From d39ce17deaa0b8f7b75b4319fbfb087dfaa30b9e Mon Sep 17 00:00:00 2001
From: Wilson Snyder <wsnyder@wsnyder.org>
Date: Sat, 28 Nov 2015 17:33:01 -0500
Subject: [PATCH] Makefiles: Turn off make built-in suffixes.

---
 Makefile.in               | 2 ++
 src/Makefile.in           | 2 ++
 src/Makefile_obj.in       | 2 ++
 test_regress/Makefile     | 2 ++
 test_regress/Makefile_obj | 2 ++
 5 files changed, 10 insertions(+)

diff --git a/Makefile.in b/Makefile.in
index 70904fd7b..5b66ac032 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -100,6 +100,8 @@ PACKAGE_VERSION = @PACKAGE_VERSION@
 #### End of system configuration section. ####
 ######################################################################
 
+.SUFFIXES:
+
 SHELL = /bin/sh
 
 SUBDIRS = src test_verilated test_c test_sc test_regress
diff --git a/src/Makefile.in b/src/Makefile.in
index 9108fb1f7..4f7ed8da0 100644
--- a/src/Makefile.in
+++ b/src/Makefile.in
@@ -46,6 +46,8 @@ obj_opt:
 obj_dbg:
 	mkdir $@
 
+.SUFFIXES:
+
 .PHONY: ../verilator_bin ../verilator_bin_dbg ../verilator_coverage_bin_dbg
 
 opt: ../verilator_bin
diff --git a/src/Makefile_obj.in b/src/Makefile_obj.in
index c26921158..1d824e333 100644
--- a/src/Makefile_obj.in
+++ b/src/Makefile_obj.in
@@ -327,6 +327,8 @@ V3PreLex_pregen.yy.cpp:	V3PreLex.l $(HEADERS)
 V3PreLex.yy.cpp: V3PreLex_pregen.yy.cpp $(FLEXFIX)
 	$(PERL) $(FLEXFIX) V3PreLex <$< >$@
 
+.SUFFIXES:
+
 ######################################################################
 ######################################################################
 
diff --git a/test_regress/Makefile b/test_regress/Makefile
index a339fbce5..cc1b507c2 100644
--- a/test_regress/Makefile
+++ b/test_regress/Makefile
@@ -40,6 +40,8 @@ ifeq ($(CFG_WITH_LONGTESTS),yes)
  DRIVER_FLAGS += -j 0
 endif
 
+.SUFFIXES:
+
 ######################################################################
 
 .PHONY: test
diff --git a/test_regress/Makefile_obj b/test_regress/Makefile_obj
index 5b13e9cad..7630bf143 100644
--- a/test_regress/Makefile_obj
+++ b/test_regress/Makefile_obj
@@ -42,6 +42,8 @@ ifeq ($(VM_SP_OR_SC),1)
    LIBS += $(SC_LIBS)
 endif
 
+.SUFFIXES:
+
 #Default compile, pick up OBJCACHE
 %.o:	%.cpp
 	$(OBJCACHE) $(CXX) -c $(CPPFLAGS) $(CXXFLAGS) $<