configure option to disable libnumbertext

Because we get a crash in CppunitTest_sw_odfexport when compiling with
clang >= 6.0.0

Also had to fix the ENABLE_LIBNUMBERTEXT being propogated, and the
way the code checked it.

Change-Id: I68e4a0078016d176f478ca4c1110fc296b6ca921

config_host/config_libnumbertext.h.in

@@ -0,0 +1,17 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+#ifndef INCLUDED_CONFIG_LIBNUMBERTEXT_H
+#define INCLUDED_CONFIG_LIBNUMBERTEXT_H
+
+#define ENABLE_LIBNUMBERTEXT 0
+
+#endif
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */

configure.ac

@@ -1169,6 +1169,10 @@ libo_FUZZ_ARG_ENABLE(ooenv,
     AS_HELP_STRING([--disable-ooenv],
         [Disable ooenv for the instdir installation.]))
 
+libo_FUZZ_ARG_ENABLE(libnumbertext,
+    AS_HELP_STRING([--disable-libnumbertext],
+        [Disable use of numbertext external library.]))
+
 AC_ARG_ENABLE(lto,
     AS_HELP_STRING([--enable-lto],
         [Enable link-time optimization. Suitable for (optimised) product builds. Building might take
@@ -9653,25 +9657,36 @@ AC_SUBST(SYSTEM_LIBEXTTEXTCAT_DATA)
 dnl ===================================================================
 dnl Checking for libnumbertext
 dnl ===================================================================
-ENABLE_LIBNUMBERTEXT=TRUE
-libo_CHECK_SYSTEM_MODULE([libnumbertext],[LIBNUMBERTEXT],[libnumbertext >= 1.0.0])
-LIBNUMBERTEXT_CFLAGS="$LIBNUMBERTEXT_CFLAGS -DENABLE_LIBNUMBERTEXT"
-if test "$with_system_libnumbertext" = "yes"; then
-    SYSTEM_LIBNUMBERTEXT_DATA=file://`$PKG_CONFIG --variable=pkgdatadir libnumbertext`
-    SYSTEM_LIBNUMBERTEXT=YES
+AC_MSG_CHECKING([whether to use libnumbertext])
+if test "$enable_libnumbertext" = "no"; then
+    AC_MSG_RESULT([no])
+    ENABLE_LIBNUMBERTEXT=
+    SYSTEM_LIBNUMBERTEXT=
 else
-    AC_LANG_PUSH([C++])
-    save_CXXFLAGS=$CXXFLAGS
-    CXXFLAGS="$CXXFLAGS $CXXFLAGS_CXX11"
-    AC_CHECK_HEADERS([codecvt regex])
-    AS_IF([test "x$ac_cv_header_codecvt" != xyes -o "x$ac_cv_header_regex" != xyes],
-            [ ENABLE_LIBNUMBERTEXT=''
-              LIBNUMBERTEXT_CFLAGS=''
-              AC_MSG_WARN([No system-provided libnumbertext or codecvt/regex C++11 headers (min. libstdc++ 4.9).
-                           Enable libnumbertext fallback (missing number to number name conversion).])
-            ])
-    CXXFLAGS=$save_CXXFLAGS
-    AC_LANG_POP([C++])
+    AC_MSG_RESULT([yes])
+    ENABLE_LIBNUMBERTEXT=TRUE
+    libo_CHECK_SYSTEM_MODULE([libnumbertext],[LIBNUMBERTEXT],[libnumbertext >= 1.0.0])
+    if test "$with_system_libnumbertext" = "yes"; then
+        SYSTEM_LIBNUMBERTEXT_DATA=file://`$PKG_CONFIG --variable=pkgdatadir libnumbertext`
+        SYSTEM_LIBNUMBERTEXT=YES
+    else
+        SYSTEM_LIBNUMBERTEXT=
+        AC_LANG_PUSH([C++])
+        save_CXXFLAGS=$CXXFLAGS
+        CXXFLAGS="$CXXFLAGS $CXXFLAGS_CXX11"
+        AC_CHECK_HEADERS([codecvt regex])
+        AS_IF([test "x$ac_cv_header_codecvt" != xyes -o "x$ac_cv_header_regex" != xyes],
+                [ ENABLE_LIBNUMBERTEXT=''
+                  LIBNUMBERTEXT_CFLAGS=''
+                  AC_MSG_WARN([No system-provided libnumbertext or codecvt/regex C++11 headers (min. libstdc++ 4.9).
+                               Enable libnumbertext fallback (missing number to number name conversion).])
+                ])
+        CXXFLAGS=$save_CXXFLAGS
+        AC_LANG_POP([C++])
+    fi
+    if test "$ENABLE_LIBNUMBERTEXT" = TRUE; then
+        AC_DEFINE(ENABLE_LIBNUMBERTEXT)
+    fi
 fi
 AC_SUBST(SYSTEM_LIBNUMBERTEXT)
 AC_SUBST(SYSTEM_LIBNUMBERTEXT_DATA)
@@ -12732,6 +12747,7 @@ AC_CONFIG_HEADERS([config_host/config_langs.h])
 AC_CONFIG_HEADERS([config_host/config_lgpl.h])
 AC_CONFIG_HEADERS([config_host/config_libcxx.h])
 AC_CONFIG_HEADERS([config_host/config_liblangtag.h])
+AC_CONFIG_HEADERS([config_host/config_libnumbertext.h])
 AC_CONFIG_HEADERS([config_host/config_locales.h])
 AC_CONFIG_HEADERS([config_host/config_mpl.h])
 AC_CONFIG_HEADERS([config_host/config_kde4.h])

lingucomponent/source/numbertext/numbertext.cxx

@@ -17,6 +17,7 @@
  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  */
 
+#include <config_libnumbertext.h>
 #include <iostream>
 
 #include <osl/file.hxx>
@@ -37,7 +38,7 @@
 
 #include <sal/macros.h>
 
-#ifdef ENABLE_LIBNUMBERTEXT
+#if ENABLE_LIBNUMBERTEXT
 #include <Numbertext.hxx>
 #endif
 
@@ -67,7 +68,7 @@ static osl::Mutex& GetNumberTextMutex()
 
 class NumberText_Impl : public ::cppu::WeakImplHelper<XNumberText, XServiceInfo>
 {
-#if defined(ENABLE_LIBNUMBERTEXT) || defined(SYSTEM_LIBNUMBERTEXT)
+#if ENABLE_LIBNUMBERTEXT
     Numbertext m_aNumberText;
 #endif
     bool m_bInitialized;
@@ -114,7 +115,7 @@ void NumberText_Impl::EnsureInitialized()
 #else
         aPhysPath += "/";
 #endif
-#if defined(ENABLE_LIBNUMBERTEXT) || defined(SYSTEM_LIBNUMBERTEXT)
+#if ENABLE_LIBNUMBERTEXT
         OString path = OUStringToOString(aPhysPath, osl_getThreadTextEncoding());
         m_aNumberText.set_prefix(path.getStr());
 #endif
@@ -122,7 +123,7 @@ void NumberText_Impl::EnsureInitialized()
 }
 
 OUString SAL_CALL NumberText_Impl::getNumberText(const OUString& rText, const Locale&
-#if defined(ENABLE_LIBNUMBERTEXT) || defined(SYSTEM_LIBNUMBERTEXT)
+#if ENABLE_LIBNUMBERTEXT
                                                                             rLocale)
 #else
 )
@@ -130,7 +131,7 @@ OUString SAL_CALL NumberText_Impl::getNumberText(const OUString& rText, const Lo
 {
     osl::MutexGuard aGuard(GetNumberTextMutex());
     EnsureInitialized();
-#if defined(ENABLE_LIBNUMBERTEXT) || defined(SYSTEM_LIBNUMBERTEXT)
+#if ENABLE_LIBNUMBERTEXT
     // libnumbertext supports Language + Country tags (separated by "_" or "-")
     LanguageTag aLanguageTag(rLocale);
     OUString aCode(aLanguageTag.getLanguage());