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From f338abbfbc3e385dda57ebc22769e54ab3f5edc8 Mon Sep 17 00:00:00 2001
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From: =?UTF-8?q?Micha=C5=82=20G=C3=B3rny?= <mgorny@gentoo.org>
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Date: Fri, 27 Dec 2013 23:44:27 -0500
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Subject: [PATCH] man: include autoconf snippet in daemon(7)
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https://bugs.freedesktop.org/show_bug.cgi?id=40446
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---
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 man/daemon.xml | 20 ++++++++++++++------
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 1 file changed, 14 insertions(+), 6 deletions(-)
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diff --git a/man/daemon.xml b/man/daemon.xml
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index 1fe4546..105826a 100644
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--- a/man/daemon.xml
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+++ b/man/daemon.xml
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@@ -765,12 +765,20 @@
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                         <programlisting>PKG_PROG_PKG_CONFIG
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 AC_ARG_WITH([systemdsystemunitdir],
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-        AS_HELP_STRING([--with-systemdsystemunitdir=DIR], [Directory for systemd service files]),
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-        [], [with_systemdsystemunitdir=$($PKG_CONFIG --variable=systemdsystemunitdir systemd)])
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-if test "x$with_systemdsystemunitdir" != xno; then
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-        AC_SUBST([systemdsystemunitdir], [$with_systemdsystemunitdir])
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-fi
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-AM_CONDITIONAL(HAVE_SYSTEMD, [test -n "$with_systemdsystemunitdir" -a "x$with_systemdsystemunitdir" != xno ])</programlisting>
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+     AS_HELP_STRING([--with-systemdsystemunitdir=DIR], [Directory for systemd service files]),,
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+     [with_systemdsystemunitdir=auto])
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+AS_IF([test "x$with_systemdsystemunitdir" = "xyes" -o "x$with_systemdsystemunitdir" = "xauto"], [
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+     def_systemdsystemunitdir=$($PKG_CONFIG --variable=systemdsystemunitdir systemd)
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+
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+     AS_IF([test "x$def_systemdsystemunitdir" = "x"],
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+         [AS_IF([test "x$with_systemdsystemunitdir" = "xyes"],
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+                [AC_MSG_ERROR([systemd support requested but pkg-config unable to query systemd package])])
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+          with_systemdsystemunitdir=no],
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+         [with_systemdsystemunitdir=$def_systemdsystemunitdir])])
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+AS_IF([test "x$with_systemdsystemunitdir" != "xno"],
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+      [AC_SUBST([systemdsystemunitdir], [$with_systemdsystemunitdir])])
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+AM_CONDITIONAL(HAVE_SYSTEMD, [test "x$with_systemdsystemunitdir" != "xno"])
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+</programlisting>
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                         <para>This snippet allows automatic
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                         installation of the unit files on systemd