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configure: fail if out-of-date kmod found and kmod not disabled

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Almost everyone wants kmod support, so don't fail silently if the libs are
out-of-date.

kmod can still be explicitly disabled and if it is not found at all, we still
default to disabling it.
This commit is contained in:
Tom Gundersen 2013-07-09 00:12:35 +02:00
parent edeb68c53f
commit c495574096
1 changed files with 7 additions and 3 deletions
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10
configure.ac
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@ -218,10 +218,14 @@ PKG_CHECK_MODULES(DBUS, [dbus-1 >= 1.3.2])
have_kmod=no
AC_ARG_ENABLE(kmod, AS_HELP_STRING([--disable-kmod], [disable loadable modules support]))
if test "x$enable_kmod" != "xno"; then
PKG_CHECK_MODULES(KMOD, [ libkmod >= 14 ],
[AC_DEFINE(HAVE_KMOD, 1, [Define if kmod is available]) have_kmod=yes], have_kmod=no)
PKG_CHECK_MODULES(KMOD, [ libkmod ],
[PKG_CHECK_MODULES(KMOD, [ libkmod >= 14 ],
[AC_DEFINE(HAVE_KMOD, 1, [Define if kmod is available]) have_kmod=yes],
AC_MSG_ERROR([*** kmod out-of-date, try --disable-kmod]))
],
have_kmod=no)
if test "x$have_kmod" = xno -a "x$enable_kmod" = xyes; then
AC_MSG_ERROR([*** kmod support requested but libraries not found])
AC_MSG_ERROR([*** kmod support requested, but libraries not found])
fi
fi
AM_CONDITIONAL(HAVE_KMOD, [test "$have_kmod" = "yes"])