+# available programs checks
+function(llvm_find_program name)
+ string(TOUPPER ${name} NAME)
+ find_program(LLVM_PATH_${NAME} ${name})
+ mark_as_advanced(LLVM_PATH_${NAME})
+ if(LLVM_PATH_${NAME})
+ set(HAVE_${NAME} 1 CACHE INTERNAL "Is ${name} available ?")
+ mark_as_advanced(HAVE_${NAME})
+ else(LLVM_PATH_${NAME})
+ set(HAVE_${NAME} "" CACHE INTERNAL "Is ${name} available ?")
+ endif(LLVM_PATH_${NAME})
+endfunction()
+
+llvm_find_program(gv)
+llvm_find_program(circo)
+llvm_find_program(twopi)
+llvm_find_program(neato)
+llvm_find_program(fdp)
+llvm_find_program(dot)
+llvm_find_program(dotty)
+