diff -Naur libpng-1.2.9/scripts/makefile.linux libpng-1.2.9_patched/scripts/makefile.linux
--- libpng-1.2.9/scripts/makefile.linux	2006-04-14 13:22:31.000000000 +0200
+++ libpng-1.2.9_patched/scripts/makefile.linux	2006-04-14 21:46:30.000000000 +0200
@@ -50,8 +50,9 @@
 CFLAGS=-I$(ZLIBINC) -Wall -O3 -funroll-loops \
 	$(ALIGN) # $(WARNMORE) -g -DPNG_DEBUG=5
 
-LDFLAGS=-L. -Wl,-rpath,. -L$(ZLIBLIB) -Wl,-rpath,$(ZLIBLIB) -lpng12 -lz -lm
-LDFLAGS_A=-L$(ZLIBLIB) -Wl,-rpath,$(ZLIBLIB) libpng.a -lz -lm
+LIBS=-lz -lm
+LDFLAGS=-L. -Wl,-rpath,. -L$(ZLIBLIB) -Wl,-rpath,$(ZLIBLIB) -lpng12
+LDFLAGS_A=-L$(ZLIBLIB) -Wl,-rpath,$(ZLIBLIB) libpng.a $(LIBS)
 
 INCPATH=$(prefix)/include
 LIBPATH=$(exec_prefix)/lib
@@ -99,7 +100,7 @@
 	echo I_opts=\"-I$(INCPATH)/$(LIBNAME)\"; \
 	echo L_opts=\"-L$(LIBPATH)\"; \
 	echo R_opts=\"-Wl,-rpath,$(LIBPATH)\"; \
-	echo libs=\"-lpng12 -lz -lm\"; \
+	echo libs=\"-lpng12\"; \
 	cat scripts/libpng-config-body.in ) > libpng-config
 	chmod +x libpng-config
 
@@ -110,12 +111,12 @@
 	$(LN_SF) $(LIBSOVER) $(LIBSOMAJ)
 
 $(LIBSOVER): $(OBJSDLL)
-	$(CC) -shared -Wl,-soname,$(LIBSOMAJ) -o $(LIBSOVER) $(OBJSDLL)
+	$(CC) -shared -Wl,-soname,$(LIBSOMAJ) -o $(LIBSOVER) $(OBJSDLL) $(LIBS)
 
 $(OLDSOVER): $(OBJSDLL)
 	$(CC) -shared -Wl,-soname,$(OLDSOMAJ) \
 	-o $(OLDSOVER) \
-	$(OBJSDLL)
+	$(OBJSDLL) $(LIBS)
 
 pngtest: pngtest.o $(LIBSO)
 	$(CC) -o pngtest $(CFLAGS) pngtest.o $(LDFLAGS)