gpg4libre: conditional-compile gpgme code

Change-Id: I1d139a7b6df271d61bedd107c6b3a0535d233606
Reviewed-on: https://gerrit.libreoffice.org/45124
Reviewed-by: Siegmund Gorr <siegmund.gorr@cib.de>
Reviewed-by: Thorsten Behrens <Thorsten.Behrens@CIB.de>
Tested-by: Thorsten Behrens <Thorsten.Behrens@CIB.de>

config_host/config_gpgme.h.in

@@ -10,6 +10,9 @@
 /* Configuration for gpgme++.
  */
 
+// Defined if gpgme support is available
+#define GPGME_HAVE_GPGME 0
+
 // Defined if gpgme supports exporting minimal key.
 #define GPGME_CAN_EXPORT_MINIMAL_KEY 0
 

configure.ac

@@ -10169,6 +10169,7 @@ if test "$_os" = "Linux" -o "$_os" = "Darwin" \
             LIBASSUAN_LIBS="-L${WORKDIR}/UnpackedTarball/libassuan/src/.libs -lassuan"
         fi
     fi
+    AC_DEFINE([GPGME_HAVE_GPGME])
 fi
 AC_SUBST(SYSTEM_GPGMEPP)
 AC_SUBST(GPG_ERROR_CFLAGS)

xmlsecurity/source/helper/documentsignaturemanager.cxx

@@ -17,6 +17,8 @@
  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  */
 
+#include <config_gpgme.h>
+
 #include <documentsignaturemanager.hxx>
 #include <gpg/SEInitializer.hxx>
 
@@ -64,14 +66,14 @@ bool DocumentSignatureManager::init()
     initXmlSec();
 
     mxSEInitializer = xml::crypto::SEInitializer::create(mxContext);
-#if !defined(MACOSX) && !defined(WNT) && !defined(ANDROID)
+#if GPGME_HAVE_GPGME
     mxGpgSEInitializer.set(new SEInitializerGpg());
 #endif
 
     if (mxSEInitializer.is())
         mxSecurityContext = mxSEInitializer->createSecurityContext(OUString());
 
-#if !defined(MACOSX) && !defined(WNT) && !defined(ANDROID)
+#if GPGME_HAVE_GPGME
     if (mxGpgSEInitializer.is())
         mxGpgSecurityContext = mxGpgSEInitializer->createSecurityContext(OUString());
 

xmlsecurity/source/helper/xsecctl.cxx

@@ -17,12 +17,13 @@
  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  */
 
+#include <config_gpgme.h>
 
 #include <xsecctl.hxx>
 #include <documentsignaturehelper.hxx>
 #include <framework/saxeventkeeperimpl.hxx>
 #include <xmlsec/xmldocumentwrapper_xmlsecimpl.hxx>
-#if !defined(MACOSX) && !defined(WNT) && !defined(ANDROID)
+#if GPGME_HAVE_GPGME
 # include <gpg/xmlsignature_gpgimpl.hxx>
 #endif
 
@@ -160,7 +161,7 @@ void XSecController::createXSecComponent( )
 
     cssu::Reference< cssl::XMultiComponentFactory > xMCF( mxCtx->getServiceManager() );
 
-#if !defined(MACOSX) && !defined(WNT) && !defined(ANDROID)
+#if GPGME_HAVE_GPGME
     uno::Reference< lang::XServiceInfo > xServiceInfo( m_xSecurityContext, cssu::UNO_QUERY );
     if (xServiceInfo->getImplementationName() == "com.sun.star.xml.security.gpg.XMLSecurityContext_GpgImpl")
         m_xXMLSignature.set(new XMLSignature_GpgImpl());

xmlsecurity/source/helper/xsecverify.cxx

@@ -17,6 +17,7 @@
  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  */
 
+#include <config_gpgme.h>
 
 #include <xsecctl.hxx>
 #include "xsecparser.hxx"
@@ -119,7 +120,7 @@ void XSecController::addSignature()
 
 void XSecController::switchGpgSignature()
 {
-#if !defined(MACOSX) && !defined(WNT) && !defined(ANDROID)
+#if GPGME_HAVE_GPGME
     // swap signature verifier for the Gpg one
     m_xXMLSignature.set(new XMLSignature_GpgImpl());
     if (!m_vInternalSignatureInformations.empty())

xmlsecurity/source/xmlsec/xsec_xmlsec.cxx

@@ -27,7 +27,8 @@
 #include <xmlsec/xmldocumentwrapper_xmlsecimpl.hxx>
 #include "xsec_xmlsec.hxx"
 
-#if !defined(MACOSX) && !defined(WNT) && !defined(ANDROID)
+#include <config_gpgme.h>
+#if GPGME_HAVE_GPGME
 # include <gpg/xmlsignature_gpgimpl.hxx>
 #endif
 
@@ -44,7 +45,7 @@ SAL_DLLPUBLIC_EXPORT void* SAL_CALL xsec_xmlsec_component_getFactory( const sal_
     Reference< XInterface > xFactory ;
 
     if( pImplName != nullptr ) {
-#if !defined(MACOSX) && !defined(WNT) && !defined(ANDROID)
+#if GPGME_HAVE_GPGME
         if( XMLSignature_GpgImpl::impl_getImplementationName().equalsAscii( pImplName ) )
         {
             xFactory = XMLSignature_GpgImpl::impl_createFactory( static_cast< XMultiServiceFactory* >( pServiceManager ) ) ;