AC_HEADER_ASSERT
AC_C_BIGENDIAN
-# pkg-config
-PKG_INIT
-if test x"$PKG_CONFIG" = x""; then
- AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
-fi
-
LT_INIT
-# libpng
-PKG_CHECK(libpng, yes, [PNG], [libpng-config], [png.h], png,
- png_create_write_struct, libpng, [http://www.libpng.org/])
-AC_SUBST(PNG_CFLAGS)
-AC_SUBST(PNG_LIBS)
-
+CHECK_LIBPNG([1.2], [have_libpng=yes], [have_libpng=no])
AM_CONDITIONAL([BUILD_LBXIMG], [test x"$have_libpng" = x"yes"])
AC_CONFIG_FILES([