PO to TS conversion works well as script.

It must only be done if a PO based translator
updates the translation once by me.

lang/CMakeLists.txt

@@ -3,8 +3,9 @@ set(TS_FILES
 xca_fr.ts	xca_ja.ts	xca_pt_BR.ts	xca_tr.ts
 xca_de.ts	xca_hr.ts	xca_nl.ts	xca_ru.ts
 xca_es.ts	xca_it.ts	xca_pl.ts	xca_sk.ts
-xca_zh_CN.ts
+xca_zh_CN.ts	xca.ts
 )
+
 qt5_add_translation(QM_FILES ${TS_FILES})
 list(APPEND APP_RESOURCES ${QM_FILES})
 set(APP_RESOURCES ${APP_RESOURCES} PARENT_SCOPE)
@@ -18,20 +19,10 @@ if (UNIX)
   )
 endif()
 
-macro(PO_language lang)
-  add_custom_command(
-	OUTPUT "${CMAKE_CURRENT_SOURCE_DIR}/xca_${lang}X.ts"
-	COMMAND ${LCONVERT} -if po -of ts
-		-i "${CMAKE_CURRENT_SOURCE_DIR}/${lang}.po"
-		-o "${CMAKE_CURRENT_SOURCE_DIR}/xca_${lang}X.ts"
-	DEPENDS "${CMAKE_CURRENT_SOURCE_DIR}/${lang}.po"
-  )
-  list(APPEND POTS "${CMAKE_CURRENT_SOURCE_DIR}/xca_${lang}.ts")
-endmacro()
-
 find_program(LCONVERT lconvert)
 
-if (LCONVERT)
+# cmake -DTRANS=1 ../xca && make trans
+if (LCONVERT AND TRANS)
   add_custom_command(
 	OUTPUT "${CMAKE_CURRENT_SOURCE_DIR}/xca.pot"
 	COMMAND ${LCONVERT} -if ts -of po
@@ -41,12 +32,8 @@ if (LCONVERT)
 	COMMENT "Update POT file"
   )
   qt5_create_translation(CQM_FILES ${CMAKE_SOURCE_DIR} ${TS_FILES})
-  PO_language(tr)
-  PO_language(fr)
-  PO_language(sk)
-endif()
 
-add_custom_target(trans DEPENDS ${CQM_FILES}
+  add_custom_target(trans DEPENDS ${CQM_FILES}
 		"${CMAKE_CURRENT_SOURCE_DIR}/xca.pot"
-)
-add_custom_target(po2ts DEPENDS ${POTS})
+  )
+endif()

lang/po2ts.sh

@@ -0,0 +1,7 @@
+#!/bin/sh
+
+ALL="$@"
+test -n "$ALL" || ALL="tr fr sk"
+for lang in $ALL; do
+  lconvert -if po -of ts -i "${lang}.po" -o "xca_${lang}.ts"
+done