diff options
Diffstat (limited to 'CMakeLists.txt')
| -rw-r--r-- | CMakeLists.txt | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/CMakeLists.txt b/CMakeLists.txt index 0f8e50331..13bd39e7b 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -174,6 +174,36 @@ mark_as_advanced(DISABLED_THREADSAFE) option(ENABLE_IPV6 "Define if you want to enable IPv6 support" OFF) mark_as_advanced(ENABLE_IPV6) +option(ENABLE_MANUAL "to provide the built-in manual" ON) +unset(USE_MANUAL CACHE) # TODO: cache NROFF/NROFF_MANOPT/USE_MANUAL vars? +if(ENABLE_MANUAL) + find_program(NROFF NAMES gnroff nroff) + if(NROFF) + # Need a way to write to stdin, this will do + file(WRITE "${CMAKE_CURRENT_BINARY_DIR}/nroff-input.txt" "test") + # Tests for a valid nroff option to generate a manpage + foreach(_MANOPT "-man" "-mandoc") + execute_process(COMMAND "${NROFF}" ${_MANOPT} + OUTPUT_VARIABLE NROFF_MANOPT_OUTPUT + INPUT_FILE "${CMAKE_CURRENT_BINARY_DIR}/nroff-input.txt" + ERROR_QUIET) + # Save the option if it was valid + if(NROFF_MANOPT_OUTPUT) + message("Found *nroff option: -- ${_MANOPT}") + set(NROFF_MANOPT ${_MANOPT}) + set(USE_MANUAL 1) + break() + endif() + endforeach() + # No need for the temporary file + file(REMOVE "${CMAKE_CURRENT_BINARY_DIR}/nroff-input.txt") + if(NOT USE_MANUAL) + message(WARNING "Found no *nroff option to get plaintext from man pages") + endif() + else() + message(WARNING "Found no *nroff program") + endif() +endif() # We need ansi c-flags, especially on HP set(CMAKE_C_FLAGS "${CMAKE_ANSI_CFLAGS} ${CMAKE_C_FLAGS}") |