[Libguestfs] enable build for ocaml bytecode

[Olaf Hering]

This is a first attempt to build libguestfs with just a ocaml bytecode
compiler. The three tools written in ocaml will be build only when an
ocamlopt compiler is available.

Olaf

---
 Makefile.am          |    5 ++++-
 configure.ac         |    2 ++
 ocaml/Makefile.am    |   20 +++++++++++++++++---
 resize/Makefile.am   |    2 +-
 sparsify/Makefile.am |    2 +-
 sysprep/Makefile.am  |    2 +-
 6 files changed, 26 insertions(+), 7 deletions(-)

Index: libguestfs-1.20.1/Makefile.am
===================================================================
--- libguestfs-1.20.1.orig/Makefile.am
+++ libguestfs-1.20.1/Makefile.am
@@ -74,7 +74,10 @@ if HAVE_PERL
 SUBDIRS += perl perl/examples
 endif
 if HAVE_OCAML
-SUBDIRS += ocaml ocaml/examples
+SUBDIRS += ocaml
+endif
+if HAVE_OCAMLOPT
+SUBDIRS += ocaml/examples
 endif
 if HAVE_PYTHON
 SUBDIRS += python python/examples
Index: libguestfs-1.20.1/configure.ac
===================================================================
--- libguestfs-1.20.1.orig/configure.ac
+++ libguestfs-1.20.1/configure.ac
@@ -865,6 +865,8 @@ AS_IF([test "x$enable_ocaml" != "xno"],
         ])
 AM_CONDITIONAL([HAVE_OCAML],
                [test "x$OCAMLC" != "xno" && test "x$OCAMLFIND" != "xno"])
+AM_CONDITIONAL([HAVE_OCAMLOPT],
+               [test "x$OCAMLOPT" != "xno" && test "x$OCAMLC" != "xno" && test "x$OCAMLFIND" != "xno"])
 AM_CONDITIONAL([HAVE_OCAMLDOC],
                [test "x$OCAMLDOC" != "xno"])
 
Index: libguestfs-1.20.1/ocaml/Makefile.am
===================================================================
--- libguestfs-1.20.1.orig/ocaml/Makefile.am
+++ libguestfs-1.20.1/ocaml/Makefile.am
@@ -43,10 +43,20 @@ CLEANFILES += t/*.cmi t/*.cmo t/*.cmx t/
 
 if HAVE_OCAML
 
+DATA_HOOK_FILES = META *.so *.a *.cma \
+	  *.cmi $(srcdir)/*.mli
+if HAVE_OCAMLOPT
+DATA_HOOK_FILES += *.cmx *.cmxa
+endif
+
 OCAMLCFLAGS = -g -warn-error CDEFLMPSUVYZX
 OCAMLOPTFLAGS = $(OCAMLCFLAGS)
 
-noinst_DATA = mlguestfs.cma mlguestfs.cmxa META
+noinst_DATA = mlguestfs.cma
+if HAVE_OCAMLOPT
+noinst_DATA += mlguestfs.cmxa
+endif
+noinst_DATA += META
 
 # Build the C part into a library, so that automake handles the C
 # compilation step for us.  Note that we don't directly use this
@@ -101,9 +111,13 @@ TESTS = run-bindtests \
 		$(patsubst %,%.opt,$(test_progs)))
 
 noinst_DATA += \
-	bindtests.bc bindtests.opt \
+	bindtests.bc
+if HAVE_OCAMLOPT
+noinst_DATA += \
+	bindtests.opt \
 	$(test_progs:%=%.bc) \
 	$(test_progs:%=%.opt)
+endif
 
 bindtests.bc: bindtests.cmo mlguestfs.cma
 	mkdir -p t
@@ -217,7 +231,7 @@ install-data-hook:
 	$(OCAMLFIND) install \
 	  -ldconf ignore -destdir $(DESTDIR)$(OCAMLLIB) \
 	  guestfs \
-	  META *.so *.a *.cma *.cmx *.cmxa *.cmi $(srcdir)/*.mli
+	  $(DATA_HOOK_FILES)
 	rm $(DESTDIR)$(OCAMLLIB)/guestfs/bindtests.*
 	rm $(DESTDIR)$(OCAMLLIB)/guestfs/libguestfsocaml.a
 
Index: libguestfs-1.20.1/resize/Makefile.am
===================================================================
--- libguestfs-1.20.1.orig/resize/Makefile.am
+++ libguestfs-1.20.1/resize/Makefile.am
@@ -40,7 +40,7 @@ SOURCES = \
 	resize_utils.ml \
 	resize_utils_tests.ml
 
-if HAVE_OCAML
+if HAVE_OCAMLOPT
 
 # Note this list must be in dependency order.
 OBJECTS = \
Index: libguestfs-1.20.1/sparsify/Makefile.am
===================================================================
--- libguestfs-1.20.1.orig/sparsify/Makefile.am
+++ libguestfs-1.20.1/sparsify/Makefile.am
@@ -36,7 +36,7 @@ SOURCES = \
 	sparsify_gettext.ml \
 	sparsify_utils.ml
 
-if HAVE_OCAML
+if HAVE_OCAMLOPT
 
 # Note this list must be in dependency order.
 OBJECTS = \
Index: libguestfs-1.20.1/sysprep/Makefile.am
===================================================================
--- libguestfs-1.20.1.orig/sysprep/Makefile.am
+++ libguestfs-1.20.1/sysprep/Makefile.am
@@ -86,7 +86,7 @@ SOURCES = \
 	utils.ml \
 	utils.mli
 
-if HAVE_OCAML
+if HAVE_OCAMLOPT
 
 # Note this list must be in dependency order.
 OBJECTS = \