diff -up plplot-plplot-a9d9500c732d4eae47ed7fca687e02ec8a48d02c/bindings/ocaml/CMakeLists.txt.ocaml plplot-plplot-a9d9500c732d4eae47ed7fca687e02ec8a48d02c/bindings/ocaml/CMakeLists.txt
--- plplot-plplot-a9d9500c732d4eae47ed7fca687e02ec8a48d02c/bindings/ocaml/CMakeLists.txt.ocaml	2018-09-19 17:38:53.000000000 -0600
+++ plplot-plplot-a9d9500c732d4eae47ed7fca687e02ec8a48d02c/bindings/ocaml/CMakeLists.txt	2018-09-19 20:32:29.884146436 -0600
@@ -326,11 +326,11 @@ if(ENABLE_ocaml)
     ${CMAKE_CURRENT_BINARY_DIR}/plplot.cmo
     )
 
-  # ocamlc -a -custom builds a *.cma library from *.cmo
+  # ocamlc -a builds a *.cma library from *.cmo
   add_custom_command(
     OUTPUT
     ${CMAKE_CURRENT_BINARY_DIR}/plplot.cma
-    COMMAND ${OCAMLC} -a -custom -o plplot.cma plplot_core.cmo plplot.cmo -dllib -lplplot_stubs -ccopt -L. -cclib -lplplot_stubs -ccopt -L${CAMLIDL_LIB_DIR} -cclib -lcamlidl ${ocaml_LIBRARIES_FLAGS}
+    COMMAND ${OCAMLC} -a -o plplot.cma plplot_core.cmo plplot.cmo -dllib -lplplot_stubs -ccopt -L. -cclib -lplplot_stubs -ccopt -L${CAMLIDL_LIB_DIR} -cclib -lcamlidl ${ocaml_LIBRARIES_FLAGS}
     DEPENDS
     ${CMAKE_CURRENT_BINARY_DIR}/plplot_core.cmo
     ${CMAKE_CURRENT_BINARY_DIR}/plplot.cmo
@@ -341,7 +341,7 @@ if(ENABLE_ocaml)
   add_custom_command(
     OUTPUT
     ${CMAKE_CURRENT_BINARY_DIR}/installed_plplot.cma
-    COMMAND ${OCAMLC} -a -custom -o installed_plplot.cma plplot_core.cmo plplot.cmo -dllib -lplplot_stubs -ccopt -L. -cclib -lplplot_stubs -ccopt -L${CAMLIDL_LIB_DIR} -cclib -lcamlidl ${installed_ocaml_LIBRARIES_FLAGS}
+    COMMAND ${OCAMLC} -a -o installed_plplot.cma plplot_core.cmo plplot.cmo -dllib -lplplot_stubs -ccopt -L. -cclib -lplplot_stubs -ccopt -L${CAMLIDL_LIB_DIR} -cclib -lcamlidl ${installed_ocaml_LIBRARIES_FLAGS}
     DEPENDS
     ${CMAKE_CURRENT_BINARY_DIR}/plplot_core.cmo
     ${CMAKE_CURRENT_BINARY_DIR}/plplot.cmo
diff -up plplot-plplot-a9d9500c732d4eae47ed7fca687e02ec8a48d02c/bindings/ocaml/plcairo/CMakeLists.txt.ocaml plplot-plplot-a9d9500c732d4eae47ed7fca687e02ec8a48d02c/bindings/ocaml/plcairo/CMakeLists.txt
--- plplot-plplot-a9d9500c732d4eae47ed7fca687e02ec8a48d02c/bindings/ocaml/plcairo/CMakeLists.txt.ocaml	2018-09-19 20:32:29.884146436 -0600
+++ plplot-plplot-a9d9500c732d4eae47ed7fca687e02ec8a48d02c/bindings/ocaml/plcairo/CMakeLists.txt	2018-09-19 20:33:18.389750080 -0600
@@ -91,11 +91,11 @@ if(ENABLE_ocaml AND OCAML_HAS_CAIRO)
     ${CMAKE_CURRENT_BINARY_DIR}/plcairo.ml
     )
 
-  # ocamlc -a -custom builds a *.cma library from *.cmo
+  # ocamlc -a builds a *.cma library from *.cmo
   add_custom_command(
     OUTPUT
     ${CMAKE_CURRENT_BINARY_DIR}/plcairo.cma
-    COMMAND ${OCAMLC} -a -custom -o ${CMAKE_CURRENT_BINARY_DIR}/plcairo.cma -I ${PATH_TO_PLPLOT_CMA} plplot.cma ${CMAKE_CURRENT_BINARY_DIR}/plcairo.cmo -dllib -lplcairo_stubs -ccopt -L${CMAKE_CURRENT_BINARY_DIR} -cclib -lplcairo_stubs -ccopt -L${CMAKE_BINARY_DIR}/src -cclib -l${WRITEABLE_TARGET}plplot -dllpath ${CMAKE_BINARY_DIR}/src
+    COMMAND ${OCAMLC} -a -o ${CMAKE_CURRENT_BINARY_DIR}/plcairo.cma -I ${PATH_TO_PLPLOT_CMA} plplot.cma ${CMAKE_CURRENT_BINARY_DIR}/plcairo.cmo -dllib -lplcairo_stubs -ccopt -L${CMAKE_CURRENT_BINARY_DIR} -cclib -lplcairo_stubs -ccopt -L${CMAKE_BINARY_DIR}/src -cclib -l${WRITEABLE_TARGET}plplot -dllpath ${CMAKE_BINARY_DIR}/src
     DEPENDS
     ${CMAKE_CURRENT_BINARY_DIR}/plcairo.cmo
     WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}