On Tue, Mar 1, 2016 at 11:59 AM, Christophe Fergeau <cfergeau at redhat.com> wrote:
> Since systemd 209, the various systemd helper libraries are gathered in
> a single libsystemd, and libsystemd-login is only built when systemd is
> built with compat libraries support. Since commit
> https://github.com/systemd/systemd/commit/4de282c
> "build-sys: drop libsystemd-{id128,daemon,login,journal}.so compat libs"
> (2016-02-12), these compat libraries are no longer available.
>
> This commit checks for both libsystemd and libsystemd-login to ensure we
> can build on both older and newer systemd versions.
>
> https://bugs.freedesktop.org/show_bug.cgi?id=94209
> ---
> configure.ac | 9 ++++++++-
> 1 file changed, 8 insertions(+), 1 deletion(-)
>
> diff --git a/configure.ac b/configure.ac
> index ca9a15b..de72ea2 100644
> --- a/configure.ac
> +++ b/configure.ac
> @@ -84,9 +84,16 @@ PKG_CHECK_MODULES(ALSA, [alsa >= 1.0.22])
>
> if test "$with_session_info" = "auto" || test "$with_session_info" = "systemd"; then
> PKG_CHECK_MODULES([LIBSYSTEMD_LOGIN],
> - [libsystemd-login >= 42],
> + [libsystemd >= 209],
> [have_libsystemd_login="yes"],
> [have_libsystemd_login="no"])
> + if test "$have_libsystemd_login" = "no"; then
> + # for backward compatibility with older systemd versions
> + PKG_CHECK_MODULES([LIBSYSTEMD_LOGIN],
> + [libsystemd-login >= 42],
> + [have_libsystemd_login="yes"],
> + [have_libsystemd_login="no"])
> + fi
> if test x"$have_libsystemd_login" = "xno" && test "$with_session_info" = "systemd"; then
> AC_MSG_ERROR([libsystemd-login support explicitly requested, but some required packages are not available])
> fi
> --
> 2.5.0
>
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Acked-by: Fabiano Fidêncio <fidencio at redhat.com>