+dnl Check to find the lzo headers/libraries
+
+AC_DEFUN(tinc_LZO,
+[
+ tinc_ac_save_CPPFLAGS="$CPPFLAGS"
+
+ AC_ARG_WITH(lzo-include,
+ [ --with-lzo-include=DIR lzo headers directory],
+ [lzo_include="$withval"
+ CFLAGS="$CFLAGS -I$withval"
+ CPPFLAGS="$CPPFLAGS -I$withval"]
+ )
+
+ AC_ARG_WITH(lzo-lib,
+ [ --with-lzo-lib=DIR lzo library directory],
+ [lzo_lib="$withval"
+ LIBS="$LIBS -L$withval"]
+ )
+
+ AC_CHECK_HEADERS(lzo1x.h,
+ [],
+ [AC_MSG_ERROR("lzo header files not found."); break]
+ )
+
+ CPPFLAGS="$tinc_ac_save_CPPFLAGS"
+
+ AC_CHECK_LIB(lzo, lzo1x_1_compress,
+ [LIBS="$LIBS -llzo"],
+ [AC_MSG_ERROR("lzo libraries not found.")]
+ )
+])