On Tuesday 24 July 2007 10:44, Joao Miguel Ferreira wrote:
> > AC_CHECK_HEADER([libxml2/libxml/xpath.h],,
> > [AC_MSG_ERROR([cannot find xml headers])])
>
> Well... I'm unable to get my system to work as yours... it seems to
> me your system is not refusing to look into
> /usr/include/libxml2/..... mine is...
Nope. I *told* AC_CHECK_HEADER to look in <default-path>/libxml2; you
did not.
> In order to get this to work I had to explicitlly 'ask' ./configure
> dig into the libxml2 dir.... check this out (configure.ac)
>
> ----------------------------------------------
> XTRAINCPATHS="-I/usr/include/libxml2/"
> CFLAGS="$CFLAGS $XTRAINCPATHS"
> CPPFLAGS="$CPPFLAGS $XTRAINCPATHS"
> #now that we got the include paths right lets check
>
> AC_CHECK_HEADERS([libxml/xmlreader.h
> libxml/xpath.h],,AC_MSG_ERROR([cannot find headers for libxml2]))
Notice that your example would be equivalent, in respect of the search
path determination, to...
AC_CHECK_HEADER([libxml/xpath.h],,
[AC_MSG_ERROR([cannot find headers for libxml2])])
...whereas I explicitly made it relative to *any* default include path
searched by the compiler...
AC_CHECK_HEADER([libxml2/libxml/xpath.h],,
[AC_MSG_ERROR([cannot find xml headers])])
In my case, that default search path is /usr/include; if the same
doesn't work for you, then the only conclusion that can be drawn is
that /usr/include is not a default include path, in your compiler
configuration.
Regards,
Keith.
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