kc3-lang/gnulib/m4/selinux-selinux-h.m4

• Show log

  Commit

• Hash : f187e34f
  Author :
  Date : 2023-04-24T01:57:33
  

  Improve quoting of AS_HELP_STRING's first argument.
  
  * m4/acl.m4 (gl_FUNC_ACL_ARG): Don't underquote AS_HELP_STRING's first
  argument.
  * m4/assert.m4 (gl_ASSERT): Likewise.
  * m4/gc.m4 (gl_GC): Likewise.
  * m4/gnulib-common.m4 (gl_COMMON_BODY): Likewise.
  * m4/ld-version-script.m4 (gl_LD_VERSION_SCRIPT): Likewise.
  * m4/lib-ld.m4 (AC_LIB_PROG_LD): Likewise.
  * m4/libgmp.m4 (gl_LIBGMP): Likewise.
  * m4/regex.m4 (gl_REGEX): Likewise.
  * m4/relocatable-lib.m4 (gl_RELOCATABLE_NOP): Likewise.
  * m4/selinux-selinux-h.m4 (gl_LIBSELINUX): Likewise.
  * m4/sigsegv.m4 (gl_SIGSEGV): Likewise.
  * m4/threadlib.m4 (gl_THREADLIB_EARLY_BODY): Likewise.
  * m4/valgrind-tests.m4 (gl_VALGRIND_TESTS): Likewise.
  * m4/version-etc.m4 (gl_VERSION_ETC_FLAG): Likewise.
  * m4/xattr.m4 (gl_FUNC_XATTR): Likewise.
  * doc/manywarnings.texi (manywarnings): Likewise. This avoids the use of
  quadrigraphs.
  

Download

• m4/selinux-selinux-h.m4

• # serial 7   -*- Autoconf -*-
  # Copyright (C) 2006-2007, 2009-2023 Free Software Foundation, Inc.
  # This file is free software; the Free Software Foundation
  # gives unlimited permission to copy and/or distribute it,
  # with or without modifications, as long as this notice is preserved.
  
  # From Jim Meyering
  # Provide <selinux/selinux.h>, if necessary.
  # If it is already present, provide wrapper functions to guard against
  # misbehavior from getfilecon, lgetfilecon, and fgetfilecon.
  
  AC_DEFUN([gl_HEADERS_SELINUX_SELINUX_H],
  [
    AC_REQUIRE([gl_LIBSELINUX])
    if test "$with_selinux" != no; then
      AC_CHECK_HEADERS([selinux/selinux.h])
  
      if test $ac_cv_header_selinux_selinux_h = yes; then
        HAVE_SELINUX_SELINUX_H=1
      else
        HAVE_SELINUX_SELINUX_H=0
      fi
  
      if test "$ac_cv_header_selinux_selinux_h" = yes; then
        # We do have <selinux/selinux.h>, so do compile getfilecon.c
        # and arrange to use its wrappers.
        gl_CHECK_NEXT_HEADERS([selinux/selinux.h])
        AC_DEFINE([getfilecon], [rpl_getfilecon],
                  [Always use our getfilecon wrapper.])
        AC_DEFINE([lgetfilecon], [rpl_lgetfilecon],
                  [Always use our lgetfilecon wrapper.])
        AC_DEFINE([fgetfilecon], [rpl_fgetfilecon],
                  [Always use our fgetfilecon wrapper.])
      fi
  
      case "$ac_cv_search_setfilecon:$ac_cv_header_selinux_selinux_h" in
        no:*) # already warned
          ;;
        *:no)
          AC_MSG_WARN([libselinux was found but selinux/selinux.h is missing.])
          AC_MSG_WARN([AC_PACKAGE_NAME will be compiled without SELinux support.])
      esac
    else
      # Do as if <selinux/selinux.h> does not exist, even if
      # AC_CHECK_HEADERS_ONCE has already determined that it exists.
      HAVE_SELINUX_SELINUX_H=0
    fi
    AC_SUBST([HAVE_SELINUX_SELINUX_H])
  ])
  
  AC_DEFUN([gl_LIBSELINUX],
  [
    AC_REQUIRE([AC_CANONICAL_HOST])
    AC_REQUIRE([AC_CANONICAL_BUILD])
  
    AC_ARG_WITH([selinux],
      AS_HELP_STRING([[--without-selinux]], [do not use SELinux, even on systems with SELinux]),
      [], [with_selinux=maybe])
  
    LIB_SELINUX=
    if test "$with_selinux" != no; then
      gl_save_LIBS=$LIBS
      AC_SEARCH_LIBS([setfilecon], [selinux],
                     [test "$ac_cv_search_setfilecon" = "none required" ||
                      LIB_SELINUX=$ac_cv_search_setfilecon])
      LIBS=$gl_save_LIBS
    fi
    AC_SUBST([LIB_SELINUX])
  
    # Warn if SELinux is found but libselinux is absent;
    if test "$ac_cv_search_setfilecon" = no; then
      if test "$host" = "$build" && test -d /selinux; then
        AC_MSG_WARN([This system supports SELinux but libselinux is missing.])
        AC_MSG_WARN([AC_PACKAGE_NAME will be compiled without SELinux support.])
      fi
      with_selinux=no
    fi
  ])
  

Download