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build: Improve GenerateHelptags.cmake failure message

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Some errors during helptags can be caused by duplicate/wrong tags after
documentation cleanup. Suggest the removal of the "doc" directory.
This commit is contained in:
Thiago de Arruda 2015-04-13 09:51:33 -03:00
parent d60ae3159e
commit 0487ea9f64
1 changed files with 7 additions and 1 deletions
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8
cmake/GenerateHelptags.cmake
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@ -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()