--- ./configure.in.gege	2002-08-05 20:00:03.000000000 +0200
+++ ./configure.in	2003-04-24 16:35:33.000000000 +0200
@@ -217,7 +217,7 @@
 
 CHECK_LIB(GL,Setup/Tests/opengl.cpp, OPENGL=enabled, OPENGL=disabled, [$x_libraries -lGL -lGLU -lpthread])
 CHECK_LIB(mikmod,Setup/Tests/mikmod.cpp, mikmod=enabled, mikmod=disabled, [$x_libraries -lmikmod])
-CHECK_LIB(png,Setup/Tests/png.cpp, png=enabled, png=disabled, [$x_libraries -lpng])
+CHECK_LIB(png,Setup/Tests/png.cpp, png=enabled, png=disabled, [$x_libraries -lpng -lz -lm])
 CHECK_LIB(jpeg,Setup/Tests/jpeg.cpp, jpeg=enabled, jpeg=disabled, [$x_libraries -ljpeg])
 for lib in lua40 lua; do
 	dnl setting back OLDLIBS is needed because of the break