1 files changed, 43 insertions, 0 deletions
diff --git a/newlib/doc/Makefile.inc b/newlib/doc/Makefile.inc
new file mode 100644
index 000000000..de1dd1f2b
--- /dev/null
+++ b/newlib/doc/Makefile.inc
@@ -0,0 +1,43 @@
+MKDOC = doc/makedoc$(EXEEXT_FOR_BUILD)
+
+# We can't use noinst_PROGRAMS, because automake will add $(EXEEXT).
+noinst_DATA += $(MKDOC)
+
+# We don't use CFLAGS with CC_FOR_BUILD because here CFLAGS will
+# actually be CFLAGS_FOR_TARGET, and in some cases that will include
+# -Os, which CC_FOR_BUILD may not recognize.
+
+$(MKDOC): doc/makedoc.o
+	$(CC_FOR_BUILD) $(CFLAGS_FOR_BUILD) $(LDFLAGS_FOR_BUILD) -o $@ $<
+
+doc/makedoc.o: doc/makedoc.c
+	$(MKDIR_P) doc
+	$(CC_FOR_BUILD) -g $(CFLAGS_FOR_BUILD) -o $@ -c $<
+
+man-cache:
+	${srcdir}/doc/makedocbook.py --cache
+
+PHONY += man-cache
+
+#
+# Subdir documentation rules.
+#
+
+SUFFIXES += .def
+
+CHEW = $(MKDOC) -f $(srcdir)/%D%/doc.str
+
+.c.def:
+	$(AM_V_GEN)$(CHEW) < $< > $*.def || ( rm $*.def && false )
+
+SUFFIXES += .xml
+
+DOCBOOK_CHEW = ${top_srcdir}/%D%/makedocbook.py
+
+.c.xml:
+	$(AM_V_GEN)$(DOCBOOK_CHEW) < $< > $*.xml || ( rm $*.xml && false )
+
+# We can't use .tex.xml rule here as it'll conflict with .c.xml when the chapter
+# name (e.g. "stdio.xml") matches a source file name (e.g. "stdio.c").  We've
+# been flattening chapters into the main library dir (e.g. libc/) to avoid that.
+TEXI2DOCBOOK = $(top_srcdir)/%D%/chapter-texi2docbook.py