-PKG_CHECK_MODULES( CGROUP, [ libcgroup >= 0.35 ], [], [
- AC_CHECK_HEADER( [libcgroup.h], [], [AC_MSG_ERROR([*** libcgroup.h not found])], )
- save_CPPFLAGS="$CPPFLAGS"
- save_LIBS="$LIBS"
- CGROUP_LIBS=${CGROUP_LIBS:--lcgroup}
- LIBS="$LIBS $CGROUP_LIBS"
- CPPFLAGS="$CPPFLAGS $CGROUP_CFLAGS"
- AC_MSG_CHECKING([for libcgroup >= 0.35])
- AC_LINK_IFELSE(
- [AC_LANG_PROGRAM([[#include <libcgroup.h>]], [[ CGFLAG_DELETE_RECURSIVE; cgroup_init(); ]])],
- [AC_MSG_RESULT([yes])],
- [AC_MSG_RESULT([no]); AC_MSG_ERROR([*** systemd needs libcgroup 0.35 or newer])],
- [${CGROUP_LIBS}])
- CPPFLAGS="$save_CPPFLAGS"
- LIBS="$save_LIBS"
-])
-AC_SUBST(CGROUP_CFLAGS)
-AC_SUBST(CGROUP_LIBS)
-