From e43de640e9158ef396c9dc71a13bdcbfef740e7d Mon Sep 17 00:00:00 2001
From: Florent Le Coz <louiz@louiz.org>
Date: Mon, 17 Feb 2014 03:07:27 +0100
Subject: Build the man page as part of the build process, if ronn is found

---
 CMakeLists.txt | 19 ++++++++++++++++++-
 1 file changed, 18 insertions(+), 1 deletion(-)

(limited to 'CMakeLists.txt')

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 660f238..edbc87e 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -40,6 +40,18 @@ if((NOT ${POLLER} MATCHES "POLL") AND
   message(FATAL_ERROR "POLLER must be either POLL or EPOLL")
 endif()
 
+#
+## Documentation
+#
+find_program(RONN_EXECUTABLE NAMES ronn
+  DOC "The ronn software, to build the man page from the markdown documentation")
+if(RONN_EXECUTABLE)
+  set(WITH_DOC true)
+  add_custom_target(doc
+    ${RONN_SOFTWARE} --roff ${CMAKE_CURRENT_BINARY_DIR}/doc/${PROJECT_NAME}.1.md
+    COMMENT "Generate the man page" VERBATIM)
+endif()
+
 
 #
 ## utils
@@ -111,6 +123,9 @@ target_link_libraries(${PROJECT_NAME}
   bridge
   utils
   config)
+if(WITH_DOC)
+  add_dependencies(${PROJECT_NAME} doc)
+endif()
 
 #
 ## Tests
@@ -132,4 +147,6 @@ configure_file(${CMAKE_CURRENT_SOURCE_DIR}/config.h.cmake ${CMAKE_CURRENT_BINARY
 #
 install(TARGETS ${PROJECT_NAME}
   RUNTIME DESTINATION bin)
-install(FILES doc/${PROJECT_NAME}.1 DESTINATION man/man1)
+if(WITH_DOC)
+  install(FILES doc/${PROJECT_NAME}.1 DESTINATION man/man1)
+endif()
\ No newline at end of file
-- 
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