summary refs log tree commit diff
path: root/sysdeps/x86/configure
blob: b1ff2812497151cc8ca14b40798bab6a2878f722 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
# This file is generated from configure.ac by Autoconf.  DO NOT EDIT!
 # Local configure fragment for sysdeps/x86.

if test x"$enable_cet" = xyes; then
  # Check if CET can be enabled.
  { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether CET can be enabled" >&5
$as_echo_n "checking whether CET can be enabled... " >&6; }
if ${libc_cv_x86_cet_available+:} false; then :
  $as_echo_n "(cached) " >&6
else
  cat > conftest.c <<EOF
#if !defined __CET__ || __CET__ != 3
# error CET isn't available.
#endif
EOF
		 if { ac_try='${CC-cc} -c $CFLAGS -fcf-protection -include cet.h conftest.c 1>&5'
  { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
  (eval $ac_try) 2>&5
  ac_status=$?
  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
  test $ac_status = 0; }; }; then
		   libc_cv_x86_cet_available=yes
		 else
		   libc_cv_x86_cet_available=no
		 fi
		 rm -rf conftest*
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_x86_cet_available" >&5
$as_echo "$libc_cv_x86_cet_available" >&6; }
  if test $libc_cv_x86_cet_available = yes; then
    enable_cet=yes
  else
    if test x"$enable_cet" = xdefault; then
      enable_cet=no
    else
      as_fn_error $? "$CC doesn't support CET" "$LINENO" 5
    fi
  fi
fi
if test $enable_cet = yes; then
  # Check if assembler supports CET.
  { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $AS supports CET" >&5
$as_echo_n "checking whether $AS supports CET... " >&6; }
if ${libc_cv_x86_cet_as+:} false; then :
  $as_echo_n "(cached) " >&6
else
  cat > conftest.s <<EOF
	incsspd %ecx
EOF
		 if { ac_try='${CC-cc} -c $CFLAGS conftest.s -o conftest.o 1>&5'
  { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
  (eval $ac_try) 2>&5
  ac_status=$?
  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
  test $ac_status = 0; }; }; then
		   libc_cv_x86_cet_as=yes
		 else
		   libc_cv_x86_cet_as=no
		 fi
		 rm -rf conftest*
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_x86_cet_as" >&5
$as_echo "$libc_cv_x86_cet_as" >&6; }
  if test $libc_cv_x86_cet_as = no; then
    as_fn_error $? "$AS doesn't support CET" "$LINENO" 5
  fi
fi
config_vars="$config_vars
enable-cet = $enable_cet"