FreeTDS Development Group

[Rusty Conover <rconover AT zootweb.com>]

Brian Bruns <camber AT ais.org> writes:

> I got the notion to allow the odbc bits to compile with either iODBC or
> unixODBC, so I added two options to configure.in like such:
> 
> --
> 
> AC_ARG_WITH(iodbc,
> [  --with-iodbc=/path/to/iodbc build odbc driver against iODBC])
> if test "$with_iodbc"; then
>         CFLAGS="$CFLAGS -DIODBC";
>         ODBC_INC=$with_iodbc/include;
>         odbc=true
> fi
> 
> AC_ARG_WITH(iodbc,
> [  --with-unixodbc=/path/to/unixodbc build odbc driver against unixODBC])
> if test "$with_unixodbc"; then
>         CFLAGS="$CFLAGS -DUNIXODBC"
>         ODBC_INC=$with_unixodbc/include
>         odbc=true
> fi
> AM_CONDITIONAL(ODBC, test x$odbc = xtrue)
> 
> --
> 
> So the problem is with AM_CONDITIONAL...running the configure script with
> sh -x configure or sh -x configure --with-iodbc=/usr/local sets ODBC_TRUE
> and ODBC_FALSE as expected.  I then added this to the src/Makefile.am
> 
> --
> if ODBC
> SUBDIRS       =       tds ctlib dblib odbc server
> else
> SUBDIRS       =       tds ctlib dblib server
> endif
> 
> --
> 
> so that odbc would only get compiled if a driver manager was
> specified.  Problem is that 'ODBC' alway evaluates to true.  Anyone have
> any clues?

Brian,

Add a line like 

AC_SUBST(ODBC) 

to configure.in to bring the variable into the Makefile.am when it is
generated.

Then to look at the value of the variable use $(ODBC) in Makefile.am

HTH,

Rusty
-- 
Rusty Conover 
Systems Programmer
Zoot Enterprises Inc, www.zootweb.com