Add FreeTDS 1.5.21 to debian13

Build the static client libraries (libsybdb, libct) from the official
release tarball with OpenSSL; ODBC, the command-line apps, server and
pool are disabled.

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>

debian13/Dockerfile

@@ -829,6 +829,18 @@ RUN --mount=type=bind,from=sources,source=sqlite-autoconf-3540100.tar.gz,target=
     && cd .. \
     && rm -rf src
 
+RUN --mount=type=bind,from=sources,source=freetds-1.5.21.tar.gz,target=/tmp/freetds.tar.gz \
+    mkdir src \
+    && tar --extract --gzip --file=/tmp/freetds.tar.gz --directory=src --strip-components=1 \
+    && cd src \
+    && CFLAGS="-O2 -fPIC" ./configure --prefix=${PREFIX} --libdir=${PREFIX}/lib/$(gcc -dumpmachine) \
+        --disable-shared --enable-static --with-openssl=${PREFIX} \
+        --disable-odbc --disable-apps --disable-server --disable-pool --disable-libiconv \
+    && make --jobs="$(nproc)" \
+    && make install \
+    && cd .. \
+    && rm -rf src
+
 COPY source-stack.cmake.in /tmp/
 RUN mkdir -p ${PREFIX}/share/source-stack \
     && sed "s|@MULTIARCH@|$(gcc -dumpmachine)|" /tmp/source-stack.cmake.in \