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@@ -0,0 +1,31 @@
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+dnl Check to find the lzo headers/libraries
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+
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+AC_DEFUN(tinc_LZO,
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+[
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+ tinc_ac_save_CPPFLAGS="$CPPFLAGS"
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+
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+ AC_ARG_WITH(lzo-include,
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+ [ --with-lzo-include=DIR lzo headers directory],
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+ [lzo_include="$withval"
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+ CFLAGS="$CFLAGS -I$withval"
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+ CPPFLAGS="$CPPFLAGS -I$withval"]
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+ )
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+
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+ AC_ARG_WITH(lzo-lib,
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+ [ --with-lzo-lib=DIR lzo library directory],
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+ [lzo_lib="$withval"
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+ LIBS="$LIBS -L$withval"]
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+ )
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+
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+ AC_CHECK_HEADERS(lzo1x.h,
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+ [],
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+ [AC_MSG_ERROR("lzo header files not found."); break]
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+ )
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+
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+ CPPFLAGS="$tinc_ac_save_CPPFLAGS"
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+
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+ AC_CHECK_LIB(lzo, lzo1x_1_compress,
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+ [LIBS="$LIBS -llzo"],
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+ [AC_MSG_ERROR("lzo libraries not found.")]
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+ )
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+])
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