +    # Detected a Homebrew install, query for its install prefix.
 | 
	
		
			
				|  |  | +    EXECUTE_PROCESS(COMMAND ${HOMEBREW_EXECUTABLE} --prefix
 | 
	
		
			
				|  |  | +      OUTPUT_VARIABLE HOMEBREW_INSTALL_PREFIX
 | 
	
		
			
				|  |  | +      OUTPUT_STRIP_TRAILING_WHITESPACE)
 | 
	
		
			
				|  |  | +    MESSAGE(STATUS "Detected Homebrew with install prefix: "
 | 
	
		
			
				|  |  | +      "${HOMEBREW_INSTALL_PREFIX}, adding to CMake search paths.")
 | 
	
		
			
				|  |  | +  ENDIF()
 | 
	
		
			
				|  |  | +  # Note that Eigen is stored in <XXX>/include/eigen3/Eigen/XXX.h
 | 
	
		
			
				|  |  | +  # as such, the default prefix path on it's own is insufficient.
 | 
	
		
			
				|  |  | +  LIST(APPEND CMAKE_PREFIX_PATH "${HOMEBREW_INSTALL_PREFIX}"
 | 
	
		
			
				|  |  | +    "${HOMEBREW_INSTALL_PREFIX}/include/eigen3")
 | 
	
		
			
				|  |  | +ENDIF()
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  |  # Make CMake aware of the cmake folder for local FindXXX scripts,
 | 
	
		
			
				|  |  |  # append rather than set in case the user has passed their own
 | 
	
		
			
				|  |  |  # additional paths via -D.
 |