[yelp] Remove LZMA and BZ2 from GTK-Doc if we are compiling without them

[David King <davidk src gnome org>]

commit 695a95c62c15c0d0d2bf4d325760f571e9197132
Author: Gergely Polonkai <gergely polonkai eu>
Date:   Wed Jan 28 12:05:32 2015 +0000

    Remove LZMA and BZ2 from GTK-Doc if we are compiling without them
    
    https://bugzilla.gnome.org/show_bug.cgi?id=737519

 docs/libyelp/Makefile.am |   11 +++++++++++
 1 files changed, 11 insertions(+), 0 deletions(-)
---
diff --git a/docs/libyelp/Makefile.am b/docs/libyelp/Makefile.am
index c1a13ef..f33bff3 100644
--- a/docs/libyelp/Makefile.am
+++ b/docs/libyelp/Makefile.am
@@ -21,6 +21,17 @@ GTKDOC_LIBS =                                        \
 HFILE_GLOB = $(top_srcdir)/libyelp/*.h
 CFILE_GLOB = $(top_srcdir)/libyelp/*.c
 IGNORE_HFILES = yelp-debug.h yelp-types.h
+IGNORE_CFILES =
+
+if !ENABLE_LZMA
+IGNORE_HFILES += $(top_srcdir)/libyelp/yelp-lzma-decompressor.h
+IGNORE_CFILES += $(top_srcdir)/libyelp/yelp-lzma-decompressor.c
+endif
+
+if !ENABLE_BZ2
+IGNORE_HFILES += $(top_srcdir)/libyelp/yelp-bz2-decompressor.h
+IGNORE_CFILES += $(top_srcdir)/libyelp/yelp-bz2-decompressor.c
+endif
 
 MKDB_OPTIONS = --output-format=xml --sgml-mode --name-space=yelp --ignore-files='yelp-debug.c yelp-debug.h 
yelp-types.c yelp-types.h'