From 229b097a2b821fb751650e07005ecb1e6b7dea7f Mon Sep 17 00:00:00 2001
From: Salvatore Filippone <salvatore.filippone@cranfield.ac.uk>
Date: Wed, 17 Jan 2007 14:41:17 +0000
Subject: [PATCH] Fix Makefile to preserve module file dates while copying,
 avoiding compilation cascades when possible.

---
 base/Makefile         | 4 ++--
 base/modules/Makefile | 2 +-
 baseprec/Makefile     | 4 ++--
 krylov/Makefile       | 4 ++--
 util/Makefile         | 4 ++--
 5 files changed, 9 insertions(+), 9 deletions(-)

diff --git a/base/Makefile b/base/Makefile
index 6c36db68..3ca78814 100644
--- a/base/Makefile
+++ b/base/Makefile
@@ -11,8 +11,8 @@ lib:
 	(cd tools; make lib LIBNAME=$(BASELIBNAME))
 	(cd serial; make lib LIBNAME=$(BASELIBNAME))
 	(cd psblas; make lib LIBNAME=$(BASELIBNAME))
-	/bin/cp $(HERE)/$(LIBNAME) $(LIBDIR)
-	/bin/cp $(LIBMOD) $(LIBDIR)
+	/bin/cp -p $(HERE)/$(LIBNAME) $(LIBDIR)
+	/bin/cp -p $(LIBMOD) $(LIBDIR)
 
 clean: 
 	(cd modules; make clean)
diff --git a/base/modules/Makefile b/base/modules/Makefile
index 991a7af6..663cf28a 100644
--- a/base/modules/Makefile
+++ b/base/modules/Makefile
@@ -33,7 +33,7 @@ psb_base_mod.o: $(MODULES) $(MPFOBJS)
 lib:  mpfobjs $(MODULES)  $(OBJS)
 	$(AR) $(LIBDIR)/$(LIBNAME) $(MODULES) $(OBJS) $(MPFOBJS)
 	$(RANLIB) $(LIBDIR)/$(LIBNAME)
-	/bin/cp $(LIBMOD) ./parts.fh $(LIBDIR)
+	/bin/cp -p $(LIBMOD) ./parts.fh $(LIBDIR)
 
 
 mpfobjs: 
diff --git a/baseprec/Makefile b/baseprec/Makefile
index 61093e61..1d545097 100644
--- a/baseprec/Makefile
+++ b/baseprec/Makefile
@@ -25,8 +25,8 @@ OBJS=$(F90OBJS) $(COBJS) $(MPFOBJS) $(MODOBJS)
 lib:  $(OBJS) 
 	$(AR) $(HERE)/$(LIBNAME) $(OBJS)
 	$(RANLIB) $(HERE)/$(LIBNAME)
-	/bin/cp $(HERE)/$(LIBNAME) $(LIBDIR)
-	/bin/cp $(LIBMOD) $(LIBDIR)
+	/bin/cp -p $(HERE)/$(LIBNAME) $(LIBDIR)
+	/bin/cp -p $(LIBMOD) $(LIBDIR)
 
 $(F90OBJS): $(MODOBJS)
 psb_prec_mod.o: psb_prec_type.o
diff --git a/krylov/Makefile b/krylov/Makefile
index 99c2e36f..c77ae8c3 100644
--- a/krylov/Makefile
+++ b/krylov/Makefile
@@ -18,8 +18,8 @@ INCDIRS=-I. -I$(LIBDIR)
 lib:  $(OBJS) 
 	$(AR) $(HERE)/$(LIBNAME) $(OBJS)
 	$(RANLIB) $(HERE)/$(LIBNAME)
-	/bin/cp $(HERE)/$(LIBNAME) $(LIBDIR)
-	/bin/cp $(LIBMOD) $(LIBDIR)
+	/bin/cp -p $(HERE)/$(LIBNAME) $(LIBDIR)
+	/bin/cp -p $(LIBMOD) $(LIBDIR)
 
 veryclean: clean
 	/bin/rm -f $(HERE)/$(LIBNAME)
diff --git a/util/Makefile b/util/Makefile
index 3c216b3a..eaab2bed 100644
--- a/util/Makefile
+++ b/util/Makefile
@@ -18,8 +18,8 @@ INCDIRS=-I.  -I$(LIBDIR)
 lib:  $(OBJS) 
 	$(AR) $(HERE)/$(LIBNAME) $(OBJS)
 	$(RANLIB) $(HERE)/$(LIBNAME)
-	/bin/cp $(HERE)/$(LIBNAME) $(LIBDIR)
-	/bin/cp $(LIBMOD) $(LIBDIR)
+	/bin/cp -p $(HERE)/$(LIBNAME) $(LIBDIR)
+	/bin/cp -p $(LIBMOD) $(LIBDIR)
 
 
 psb_util_mod.o: $(BASEOBJ)