+case $host_os in
+ *mingw*)
+ AC_CHECK_LIB(crypto, SHA1_version,
+ [LIBS="$LIBS -lcrypto -lgdi32"],
+ [AC_MSG_ERROR([OpenSSL libraries not found.])]
+ )
+ ;;
+ *)
+ AC_CHECK_LIB(crypto, SHA1_version,
+ [LIBS="$LIBS -lcrypto"],
+ [AC_MSG_ERROR([OpenSSL libraries not found.])]
+ )
+
+ AC_CHECK_FUNC(dlopen,
+ [],
+ [AC_CHECK_LIB(dl, dlopen,
+ [LIBS="$LIBS -ldl"],
+ [AC_MSG_ERROR([OpenSSL depends on libdl.]); break]
+ )]
+ )
+ ;;
+esac