disable -Wunused-variable when building SWIG-generated OCaml bindings

There is no value to warning about things like this in generated code, which are
just artifacts of how SWIG code generation works. Removes 112 compiler warnings.

diff --git a/tclpkg/gv/Makefile.am b/tclpkg/gv/Makefile.am
index b6cb60eae42fd7cc3cc9e499a66fa6c65e5a05d2..baa968492e2f6b6628753859d6fe37955f1de6dc 100644 (file)
--- a/tclpkg/gv/Makefile.am
+++ b/tclpkg/gv/Makefile.am
@@ -162,7 +162,8 @@ libgv_ocaml_la_CPPFLAGS = \
        $(OCAML_INCLUDES) \
        -Dint64=int64_t \
        -fpermissive
-libgv_ocaml_la_CXXFLAGS = $(AM_CXXFLAGS) -Wno-unused-function
+libgv_ocaml_la_CXXFLAGS = $(AM_CXXFLAGS) -Wno-unused-function \
+       -Wno-unused-variable
 gv.ml gv.mli: gv_ocaml.cpp
 gv_ocaml.cpp: gv.i
        $(SWIG) -c++ -ocaml -o gv_ocaml.cpp $(srcdir)/gv.i