[libgdata] build: Add enumeration files to BUILT_SOURCES

[Emmanuele Bassi <ebassi src gnome org>]

commit 109d5df8e5a7033e082bfb2aec8763c20788139e
Author: Emmanuele Bassi <ebassi gnome org>
Date:   Mon Jul 17 17:13:37 2017 +0100

    build: Add enumeration files to BUILT_SOURCES
    
    These files are generated, but since dependencies are a by-product of
    compilation, Automake won't be able to generate the dependencies before
    the files that include the headers are built.
    
    For more information:
    
    https://www.gnu.org/software/automake/manual/html_node/Sources.html

 Makefile.am |    9 +++++++--
 1 files changed, 7 insertions(+), 2 deletions(-)
---
diff --git a/Makefile.am b/Makefile.am
index 4453f7b..0e4cf63 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -5,6 +5,10 @@ ACLOCAL_AMFLAGS = --install -I m4 ${ACLOCAL_FLAGS}
 DISTCHECK_CONFIGURE_FLAGS =
 MAINTAINERCLEANFILES =
 
+CLEANFILES =
+EXTRA_DIST =
+BUILT_SOURCES =
+
 # Marshalling
 GDATA_MARSHAL_FILES = \
        gdata/gdata-marshal.c   \
@@ -15,8 +19,8 @@ gdata/gdata-marshal.h: $(top_srcdir)/gdata/gdata-marshal.list
 gdata/gdata-marshal.c: $(top_srcdir)/gdata/gdata-marshal.list gdata/gdata-marshal.h
        $(AM_V_GEN) $(GLIB_GENMARSHAL) --prefix=gdata_marshal --header --body $< > $@
 
-EXTRA_DIST = $(top_srcdir)/gdata/gdata-marshal.list
-CLEANFILES = $(GDATA_MARSHAL_FILES)
+EXTRA_DIST += $(top_srcdir)/gdata/gdata-marshal.list
+CLEANFILES += $(GDATA_MARSHAL_FILES)
 
 # Enums
 GDATA_ENUM_FILES = \
@@ -166,6 +170,7 @@ gdata/services/youtube/gdata-youtube-enums.c: $(gdata_youtube_headers) Makefile
        && sed "s/g_data_you_tube/gdata_youtube/" gdata/services/youtube/gdata-youtube-enums.c.tmp > 
gdata/services/youtube/gdata-youtube-enums.c \
        && rm -f gdata/services/youtube/gdata-youtube-enums.c.tmp)
 
+BUILT_SOURCES += $(GDATA_ENUM_FILES)
 CLEANFILES += $(GDATA_ENUM_FILES)
 
 # libgdata library