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5ea3a690a2
Yet again, selinux has been adding const-correctness; this change
is ABI-compatible, but breaks API, which affects us when we try to
override things in our testsuite:
../../tests/securityselinuxhelper.c:307:24: error: conflicting types for 'selabel_open'
struct selabel_handle *selabel_open(unsigned int backend,
^~~~~~~~~~~~
In file included from ../../tests/securityselinuxhelper.c:32:0:
/usr/include/selinux/label.h:73:24: note: previous declaration of 'selabel_open' was here
The problem is a new 'const' prior to the second parameter.
Fix it the same way we did in commit 292d3f2d: check for the new
const at configure time.
Signed-off-by: Eric Blake <eblake@redhat.com>
82 lines
2.9 KiB
Plaintext
82 lines
2.9 KiB
Plaintext
dnl The libselinux.so library
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dnl
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dnl Copyright (C) 2012-2014, 2016 Red Hat, Inc.
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dnl
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dnl This library is free software; you can redistribute it and/or
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dnl modify it under the terms of the GNU Lesser General Public
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dnl License as published by the Free Software Foundation; either
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dnl version 2.1 of the License, or (at your option) any later version.
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dnl
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dnl This library is distributed in the hope that it will be useful,
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dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
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dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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dnl Lesser General Public License for more details.
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dnl
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dnl You should have received a copy of the GNU Lesser General Public
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dnl License along with this library. If not, see
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dnl <http://www.gnu.org/licenses/>.
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dnl
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AC_DEFUN([LIBVIRT_CHECK_SELINUX],[
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LIBVIRT_CHECK_LIB([SELINUX], [selinux],
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[fgetfilecon_raw], [selinux/selinux.h])
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AC_ARG_WITH([selinux_mount],
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[AS_HELP_STRING([--with-selinux-mount],
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[set SELinux mount point @<:@default=check@:>@])],
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[],
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[with_selinux_mount=check])
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if test "$with_selinux" = "yes"; then
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# libselinux changed signatures between 2.2 and 2.3
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AC_CACHE_CHECK([for selinux setcon parameter type], [lv_cv_setcon_const],
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[AC_COMPILE_IFELSE(
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[AC_LANG_PROGRAM(
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[[
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#include <selinux/selinux.h>
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int setcon(char *context);
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]])],
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[lv_cv_setcon_const=''],
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[lv_cv_setcon_const='const'])])
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AC_DEFINE_UNQUOTED([VIR_SELINUX_CTX_CONST], [$lv_cv_setcon_const],
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[Define to empty or 'const' depending on how SELinux qualifies its
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security context parameters])
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# ...and again for 2.5
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AC_CACHE_CHECK([for selinux selabel_open parameter type],
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[lv_cv_selabel_open_const],
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[AC_COMPILE_IFELSE(
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[AC_LANG_PROGRAM(
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[[
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#include <selinux/selinux.h>
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#include <selinux/label.h>
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struct selabel_handle *selabel_open(unsigned, struct selinux_opt *, unsigned);
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]])],
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[lv_cv_selabel_open_const=''],
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[lv_cv_selabel_open_const='const'])])
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AC_DEFINE_UNQUOTED([VIR_SELINUX_OPEN_CONST], [$lv_cv_selabel_open_const],
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[Define to empty or 'const' depending on how SELinux qualifies its
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selabel_open parameter])
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AC_MSG_CHECKING([SELinux mount point])
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if test "$with_selinux_mount" = "check" || test -z "$with_selinux_mount"; then
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if test -d /sys/fs/selinux ; then
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SELINUX_MOUNT=/sys/fs/selinux
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else
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SELINUX_MOUNT=/selinux
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fi
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else
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SELINUX_MOUNT=$with_selinux_mount
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fi
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AC_MSG_RESULT([$SELINUX_MOUNT])
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AC_DEFINE_UNQUOTED([SELINUX_MOUNT], ["$SELINUX_MOUNT"], [SELinux mount point])
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dnl We prefer to use <selinux/label.h> and selabel_open, but can fall
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dnl back to matchpathcon for the sake of RHEL 5's version of libselinux.
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AC_CHECK_HEADERS([selinux/label.h])
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fi
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])
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AC_DEFUN([LIBVIRT_RESULT_SELINUX],[
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LIBVIRT_RESULT_LIB([SELINUX])
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])
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