From e8e67953cac11ae86c090194ed0ce05adf7c6d41 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Sl=C3=A1vek=20Banko?= <slavek.banko@axis.cz>
Date: Tue, 25 May 2021 19:15:23 +0200
Subject: Add a top-level CMake rules that allows to build all languages
 depending on the setting of the LINGUAS environment variable. To enable
 separate installation of individual languages, there are individual targets
 with "install-<lang>" format.
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Don't use it with standard make, because due to the huge number
of targets, it has a huge overhead and therefore provides lousy
performance!

Signed-off-by: Slávek Banko <slavek.banko@axis.cz>
---
 CMakeLists.txt | 63 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 63 insertions(+)
 create mode 100644 CMakeLists.txt

diff --git a/CMakeLists.txt b/CMakeLists.txt
new file mode 100644
index 00000000000..0392e0d9df6
--- /dev/null
+++ b/CMakeLists.txt
@@ -0,0 +1,63 @@
+#################################################
+#
+#  (C) 2021 Slávek Banko
+#  slavek.banko (AT) axis.cz
+#
+#  Improvements and feedback are welcome
+#
+#  This file is released under GPL >= 2
+#
+#################################################
+
+cmake_minimum_required( VERSION 2.8.12 )
+
+
+##### general package setup #####################
+
+project( tde-i18n )
+set( VERSION R14.1.0 )
+
+
+##### include essential cmake modules ###########
+
+include( FindPkgConfig ) # required for find_package( TDE )
+
+
+##### include our cmake modules #################
+
+set( CMAKE_MODULE_PATH "${CMAKE_SOURCE_DIR}/cmake/modules" )
+include( TDEMacros )
+
+
+##### find required stuff #######################
+
+find_package( TDE )
+
+include( TDESetupPaths )
+tde_setup_paths( )
+
+
+##### process languages #########################
+
+file( GLOB _dirs RELATIVE ${CMAKE_CURRENT_SOURCE_DIR} * )
+list( SORT _dirs )
+
+string( REGEX REPLACE "[ \r\n\t]+" ";" _linguas "$ENV{LINGUAS}" )
+
+foreach( _dir IN LISTS _dirs )
+  string( REGEX REPLACE "^${PROJECT_NAME}-" "" _lang "${_dir}" )
+  if( "${_dir}" MATCHES "^${PROJECT_NAME}-"
+      AND IS_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/${_dir}
+      AND EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/${_dir}/CMakeLists.txt
+      AND ( "${_lang}" STREQUAL "en" OR
+            "${_linguas}" MATCHES "^;*$" OR
+            ";${_linguas};" MATCHES ";${_lang};" ))
+    add_subdirectory( ${_dir} )
+    string( REGEX REPLACE "@" "_" _lang_target "${_lang}" )
+    add_custom_target( install-${_lang_target}
+      COMMAND ${CMAKE_COMMAND}
+        -DCOMPONENT=${_lang}
+        -P ${CMAKE_BINARY_DIR}/cmake_install.cmake
+    )
+  endif()
+endforeach()
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