--- Makefile.in.orig	2012-04-23 09:58:06.000000000 +0400
+++ Makefile.in	2012-05-12 02:58:43.735614854 +0400
@@ -52,7 +52,7 @@
 includedir = ${prefix}/include
 mandir = ${prefix}/share/man
 man3dir = ${mandir}/man3
-pkgconfigdir = ${libdir}/pkgconfig
+pkgconfigdir = ${prefix}/lib/pkgconfig
 
 OBJZ = adler32.o crc32.o deflate.o infback.o inffast.o inflate.o inftrees.o trees.o zutil.o
 OBJG = compress.o uncompr.o gzclose.o gzlib.o gzread.o gzwrite.o
@@ -212,8 +212,8 @@
 
 install: install-libs
 	-@if [ ! -d $(DESTDIR)$(includedir)   ]; then mkdir -p $(DESTDIR)$(includedir); fi
-	cp zlib.h zconf.h $(DESTDIR)$(includedir)
-	chmod 644 $(DESTDIR)$(includedir)/zlib.h $(DESTDIR)$(includedir)/zconf.h
+	cp zlib.h zconf.h zutil.h $(DESTDIR)$(includedir)
+	chmod 644 $(DESTDIR)$(includedir)/zlib.h $(DESTDIR)$(includedir)/zconf.h $(DESTDIR)$(includedir)/zutil.h
 
 uninstall:
 	cd $(DESTDIR)$(includedir); rm -f zlib.h zconf.h