build: Install manpages

This will install the manpages found in doc/man/ during installation.

Fixes #38

1 files changed, 40 insertions, 0 deletions

diff --git a/doc/man/CMakeLists.txt b/doc/man/CMakeLists.txt
new file mode 100644
index 00000000..c864d756
--- /dev/null
+++ b/doc/man/CMakeLists.txt
@@ -0,0 +1,40 @@
+set(MAN_NAMES
+  # Add man page sources here
+  ap_init.3
+  ap_fini.3
+  flow_accept.3
+  flow_alloc.3
+  flow_dealloc.3
+  flow_read.3
+  flow_write.3
+  )
+
+macro(INSTALL_MAN __mans)
+  foreach (_man ${ARGV})
+    string(REGEX REPLACE "^.+[.]([1-9]).gz" "\\1" _mansect ${_man})
+    install(FILES ${_man} DESTINATION "usr/share/man/man${_mansect}")
+  endforeach (_man)
+endmacro(INSTALL_MAN __mans)
+
+find_program(GZIP_EXECUTABLE
+  NAMES gzip
+  DOC "Will gzip the man pages")
+
+if (GZIP_EXECUTABLE)
+  foreach (m ${MAN_NAMES})
+    set(md ${CMAKE_CURRENT_BINARY_DIR}/${m}.gz)
+
+    add_custom_command(
+      OUTPUT ${md}
+      COMMAND ${GZIP_EXECUTABLE}
+      ARGS -c ${CMAKE_CURRENT_SOURCE_DIR}/${m} > ${md}
+      COMMENT "Compressing manpage ${m}"
+      VERBATIM)
+
+    set(MAN_FILES ${MAN_FILES} ${md})
+  endforeach ()
+
+  add_custom_target(man ALL DEPENDS ${MAN_FILES})
+
+  INSTALL_MAN(${MAN_FILES})
+endif ()