Add FreeTDS, libffi and Python to rocky9

Same pinned versions and options as debian13, installed under lib64
(Python keeps its standard library and lib-dynload in lib/python3.14).
Note in INCLUDED_LIBRARIES.md that alpine3.24 does not build them yet.

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

rocky9/Dockerfile

@@ -831,6 +831,40 @@ RUN --mount=type=bind,from=sources,source=wireguard-tools-v1.0.20260223.tar.xz,t
     && make --directory=src/src install PREFIX=${PREFIX} WITH_WGQUICK=yes WITH_SYSTEMDUNITS=no WITH_BASHCOMPLETION=no \
     && 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}/lib64 \
+        --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
+
+RUN --mount=type=bind,from=sources,source=libffi-3.8.0.tar.gz,target=/tmp/libffi.tar.gz \
+    mkdir src \
+    && tar --extract --gzip --file=/tmp/libffi.tar.gz --directory=src --strip-components=1 \
+    && cd src \
+    && CFLAGS="-O2 -fPIC" ./configure --prefix=${PREFIX} --libdir=${PREFIX}/lib64 --disable-shared --enable-static --disable-docs --disable-multi-os-directory \
+    && make --jobs="$(nproc)" \
+    && make install \
+    && cd .. \
+    && rm -rf src
+
+RUN --mount=type=bind,from=sources,source=Python-3.14.10.tgz,target=/tmp/python.tgz \
+    mkdir src \
+    && tar --extract --gzip --file=/tmp/python.tgz --directory=src --strip-components=1 \
+    && cd src \
+    && ./configure --prefix=${PREFIX} --with-ensurepip=install \
+        LIBSQLITE3_CFLAGS="$(pkg-config --cflags sqlite3)" \
+        LIBSQLITE3_LIBS="$(pkg-config --static --libs sqlite3)" \
+    && make --jobs="$(nproc)" \
+    && make install \
+    && cd .. \
+    && rm -rf src
+
 COPY source-stack.cmake ${PREFIX}/share/source-stack/source-stack.cmake
 
 CMD ["/bin/bash"]