Pass ENABLE_LIBLANGTAG into code via config_liblangtag.h

...so changes to ENABLE_LIBLANGTAG during configure cause proper recompilation
of source code

Change-Id: I282623c885b83e3bf7d94f6f364c5031c012f058

config_host/config_liblangtag.h.in

 #ifndef CONFIG_LIBLANGTAG_H
 #define CONFIG_LIBLANGTAG_H
 
+#define ENABLE_LIBLANGTAG 0
 #define LIBLANGTAG_INLINE_FIX 0
 
 #endif

configure.ac

@@ -11768,6 +11768,7 @@ if test "$enable_liblangtag" = "yes" -o \
             LIBLANGTAG_LIBS="-L${WORKDIR}/UnpackedTarball/langtag/liblangtag/.libs -llangtag"
         fi
     fi
+    AC_DEFINE(ENABLE_LIBLANGTAG)
 else
     AC_MSG_RESULT([no])
 fi

i18nlangtag/CppunitTest_i18nlangtag_test_languagetag.mk

@@ -29,7 +29,6 @@ $(eval $(call gb_CppunitTest_use_externals,i18nlangtag_test_languagetag,\
 	liblangtag \
 	libxml2 \
 ))
-$(eval $(call gb_CppunitTest_add_defs,i18nlangtag_test_languagetag,-DENABLE_LIBLANGTAG))
 
 ifneq ($(SYSTEM_LIBLANGTAG),)
 $(eval $(call gb_CppunitTest_add_defs,i18nlangtag_test_languagetag,-DSYSTEM_LIBLANGTAG))

i18nlangtag/Library_i18nlangtag.mk

@@ -36,7 +36,6 @@ $(eval $(call gb_Library_add_exception_objects,i18nlangtag,\
 
 
 ifeq ($(ENABLE_LIBLANGTAG),TRUE)
-$(eval $(call gb_Library_add_defs,i18nlangtag,-DENABLE_LIBLANGTAG))
 $(eval $(call gb_Library_use_external,i18nlangtag,liblangtag))
 $(eval $(call gb_Library_use_external,i18nlangtag,libxml2))
 $(eval $(call gb_Library_use_system_win32_libs,i18nlangtag,\

i18nlangtag/qa/cppunit/test_languagetag.cxx

@@ -17,6 +17,7 @@
 #include <i18nlangtag/mslangid.hxx>
 #include <i18nlangtag/languagetag.hxx>
 
+#include <config_liblangtag.h>
 #include <rtl/ustring.hxx>
 #include <rtl/ustrbuf.hxx>
 #include <osl/file.hxx>
@@ -25,14 +26,6 @@
 
 using namespace com::sun::star;
 
-// To test the replacement code add '&& 0' and also in
-// source/languagetag/languagetag.cxx
-#if defined(ENABLE_LIBLANGTAG)
-#define USE_LIBLANGTAG 1
-#else
-#define USE_LIBLANGTAG 0
-#endif
-
 namespace {
 
 class TestLanguageTag : public CppUnit::TestFixture
@@ -58,7 +51,7 @@ void TestLanguageTag::testAllTags()
         OUString aBcp47 = de_DE.getBcp47();
         lang::Locale aLocale = de_DE.getLocale();
         LanguageType nLanguageType = de_DE.getLanguageType();
-#if USE_LIBLANGTAG
+#if ENABLE_LIBLANGTAG
         CPPUNIT_ASSERT_MESSAGE("Default script should be stripped after canonicalize.", aBcp47 == "de-DE" );
         CPPUNIT_ASSERT( aLocale.Language == "de" );
         CPPUNIT_ASSERT( aLocale.Country == "DE" );
@@ -87,7 +80,7 @@ void TestLanguageTag::testAllTags()
         OUString s_klingon( "i-klingon" );
         LanguageTag klingon( s_klingon, true );
         lang::Locale aLocale = klingon.getLocale();
-#if USE_LIBLANGTAG
+#if ENABLE_LIBLANGTAG
         CPPUNIT_ASSERT( klingon.getBcp47() == "tlh" );
         CPPUNIT_ASSERT( aLocale.Language == "tlh" );
         CPPUNIT_ASSERT( aLocale.Country.isEmpty() );
@@ -469,7 +462,7 @@ void TestLanguageTag::testAllTags()
         CPPUNIT_ASSERT( en_GB_oxendict_Fallbacks[4] == "en");
     }
 
-#if USE_LIBLANGTAG
+#if ENABLE_LIBLANGTAG
     // 'zh-yue-HK' uses redundant 'zh-yue' and should be preferred 'yue-HK'
 #if 0
     /* XXX Disabled because liblangtag in lt_tag_canonicalize() after replacing
@@ -623,7 +616,7 @@ void TestLanguageTag::testAllTags()
         CPPUNIT_ASSERT( LanguageTag::isValidBcp47( "en-US", &aCanonicalized, true) && aCanonicalized == "en-US" );
         CPPUNIT_ASSERT( !LanguageTag::isValidBcp47( "x-foobar", &aCanonicalized, true) && aCanonicalized == "x-foobar" );
         CPPUNIT_ASSERT( LanguageTag::isValidBcp47( "qaa", &aCanonicalized, true) && aCanonicalized == "qaa" );
-#if USE_LIBLANGTAG
+#if ENABLE_LIBLANGTAG
         CPPUNIT_ASSERT( LanguageTag::isValidBcp47( "de-Latn-DE", &aCanonicalized) && aCanonicalized == "de-DE" );
         /* TODO: at least some (those we know) grandfathered tags should be
          * recognized by the replacement code. */

i18nlangtag/source/languagetag/languagetag.cxx

@@ -24,7 +24,7 @@
 
 //#define erDEBUG
 
-#if defined(ENABLE_LIBLANGTAG)
+#if ENABLE_LIBLANGTAG
 #if LIBLANGTAG_INLINE_FIX
 #define LT_HAVE_INLINE
 #endif