cmake: fix readline detection when the readline library is not found

6 years ago · dff0adfee5
parent 1e74586ee9
commit dff0adfee5
1 changed files with 3 additions and 1 deletions
--- a/cmake/FindReadline.cmake
+++ b/cmake/FindReadline.cmake
@ -66,7 +66,9 @@ check_function_exists(rl_copy_text HAVE_COPY_TEXT)
 check_function_exists(rl_filename_completion_function HAVE_COMPLETION_FUNCTION)

 if(NOT HAVE_COMPLETION_FUNCTION)
-  set(CMAKE_REQUIRED_LIBRARIES ${Readline_LIBRARY} ${Termcap_LIBRARY})
+  if (Readline_LIBRARY)
+    set(CMAKE_REQUIRED_LIBRARIES ${Readline_LIBRARY} ${Termcap_LIBRARY})
+  endif(Readline_LIBRARY)
  check_function_exists(rl_copy_text HAVE_COPY_TEXT_TC)
  check_function_exists(rl_filename_completion_function HAVE_COMPLETION_FUNCTION_TC)
  set(HAVE_COMPLETION_FUNCTION ${HAVE_COMPLETION_FUNCTION_TC})