Add some exporter macros.

test/unit/ImportExport/utExporter.cpp

@@ -45,6 +45,8 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 using namespace Assimp;
 
+#ifndef ASSIMP_BUILD_NO_EXPORT
+
 class TestProgressHandler : public ProgressHandler {
 public:
     TestProgressHandler() :
@@ -101,3 +103,5 @@ TEST_F(ExporterTest, ExporterIdTest) {
     const aiExportFormatDesc *desc = exporter.GetExportFormatDescription(exportFormatCount);
     EXPECT_EQ(nullptr, desc) << "More exporters than claimed";
 }
+
+#endif

test/unit/utColladaImportExport.cpp

@@ -233,6 +233,8 @@ unsigned int GetMeshUseCount(const aiNode *rootNode) {
     return result;
 }
 
+#ifndef ASSIMP_BUILD_NO_EXPORT
+
 TEST_F(utColladaImportExport, exportRootNodeMeshTest) {
     Assimp::Importer importer;
     Assimp::Exporter exporter;
@@ -342,6 +344,8 @@ TEST_F(utColladaImportExport, exporterUniqueIdsTest) {
     ImportAsNames(outFileNamed, scene);
 }
 
+#endif
+
 class utColladaZaeImportExport : public AbstractImportExportBase {
 public:
     virtual bool importerTest() final {