+PPRINT_SET_INDENT(0)
+
+AS_IF([test "x$warn_prebuilt_man_pages" = "xyes" ], [
+ AS_ECHO
+ PPRINT_WARN([You need asciidoc and xmlto to build the LTTng-tools man pages.
+
+Note that the man pages are already built in this distribution tarball,
+therefore asciidoc and xmlto are only needed if you intend to modify
+their sources.
+
+Also note that the installed man pages will contain the project's
+default command-line option and environment variable values.
+
+Use --disable-man-pages to completely disable building and installing
+the man pages.])
+])