added translation files

src/languages.qrc.in

@@ -0,0 +1,9 @@
+ <!DOCTYPE RCC>
+ <RCC version="1.0">
+    <qresource prefix="/language">
+        <file alias="proxy_de.qm">@top_srcdir@/src/proxy_de.qm</file>
+        <file alias="proxy_fr.qm">@top_srcdir@/src/proxy_fr.qm</file>
+        <file alias="proxy_it.qm">@top_srcdir@/src/proxy_it.qm</file>
+        <file alias="proxy_en.qm">@top_srcdir@/src/proxy_en.qm</file>
+    </qresource>
+</RCC>

src/makefile.am

@@ -7,6 +7,12 @@
 ## 45678901234567890123456789012345678901234567890123456789012345678901234567890
 
 lib_LTLIBRARIES = libproxyface.la
+LANGUAGE_FILE_BASE = proxy
+translationsdir = ${pkgdatadir}/translations
+translations_DATA = ${LANGUAGE_FILE_BASE}_en.qm	\
+                    ${LANGUAGE_FILE_BASE}_de.qm	\
+                    ${LANGUAGE_FILE_BASE}_fr.qm	\
+                    ${LANGUAGE_FILE_BASE}_it.qm
 
 proxyfacedir = ${includedir}/proxyface
 proxyface_HEADERS = proxyface/autoproxy.hxx proxyface/proxy.hxx	\
@@ -23,7 +29,14 @@ libproxyface_la_MOCFILES = proxyface/moc_proxy.cxx	\
 libproxyface_la_RCCFILES = proxyface/qrc_resources.cxx
 BUILT_SOURCES = ${libproxyface_la_UIFILES}	\
                 ${libproxyface_la_MOCFILES}	\
-                ${libproxyface_la_RCCFILES}
+                ${libproxyface_la_RCCFILES} ${translations_DATA}
+EXTRA_DIST_TR = ${libproxyface_la_MOCFILES:moc_%.cxx=%.hxx}	\
+                ${libproxyface_la_UIFILES:ui_%.hxx=%.ui}
+EXTRA_DIST = ${EXTRA_DIST_TR} languages.qrc.in	\
+             ${translations_DATA:%.qm=%.ts}
+
 endif
 libproxyface_la_SOURCES = version.cxx ${libproxyface_la_RCCFILES}	\
                           ${libproxyface_la_MOCFILES}
+
+DISTCLEANFILES = ${translations_DATA}