If I follow 
SYNOPSIS
    h2xs [OPTIONS ...] [headerfile ... [extra_libraries]]

[download]
and change order to 
h2xs -Oxan TwinTree libtwintree.h  -L/usr/local/lib -llibtwintree

[download]
I get 
Scanning libtwintree.h for functions...
'cppstdin' is not recognized as an internal or external command,
operable program or batch file.
'cppstdin' is not recognized as an internal or external command,
operable program or batch file.

[download]
Your hand makefile scares me :) I thought Makefile.PL make makefile.

In reply to Re: Why does the h2xs -x switch not generate XSUBs? by Anonymous Monk
in thread Why does the h2xs -x switch not generate XSUBs? by FloydATC

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