--- a/CMakeLists.txt	2023-02-01 23:55:18.171758209 +0100
+++ b/CMakeLists.txt	2023-02-02 19:32:16.574426531 +0100
@@ -23,25 +23,11 @@
     set (VCFEVAL_AVAILABLE 0)
 endif()
 
-execute_process(
-    COMMAND ${CMAKE_SOURCE_DIR}/external/make_dependencies.sh
-    WORKING_DIRECTORY ${CMAKE_BINARY_DIR}
-    RESULT_VARIABLE EXTERNAL_SUCCESS)
 
-if(NOT "${EXTERNAL_SUCCESS}" STREQUAL "0")
-    message(FATAL_ERROR "Building external dependencies has failed")
-endif()
-
-set(Boost_USE_STATIC_LIBS        ON)  # only find static libs
 set(Boost_USE_MULTITHREADED      ON)
-set(Boost_USE_STATIC_RUNTIME     ON)
 
 # un-break library finding
-set(Boost_NO_BOOST_CMAKE         ON)
-set(Boost_NO_SYSTEM_PATHS        ON)
 
-set(BOOST_ROOT ${CMAKE_BINARY_DIR})
-message("Using our own Boost, which was built at ${HAPLOTYPES_SOURCE_DIR}/external/boost_install")
 
 find_package(Boost 1.55.0 COMPONENTS thread iostreams regex unit_test_framework filesystem system program_options REQUIRED)
 include_directories(${Boost_INCLUDE_DIRS})
@@ -51,7 +51,8 @@
 link_directories (${CMAKE_BINARY_DIR}/lib)
 
 # make sure we use the bundled zlib version
-set(ZLIB_LIBRARIES ${CMAKE_BINARY_DIR}/lib/libz.a)
+# Additional flags for nix, found by trial and error
+set(ZLIB_LIBRARIES -lz -lbz2 -lcurl -lcrypto -llzma)
 
 include_directories (${HAPLOTYPES_SOURCE_DIR}/external/klib)
 include_directories (${HAPLOTYPES_SOURCE_DIR}/external/intervaltree)
@@ -84,11 +86,6 @@
                         ${CMAKE_THREAD_LIBS_INIT})
 
 
-execute_process(COMMAND git describe --tags --always
-    OUTPUT_VARIABLE HAPLOTYPES_VERSION
-    WORKING_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}"
-    OUTPUT_STRIP_TRAILING_WHITESPACE
-)
 
 configure_file("${CMAKE_CURRENT_SOURCE_DIR}/src/c++/include/Version.hh.in"
                "${CMAKE_BINARY_DIR}/include/Version.hh")