diff -ruaN madlib-1.17.0/src/CMakeLists.txt my_madlib-1.17.0/src/CMakeLists.txt
--- madlib-1.17.0/src/CMakeLists.txt	2020-04-03 22:39:11.000000000 +0300
+++ my_madlib-1.17.0/src/CMakeLists.txt	2024-04-19 19:44:46.590279591 +0300
@@ -41,6 +41,8 @@
 set(BOOST_TAR "boost_${_BOOST_TAR_VERSION_UNDERSCORES}.tar.gz")
 set(BOOST_URL "${SOURCEFORGE_BASE_URL}/boost/files/${BOOST_TAR}")
 
+set(BOOST_TAR_SOURCE ${CMAKE_CURRENT_SOURCE_DIR}/downloads/source_archive_for_madlib/boost_1_61_0.tar.gz)
+
 if(NOT BOOST_TAR_SOURCE)
     find_file(BOOST_TAR_SOURCE ${BOOST_TAR}
         PATHS ${MAD_THIRD_PARTY}/downloads)
@@ -57,9 +59,11 @@
 
 set(EIGEN_VERSION "branches/3.2")
 set(EIGEN_URL "${EIGEN_BASE_URL}/${EIGEN_VERSION}.tar.gz")
-set(EIGEN_TAR_MD5 13bc1043270d8f4397339c0cb0b62938)
+set(EIGEN_TAR_MD5 f0cf9b6f44018b884f0a59d2b72f978f)
 set(EIGEN_MPL2_ONLY TRUE)
 
+set(EIGEN_TAR_SOURCE ${CMAKE_CURRENT_SOURCE_DIR}/downloads/source_archive_for_madlib/eigen-branches-3.2.tar.gz)
+
 if(NOT EIGEN_TAR_SOURCE)
     STRING(REGEX REPLACE "/" "-" EIGEN_VERSION_NO_SLASH ${EIGEN_VERSION})
     set(EIGEN_TAR "eigen-${EIGEN_VERSION_NO_SLASH}.tar.gz")   # eigen-branches-3.2.tar.gz
@@ -82,6 +86,9 @@
 set(PYXB_TAR "PyXB-${PYXB_VERSION}.tar.gz")
 set(PYXB_URL "${SOURCEFORGE_BASE_URL}/pyxb/files/${PYXB_TAR}")
 
+set(PYXB_TAR_SOURCE ${CMAKE_CURRENT_SOURCE_DIR}/downloads/source_archive_for_madlib/PyXB-1.2.6.tar.gz)
+
+
 if(NOT PYXB_TAR_SOURCE)
     find_file(PYXB_TAR_SOURCE ${PYXB_TAR}
         PATHS ${MAD_THIRD_PARTY}/downloads)
@@ -106,31 +113,31 @@
 
 # -- Third-party dependencies: Find or download Boost --------------------------
 
-find_package(Boost 1.47)
-if(Boost_FOUND)
-    # We use BOOST_ASSERT_MSG, which only exists in Boost 1.47 and later.
-    # Unfortunately, the FindBoost module seems to be broken with respect to
-    # version checking, so we will set Boost_FOUND to FALSE if the version is
-    # too old.
-    if(Boost_VERSION LESS 104600)
-        message(STATUS "No sufficiently recent version (>= 1.47) of Boost was found. Will download.")
-        set(Boost_FOUND FALSE)
-    endif(Boost_VERSION LESS 104600)
-
-    # BOOST 1.65.0 removed the TR1 library which is required by MADlib till
-    # C++11 is completely supported. Hence, we force download of a compatible
-    # version if existing Boost is 1.65 or greater. FIXME: This should be
-    # removed when TR1 dependency is removed.
-    if(NOT Boost_VERSION LESS 106500)
-        message(STATUS
-                "Incompatible Boost version (>= 1.65) found. Will download a compatible version.")
-        set(Boost_FOUND FALSE)
-    endif(NOT Boost_VERSION LESS 106500)
-endif(Boost_FOUND)
-
-if(Boost_FOUND)
-    include_directories(${Boost_INCLUDE_DIRS})
-else(Boost_FOUND)
+#find_package(Boost 1.47)
+#if(Boost_FOUND)
+#    # We use BOOST_ASSERT_MSG, which only exists in Boost 1.47 and later.
+#    # Unfortunately, the FindBoost module seems to be broken with respect to
+#    # version checking, so we will set Boost_FOUND to FALSE if the version is
+#    # too old.
+#    if(Boost_VERSION LESS 104600)
+#        message(STATUS "No sufficiently recent version (>= 1.47) of Boost was found. Will download.")
+#        set(Boost_FOUND FALSE)
+#    endif(Boost_VERSION LESS 104600)
+#
+#    # BOOST 1.65.0 removed the TR1 library which is required by MADlib till
+#    # C++11 is completely supported. Hence, we force download of a compatible
+#    # version if existing Boost is 1.65 or greater. FIXME: This should be
+#    # removed when TR1 dependency is removed.
+#    if(NOT Boost_VERSION LESS 106500)
+#        message(STATUS
+#                "Incompatible Boost version (>= 1.65) found. Will download a compatible version.")
+#        set(Boost_FOUND FALSE)
+#    endif(NOT Boost_VERSION LESS 106500)
+#endif(Boost_FOUND)
+#
+#if(Boost_FOUND)
+#    include_directories(${Boost_INCLUDE_DIRS})
+#else(Boost_FOUND)
     ExternalProject_Add(EP_boost
         PREFIX ${MAD_THIRD_PARTY}
         DOWNLOAD_DIR ${MAD_THIRD_PARTY}/downloads
@@ -142,7 +149,7 @@
         BINARY_DIR ${MAD_THIRD_PARTY}/src/EP_boost
     )
     include_directories(BEFORE SYSTEM ${MAD_THIRD_PARTY}/src/EP_boost)
-endif(Boost_FOUND)
+#endif(Boost_FOUND)
 
 
 # -- Third-party dependencies: Download the C++ linear-algebra library Eigen ---