blob: 231e6ff128a57367416d093d7939d8e05601e8ce (
plain)
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
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
|
# This file is generated from configure.ac by Autoconf. DO NOT EDIT!
# Local configure fragment for sysdeps/x86_64.
{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking -mprefer-vector-width=128" >&5
printf %s "checking -mprefer-vector-width=128... " >&6; }
if test ${libc_cv_cc_mprefer_vector_width+y}
then :
printf %s "(cached) " >&6
else case e in #(
e) if { ac_try='${CC-cc} -mprefer-vector-width=128 -xc /dev/null -S -o /dev/null'
{ { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
(eval $ac_try) 2>&5
ac_status=$?
printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
test $ac_status = 0; }; }
then :
libc_cv_cc_mprefer_vector_width=yes
else case e in #(
e) libc_cv_cc_mprefer_vector_width=no ;;
esac
fi
;;
esac
fi
{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $libc_cv_cc_mprefer_vector_width" >&5
printf "%s\n" "$libc_cv_cc_mprefer_vector_width" >&6; }
config_vars="$config_vars
config-cflags-mprefer-vector-width = $libc_cv_cc_mprefer_vector_width"
{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for linker that supports -z mark-plt" >&5
printf %s "checking for linker that supports -z mark-plt... " >&6; }
libc_linker_feature=no
cat > conftest.c <<EOF
int _start (void) { return 42; }
EOF
if { ac_try='${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS $no_ssp
-Wl,-z,mark-plt -nostdlib -nostartfiles
-fPIC -shared -o conftest.so conftest.c
1>&5'
{ { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
(eval $ac_try) 2>&5
ac_status=$?
printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
test $ac_status = 0; }; }
then
if ${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS $no_ssp -Wl,-z,mark-plt -nostdlib \
-nostartfiles -fPIC -shared -o conftest.so conftest.c 2>&1 \
| grep "warning: -z mark-plt ignored" > /dev/null 2>&1; then
true
else
libc_linker_feature=yes
fi
fi
rm -f conftest*
if test $libc_linker_feature = yes; then
libc_cv_z_mark_plt=yes
else
libc_cv_z_mark_plt=no
fi
{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $libc_linker_feature" >&5
printf "%s\n" "$libc_linker_feature" >&6; }
config_vars="$config_vars
have-z-mark-plt = $libc_cv_z_mark_plt"
if test x"$build_mathvec" = xnotset; then
build_mathvec=yes
fi
if test $enable_cet != no; then
# Check if CET can be enabled.
{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether CET can be enabled" >&5
printf %s "checking whether CET can be enabled... " >&6; }
if test ${libc_cv_x86_cet_available+y}
then :
printf %s "(cached) " >&6
else case e in #(
e) cat > conftest.c <<EOF
#if !defined __CET__ || __CET__ != 3
# error CET isn't available.
#endif
EOF
if { ac_try='${CC-cc} -c $CFLAGS -fcf-protection -include cet.h conftest.c 1>&5'
{ { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
(eval $ac_try) 2>&5
ac_status=$?
printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
test $ac_status = 0; }; }; then
libc_cv_x86_cet_available=yes
else
libc_cv_x86_cet_available=no
fi
rm -rf conftest* ;;
esac
fi
{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $libc_cv_x86_cet_available" >&5
printf "%s\n" "$libc_cv_x86_cet_available" >&6; }
if test $libc_cv_x86_cet_available != yes; then
as_fn_error $? "$CC doesn't support CET" "$LINENO" 5
fi
fi
if test $enable_cet != no; then
# Check if assembler supports CET.
{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether assembler supports CET" >&5
printf %s "checking whether assembler supports CET... " >&6; }
if test ${libc_cv_x86_cet_as+y}
then :
printf %s "(cached) " >&6
else case e in #(
e) cat > conftest.s <<EOF
incsspd %ecx
EOF
if { ac_try='${CC-cc} -c $CFLAGS conftest.s -o conftest.o 1>&5'
{ { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
(eval $ac_try) 2>&5
ac_status=$?
printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
test $ac_status = 0; }; }; then
libc_cv_x86_cet_as=yes
else
libc_cv_x86_cet_as=no
fi
rm -rf conftest* ;;
esac
fi
{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $libc_cv_x86_cet_as" >&5
printf "%s\n" "$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
if test $enable_cet = yes; then
printf "%s\n" "#define DEFAULT_DL_X86_CET_CONTROL cet_elf_property" >>confdefs.h
elif test $enable_cet = permissive; then
printf "%s\n" "#define DEFAULT_DL_X86_CET_CONTROL cet_permissive" >>confdefs.h
fi
config_vars="$config_vars
enable-cet = $enable_cet"
# Check if -mamx-tile works properly.
{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether -mamx-tile works properly" >&5
printf %s "checking whether -mamx-tile works properly... " >&6; }
if test ${libc_cv_x86_have_amx_tile+y}
then :
printf %s "(cached) " >&6
else case e in #(
e) cat > conftest.c <<EOF
#include <x86intrin.h>
EOF
libc_cv_x86_have_amx_tile=no
if { ac_try='${CC-cc} -E $CFLAGS -mamx-tile conftest.c > conftest.i'
{ { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
(eval $ac_try) 2>&5
ac_status=$?
printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
test $ac_status = 0; }; }; then
if grep -q __builtin_ia32_ldtilecfg conftest.i; then
libc_cv_x86_have_amx_tile=yes
fi
fi
rm -rf conftest* ;;
esac
fi
{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $libc_cv_x86_have_amx_tile" >&5
printf "%s\n" "$libc_cv_x86_have_amx_tile" >&6; }
config_vars="$config_vars
have-mamx-tile = $libc_cv_x86_have_amx_tile"
# Check if -mapxf is enabled.
{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether -mapxf is enabled" >&5
printf %s "checking whether -mapxf is enabled... " >&6; }
if test ${libc_cv_x86_have_apx+y}
then :
printf %s "(cached) " >&6
else case e in #(
e) cat > conftest.c <<EOF
#ifndef __APX_F__
# error APX isn't enabled
#endif
EOF
libc_cv_x86_have_apx=no
if { ac_try='${CC-cc} -c $CFLAGS conftest.c -o conftest.o 1>&5'
{ { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
(eval $ac_try) 2>&5
ac_status=$?
printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
test $ac_status = 0; }; }; then
libc_cv_x86_have_apx=yes
fi
rm -rf conftest* ;;
esac
fi
{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $libc_cv_x86_have_apx" >&5
printf "%s\n" "$libc_cv_x86_have_apx" >&6; }
if test $libc_cv_x86_have_apx = yes; then
printf "%s\n" "#define HAVE_X86_APX 1" >>confdefs.h
fi
config_vars="$config_vars
have-x86-apx = $libc_cv_x86_have_apx"
test -n "$critic_missing" && as_fn_error $? "
*** $critic_missing" "$LINENO" 5
|
