Add config option used when we try to link one huge object file.

In theory, it should not be used, we use it now to mark duplicated
symbols from sdi slots as weak. See idl/source/objects/types.cxx.

Change-Id: I3c6fccfb96884df6b9e6eb35b8615ba4d66ca208

basctl/source/basicide/basidesh.cxx

@@ -17,6 +17,8 @@
  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  */
 
+#include <config_options.h>
+
 #include "basidesh.hxx"
 
 #include <tools/diagnose_ex.h>

config_host/config_options.h.in

@@ -0,0 +1,15 @@
+/*
+ * General configuration settings for various options.
+ */
+
+#ifndef CONFIG_OPTIONS_H
+#define CONFIG_OPTIONS_H
+
+/*
+ * Whether we want to link as many object files as possible into one big object.
+ * True in case of --enable-lto or --enable-mergelibs.
+ */
+
+#define STATIC_LINKING 0
+
+#endif

configure.ac

@@ -2530,6 +2530,7 @@ fi
 if test -n "$enable_lto" -a "$enable_lto" != "no"; then
     ENABLE_LTO="TRUE"
     AC_MSG_RESULT([yes])
+    AC_DEFINE(STATIC_LINKING)
 else
     ENABLE_LTO=""
     AC_MSG_RESULT([no])
@@ -12407,6 +12408,7 @@ if test -n "$enable_mergelibs" -a "$enable_mergelibs" != "no"; then
         MERGELIBS="CORE"
     fi
     AC_MSG_RESULT([yes])
+    AC_DEFINE(STATIC_LINKING)
 else
     AC_MSG_RESULT([no])
 fi
@@ -12632,6 +12634,7 @@ AC_CONFIG_HEADERS([config_host/config_orcus.h])
 AC_CONFIG_HEADERS([config_host/config_kde4.h])
 AC_CONFIG_HEADERS([config_host/config_mingw.h])
 AC_CONFIG_HEADERS([config_host/config_oox.h])
+AC_CONFIG_HEADERS([config_host/config_options.h])
 AC_CONFIG_HEADERS([config_host/config_test.h])
 AC_CONFIG_HEADERS([config_host/config_telepathy.h])
 AC_CONFIG_HEADERS([config_host/config_typesizes.h])

idl/source/objects/types.cxx

@@ -1416,7 +1416,7 @@ void SvMetaType::WriteSfxItem(
 
     // write the implementation part
     rOutStm.WriteCharPtr( "#ifdef SFX_TYPEMAP" ) << endl;
-    rOutStm.WriteCharPtr( "#if !defined(_WIN32) && ((defined(DISABLE_DYNLOADING) && (defined(ANDROID) || defined(IOS))) || defined(LIBO_MERGELIBS))" ) << endl;
+    rOutStm.WriteCharPtr( "#if !defined(_WIN32) && ((defined(DISABLE_DYNLOADING) && (defined(ANDROID) || defined(IOS))) || STATIC_LINKING)" ) << endl;
     rOutStm.WriteCharPtr( "__attribute__((__weak__))" ) << endl;
     rOutStm.WriteCharPtr( "#endif" ) << endl;
     rOutStm.WriteCharPtr( aTypeName.getStr() ).WriteCharPtr( aVarName.getStr() )

sc/source/ui/app/typemap.cxx

@@ -17,6 +17,8 @@
  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  */
 
+#include <config_options.h>
+
 #include <svx/svxids.hrc>
 #include "sc.hrc"
 #include "scitems.hxx"

sd/source/core/typemap.cxx

@@ -17,6 +17,7 @@
  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  */
 
+#include <config_options.h>
 
 #include <editeng/outliner.hxx>
 #include <editeng/eeitem.hxx>

sfx2/source/appl/appbas.cxx

@@ -17,6 +17,8 @@
  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  */
 
+#include <config_options.h>
+
 #include <com/sun/star/frame/XDesktop.hpp>
 #include <com/sun/star/script/XLibraryContainer.hpp>
 #include <com/sun/star/uno/Reference.h>

starmath/source/typemap.cxx

@@ -17,6 +17,8 @@
  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  */
 
+#include <config_options.h>
+
 #include <sfx2/msg.hxx>
 #include <svl/stritem.hxx>
 #include <svl/eitem.hxx>

svx/source/form/typemap.cxx

@@ -17,6 +17,8 @@
  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  */
 
+#include <config_options.h>
+
 #include <sfx2/objitem.hxx>
 #include <sfx2/msg.hxx>
 #include <svl/stritem.hxx>

sw/source/ui/shells/slotadd.cxx

@@ -17,6 +17,7 @@
  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  */
 
+#include <config_options.h>
 
 #include "hintids.hxx"
 #include "uiitems.hxx"