Add Latvian keyboard definitions

The Latvian keyboard corresponding to code 0x426 is totally different
from the keyboard for 0x10426 (Latvian(QWERTY)) and 0x20426
(Latvian(Standard)). We set up new definitions for 0x426 and 0x10426 and
symlink 0x20426 to 0x10426.

configure.ac

@@ -9,6 +9,7 @@ AC_CONFIG_MACRO_DIR([m4])
 AC_USE_SYSTEM_EXTENSIONS
 AC_PROG_CC
 AC_PROG_CXX
+AC_PROG_LN_S
 LT_INIT
 
 PKG_PROG_PKG_CONFIG

genkeymap/dump-keymaps.sh

@@ -86,6 +86,9 @@ kbgen 0415 "pl-PL"        "$os" -model pc104 -layout pl
 kbgen 0416 "pt-BR"        "$os" -model pc105 -layout br
 kbgen 0419 "ru-RU"        "$os" -model pc104 -layout ru
 kbgen 041d "sv-SE"        "$os" -model pc104 -layout se
+kbgen 0426 "lv-LV"        "$os" -model pc104 -layout lv -variant ergonomic
+kbgen 10426 "lv-LV"       "$os" -model pc104 -layout lv
+# 20426 Latvian(Standard) is symlinked to 10426 Latvian(QWERTY) elsewhere
 kbgen 0807 "de-CH"        "$os" -model pc105 -layout ch
 kbgen 0809 "en-GB"        "$os" -model pc105 -layout gb
 kbgen 080a "es-MX"        "$os" -model pc105 -layout latam

instfiles/Makefile.am

@@ -46,6 +46,8 @@ dist_startscript_DATA = \
   km-00000416.toml \
   km-00000419.toml \
   km-0000041d.toml \
+  km-00000426.toml \
+  km-00010426.toml \
   km-00000807.toml \
   km-00000809.toml \
   km-0000080a.toml \
@@ -88,23 +90,23 @@ SUBDIRS += pam.d
 endif
 
 #
-# install-data-hook for each platform
+# install-data-hook
 # TODO: subst these directories as well as service files
 #
-if LINUX
-# must be tab below
+# must be tabs below
+# Note the section to soft-link keyboard files which share a definition
 install-data-hook:
+if LINUX
 	if [ -f $(DESTDIR)$(sysconfdir)/init.d/xrdp ]; then \
 		sed -i 's|__BASE__|$(prefix)|' $(DESTDIR)$(sysconfdir)/init.d/xrdp; \
 	fi
 endif
-
 if FREEBSD
-# must be tab below
-install-data-hook:
 	sed -e 's|%%PREFIX%%|$(prefix)|g' \
 	    -e 's|%%LOCALSTATEDIR%%|$(localstatedir)|g' \
 		-i '' \
 		$(DESTDIR)$(sysconfdir)/rc.d/xrdp \
 		$(DESTDIR)$(sysconfdir)/rc.d/xrdp-sesman
 endif
+	(cd $(DESTDIR)${startscriptdir} && \
+		$(LN_S) km-00010426.toml km-00020426.toml)