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set(PANDOCCOMMAND_FOUND 0)
if(SIGHT_BUILD_MANPAGES)
find_program(
PANDOCCOMMAND_PATH NAMES pandoc DOC "Path to Pandoc processor. Used to generate man pages from Markdown."
)
if(NOT EXISTS ${PANDOCCOMMAND_PATH})
message(FATAL_ERROR "Pandoc processor not found, man pages will not be generated. Install pandoc or use the "
"CMAKE_PROGRAM_PATH variable."
)
else()
set(PANDOCCOMMAND_FOUND 1)
endif()
endif()
# Add the targets to generate and install manual page with Pandoc
function(add_man_page TARGET)
set(SRC "${CMAKE_CURRENT_SOURCE_DIR}/man.md")
if(EXISTS "${SRC}")
if(NOT ${PANDOCCOMMAND_FOUND})
return()
endif()
string(TOLOWER ${TARGET} TARGET_LOWER)
set(OUTPUT_PATH ${CMAKE_CURRENT_BINARY_DIR}/${TARGET_LOWER}.1)
add_custom_command(
OUTPUT ${OUTPUT_PATH}
COMMAND ${PANDOCCOMMAND_PATH} -s -t man ${SRC} -o ${OUTPUT_PATH}
DEPENDS ${SRC}
WORKING_DIRECTORY ${CMAKE_BINARY_DIR}
COMMENT "Generating man page ${SUBDIR_PATH_DIRECTORY}/${SUBDIR_PATH_NAME_WLE}"
VERBATIM
)
add_custom_target(
"man_${TARGET}" ALL DEPENDS ${OUTPUT_PATH} COMMENT "Dependency to trigger man page generation"
)
install(FILES ${OUTPUT_PATH} DESTINATION "${CMAKE_INSTALL_FULL_MANDIR}/man1" COMPONENT doc)
endif()
endfunction(add_man_page)
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