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#!/usr/bin/m4
#
# Copyright (c) 2020 The strace developers.
# All rights reserved.
#
# SPDX-License-Identifier: LGPL-2.1-or-later
AC_DEFUN([st_SELINUX], [dnl
libselinux_CPPFLAGS=
libselinux_LDFLAGS=
libselinux_LIBS=
enable_secontext=no
AC_ARG_WITH([libselinux],
[AS_HELP_STRING([--with-libselinux],
[use libselinux to collect security contexts])],
[case "${withval}" in
yes|no|check) ;;
*) with_libselinux=yes
libselinux_CPPFLAGS="-I${withval}/include"
libselinux_LDFLAGS="-L${withval}/lib" ;;
esac],
[with_libselinux=check]
)
AS_IF([test "x$with_libselinux" != xno],
[saved_CPPFLAGS="$CPPFLAGS"
CPPFLAGS="$CPPFLAGS $libselinux_CPPFLAGS"
found_selinux_h=no
AC_CHECK_HEADERS([selinux/selinux.h],
[found_selinux_h=yes])
CPPFLAGS="$saved_CPPFLAGS"
AS_IF([test "x$found_selinux_h" = xyes],
[saved_LDFLAGS="$LDFLAGS"
LDFLAGS="$LDFLAGS $libselinux_LDFLAGS"
missing=
for func in getpidcon getfilecon; do
AC_CHECK_LIB([selinux], [$func], [:],
[missing="$missing $func"])
done
AS_IF([test "x$missing" = x],
[libselinux_LIBS="-lselinux"
enable_secontext=yes
],
[AS_IF([test "x$with_libselinux" != xcheck],
[AC_MSG_FAILURE([failed to find in libselinux:$missing])]
)
]
)
LDFLAGS="$saved_LDFLAGS"
],
[AS_IF([test "x$with_libselinux" != xcheck],
[AC_MSG_FAILURE([failed to find selinux.h])]
)
]
)
]
)
AC_MSG_CHECKING([whether to enable security contexts support])
AS_IF([test "x$enable_secontext" = xyes],
[AC_DEFINE([ENABLE_SECONTEXT], [1],
[Define to enable SELinux security contexts support])
AC_DEFINE([HAVE_SELINUX_RUNTIME], [1],
[Define to enable SELinux security contexts testing])
AC_SUBST(libselinux_LIBS)
AC_SUBST(libselinux_LDFLAGS)
AC_SUBST(libselinux_CPPFLAGS)
AC_MSG_RESULT([yes])],
[AC_MSG_RESULT([no])])
AM_CONDITIONAL([ENABLE_SECONTEXT], [test "x$enable_secontext" = xyes])
AM_CONDITIONAL([HAVE_SELINUX_RUNTIME], [test "x$enable_secontext" = xyes])
])
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