Only enable doc target if breathe is available

fmtlib · Mar 2, 2015 · c3e845a · c3e845a
1 parent ce4d3e1
commit c3e845a
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/doc/CMakeLists.txt b/doc/CMakeLists.txt
@@ -1,3 +1,8 @@
+if (NOT EXISTS ${FORMAT_SOURCE_DIR}/breathe/breathe)
+  message(STATUS "Target 'doc' disabled (requires breathe module)")
+  return ()
+endif ()
+
 foreach (program doxygen sphinx-build)
   find_program(${program} ${program})
   if (NOT ${program})