Automatically build translations

This runs lrelease against the .ts files and automatically recreates the .qm
files if any of the .ts files changes.

This also moves the .ts files into the translations directory.

Signed-off-by: Dirk Hohndel <dirk@hohndel.org>

subsurface-install.pri

@@ -113,4 +113,18 @@ XSLTDIR = $(DATADIR)/subsurface
     INSTALLS += target desktop icon manpage xslt doc marbledir
     install.target = install
 }
+!isEmpty(TRANSLATIONS) {
+	isEmpty(QMAKE_LRELEASE) {
+		win32: QMAKE_LRELEASE = $$[QT_INSTALL_BINS]\lrelease.exe
+		else: QMAKE_LRELEASE = $$[QT_INSTALL_BINS]/lrelease
+	}
+	isEmpty(TS_DIR):TS_DIR = translations
+	TSQM.target = .translations
+	TSQM.name = lrelease subsurface.pro
+	TSQM.depends = $$TRANSLATIONS
+	TSQM.output = $$TS_DIR/${QMAKE_FILE_BASE}.qm
+	TSQM.commands = $$QMAKE_LRELEASE subsurface.pro && echo "OK" > .translations
+	QMAKE_EXTRA_TARGETS += TSQM
+	PRE_TARGETDEPS += .translations
+}
 QMAKE_EXTRA_TARGETS += install $$install.depends

subsurface.pro

@@ -123,25 +123,25 @@ FORMS = \
 RESOURCES = subsurface.qrc
 
 TRANSLATIONS = \
-	subsurface_bg_BG.ts \
-	subsurface_ca_ES.ts \
-	subsurface_da_DK.ts \
-	subsurface_de_CH.ts \
-	subsurface_de_DE.ts \
-	subsurface_es_ES.ts \
-	subsurface_et_EE.ts \
-	subsurface_fi_FI.ts \
-	subsurface_fr_FR.ts \
-	subsurface_hr_HR.ts \
-	subsurface_it_IT.ts \
-	subsurface_nb_NO.ts \
-	subsurface_nl_NL.ts \
-	subsurface_pl_PL.ts \
-	subsurface_pt_BR.ts \
-	subsurface_pt_PT.ts \
-	subsurface_ru_RU.ts \
-	subsurface_sk_SK.ts \
-	subsurface_sv_SE.ts
+	translations/subsurface_bg_BG.ts \
+	translations/subsurface_ca_ES.ts \
+	translations/subsurface_da_DK.ts \
+	translations/subsurface_de_CH.ts \
+	translations/subsurface_de_DE.ts \
+	translations/subsurface_es_ES.ts \
+	translations/subsurface_et_EE.ts \
+	translations/subsurface_fi_FI.ts \
+	translations/subsurface_fr_FR.ts \
+	translations/subsurface_hr_HR.ts \
+	translations/subsurface_it_IT.ts \
+	translations/subsurface_nb_NO.ts \
+	translations/subsurface_nl_NL.ts \
+	translations/subsurface_pl_PL.ts \
+	translations/subsurface_pt_BR.ts \
+	translations/subsurface_pt_PT.ts \
+	translations/subsurface_ru_RU.ts \
+	translations/subsurface_sk_SK.ts \
+	translations/subsurface_sv_SE.ts
 
 doc.commands = $(CHK_DIR_EXISTS) Documentation || $(MKDIR) Documentation
 doc.commands += $$escape_expand(\\n\\t)$(MAKE) -C $$PWD/Documentation OUT=$$OUT_PWD/Documentation doc