Re: Compiler Flags

[Tim Heath]

I put the following in my configure.in:

AM_CFLAGS = -D_POSIX1C_SOURCE -D_HPUX_SOURCE -D_REENTRANT

I assume this is wrong as it does not have the desired effect.

Can you tell me what should be done please?

Thanks,

Tim Heath

Tom Tromey wrote:
> 
> >>>>> "Simon" == Simon Richter <address@hidden> writes:
> 
> >> On Fri, 17 Nov 2000, Tim Heath wrote:
> >> How do I add compiler flags?  What AM is necessary to accomplish that?
> 
> Simon> Make your configure.in add them to $CFLAGS, before AC_PROG_CC
> Simon> (to make sure the compiler actually accepts them).
> 
> Actually, you don't want to do that.  CFLAGS, CPPFLAGS, and the like
> are defined to be "user variables".  That is, the user should be free
> to do this:
> 
>     make CFLAGS='my flags' ...
> 
> If your rewritten CFLAGS contained things necessary for your package,
> this would break.
> 
> You can set private compiler flags using the `AM_' form of variables:
> AM_CFLAGS, AM_CXXFLAGS, AM_CPPFLAGS, etc.
> 
> Tom