[evolution-data-server/wip/cmake] Simplify po/ directory setup

[Milan Crha <mcrha src gnome org>]

commit a932fb59557e42eb9674d4efbfee2f442ccb8596
Author: Milan Crha <mcrha redhat com>
Date:   Tue Sep 27 13:08:53 2016 +0200

    Simplify po/ directory setup

 cmake/modules/FindIntltool.cmake |   35 ++++++++++++++++++++++++++++++++---
 po/CMakeLists.txt                |    3 +--
 po/POTFILES.skip                 |    1 +
 3 files changed, 34 insertions(+), 5 deletions(-)
---
diff --git a/cmake/modules/FindIntltool.cmake b/cmake/modules/FindIntltool.cmake
index 4b27fd9..1ddde6b 100644
--- a/cmake/modules/FindIntltool.cmake
+++ b/cmake/modules/FindIntltool.cmake
@@ -12,18 +12,26 @@
 #
 # The below provided macros require GETTEXT_PACKAGE to be set.
 #
+# intltool_add_check_potfiles_target()
+#    Adds a check-potfiles target, which verifies that all files with translations
+#    are added in the POTFILES.in file inside GETTEXT_PO_DIR. This macro can be called
+#    only inside GETTEXT_PO_DIR.
+#
 # intltool_add_pot_file_target()
 #    Creates a new target pot-file, which generates ${GETTEXT_PACKAGE}.pot file into
 #    the CMAKE_CURERNT_BINARY_DIR. This target is not part of ALL.
 #    This can be called only inside GETTEXT_PO_DIR.
 #
-# intltool_process_po_files(_po_files_var)
-#    Processes all files in the list variable _po_files_var, which are
-#    located in CMAKE_CURRENT_SOURCE_DIR and generates .gmo files for them
+# intltool_process_po_files()
+#    Processes all files in the GETTEXT_PO_DIR and generates .gmo files for them
 #    in CMAKE_CURRENT_BINARY_DIR. These are added into a new target gmo-files.
 #    It also installs them into proper location under LOCALE_INSTALL_DIR.
 #    This can be called only inside GETTEXT_PO_DIR.
 #
+# intltool_setup_po_dir()
+#    Shortcut to setup intltool's po/ directory by adding all custom targets
+#    and such. this can be called only inside GETTEXT_PO_DIR.
+#
 # intltool_merge(_in_filename _out_filename ...args)
 #    Adds rule to call intltool-merge. The args are optional arguments.
 #    This can be called in any folder, only the GETTEXT_PO_DIR should
@@ -63,6 +71,17 @@ if(NOT INTLTOOL_MERGE)
        message(FATAL_ERROR "intltool-merge not found. Please install it (usually part of an 'intltool' 
package)")
 endif(NOT INTLTOOL_MERGE)
 
+macro(intltool_add_check_potfiles_target)
+       if(NOT CMAKE_CURRENT_SOURCE_DIR STREQUAL GETTEXT_PO_DIR)
+               message(FATAL_ERROR "intltool_add_pot_file_target() can be called only inside GETTEXT_PO_DIR 
('${GETTEXT_PO_DIR}'), but it is called inside '${CMAKE_CURRENT_SOURCE_DIR}' instead")
+       endif(NOT CMAKE_CURRENT_SOURCE_DIR STREQUAL GETTEXT_PO_DIR)
+
+       add_custom_target(check-potfiles
+               COMMAND ${INTLTOOL_UPDATE} -m
+               WORKING_DIRECTORY ${GETTEXT_PO_DIR}
+       )
+endmacro(intltool_add_check_potfiles_target)
+
 macro(intltool_add_pot_file_target)
        if(NOT CMAKE_CURRENT_SOURCE_DIR STREQUAL GETTEXT_PO_DIR)
                message(FATAL_ERROR "intltool_add_pot_file_target() can be called only inside GETTEXT_PO_DIR 
('${GETTEXT_PO_DIR}'), but it is called inside '${CMAKE_CURRENT_SOURCE_DIR}' instead")
@@ -114,6 +133,16 @@ macro(intltool_process_po_files)
        )
 endmacro(intltool_process_po_files)
 
+macro(intltool_setup_po_dir)
+       if(NOT CMAKE_CURRENT_SOURCE_DIR STREQUAL GETTEXT_PO_DIR)
+               message(FATAL_ERROR "intltool_setup_po_dir() can be called only inside GETTEXT_PO_DIR 
('${GETTEXT_PO_DIR}'), but it is called inside '${CMAKE_CURRENT_SOURCE_DIR}' instead")
+       endif(NOT CMAKE_CURRENT_SOURCE_DIR STREQUAL GETTEXT_PO_DIR)
+
+       intltool_add_check_potfiles_target()
+       intltool_add_pot_file_target()
+       intltool_process_po_files()
+endmacro(intltool_setup_po_dir)
+
 macro(intltool_merge _in_filename _out_filename)
        set(_in ${_in_filename})
        set(_out ${_out_filename})
diff --git a/po/CMakeLists.txt b/po/CMakeLists.txt
index 8c09ff5..9e81642 100644
--- a/po/CMakeLists.txt
+++ b/po/CMakeLists.txt
@@ -1,2 +1 @@
-intltool_process_po_files()
-intltool_add_pot_file_target()
+intltool_setup_po_dir()
diff --git a/po/POTFILES.skip b/po/POTFILES.skip
index 861b981..fe29d74 100644
--- a/po/POTFILES.skip
+++ b/po/POTFILES.skip
@@ -1,3 +1,4 @@
+build/
 camel/camel-news-address.c
 camel/camel-process.c
 camel/providers/nntp/camel-nntp-auth.c