diff options
| -rw-r--r-- | cmake/GenerateHelptags.cmake | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/cmake/GenerateHelptags.cmake b/cmake/GenerateHelptags.cmake index 658f4ab9cc..d4f4518b9b 100644 --- a/cmake/GenerateHelptags.cmake +++ b/cmake/GenerateHelptags.cmake @@ -9,6 +9,12 @@ else() endif() message(STATUS "Generating helptags in ${HELPTAGS_WORKING_DIRECTORY}.") +if(EXISTS "${HELPTAGS_WORKING_DIRECTORY}/") + message(STATUS "${HELPTAGS_WORKING_DIRECTORY} already exists") + # if the doc directory already exists, helptags could fail due to duplicate + # tags. Tell the user to remove the directory and try again. + set(TROUBLESHOOTING "\nRemove \"${HELPTAGS_WORKING_DIRECTORY}\" and try again") +endif() execute_process( COMMAND "${CMAKE_CURRENT_BINARY_DIR}/bin/nvim" @@ -22,5 +28,5 @@ execute_process( RESULT_VARIABLE res) if(NOT res EQUAL 0) - message(FATAL_ERROR "Generating helptags failed: ${err} - ${res}") + message(FATAL_ERROR "Generating helptags failed: ${err} - ${res}${TROUBLESHOOTING}") endif() |