path: root/glib-gen.mak

# these are the variables your Makefile.am should set
# the example is based on the colorbalance interface

#glib_enum_headers=$(colorbalance_headers)
#glib_enum_output=gst-color-balance-enumtypes
#glib_enum_define=GST_COLOR_BALANCE
#glib_enum_prefix=gst_color_balance

# these are all the rules generating the relevant files
%-marshal.h: %-marshal.list
    $(AM_V_GEN) glib-genmarshal --header --prefix=$(glib_enum_prefix)_marshal $^ > $*-marshal.h.tmp && \
    mv $*-marshal.h.tmp $*-marshal.h

%-marshal.c: %-marshal.list
    $(AM_V_GEN) echo "#include \"$*-marshal.h\"" >> $*-marshal.c.tmp && \
    glib-genmarshal --body --prefix=$(glib_enum_prefix)_marshal $^ >> $*-marshal.c.tmp && \
    mv $*-marshal.c.tmp $*-marshal.c

$(glib_enum_output).h: $(glib_enum_headers)
    $(AM_V_GEN) glib-mkenums \
    --fhead "#ifndef __$(glib_enum_define)_ENUM_TYPES_H__\n#define __$(glib_enum_define)_ENUM_TYPES_H__\n\n#include <glib-object.h>\n\nG_BEGIN_DECLS\n" \
    --fprod "/* enumerations from \"@filename@\" */\n" \
    --vhead "GType @enum_name@_get_type (void);\n#define E_TYPE_@ENUMSHORT@ (@enum_name@_get_type())\n"         \
    --ftail "G_END_DECLS\n\n#endif /* __$(glib_enum_define)_ENUM_TYPES_H__ */" \
    $^ > $@

$(glib_enum_output).c: $(glib_enum_headers)
    @if test "x$(glib_enum_headers)" == "x"; then echo "ERROR: glib_enum_headers is empty, please fix Makefile"; exit 1; fi
    $(AM_V_GEN) glib-mkenums \
    --fhead "#include <$<>\n#include \"$(glib_enum_output).h\"" \
    --fprod "\n/* enumerations from \"@filename@\" */" \
    --vhead "GType\n@enum_name@_get_type (void)\n{\n  static GType etype = 0;\n  if (etype == 0) {\n    static const G@Type@Value values[] = {"     \
    --vprod "      { @VALUENAME@, \"@VALUENAME@\", \"@valuenick@\" }," \
    --vtail "      { 0, NULL, NULL }\n    };\n    etype = g_@type@_register_static (\"@EnumName@\", values);\n  }\n  return etype;\n}\n" \
    $^ > $@

# a hack rule to make sure .Plo files exist because they get include'd
# from Makefile's
.deps/%-marshal.Plo:
    touch $@

.deps/$(glib_enum_output).Plo:
    touch $@