| # libcap-ng.m4 - Checks for the libcap-ng support |
| # Copyright (c) 2009 Steve Grubb sgrubb@redhat.com |
| # |
| AC_DEFUN([LIBCAP_NG_PATH], |
| [ |
| AC_ARG_WITH(libcap-ng, |
| [ --with-libcap-ng=[auto/yes/no] Add Libcap-ng support [default=auto]],, |
| with_libcap_ng=auto) |
| |
| # Check for Libcap-ng API |
| # |
| # libcap-ng detection |
| |
| if test x$with_libcap_ng = xno ; then |
| have_libcap_ng=no; |
| else |
| # Start by checking for header file |
| AC_CHECK_HEADER(cap-ng.h, capng_headers=yes, capng_headers=no) |
| |
| # See if we have libcap-ng library |
| AC_CHECK_LIB(cap-ng, capng_clear, |
| CAPNG_LDADD=-lcap-ng,) |
| |
| # Check results are usable |
| if test x$with_libcap_ng = xyes -a x$CAPNG_LDADD = x ; then |
| AC_MSG_ERROR(libcap-ng support was requested and the library was not found) |
| fi |
| if test x$CAPNG_LDADD != x -a $capng_headers = no ; then |
| AC_MSG_ERROR(libcap-ng libraries found but headers are missing) |
| fi |
| fi |
| AC_SUBST(CAPNG_LDADD) |
| AC_MSG_CHECKING(whether to use libcap-ng) |
| if test x$CAPNG_LDADD != x ; then |
| AC_DEFINE(HAVE_LIBCAP_NG,1,[libcap-ng support]) |
| AC_MSG_RESULT(yes) |
| else |
| AC_MSG_RESULT(no) |
| fi |
| ]) |
