Add INSTALL_OCAMLLIB parameter for allowing ocaml install to a user
defined path. If not defined, fallback to `ocamlc -where`.

Signed-off-by: Antonio Caggiano <quic_acagg...@quicinc.com>
---
 m4/ocaml.m4       |  3 +++
 ocaml/Makefile.am | 14 +++++++-------
 2 files changed, 10 insertions(+), 7 deletions(-)

diff --git a/m4/ocaml.m4 b/m4/ocaml.m4
index fddd6a0c2..91896f386 100644
--- a/m4/ocaml.m4
+++ b/m4/ocaml.m4
@@ -17,6 +17,9 @@ AC_DEFUN([AC_PROG_OCAML],
      OCAMLVERSION=`$OCAMLC -v | sed -n -e 's|.*version* *\(.*\)$|\1|p'`
      AC_MSG_RESULT([OCaml version is $OCAMLVERSION])
      OCAMLLIB=`$OCAMLC -where 2>/dev/null || $OCAMLC -v|tail -1|cut -d ' ' -f 
4`
+     if test "x$INSTALL_OCAMLLIB" = "x"; then
+        INSTALL_OCAMLLIB=$OCAMLLIB
+     fi
      AC_MSG_RESULT([OCaml library path is $OCAMLLIB])
 
      AC_SUBST([OCAMLVERSION])
diff --git a/ocaml/Makefile.am b/ocaml/Makefile.am
index 63713ee68..f7621a8fa 100644
--- a/ocaml/Makefile.am
+++ b/ocaml/Makefile.am
@@ -185,16 +185,16 @@ data_hook_files += *.cmx *.cmxa
 endif
 
 install-data-hook:
-       mkdir -p $(DESTDIR)$(OCAMLLIB)
-       mkdir -p $(DESTDIR)$(OCAMLLIB)/stublibs
-       rm -rf $(DESTDIR)$(OCAMLLIB)/guestfs
-       rm -rf $(DESTDIR)$(OCAMLLIB)/stublibs/dllmlguestfs.so*
+       mkdir -p $(DESTDIR)$(INSTALL_OCAMLLIB)
+       mkdir -p $(DESTDIR)$(INSTALL_OCAMLLIB)/stublibs
+       rm -rf $(DESTDIR)$(INSTALL_OCAMLLIB)/guestfs
+       rm -rf $(DESTDIR)$(INSTALL_OCAMLLIB)/stublibs/dllmlguestfs.so*
        $(OCAMLFIND) install \
-         -ldconf ignore -destdir $(DESTDIR)$(OCAMLLIB) \
+         -ldconf ignore -destdir $(DESTDIR)$(INSTALL_OCAMLLIB) \
          guestfs \
          $(data_hook_files)
-       rm -f $(DESTDIR)$(OCAMLLIB)/guestfs/bindtests.*
-       rm $(DESTDIR)$(OCAMLLIB)/guestfs/libguestfsocaml.a
+       rm -f $(DESTDIR)$(INSTALL_OCAMLLIB)/guestfs/bindtests.*
+       rm $(DESTDIR)$(INSTALL_OCAMLLIB)/guestfs/libguestfsocaml.a
 
 CLEANFILES += $(noinst_DATA) $(check_DATA)
 
-- 
2.45.1
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