+AC_ARG_WITH([assetdir],
+ [AS_HELP_STRING([--with-assetdir=DIR],
+ [real path to game assets (default: $datarootdir/yoink)])],
+ [DATADIR="$withval"],
+ [eval DATADIR="$datarootdir/yoink"])
+
+AC_SUBST([DATADIR])
+AC_DEFINE_UNQUOTED([YOINK_DATADIR], ["$DATADIR"],
+ [Define to path of game asset directory.])
+
+CONFIGFILES="\$HOME/.yoinkrc:/etc/yoinkrc:$DATADIR/yoinkrc"
+
+AC_DEFINE_UNQUOTED([YOINK_CONFIGFILES], ["$CONFIGFILES"],
+ [Define to colon-delimited config file paths.])
+
+
+#
+# Checks for libraries.
+#
+
+AM_PATH_SDL([1.2.10],
+ [CFLAGS="$CFLAGS $SDL_CFLAGS"
+ CXXFLAGS="$CXXFLAGS $SDL_CFLAGS"
+ LIBS="$LIBS $SDL_LIBS"])
+
+#BOOST_REQUIRE([1.35])
+#CPPFLAGS="$CPPFLAGS $BOOST_CPPFLAGS"
+BOOST_SMART_PTR
+BOOST_STRING_ALGO
+BOOST_BIND
+BOOST_FUNCTION
+
+AC_SEARCH_LIBS([IMG_Load], [SDL_image],,
+ [AC_MSG_ERROR([libSDL_image is required])])
+
+AC_SEARCH_LIBS([glBegin], [GL],,
+ [AC_MSG_ERROR([libGL is required])])
+
+AC_SEARCH_LIBS([gluPerspective], [GLU],,
+ [AC_MSG_ERROR([libGLU is required])])
+
+AC_SEARCH_LIBS([clock_gettime], [rt],
+ [AC_DEFINE([HAVE_CLOCK_GETTIME], 1,
+ [Define to 1 if you have the 'clock_gettime' function.])])
+
+
+#
+# Checks for header files.
+#
+
+AC_HEADER_STDBOOL
+AC_HEADER_STDC
+AC_CHECK_HEADERS([stddef.h stdint.h stdlib.h string.h unistd.h])
+
+
+#
+# Checks for typedefs, structures, and compiler characteristics.
+#
+
+AC_C_STRINGIZE
+AC_C_INLINE
+
+AC_TYPE_UINT8_T
+AC_TYPE_UINT16_T
+AC_TYPE_UINT32_T
+AC_TYPE_SIZE_T
+AC_TYPE_SSIZE_T
+
+
+#
+# Checks for library functions.
+#
+
+AC_FUNC_ERROR_AT_LINE
+AC_FUNC_STRTOD
+AC_CHECK_FUNCS([nanosleep strchr strcspn strrchr strstr])
+
+
+#
+# Find the data files to install.
+#
+
+DATA_FILES=$(echo $(cd data; \
+ find . -name "*.png" -o -name "*.json" -o -name yoinkrc))
+AC_SUBST([DATA_FILES])
+
+
+#
+# Create the build files.
+#
+
+AC_CONFIG_FILES([Makefile
+ data/Makefile
+ src/Makefile
+ doc/Makefile
+ doc/yoink.6
+ yajl/Makefile])
+
+AC_CONFIG_HEADERS([src/config.h])
+
+AC_OUTPUT
+
+
+#
+# Print a friendly little message.
+#
+
+echo "====================================="
+echo " Configuration complete!"
+echo ""
+
+echo " Prefix: $prefix"
+echo " Data: $DATADIR"
+echo ""
+
+if test x$debug = xyes