Re: PKG_CHECK_MODULES on system without pkg-config installed?

[Jef Driesen]

On 06/03/11 14:23, Vincent Torri wrote:
> On Sun, Mar 6, 2011 at 2:08 PM, Jef Driesen<address@hidden>  wrote:
>
> > On 05/03/11 23:16, Vincent Torri wrote:
> >
> > > On Sat, Mar 5, 2011 at 9:06 AM, Jef Driesen<address@hidden>
> > >   wrote:
> > >
> > > > I'm trying to use the PKG_CHECK_MODULES macro to check for an external
> > > > library:
> > > >
> > > > PKG_CHECK_MODULES([LIBUSB], [libusb-1.0], [have_libusb=yes],
> > > > [have_libusb=no])
> > > >
> > > > This works great, except when trying to compile on a system without
> > > > pkg-config installed. The configure script fails with a syntax error. I
> > > > tried to wrap the PKG_CHECK_MODULES check in an AC_ARG_ENABLE enable
> > > > block,
> > > > in an attempt to enable to skip this check. But this makes no difference.
> > > >
> > > > Is there another way to make this work?
> > >
> > > before any  PKG_CHECK_MODULES, call PKG_PROG_PKG_CONFIG to check if
> > > pkg-config is available
> >
> > I tried that, and it makes no difference.
>
> is pkg.m4 in /usr/share/aclocal ?

No. I suppose that file is only present if pkg-config is installed?

I'm trying to build on Mac OS X in case that would matter.