diff -rupN gmsh-4.0.0-source/CMakeLists.txt gmsh-4.0.0-source-new/CMakeLists.txt
--- gmsh-4.0.0-source/CMakeLists.txt	2018-08-29 10:24:06.362924644 +0200
+++ gmsh-4.0.0-source-new/CMakeLists.txt	2018-08-29 10:24:06.364924644 +0200
@@ -1767,7 +1767,7 @@ endif(ENABLE_BUILD_LIB)
 if(ENABLE_BUILD_SHARED OR ENABLE_BUILD_DYNAMIC)
   install(TARGETS shared DESTINATION ${GMSH_LIB} OPTIONAL)
   # FIXME once we cleanup the installation of the python module
-  install(TARGETS shared DESTINATION ${CMAKE_CURRENT_SOURCE_DIR}/api OPTIONAL)
+#   install(TARGETS shared DESTINATION ${CMAKE_CURRENT_SOURCE_DIR}/api OPTIONAL)
 endif(ENABLE_BUILD_SHARED OR ENABLE_BUILD_DYNAMIC)
 
 if(ENABLE_ONELAB)