From c61e3faec576a4eeff001fea3df1d0f8abfb5a1f Mon Sep 17 00:00:00 2001
From: Johan Danielsson <joda@pdc.kth.se>
Date: Mon, 17 Mar 1997 10:42:29 +0000
Subject: [PATCH] Try to not always rebuild generated files.

git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@1455 ec53bebd-3082-4978-b11e-865c3cabbd6b
---
 lib/asn1/Makefile.am | 45 +++++++++++++++++++++++++++++++++++---------
 1 file changed, 36 insertions(+), 9 deletions(-)

diff --git a/lib/asn1/Makefile.am b/lib/asn1/Makefile.am
index 39425e88f..75c8c53bf 100644
--- a/lib/asn1/Makefile.am
+++ b/lib/asn1/Makefile.am
@@ -4,15 +4,36 @@ AUTOMAKE_OPTIONS = no-dependencies
 
 lib_LIBRARIES = libasn1.a
 
-libasn1_a_SOURCES = der_get.c der_put.c der_free.c der_length.c
+gen_SOURCES = asn1_Realm.c asn1_PrincipalName.c \
+	asn1_HostAddress.c asn1_HostAddresses.c asn1_KerberosTime.c \
+	asn1_AuthorizationData.c asn1_APOptions.c asn1_TicketFlags.c \
+	asn1_KDCOptions.c asn1_LastReq.c asn1_EncryptedData.c \
+	asn1_EncryptionKey.c asn1_TransitedEncoding.c asn1_Ticket.c \
+	asn1_EncTicketPart.c asn1_Checksum.c asn1_Authenticator.c \
+	asn1_PA_DATA.c asn1_KDC_REQ_BODY.c asn1_KDC_REQ.c asn1_AS_REQ.c \
+	asn1_TGS_REQ.c asn1_PA_ENC_TS_ENC.c asn1_KDC_REP.c asn1_AS_REP.c \
+	asn1_TGS_REP.c asn1_EncKDCRepPart.c asn1_EncASRepPart.c \
+	asn1_EncTGSRepPart.c asn1_AP_REQ.c asn1_AP_REP.c \
+	asn1_EncAPRepPart.c asn1_KRB_SAFE_BODY.c asn1_KRB_SAFE.c \
+	asn1_KRB_PRIV.c asn1_EncKrbPrivPart.c asn1_KRB_CRED.c \
+	asn1_KrbCredInfo.c asn1_EncKrbCredPart.c asn1_KRB_ERROR.c
+
+foo=$(gen_SOURCES:%.c=%.x)
+
+
+libasn1_a_SOURCES = der_get.c der_put.c der_free.c der_length.c der_copy.c \
+		$(gen_SOURCES)
 
 noinst_PROGRAMS = asn1_compile
 
-asn1_compile_SOURCES = parse.y lex.l main.c hash.c symbol.c gen.c
+asn1_compile_SOURCES = parse.y lex.l main.c hash.c symbol.c gen.c \
+	gen_encode.c gen_decode.c gen_free.c gen_length.c gen_copy.c
 
 asn1_compile_LDADD = @LEXLIB@
 
-CLEANFILES = lex.c parse.c parse.h asn1.h `cat asn1_files` asn1_files
+CLEANFILES = lex.c parse.c parse.h asn1.h $(gen_SOURCES) $(foo) asn1_files
+
+.SUFFIXES: .x
 
 parse.c: parse.y
 	$(YACC) -d $(YFLAGS) $(srcdir)/parse.y
@@ -26,10 +47,16 @@ lex.c: lex.l
 
 lex.o: parse.h
 
-libasn1.a: asn1_compile $(libasn1_a_OBJECTS) $(libasn1_a_DEPENDENCIES)
+#libasn1.a: asn1_compile $(libasn1_a_OBJECTS) $(libasn1_a_DEPENDENCIES)
+#	./asn1_compile $(srcdir)/k5.asn1
+#	o=`sed -e 's/\.c/.o/g' asn1_files`; \
+#	$(MAKE) $$o && \
+#	rm -f libasn1.a && \
+#	$(AR) cru libasn1.a $(libasn1_a_OBJECTS) $(libasn1_a_LIBADD) $$o && \
+#	$(RANLIB) libasn1.a
+
+$(foo): asn1_compile $(srcdir)/k5.asn1
 	./asn1_compile $(srcdir)/k5.asn1
-	o=`sed -e 's/\.c/.o/g' asn1_files`; \
-	$(MAKE) $$o; \
-	rm -f libasn1.a; \
-	$(AR) cru libasn1.a $(libasn1_a_OBJECTS) $(libasn1_a_LIBADD) $$o; \
-	$(RANLIB) libasn1.a
+
+%.c: %.x
+	@cmp -s $< $@ 2> /dev/null || cp $< $@