[LTP] [PATCH 1/1] autoconf: Use pkg-config for keyutils detection

[Li Wang]

Hi Petr,

Petr Vorel <pvorel@suse.cz> wrote:

> > +
> > > +AC_DEFUN([LTP_CHECK_LIBKEYUTILS], [
> > > +    PKG_CHECK_MODULES([LIBKEYUTILS], [libkeyutils], [
>
>
> > I guess the list-of-modules should be [keyutils-libs] but not
> [libkeyutils]?
> No problem to change that, but can you explain why?
>

>From what I understanding, this macro runs the pkg-config tool to check
for the presence of packages against keyutils-libs and sets two variables:
LIBKEYUTILS_CFLAGS, LIBKEYUTILS_LIBS accordingly.

So the list-of-modules should be the precise name(or version) of the
library, am I right?
See: https://autotools.io/pkgconfig/pkg_check_modules.html



> Tested: https://travis-ci.org/github/pevik/ltp/builds/753925166


The reason for test all get passed is the "include/lapi/keyctl.h" has the
second choice to include <linux/keyctl.h> I guess.

#if defined(HAVE_KEYUTILS_H) && defined(HAVE_LIBKEYUTILS)
# include <keyutils.h>
#else
# ifdef HAVE_LINUX_KEYCTL_H
#  include <linux/keyctl.h>
# endif /* HAVE_LINUX_KEYCTL_H */

-- 
Regards,
Li Wang
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