SwiftManpage.cmake

include(CMakeParseArguments)

find_program(POD2MAN pod2man)

# Create a target to create a man page from a pod file.
#
# manpage(
# SOURCE foobar.pod
# PAGE_HEADER "text"
# MAN_FILE_BASENAME foobar
# MAN_SECTION N
# INSTALL_IN_COMPONENT comp
# )
function(manpage)
 cmake_parse_arguments(
 MP # prefix
""# options
"SOURCE;PAGE_HEADER;MAN_FILE_BASENAME;MAN_SECTION;INSTALL_IN_COMPONENT"# single-value args
""# multi-value args
${ARGN})

 if(NOT POD2MAN)
 message(FATAL_ERROR "Need pod2man installed to generate man page")
 endif()

 set(output_file_name
"${CMAKE_CURRENT_BINARY_DIR}/${MP_MAN_FILE_BASENAME}.${MP_MAN_SECTION}")

 add_custom_command_target(
 manpage_target
COMMAND
"${POD2MAN}""--section""${MP_MAN_SECTION}"
"--center""${MP_PAGE_HEADER}""--release=\"swift ${SWIFT_VERSION}\""
"--name""${MP_MAN_FILE_BASENAME}"
"--stderr"
"${MP_SOURCE}" > "${output_file_name}"
OUTPUT"${output_file_name}"
DEPENDS"${MP_SOURCE}"
ALL)

 add_dependencies(${MP_INSTALL_IN_COMPONENT}${manpage_target})
 set(MANPAGE_DEST "share/")
 if("${SWIFT_HOST_VARIANT_SDK}"STREQUAL"OPENBSD")
 set(MANPAGE_DEST "")
 endif()
 swift_install_in_component(FILES"${output_file_name}"
DESTINATION"${MANPAGE_DEST}man/man${MP_MAN_SECTION}"
COMPONENT"${MP_INSTALL_IN_COMPONENT}")
endfunction()