tdf#42949 Fix IWYU warnings: boost/optional in include/

Found with bin/find-unneeded-includes a few low hanging
boost/optional headers.
This gets us about 75M includebloat reduction; still much to go

Change-Id: I5c737631767970f9145609aad298a5d11e3fed65
Reviewed-on: https://gerrit.libreoffice.org/59840
Tested-by: Jenkins
Reviewed-by: Miklos Vajna <vmiklos@collabora.co.uk>

10 files changed, 13 insertions, 8 deletions

diff --git a/desktop/source/deployment/dp_log.cxx b/desktop/source/deployment/dp_log.cxx
index fbf08fb0dc12..4728b3c772fa 100644
--- a/desktop/source/deployment/dp_log.cxx
+++ b/desktop/source/deployment/dp_log.cxx
@@ -34,7 +34,7 @@
 #include <com/sun/star/io/IOException.hpp>
 #include <com/sun/star/io/XSeekable.hpp>
 #include <stdio.h>
-
+#include <boost/optional.hpp>
 
 using namespace ::com::sun::star;
 using namespace ::com::sun::star::uno;
diff --git a/desktop/source/deployment/registry/dp_backend.cxx b/desktop/source/deployment/registry/dp_backend.cxx
index 98029f2a2bb2..c036e613da04 100644
--- a/desktop/source/deployment/registry/dp_backend.cxx
+++ b/desktop/source/deployment/registry/dp_backend.cxx
@@ -44,7 +44,7 @@
 #include <com/sun/star/sdbc/XResultSet.hpp>
 #include <com/sun/star/sdbc/XRow.hpp>
 #include <unotools/tempfile.hxx>
-
+#include <boost/optional.hpp>
 
 using namespace ::dp_misc;
 using namespace ::com::sun::star;
diff --git a/include/comphelper/unwrapargs.hxx b/include/comphelper/unwrapargs.hxx
index afea437bcf7e..a7f7f0001898 100644
--- a/include/comphelper/unwrapargs.hxx
+++ b/include/comphelper/unwrapargs.hxx
@@ -25,7 +25,8 @@
 #include <com/sun/star/uno/XInterface.hpp>
 #include <com/sun/star/lang/IllegalArgumentException.hpp>
 #include <cppu/unotype.hxx>
-#include <boost/optional.hpp>
+
+namespace boost { template <class T> class optional; }
 
 namespace comphelper {
 
diff --git a/include/editeng/editeng.hxx b/include/editeng/editeng.hxx
index a94cf2abd0fb..3803822628ee 100644
--- a/include/editeng/editeng.hxx
+++ b/include/editeng/editeng.hxx
@@ -41,9 +41,10 @@
 #include <o3tl/typed_flags_set.hxx>
 #include <svl/languageoptions.hxx>
 #include <vcl/errcode.hxx>
-#include <boost/optional.hpp>
 #include <functional>
 
+namespace boost { template <class T> class optional; }
+
 namespace com { namespace sun { namespace star {
   namespace linguistic2 {
     class XSpellChecker1;
diff --git a/include/sax/tools/converter.hxx b/include/sax/tools/converter.hxx
index c7fe12f4c100..a8880d962920 100644
--- a/include/sax/tools/converter.hxx
+++ b/include/sax/tools/converter.hxx
@@ -22,8 +22,6 @@
 
 #include <sax/saxdllapi.h>
 
-#include <boost/optional/optional.hpp>
-
 #include <sal/types.h>
 #include <rtl/ustring.hxx>
 #include <rtl/ustrbuf.hxx>
@@ -31,6 +29,7 @@
 #include <com/sun/star/util/MeasureUnit.hpp>
 #include <tools/color.hxx>
 
+namespace boost { template <class T> class optional; }
 
 namespace com { namespace sun { namespace star {
     namespace uno {
diff --git a/include/toolkit/controls/unocontrols.hxx b/include/toolkit/controls/unocontrols.hxx
index e794147f9f2d..c7fd44c520f7 100644
--- a/include/toolkit/controls/unocontrols.hxx
+++ b/include/toolkit/controls/unocontrols.hxx
@@ -58,7 +58,7 @@
 #include <memory>
 #include <vector>
 
-#include <boost/optional.hpp>
+namespace boost { template <class T> class optional; }
 
 class ImageHelper
 {
diff --git a/include/unotools/historyoptions.hxx b/include/unotools/historyoptions.hxx
index df9030a7e8fa..57b7d50da92c 100644
--- a/include/unotools/historyoptions.hxx
+++ b/include/unotools/historyoptions.hxx
@@ -20,7 +20,6 @@
 #ifndef INCLUDED_UNOTOOLS_HISTORYOPTIONS_HXX
 #define INCLUDED_UNOTOOLS_HISTORYOPTIONS_HXX
 
-#include <boost/optional.hpp>
 #include <unotools/unotoolsdllapi.h>
 #include <sal/types.h>
 #include <com/sun/star/uno/Sequence.h>
@@ -29,6 +28,8 @@
 #include <unotools/options.hxx>
 #include <memory>
 
+namespace boost { template <class T> class optional; }
+
 // The method GetList() returns a list of property values.
 // Use follow defines to separate values by names.
 
diff --git a/sax/source/tools/converter.cxx b/sax/source/tools/converter.cxx
index 416ada3f4ce4..79f84c09697e 100644
--- a/sax/source/tools/converter.cxx
+++ b/sax/source/tools/converter.cxx
@@ -27,6 +27,7 @@
 #include <com/sun/star/util/Duration.hpp>
 #include <com/sun/star/util/Time.hpp>
 #include <com/sun/star/uno/Sequence.hxx>
+#include <boost/optional.hpp>
 
 #include <rtl/ustrbuf.hxx>
 #include <rtl/math.hxx>
diff --git a/sfx2/source/doc/SfxDocumentMetaData.cxx b/sfx2/source/doc/SfxDocumentMetaData.cxx
index 6de2cf153da3..78dfda2cd53a 100644
--- a/sfx2/source/doc/SfxDocumentMetaData.cxx
+++ b/sfx2/source/doc/SfxDocumentMetaData.cxx
@@ -78,6 +78,7 @@
 #include <sfx2/docfile.hxx>
 #include <sax/tools/converter.hxx>
 #include <i18nlangtag/languagetag.hxx>
+#include <boost/optional.hpp>
 
 #include <utility>
 #include <vector>
diff --git a/unotools/source/config/historyoptions.cxx b/unotools/source/config/historyoptions.cxx
index e08aa57c09cb..1f528bd428cb 100644
--- a/unotools/source/config/historyoptions.cxx
+++ b/unotools/source/config/historyoptions.cxx
@@ -37,6 +37,7 @@
 #include <comphelper/configurationhelper.hxx>
 #include <comphelper/processfactory.hxx>
 #include <tools/diagnose_ex.h>
+#include <boost/optional.hpp>
 
 using namespace ::std;
 using namespace ::utl;