doc: set rootdir correctly in man pages

If an alternative rootdir is specified in either meson or configure it's
not respected in the generated man pages.

Signed-off-by: Jelle van der Waa <jelle@vdwaa.nl>
Signed-off-by: Allan McRae <allan@archlinux.org>

doc/Makefile.am

@@ -112,7 +112,8 @@ ASCIIDOC_OPTS = \
 	-a pkgdatadir=$(pkgdatadir) \
 	-a localstatedir=$(localstatedir) \
 	-a sysconfdir=$(sysconfdir) \
-	-a datarootdir=$(datarootdir)
+	-a datarootdir=$(datarootdir) \
+	-a rootdir=$(ROOTDIR)
 
 A2X_OPTS = \
 	--no-xmllint \

doc/meson.build

@@ -31,6 +31,7 @@ asciidoc_opts = [
  '-a', 'localstatedir=@0@'.format(LOCALSTATEDIR),
  '-a', 'sysconfdir=@0@'.format(SYSCONFDIR),
  '-a', 'datarootdir=@0@'.format(DATAROOTDIR),
+ '-a', 'rootdir=@0@'.format(ROOTDIR),
 ]
 
 html_targets = []

doc/pacman.8.asciidoc

@@ -131,7 +131,7 @@ Options
 	not automatically prepended.
 
 *-r, \--root* <path>::
-	Specify an alternative installation root (default is `/`). This should
+	Specify an alternative installation root (default is +{rootdir}+). This should
 	not be used as a way to install software into `/usr/local` instead of
 	`/usr`.
 	*NOTE*: If database path or log file are not specified on either the