diff --git a/eo/config.cache b/eo/config.cache
new file mode 100644
index 00000000..b1e24a92
--- /dev/null
+++ b/eo/config.cache
@@ -0,0 +1,34 @@
+# This file is a shell script that caches the results of configure
+# tests run on this system so they can be shared between configure
+# scripts and configure runs.  It is not useful on other systems.
+# If it contains results you don't want to keep, you may remove or edit it.
+#
+# By default, configure uses ./config.cache as the cache file,
+# creating it if it does not exist already.  You can give configure
+# the --cache-file=FILE option to use a different cache file; that is
+# what configure does when it calls configure scripts in
+# subdirectories, so they share the cache.
+# Giving --cache-file=/dev/null disables caching, for debugging configure.
+# config.status only pays attention to the cache file if you give it the
+# --recheck option to rerun configure.
+#
+ac_cv_type_size_t=${ac_cv_type_size_t='yes'}
+ac_cv_func_select=${ac_cv_func_select='yes'}
+ac_cv_path_install=${ac_cv_path_install='/usr/bin/install -c'}
+ac_cv_prog_CXX=${ac_cv_prog_CXX='c++'}
+ac_cv_prog_RANLIB=${ac_cv_prog_RANLIB='ranlib'}
+ac_cv_prog_cxx_cross=${ac_cv_prog_cxx_cross='no'}
+ac_cv_lib_eo_main=${ac_cv_lib_eo_main='no'}
+ac_cv_c_const=${ac_cv_c_const='yes'}
+ac_cv_prog_LN_S=${ac_cv_prog_LN_S='ln -s'}
+ac_cv_header_limits_h=${ac_cv_header_limits_h='yes'}
+ac_cv_header_stdc=${ac_cv_header_stdc='yes'}
+ac_cv_prog_make_make_set=${ac_cv_prog_make_make_set='yes'}
+ac_cv_prog_cxx_works=${ac_cv_prog_cxx_works='yes'}
+ac_cv_c_inline=${ac_cv_c_inline='inline'}
+ac_cv_lib_m_main=${ac_cv_lib_m_main='yes'}
+ac_cv_lib_eoutils_main=${ac_cv_lib_eoutils_main='no'}
+ac_cv_prog_cxx_g=${ac_cv_prog_cxx_g='yes'}
+ac_cv_prog_gxx=${ac_cv_prog_gxx='yes'}
+ac_cv_prog_CPP=${ac_cv_prog_CPP='cc -E'}
+