Prepare cmake to maintain the .pot and .po files

In the future .po files will be processed directly using Weblate
rather than fetching them from the translators SVN.

.gitattributes

@@ -0,0 +1,2 @@
+*.po   merge=binary
+*.pot  merge=binary

libzypp.spec.cmake

@@ -196,12 +196,6 @@ export CXX=g++-4.6
 export CFLAGS="$RPM_OPT_FLAGS"
 export CXXFLAGS="$RPM_OPT_FLAGS"
 unset EXTRA_CMAKE_OPTIONS
-# We are moving towards a uniform translation set for SLE and openSUSE.
-# While separate SLE translations are still present, overlay them.
-unset TRANSLATION_SET
-if [ -f ../po/sle-zypp-po.tar.bz2 ]; then
-  export TRANSLATION_SET=sle-zypp
-fi
 # No libproxy on SLE11
 %if 0%{?suse_version} == 1110
 export EXTRA_CMAKE_OPTIONS="-DDISABLE_LIBPROXY=ON"
@@ -212,7 +206,6 @@ cmake -DCMAKE_INSTALL_PREFIX=%{_prefix} \
       -DLIB=%{_lib} \
       -DCMAKE_BUILD_TYPE=Release \
       -DCMAKE_SKIP_RPATH=1 \
-      -DUSE_TRANSLATION_SET=${TRANSLATION_SET:-zypp} \
       ${EXTRA_CMAKE_OPTIONS} \
       ..
 make %{?_smp_mflags} VERBOSE=1

po/CMakeLists.txt

@@ -1,18 +1,29 @@
-#
-# Creating the .pot file to be translated.
-#
-ADD_CUSTOM_TARGET( zypp.pot
-	COMMAND ${CMAKE_CURRENT_SOURCE_DIR}/createPot ${LIBZYPP_SOURCE_DIR} ${CMAKE_CURRENT_BINARY_DIR}/zypp.pot
-)
-SET_DIRECTORY_PROPERTIES( PROPERTIES
-	ADDITIONAL_MAKE_CLEAN_FILES zypp.pot
-)
+# Translation set name
+SET( POT_NAME "zypp" )
+
+SET( POT_FILE ${CMAKE_CURRENT_SOURCE_DIR}/${POT_NAME}.pot )
+
+FILE( GLOB PO_FILES RELATIVE ${CMAKE_CURRENT_SOURCE_DIR} "*.po" )
 
-#
-# Provides the 'translations' target that creates the .gmo files
-# out of the pofiles provided by zypp-po.tar.bz2.
-# Use USE_TRANSLATION_SET to use an alternate set provided by
-# ${USE_TRANSLATION_SET}-po.tar.bz2
-#
-GETTEXT_CREATE_TARBALL_TRANSLATIONS( "zypp" )
+# Provides the 'translations' target that
+# creates the .gmo files out of the .po files
+GETTEXT_CREATE_TRANSLATIONS( ${POT_FILE} "ALL" ${PO_FILES} )
 
+# Creating the .pot file and preparing the .po files
+# POT_FILE_DEPENDS was set in ../src
+SET( XGETTEXT_CMD "xgettext" )
+SET( XGETTEXT_OPTIONS -L C++ --boost --no-wrap --add-comments --add-location --foreign-user )
+SET( XGETTEXT_OPTIONS ${XGETTEXT_OPTIONS} --keyword=_ --keyword=_:1,2 --keyword=__ --keyword=N_ --keyword=PL_:1,2 )
+SET( XGETTEXT_OPTIONS ${XGETTEXT_OPTIONS} --copyright-holder=\"SuSE Linux GmbH, Nuernberg\" )
+SET( XGETTEXT_OPTIONS ${XGETTEXT_OPTIONS} --package-name=${POT_NAME} --default-domain=${POT_NAME} )
+
+ADD_CUSTOM_COMMAND( OUTPUT ${POT_FILE}
+  COMMAND ${XGETTEXT_CMD} ${XGETTEXT_OPTIONS} --output=${POT_FILE} ${POT_FILE_DEPENDS}
+  WORKING_DIRECTORY ${LIBZYPP_SOURCE_DIR}
+  COMMENT "Extract translatable messages to ${POT_FILE}"
+)
+
+ADD_CUSTOM_TARGET( potfile
+  COMMAND rm -f ${POT_FILE}
+  COMMAND make translations
+)

zypp/CMakeLists.txt

@@ -1,6 +1,7 @@
-####################################################################
-# SOURCES                                                          #
-####################################################################
+# Collect all files that may contain translatable texts
+FILE( GLOB_RECURSE POT_FILE_DEPENDS RELATIVE ${LIBZYPP_SOURCE_DIR} "*.h" "*.cc" )
+SET( POT_FILE_DEPENDS ${POT_FILE_DEPENDS} PARENT_SCOPE )
+
 
 ADD_DEFINITIONS(-DLOCALEDIR="${CMAKE_INSTALL_PREFIX}/share/locale" -DTEXTDOMAIN="zypp" -DZYPP_DLL )