YT-19210: expose YQL shared library for YT.

After this, a new target libyqlplugin.so appears. in open-source cmake build.
Diff in open-source YDB repo looks like the following: https://paste.yandex-team.ru/f302bdb4-7ef2-4362-91c7-6ca45f329264

1 files changed, 24 insertions, 0 deletions

diff --git a/yt/cpp/mapreduce/interface/cypress.cpp b/yt/cpp/mapreduce/interface/cypress.cpp
new file mode 100644
index 0000000000..53686effd2
--- /dev/null
+++ b/yt/cpp/mapreduce/interface/cypress.cpp
@@ -0,0 +1,24 @@
+#include "cypress.h"
+
+#include "config.h"
+
+namespace NYT {
+
+////////////////////////////////////////////////////////////////////////////////
+
+void ICypressClient::Concatenate(
+    const TVector<TYPath>& sourcePaths,
+    const TYPath& destinationPath,
+    const TConcatenateOptions& options)
+{
+    TVector<TRichYPath> richSourcePaths;
+    richSourcePaths.reserve(sourcePaths.size());
+    for (const auto& path : sourcePaths) {
+        richSourcePaths.emplace_back(path);
+    }
+    Concatenate(richSourcePaths, destinationPath, options);
+}
+
+////////////////////////////////////////////////////////////////////////////////
+
+} // namespace NYT