Index: geogram/src/lib/geogram/basic/geofile.h
===================================================================
--- geogram.orig/src/lib/geogram/basic/geofile.h
+++ geogram/src/lib/geogram/basic/geofile.h
@@ -44,7 +44,7 @@
 #include <geogram/basic/numeric.h>
 #include <geogram/basic/memory.h>
 #include <geogram/basic/string.h>
-#include <geogram/third_party/zlib/zlib.h>
+#include <zlib.h>
 
 #include <stdexcept>
 #include <fstream>
Index: geogram/src/lib/geogram/CMakeLists.txt
===================================================================
--- geogram.orig/src/lib/geogram/CMakeLists.txt
+++ geogram/src/lib/geogram/CMakeLists.txt
@@ -62,7 +62,7 @@ if(UNIX AND VORPALINE_BUILD_DYNAMIC)
 if (ANDROID)
 target_link_libraries(geogram dl)
 else()
-target_link_libraries(geogram pthread dl lua5.4 triangle)
+target_link_libraries(geogram pthread dl lua5.4 z triangle)
 endif()
 endif()