man: make substitutions meson-friendly

Change format of substituted variables to follow the pattern used by
configure_file() in Meson.

This helps the migration to Meson, making man/meson.build much cleaner.

Signed-off-by: Pekka Paalanen <pekka.paalanen@collabora.co.uk>
Reviewed-by: Daniel Stone <daniels@collabora.com>

Makefile.am

@@ -1592,14 +1592,14 @@ man_MANS += weston-rdp.7
 endif
 
 MAN_SUBSTS =								\
-	-e 's|__weston_native_backend__|$(WESTON_NATIVE_BACKEND)|g'	\
-	-e 's|__weston_modules_dir__|$(moduledir)|g'			\
-	-e 's|__libweston_modules_dir__|$(libweston_moduledir)|g'	\
-	-e 's|__weston_shell_client__|$(WESTON_SHELL_CLIENT)|g'		\
-	-e 's|__weston_libexecdir__|$(libexecdir)|g' 			\
-	-e 's|__weston_bindir__|$(bindir)|g' 				\
-	-e 's|__xserver_path__|$(XSERVER_PATH)|g'			\
-	-e 's|__version__|$(PACKAGE_VERSION)|g'
+	-e 's|@weston_native_backend@|$(WESTON_NATIVE_BACKEND)|g'	\
+	-e 's|@weston_modules_dir@|$(moduledir)|g'			\
+	-e 's|@libweston_modules_dir@|$(libweston_moduledir)|g'	\
+	-e 's|@weston_shell_client@|$(WESTON_SHELL_CLIENT)|g'		\
+	-e 's|@weston_libexecdir@|$(libexecdir)|g' 			\
+	-e 's|@weston_bindir@|$(bindir)|g' 				\
+	-e 's|@xserver_path@|$(XSERVER_PATH)|g'			\
+	-e 's|@version@|$(PACKAGE_VERSION)|g'
 
 SUFFIXES = .1 .5 .7 .man
 

man/weston-drm.man

@@ -1,4 +1,4 @@
-.TH WESTON-DRM 7 "2012-11-27" "Weston __version__"
+.TH WESTON-DRM 7 "2012-11-27" "Weston @version@"
 .SH NAME
 weston-drm \- the DRM backend for Weston
 .SH SYNOPSIS

man/weston-rdp.man

@@ -1,4 +1,4 @@
-.TH WESTON-RDP 7 "2017-12-14" "Weston __version__"
+.TH WESTON-RDP 7 "2017-12-14" "Weston @version@"
 .SH NAME
 weston-rdp \- the RDP backend for Weston
 .SH SYNOPSIS

man/weston.ini.man

@@ -1,6 +1,6 @@
 .\" shorthand for double quote that works everywhere.
 .ds q \N'34'
-.TH weston.ini 5 "2013-01-17" "Weston __version__"
+.TH weston.ini 5 "2013-01-17" "Weston @version@"
 .SH NAME
 weston.ini \- configuration file for
 .B Weston
@@ -97,7 +97,7 @@ section is used to select the startup compositor modules and general options.
 specifies a shell to load (string). This can be used to load your own
 implemented shell or one with Weston as default. Available shells
 in the
-.IR "__weston_modules_dir__"
+.IR "@weston_modules_dir@"
 directory are:
 .PP
 .RS 10
@@ -112,7 +112,7 @@ ask Weston to load the XWayland module (boolean).
 .TP 7
 .BI "modules=" cms-colord.so,screen-share.so
 specifies the modules to load (string). Available modules in the
-.IR "__weston_modules_dir__"
+.IR "@weston_modules_dir@"
 directory are:
 .PP
 .RS 10
@@ -124,7 +124,7 @@ directory are:
 .TP 7
 .BI "backend=" headless-backend.so
 overrides defaults backend. Available backend modules in the
-.IR "__libweston_modules_dir__"
+.IR "@libweston_modules_dir@"
 directory are:
 .PP
 .RS 10
@@ -252,7 +252,7 @@ The entries that can appear in this section are:
 .TP 7
 .BI "client=" file
 sets the path for the shell client to run. If not specified
-.I __weston_shell_client__
+.I @weston_shell_client@
 is launched (string).
 .TP 7
 .BI "background-image=" file
@@ -457,7 +457,7 @@ present. This seat can be constrained like any other.
 .RE
 .SH "INPUT-METHOD SECTION"
 .TP 7
-.BI "path=" "__weston_libexecdir__/weston-keyboard"
+.BI "path=" "@weston_libexecdir@/weston-keyboard"
 sets the path of the on screen keyboard input method (string).
 .RE
 .RE
@@ -540,13 +540,13 @@ The terminal shell (string). Sets the $TERM variable.
 .RE
 .SH "XWAYLAND SECTION"
 .TP 7
-.BI "path=" "__xserver_path__"
+.BI "path=" "@xserver_path@"
 sets the path to the xserver to run (string).
 .RE
 .RE
 .SH "SCREEN-SHARE SECTION"
 .TP 7
-.BI "command=" "__weston_bindir__/weston --backend=rdp-backend.so \
+.BI "command=" "@weston_bindir@/weston --backend=rdp-backend.so \
 --shell=fullscreen-shell.so --no-clients-resize"
 sets the command to start a fullscreen-shell server for screen sharing (string).
 .RE

man/weston.man

@@ -1,4 +1,4 @@
-.TH WESTON 1 "2012-11-27" "Weston __version__"
+.TH WESTON 1 "2012-11-27" "Weston @version@"
 .SH NAME
 weston \- the reference Wayland server
 .SH SYNOPSIS
@@ -115,9 +115,9 @@ and
 Load
 .I backend.so
 instead of the default backend. The file is searched for in
-.IR "__weston_modules_dir__" ,
+.IR "@weston_modules_dir@" ,
 or you can pass an absolute path. The default backend is
-.I __weston_native_backend__
+.I @weston_native_backend@
 unless the environment suggests otherwise, see
 .IR DISPLAY " and " WAYLAND_DISPLAY .
 .TP
@@ -159,7 +159,7 @@ Ask Weston to load the XWayland module.
 \fB\-\-modules\fR=\fImodule1.so,module2.so\fR
 Load the comma-separated list of modules. Only used by the test
 suite. The file is searched for in
-.IR "__weston_modules_dir__" ,
+.IR "@weston_modules_dir@" ,
 or you can pass an absolute path.
 .TP
 .BR \-\-no-config