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[CMake] Make building of man pages possible 

This mirrors https://github.com/xiph/flac/pull/440
and fixes https://gitlab.xiph.org/xiph/flac/-/issues/2
This commit is contained in:
Martijn van Beurden 2022-09-13 10:44:36 +02:00
parent e8c23bf75e
commit 6fcee44e02
1 changed files with 19 additions and 1 deletions
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20
CMakeLists.txt
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@ -262,5 +262,23 @@ file(GLOB FLAC++_HEADERS "include/FLAC++/*.h")
install(FILES ${FLAC_HEADERS} DESTINATION "${CMAKE_INSTALL_INCLUDEDIR}/FLAC")
install(FILES ${FLAC++_HEADERS} DESTINATION "${CMAKE_INSTALL_INCLUDEDIR}/FLAC++")
if(INSTALL_MANPAGES)
install(FILES "man/flac.1" "man/metaflac.1" DESTINATION "${CMAKE_INSTALL_MANDIR}/man1")
find_program (HAVE_PANDOC pandoc)
if(HAVE_PANDOC)
add_custom_command(
OUTPUT man/flac.1
COMMAND pandoc --standalone --to man "${CMAKE_SOURCE_DIR}/man/flac.md" > man/flac.1
)
add_custom_command(
OUTPUT man/metaflac.1
COMMAND pandoc --standalone --to man "${CMAKE_SOURCE_DIR}/man/metaflac.md" > man/metaflac.1
)
add_custom_target(man ALL DEPENDS man/flac.1 man/metaflac.1)
install(FILES "${CMAKE_BINARY_DIR}/man/flac.1" "${CMAKE_BINARY_DIR}/man/metaflac.1" DESTINATION "${CMAKE_INSTALL_MANDIR}/man1")
else()
if(EXISTS "${CMAKE_SOURCE_DIR}/man/flac.1" AND EXISTS "${CMAKE_SOURCE_DIR}/man/metaflac.1")
install(FILES "man/flac.1" "man/metaflac.1" DESTINATION "${CMAKE_INSTALL_MANDIR}/man1")
else()
message(SEND_ERROR "Pandoc nor prebuild manpages are found. Cannot install manpages. Set INSTALL_MANPAGES to OFF to build without man pages")
endif()
endif()
endif()