--- deltarpm-3.6.1/Makefile.orig	2018-05-12 13:26:28.431759384 +0200
+++ deltarpm-3.6.1/Makefile	2018-05-12 13:30:31.665089939 +0200
@@ -9,9 +9,8 @@
 zlibcppflags=-I$(zlibdir)
 pylibprefix=/
 CFLAGS = -fPIC -O2 -Wall -g
-CPPFLAGS = -fPIC -DDELTARPM_64BIT -DBSDIFF_NO_SUF -DRPMDUMPHEADER=\"$(rpmdumpheader)\" $(zlibcppflags)
-LDLIBS = -lbz2 $(zlibldflags) -llzma
-LDFLAGS =
+CPPFLAGS = -fPIC -DDELTARPM_64BIT -DBSDIFF_NO_SUF -DRPMDUMPHEADER=\"$(rpmdumpheader)\" $(zlibcppflags) $(shell pkg-config --cflags rpm)
+LIBS = -lbz2 $(zlibldflags) $(shell pkg-config --libs rpm) $(shell pkg-config --libs liblzma)
 PYTHONS = python python3
 
 all: makedeltarpm applydeltarpm rpmdumpheader makedeltaiso applydeltaiso combinedeltarpm fragiso
@@ -19,19 +18,25 @@
 python: _deltarpmmodule.so
 
 makedeltarpm: makedeltarpm.o writedeltarpm.o md5.o util.o rpml.o rpmhead.o cpio.o delta.o cfile.o $(zlibbundled)
+	$(CC) $(CPPFLAGS) $(CFLAGS) $(LDFLAGS) $^ $ -o $@ $(LIBS)
 
 applydeltarpm: applydeltarpm.o readdeltarpm.o md5.o sha256.o util.o rpmhead.o cpio.o cfile.o prelink.o $(zlibbundled)
+	$(CC) $(CPPFLAGS) $(CFLAGS) $(LDFLAGS) $^ $ -o $@ $(LIBS)
 
 combinedeltarpm: combinedeltarpm.o md5.o util.o rpmhead.o cfile.o readdeltarpm.o writedeltarpm.o $(zlibbundled)
+	$(CC) $(CPPFLAGS) $(CFLAGS) $(LDFLAGS) $^ $ -o $@ $(LIBS)
 
 rpmdumpheader: rpmdumpheader.o
-	$(CC) $(LDFLAGS) $^ -lrpm -lrpmio -o $@
+	$(CC) $(CPPFLAGS) $(CFLAGS) $(LDFLAGS) $^ $ -o $@ $(LIBS)
 
 makedeltaiso: makedeltaiso.o delta.o rpmoffs.o rpmhead.o util.o md5.o cfile.o $(zlibbundled)
+	$(CC) $(CPPFLAGS) $(CFLAGS) $(LDFLAGS) $^ $ -o $@ $(LIBS)
 
 applydeltaiso: applydeltaiso.o util.o md5.o cfile.o $(zlibbundled)
+	$(CC) $(CPPFLAGS) $(CFLAGS) $(LDFLAGS) $^ $ -o $@ $(LIBS)
 
 fragiso: fragiso.o util.o md5.o rpmhead.o cfile.o $(zlibbundled)
+	$(CC) $(CPPFLAGS) $(CFLAGS) $(LDFLAGS) $^ $ -o $@ $(LIBS)
 
 _deltarpmmodule.so: readdeltarpm.o rpmhead.o util.o md5.o cfile.o $(zlibbundled)
 	for PY in $(PYTHONS) ; do \
@@ -41,13 +46,13 @@
 			if [ ! -f "python$$PYVER/$@" ]; then \
 				mkdir -p python$$PYVER ;\
 				$(CC) $(CFLAGS) $$PYCFLAGS $(zlibcppflags) -fPIC -c -o python$$PYVER/deltarpmmodule.o deltarpmmodule.c ;\
-				$(CC) $(LDFLAGS) -o python$$PYVER/$@ python$$PYVER/deltarpmmodule.o $^ -shared -Wl,-soname,_deltarpmmodule.so $(LDLIBS); \
+				$(CC) $(LDFLAGS) -o python$$PYVER/$@ python$$PYVER/deltarpmmodule.o $^ -shared -Wl,-soname,_deltarpmmodule.so $(LIBS) $$PYLDFLAGS; \
 			fi; \
 		fi; \
 	done
 
 $(zlibbundled):
-	cd $(zlibdir) ; make CFLAGS="-fPIC $(CFLAGS)" libz.a
+	cd $(zlibdir) ; make CPPFLAGS="$(CPPFLAGS)" CFLAGS="-fPIC $(CFLAGS)" LDFLAGS="$(LDFLAGS)" libz.a
 
 clean:
 	rm -f *.o
@@ -59,7 +64,7 @@
 	install -m 755 makedeltarpm  $(DESTDIR)$(bindir)
 	install -m 755 applydeltarpm $(DESTDIR)$(bindir)
 	install -m 755 combinedeltarpm $(DESTDIR)$(bindir)
-	install -m 755 rpmdumpheader $(DESTDIR)$(rpmdumpheader)
+	install -m 755 rpmdumpheader -D $(DESTDIR)$(rpmdumpheader)
 	install -m 755 makedeltaiso $(DESTDIR)$(bindir)
 	install -m 755 applydeltaiso $(DESTDIR)$(bindir)
 	install -m 755 fragiso $(DESTDIR)$(bindir)
--- deltarpm-git-20110223/rpmdumpheader.c.orig	2012-08-28 14:36:14.336108640 -0300
+++ deltarpm-git-20110223/rpmdumpheader.c	2012-08-28 14:36:17.157108563 -0300
@@ -7,15 +7,23 @@
 
 #include <fcntl.h>
 #include <string.h>
-#include <rpm/rpmlib.h>
-#include <rpm/rpmts.h>
-#include <rpm/rpmdb.h>
+#include <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <rpmrc.h>
+#include <rpmtypes.h>
+#include <rpmtag.h>
+#include <rpmlog.h>
+#include <rpmio.h>
+#include <rpmts.h>
+#include <rpmdb.h>
+#include <pkgio.h>
 
 int main(int argc, char **argv)
 {
   FD_t fdo;
   rpmts ts = NULL;
-  rpmdbMatchIterator mi;
+  rpmmi mi;
   Header h;
   int ret = 0;
 
@@ -66,16 +74,24 @@ int main(int argc, char **argv)
   ts = rpmtsCreate();
   
   mi = rpmtsInitIterator(ts, RPMTAG_NAME, n, 0);
-  rpmdbSetIteratorRE(mi, RPMTAG_EPOCH, RPMMIRE_STRCMP, e);
-  rpmdbSetIteratorRE(mi, RPMTAG_VERSION, RPMMIRE_STRCMP, v);
-  rpmdbSetIteratorRE(mi, RPMTAG_RELEASE, RPMMIRE_STRCMP, r);
+  rpmmiAddPattern(mi, RPMTAG_EPOCH, RPMMIRE_STRCMP, e);
+  rpmmiAddPattern(mi, RPMTAG_VERSION, RPMMIRE_STRCMP, v);
+  rpmmiAddPattern(mi, RPMTAG_RELEASE, RPMMIRE_STRCMP, r);
   if (a)
-    rpmdbSetIteratorRE(mi, RPMTAG_ARCH, RPMMIRE_STRCMP, a);
+    rpmmiAddPattern(mi, RPMTAG_ARCH, RPMMIRE_STRCMP, a);
 
-  if ((h = rpmdbNextIterator(mi)) != NULL)
+  if ((h = rpmmiNext(mi)) != NULL)
     {
-      fdo = Fopen("-", "w.ufdio");
-      headerWrite(fdo, h, HEADER_MAGIC_YES);
+	rpmRC rc;
+	const char item[] = "Header";
+	const char * msg = NULL;
+
+      	fdo = Fopen("-", "w.ufdio");
+	rc = rpmpkgWrite(item, (FD_t)fdo, h, &msg);
+	if (rc != RPMRC_OK) {
+		rpmlog(RPMLOG_ERR, "%s: %s: %s\n", "headerWrite", item, msg);
+	}
+	msg = (const char*)_free(msg);
     }
   else
     {
@@ -85,7 +101,7 @@ int main(int argc, char **argv)
 	fprintf(stderr, "%s-%s-%s%s%s is not installed\n", n, v, r, a ? "." : "", a ? a : "");
       ret = 1;
     }
-  mi = rpmdbFreeIterator(mi);
+  mi = rpmmiFree(mi);
   ts = rpmtsFree(ts);
   exit(ret);
 }