From 70ab6bdd55540779cda498611010b61619f1758a Mon Sep 17 00:00:00 2001
From: Mike Frysinger <vapier@gentoo.org>
Date: Sun, 31 Oct 2021 02:08:38 -0400
Subject: sim: hoist gencode & opc2c build rules up to common builds

These rules don't depend on the target compiler settings, so hoist
the build logic up to the common builds for better parallelization.
---
 sim/cr16/Makefile.in | 22 ----------------------
 sim/cr16/local.mk    | 47 +++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 47 insertions(+), 22 deletions(-)
 create mode 100644 sim/cr16/local.mk

(limited to 'sim/cr16')

diff --git a/sim/cr16/Makefile.in b/sim/cr16/Makefile.in
index 99b2bec..4d7345a 100644
--- a/sim/cr16/Makefile.in
+++ b/sim/cr16/Makefile.in
@@ -23,32 +23,10 @@ SIM_OBJS = \
 	interp.o \
 	table.o \
 	simops.o
-SIM_EXTRA_CLEAN = clean-extra
 
 SIM_EXTRA_DEPS = simops.h
 
-INCLUDE = cr16_sim.h $(srcroot)/include/sim/callback.h targ-vals.h \
-	$(srcroot)/include/gdb/sim-cr16.h
-
 # This selects the cr16 newlib/libgloss syscall definitions.
 NL_TARGET = -DNL_TARGET_cr16
 
 ## COMMON_POST_CONFIG_FRAG
-
-simops.h: gencode
-	$(ECHO_GEN) ./gencode -h >$@
-
-table.c: gencode simops.h
-	$(ECHO_GEN) ./gencode >$@
-
-gencode.o: gencode.c $(INCLUDE)
-	$(ECHO_CC) $(COMPILE_FOR_BUILD) $(WARN_CFLAGS) -c $(srcdir)/gencode.c
-
-cr16-opc.o: $(srcdir)/../../opcodes/cr16-opc.c
-	$(ECHO_CC) $(COMPILE_FOR_BUILD) $(WARN_CFLAGS) -c $(srcdir)/../../opcodes/cr16-opc.c
-
-gencode: gencode.o cr16-opc.o
-	$(ECHO_CCLD) $(LINK_FOR_BUILD) gencode.o cr16-opc.o
-
-clean-extra:
-	rm -f table.c simops.h gencode
diff --git a/sim/cr16/local.mk b/sim/cr16/local.mk
new file mode 100644
index 0000000..77866c2
--- /dev/null
+++ b/sim/cr16/local.mk
@@ -0,0 +1,47 @@
+# See sim/Makefile.am
+#
+# Copyright (C) 2008-2021 Free Software Foundation, Inc.
+# Contributed by M Ranga Swami Reddy <MR.Swami.Reddy@nsc.com>
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+%C%_BUILD_OUTPUTS = \
+	%D%/gencode$(EXEEXT) \
+	%D%/simops.h \
+	%D%/table.c
+
+# This makes sure build tools are available before building the arch-subdirs.
+SIM_ALL_RECURSIVE_DEPS += $(%C%_BUILD_OUTPUTS)
+
+%C%_gencode_SOURCES = %D%/gencode.c
+%C%_gencode_LDADD = %D%/cr16-opc.o
+
+# These rules are copied from automake, but tweaked to use FOR_BUILD variables.
+%D%/gencode$(EXEEXT): $(%C%_gencode_OBJECTS) $(%C%_gencode_DEPENDENCIES) %D%/$(am__dirstamp)
+	$(AM_V_CCLD)$(LINK_FOR_BUILD) $(%C%_gencode_OBJECTS) $(%C%_gencode_LDADD)
+
+# gencode is a build-time only tool.  Override the default rules for it.
+%D%/gencode.o: %D%/gencode.c
+	$(AM_V_CC)$(COMPILE_FOR_BUILD) -c $< -o $@
+%D%/cr16-opc.o: ../opcodes/cr16-opc.c
+	$(AM_V_CC)$(COMPILE_FOR_BUILD) -c $< -o $@
+
+%D%/simops.h: %D%/gencode$(EXEEXT)
+	$(AM_V_GEN)$< -h >$@
+
+%D%/table.c: %D%/gencode$(EXEEXT)
+	$(AM_V_GEN)$< >$@
+
+EXTRA_PROGRAMS += %D%/gencode
+MOSTLYCLEANFILES += $(%C%_BUILD_OUTPUTS)
-- 
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