2 files changed, 19 insertions, 3 deletions

diff --git a/Makefile b/Makefile
index 744c494..3839b42 100644
--- a/Makefile
+++ b/Makefile
@@ -1,2 +1,5 @@
 all:
         -@echo "Use ./configure first.  Thank you."
+
+distclean:
+        make -f Makefile.in distclean
diff --git a/Makefile.in b/Makefile.in
index c1cbeb5..efaec6f 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -32,7 +32,7 @@ CPP=$(CC) -E
 
 STATICLIB=libz.a
 SHAREDLIB=libz.so
-SHAREDLIBV=libz.so.1.2.3.9
+SHAREDLIBV=libz.so.1.2.4
 SHAREDLIBM=libz.so.1
 LIBS=$(STATICLIB) $(SHAREDLIB) $(SHAREDLIBV)
 
@@ -193,6 +193,18 @@ uninstall:
         cd $(DESTDIR)$(man3dir); rm -f zlib.3
         cd $(DESTDIR)$(pkgconfigdir); rm -f zlib.pc
 
+docs: zlib.3.pdf
+
+zlib.3.pdf: zlib.3
+        groff -mandoc -f H -T ps zlib.3 | ps2pdf - zlib.3.pdf
+
+zconf.h.in: zconf.h.cmakein
+        sed "/^#cmakedefine/D" < zconf.h.cmakein > zconf.h.in
+        touch -r zconf.h.cmakein zconf.h.in
+
+zconf: zconf.h.in
+        cp -p zconf.h.in zconf.h
+
 mostlyclean: clean
 clean:
         rm -f *.o *.lo *~ \
@@ -203,10 +215,11 @@ clean:
         rm -rf objs
 
 maintainer-clean: distclean
-distclean: clean
-        rm -f Makefile zconf.h zlib.pc
+distclean: clean zconf docs
+        rm -f Makefile zlib.pc
         -@rm -f .DS_Store
         -@printf 'all:\n\t-@echo "Use ./configure first.  Thank you."\n' > Makefile
+        -@printf '\ndistclean:\n\tmake -f Makefile.in distclean\n' >> Makefile
         -@touch -r Makefile.in Makefile
 
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