[PATCH 3/4] libgloss: merge arc into top-level Makefile

Avoid a recursive make to speed things up a bit.
---
 libgloss/Makefile.am      |   3 +
 libgloss/Makefile.in      | 136 +++++++++++++++++++++++++-------------
 libgloss/arc/Makefile.in  | 122 ----------------------------------
 libgloss/arc/Makefile.inc |  12 ++++
 libgloss/configure        |  19 ++++--
 libgloss/configure.ac     |   5 +-
 6 files changed, 122 insertions(+), 175 deletions(-)
 delete mode 100644 libgloss/arc/Makefile.in
 create mode 100644 libgloss/arc/Makefile.inc

diff --git a/libgloss/Makefile.am b/libgloss/Makefile.am
index 9fed4655a422..f5016dcd4b3e 100644
--- a/libgloss/Makefile.am
+++ b/libgloss/Makefile.am
@@ -63,6 +63,9 @@ endif
 if CONFIG_AARCH64
 include aarch64/Makefile.inc
 endif
+if CONFIG_ARC
+include arc/Makefile.inc
+endif
 if CONFIG_ARM
 include arm/Makefile.inc
 endif
diff --git a/libgloss/arc/Makefile.in b/libgloss/arc/Makefile.in
deleted file mode 100644
index e343dd222863..000000000000
--- a/libgloss/arc/Makefile.in
+++ /dev/null
@@ -1,122 +0,0 @@
-#
-#
-DESTDIR =
-VPATH = @srcdir@ @srcdir@/..
-srcdir = @srcdir@
-objdir = .
-srcroot = $(srcdir)/../..
-objroot = $(objdir)/../..
-mkinstalldirs = $(SHELL) $(srcroot)/mkinstalldirs
-
-prefix = @prefix@
-exec_prefix = @exec_prefix@
-
-host_alias = @host_alias@
-target_alias = @target_alias@
-
-bindir = @bindir@
-libdir = @libdir@
-tooldir = $(exec_prefix)/$(target_alias)
-
-objtype = @objtype@
-
-INSTALL = @INSTALL@
-INSTALL_PROGRAM = @INSTALL_PROGRAM@
-INSTALL_DATA = @INSTALL_DATA@
-
-# Multilib support variables.
-# TOP is used instead of MULTI{BUILD,SRC}TOP.
-MULTIDIRS =
-MULTISUBDIR =
-MULTIDO = true
-MULTICLEAN = true
-
-SHELL =	/bin/sh
-
-CC = @CC@
-
-AS = @AS@
-AR = @AR@
-LD = @LD@
-RANLIB = @RANLIB@
-
-OBJDUMP = `if [ -f ${objroot}/../binutils/objdump ] ; \
-	then echo ${objroot}/../binutils/objdump ; \
-	else t='$(program_transform_name)'; echo objdump | sed -e $$t ; fi`
-OBJCOPY = `if [ -f ${objroot}/../binutils/objcopy ] ; \
-	then echo ${objroot}/../binutils/objcopy ; \
-	else t='$(program_transform_name)'; echo objcopy | sed -e $$t ; fi`
-
-CRT0		= gcrt0.o crt0.o
-CRT0_INSTALL	= install-crt0
-
-NSIM_BSP = libnsim.a
-NSIM_OBJS = \
-	libcfunc.o \
-	nsim-syscalls.o \
-	sbrk.o \
-	mcount.o
-NSIM_INSTALL = install-nsim
-NSIM_SCRIPTS = nsim.specs
-
-NANO_SCRIPTS = nano.specs
-NANO_INSTALL = install-nano
-
-CFLAGS		= -g
-
-# Host specific makefile fragment comes in here.
-@host_makefile_frag@
-
-all: $(CRT0) $(NSIM_BSP)
-
-$(NSIM_BSP): $(NSIM_OBJS)
-	$(AR) $(ARFLAGS) $@ $?
-	$(RANLIB) $@
-
-libcfunc.o: libcfunc.c
-nsim-syscalls.o: nsim-syscalls.c
-sbrk.o: sbrk.c
-mcount.o: mcount.c
-gcrt0.o: gcrt0.S crt0.S
-crt0.o: crt0.S
-
-clean mostlyclean:
-	rm -f *.o *.a
-
-distclean maintainer-clean realclean: clean
-	rm -f Makefile *~
-
-.PHONY: install info install-info clean-info doc dvi
-install: $(CRT0_INSTALL) $(NSIM_INSTALL) $(NANO_INSTALL)
-
-# multilibdir may not exist yet - libgcc for ARC depends on libc, hence
-# newlib/libgloss is built before libgcc. And in parallel build libgloss maybe
-# built and installed before newlib, therefore libgloss has to create target
-# directory.
-
-$(CRT0_INSTALL):
-	$(mkinstalldirs) $(DESTDIR)${tooldir}/lib${MULTISUBDIR}
-	for c in $(CRT0); do \
-	  b=`basename $$c`; \
-	  ${INSTALL_DATA} $$c $(DESTDIR)${tooldir}/lib${MULTISUBDIR}/$$b ;\
-	done
-
-$(NSIM_INSTALL):
-	$(mkinstalldirs) $(DESTDIR)${tooldir}/lib${MULTISUBDIR}
-	$(INSTALL_DATA) $(NSIM_BSP) $(DESTDIR)$(tooldir)/lib$(MULTISUBDIR)/$(NSIM_BSP)
-	for x in $(NSIM_SCRIPTS); do \
-	    $(INSTALL_DATA) $(srcdir)/$$x $(DESTDIR)$(tooldir)/lib$(MULTISUBDIR)/$$x; done
-
-$(NANO_INSTALL):
-	$(mkinstalldirs) $(DESTDIR)${tooldir}/lib${MULTISUBDIR}
-	for x in $(NANO_SCRIPTS); do \
-		$(INSTALL_DATA) $(srcdir)/$$x $(DESTDIR)$(tooldir)/lib$(MULTISUBDIR)/$$x; done
-
-doc:
-info:
-dvi:
-install-info:
-clean-info:
-
-Makefile: Makefile.in ../config.status
-	cd .. && $(SHELL) config.status
diff --git a/libgloss/arc/Makefile.inc b/libgloss/arc/Makefile.inc
new file mode 100644
index 000000000000..fe9cc761045d
--- /dev/null
+++ b/libgloss/arc/Makefile.inc
@@ -0,0 +1,12 @@
+multilibtool_LIBRARIES += %D%/libnsim.a
+%C%_libnsim_a_SOURCES = \
+	%D%/libcfunc.c \
+	%D%/mcount.c \
+	%D%/nsim-syscalls.c \
+	%D%/sbrk.c
+
+multilibtool_DATA += \
+	%D%/crt0.o \
+	%D%/gcrt0.o \
+	%D%/nano.specs \
+	%D%/nsim.specs
diff --git a/libgloss/configure.ac b/libgloss/configure.ac
index 6b0117805570..ef7b57854bd8 100644
--- a/libgloss/configure.ac
+++ b/libgloss/configure.ac
@@ -52,8 +52,7 @@ case "${target}" in
 	config_testsuite=true
 	;;
   arc*-*-*)
-	AC_CONFIG_FILES([arc/Makefile])
-	subdirs="$subdirs arc"
+	config_arc=true
 	;;
   csky*-*-*)
 	AC_CONFIG_FILES([csky/Makefile])
@@ -251,7 +250,7 @@ AC_SUBST(subdirs)
 dnl These subdirs have converted to non-recursive make.  Hopefully someday all
 dnl the ports above will too!
 m4_foreach_w([SUBDIR], [
-  aarch64 arm bfin iq2000 libnosys lm32 riscv wince
+  aarch64 arc arm bfin iq2000 libnosys lm32 riscv wince
 ], [dnl
   AM_CONDITIONAL([CONFIG_]m4_toupper(SUBDIR), [test x$config_]SUBDIR = xtrue)
 ])
-- 
2.38.1