[PATCH] newlib: separate out libg from libc

Make this a separate target from libc so that we can migrate libc over
to automake more easily.  Having it integrated into the libc target is
difficult to handle when using automake rules which expect a one-to-one
mapping between names & inputs.
---
 newlib/Makefile.am | 13 +++++++++----
 newlib/Makefile.in | 21 +++++++++++----------
 2 files changed, 20 insertions(+), 14 deletions(-)

diff --git a/newlib/Makefile.am b/newlib/Makefile.am
index 6d3b60b330b0..a0f76865e640 100644
--- a/newlib/Makefile.am
+++ b/newlib/Makefile.am
@@ -4,6 +4,7 @@ AUTOMAKE_OPTIONS = dejagnu
 ACLOCAL_AMFLAGS = -I . -I .. -I ../config
 
 # Variables that will accumulate in subdirs.
+CLEANFILES =
 PHONY =
 SUFFIXES =
 info_TEXINFOS =
@@ -70,6 +71,7 @@ noinst_DATA += stmp-targ-include
 
 toollib_LIBRARIES = libm.a \
 	libc.a
+noinst_DATA += libg.a
 if HAVE_MULTISUBDIR
 BUILD_MULTISUBDIR = $(builddir)$(MULTISUBDIR)
 if HAVE_CRT0
@@ -80,6 +82,8 @@ endif
 
 toollib_DATA = $(CRT0) $(CRT1)
 
+CLEANFILES += libg.a
+
 # The functions ldexp, frexp and modf are traditionally supplied in
 # both libc.a and libm.a.  We build them in libm.a and copy them over,
 # along with some required supporting routines.
@@ -99,18 +103,20 @@ MATHOBJS_IN_LIBC = \
 	$(lpfx)s_copysign.o $(lpfx)sf_copysign.o
 
 libc.a: libc/libc.a libm.a
-	rm -rf libc.a libg.a tmp
+	rm -rf libc.a tmp
 	mkdir tmp
 	cd tmp; \
 	 $(AR) x ../libm.a $(MATHOBJS_IN_LIBC) ; \
 	 $(AR) x ../libc/libc.a ; \
 	 $(AR) $(AR_FLAGS) ../$@ *.o
 	$(RANLIB) libc.a
-	ln libc.a libg.a >/dev/null 2>/dev/null || cp libc.a libg.a
 	rm -rf tmp
 
 libc/libc.a: ; @true
 
+libg.a: libc.a
+	ln libc.a libg.a >/dev/null 2>/dev/null || cp libc.a libg.a
+
 libm.a: libm/libm.a
 	rm -f $@
 	ln $< $@ >/dev/null 2>/dev/null || cp $< $@
@@ -247,13 +253,12 @@ stmp-targ-include: config.status
 	$(MAKE) targ-include/newlib.h
 	touch $@
 
-CLEANFILES = stmp-targ-include
+CLEANFILES += stmp-targ-include
 
 ## We hook install-multi because this Makefile doesn't have any exec targets,
 ## only data targets.  If that ever changes, this should be removed and the
 ## install-exec-local in ../multilib.am will kick in.
 install-data-local: install-toollibLIBRARIES install-multi
-	rm -f $(DESTDIR)$(toollibdir)/libg.a
 	ln $(DESTDIR)$(toollibdir)/libc.a $(DESTDIR)$(toollibdir)/libg.a >/dev/null 2>/dev/null || cp $(DESTDIR)$(toollibdir)/libc.a $(DESTDIR)$(toollibdir)/libg.a
 	-if [ -z "$(MULTISUBDIR)" ]; then \
 	  $(mkinstalldirs) $(DESTDIR)$(tooldir)/include; \
-- 
2.34.1