cmake: use external libintl on windows

git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@24338 a592a061-630c-0410-9148-cb99ea01b6c8

development/cmake/CMakeLists.txt

@@ -116,12 +116,20 @@ find_package(ZLIB REQUIRED)
 
 if(all OR aspell)
 	set(aspell TRUE CACHE TYPE STRING)
-	find_package(ASPELL REQUIRED)
+	find_package(ASPELL REQUIRED)	
 else()
 	find_package(ASPELL)
 endif()
 set(aspell)
 
+if(WIN32)
+	set(use_external_libintl TRUE)
+endif()
+
+if(use_external_libintl)
+	find_package(Libintl REQUIRED)
+endif()
+
 message("")
 if(nls OR all)
 	set(nls TRUE CACHE TYPE STRING)
@@ -304,7 +312,9 @@ include_directories(
 	${TOP_SRC_DIR}/boost)
 
 add_subdirectory(boost)
-add_subdirectory(intl)
+if(NOT use_external_libintl)
+	add_subdirectory(intl)
+endif()
 add_subdirectory(src)
 
 include(../Install)

development/cmake/intl/CMakeLists.txt

@@ -74,6 +74,7 @@ if(ICONV_FOUND)
 endif()
 
 add_library(intl STATIC ${intl_sources} ${intl_headers})
+set(LIBINTL_LIBRARIES intl)
 
 if(ICONV_FOUND)
 	target_link_libraries(intl ${ICONV_LIBRARY})

development/cmake/modules/FindLibintl.cmake

@@ -0,0 +1,46 @@
+# Try to find Libintl functionality
+# Once done this will define
+#
+#  LIBINTL_FOUND - system has Libintl
+#  LIBINTL_INCLUDE_DIR - Libintl include directory
+#  LIBINTL_LIBRARIES - Libraries needed to use Libintl
+#
+# TODO: This will enable translations only if Gettext functionality is
+# present in libc. Must have more robust system for release, where Gettext
+# functionality can also reside in standalone Gettext library, or the one
+# embedded within kdelibs (cf. gettext.m4 from Gettext source).
+
+# Copyright (c) 2006, Chusslove Illich, <caslav.ilic@gmx.net>
+# Copyright (c) 2007, Alexander Neundorf, <neundorf@kde.org>
+#
+# Redistribution and use is allowed according to the terms of the BSD license.
+# For details see the accompanying COPYING-CMAKE-SCRIPTS file.
+
+if(LIBINTL_INCLUDE_DIR AND LIBINTL_LIB_FOUND)
+  set(Libintl_FIND_QUIETLY TRUE)
+endif(LIBINTL_INCLUDE_DIR AND LIBINTL_LIB_FOUND)
+
+find_path(LIBINTL_INCLUDE_DIR libintl.h)
+
+set(LIBINTL_LIB_FOUND FALSE)
+
+if(LIBINTL_INCLUDE_DIR)
+  include(CheckFunctionExists)
+  check_function_exists(dgettext LIBINTL_LIBC_HAS_DGETTEXT)
+
+  if (LIBINTL_LIBC_HAS_DGETTEXT)
+    set(LIBINTL_LIBRARIES)
+    set(LIBINTL_LIB_FOUND TRUE)
+  else (LIBINTL_LIBC_HAS_DGETTEXT)
+    find_library(LIBINTL_LIBRARIES NAMES intl libintl )
+    if(LIBINTL_LIBRARIES)
+      set(LIBINTL_LIB_FOUND TRUE)
+    endif(LIBINTL_LIBRARIES)
+  endif (LIBINTL_LIBC_HAS_DGETTEXT)
+
+endif(LIBINTL_INCLUDE_DIR)
+
+#include(FindPackageHandleStandardArgs)
+#find_package_handle_standard_args(Libintl  DEFAULT_MSG  LIBINTL_INCLUDE_DIR  LIBINTL_LIB_FOUND)
+
+mark_as_advanced(LIBINTL_INCLUDE_DIR  LIBINTL_LIBRARIES  LIBINTL_LIBC_HAS_DGETTEXT  LIBINTL_LIB_FOUND)

development/cmake/src/CMakeLists.txt

@@ -64,7 +64,8 @@ target_link_libraries(lyx
 	frontend_qt4
 	graphics
 	support
-	intl
+	${LIBINTL_LIBRARIES}
+	${ICONV_LIBRARY}
 	${QT_QTMAIN_LIBRARY}
 	${vld_dll})
 

development/cmake/src/tex2lyx/CMakeLists.txt

@@ -59,7 +59,8 @@ target_link_libraries(tex2lyx
 	support
 	boost_regex
 	${QT_QTCORE_LIBRARY} 
-	intl)
+	${LIBINTL_LIBRARIES}
+	${ICONV_LIBRARY})
 	
 if(WIN32)
 	target_link_libraries(tex2lyx shlwapi)