1
# The i386 fragment also works for x86_64.
3
. $srcdir/sysdeps/i386/configure
2
# as_fn_set_status STATUS
3
# -----------------------
4
# Set $? to STATUS, without forking.
12
# Exit the shell with STATUS, even in a "trap 0" or "set -e" context.
19
if expr a : '\(a\)' >/dev/null 2>&1 &&
20
test "X`expr 00001 : '.*\(...\)'`" = X001; then
26
if (basename -- /) >/dev/null 2>&1 && test "X`basename -- / 2>&1`" = "X/"; then
32
as_me=`$as_basename -- "$0" ||
33
$as_expr X/"$0" : '.*/\([^/][^/]*\)/*$' \| \
34
X"$0" : 'X\(//\)$' \| \
35
X"$0" : 'X\(/\)' \| . 2>/dev/null ||
37
sed '/^.*\/\([^/][^/]*\)\/*$/{
52
as_lineno_1=$LINENO as_lineno_1a=$LINENO
53
as_lineno_2=$LINENO as_lineno_2a=$LINENO
54
eval 'test "x$as_lineno_1'$as_run'" != "x$as_lineno_2'$as_run'" &&
55
test "x`expr $as_lineno_1'$as_run' + 1`" = "x$as_lineno_2'$as_run'"' || {
56
# Blame Lee E. McMahon (1931-1989) for sed's syntax. :-)
68
s/[$]LINENO\([^'$as_cr_alnum'_].*\n\)\(.*\)/\2\1\2/
72
chmod +x "$as_me.lineno" ||
73
{ $as_echo "$as_me: error: cannot create $as_me.lineno; rerun with a POSIX shell" >&2; as_fn_exit 1; }
75
# Don't try to exec as it changes $[0], causing all sort of problems
76
# (the dirname of $[0] is not the place where we might find the
77
# original and so on. Autoconf is especially sensitive to this).
79
# Exit status is that of the last command.
84
# ac_fn_c_try_compile LINENO
85
# --------------------------
86
# Try to compile conftest.$ac_ext, and return whether this succeeded.
87
ac_fn_c_try_compile ()
89
as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
90
rm -f conftest.$ac_objext
91
if { { ac_try="$ac_compile"
93
*\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
94
*) ac_try_echo=$ac_try;;
96
eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
97
$as_echo "$ac_try_echo"; } >&5
98
(eval "$ac_compile") 2>conftest.err
100
if test -s conftest.err; then
101
grep -v '^ *+' conftest.err >conftest.er1
103
mv -f conftest.er1 conftest.err
105
$as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
106
test $ac_status = 0; } && {
107
test -z "$ac_c_werror_flag" ||
108
test ! -s conftest.err
109
} && test -s conftest.$ac_objext; then :
112
$as_echo "$as_me: failed program was:" >&5
113
sed 's/^/| /' conftest.$ac_ext >&5
117
eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
118
as_fn_set_status $ac_retval
120
} # ac_fn_c_try_compile
122
# ac_fn_c_check_header_compile LINENO HEADER VAR INCLUDES
123
# -------------------------------------------------------
124
# Tests whether HEADER exists and can be compiled using the include files in
125
# INCLUDES, setting the cache variable VAR accordingly.
126
ac_fn_c_check_header_compile ()
128
as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
129
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
130
$as_echo_n "checking for $2... " >&6; }
131
if eval \${$3+:} false; then :
132
$as_echo_n "(cached) " >&6
134
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
135
/* end confdefs.h. */
139
if ac_fn_c_try_compile "$LINENO"; then :
144
rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
147
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
148
$as_echo "$ac_res" >&6; }
149
eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
151
} # ac_fn_c_check_header_compile
152
# This file is generated from configure.in by Autoconf. DO NOT EDIT!
153
# Local configure fragment for sysdeps/x86_64.
156
ac_fn_c_check_header_compile "$LINENO" "cpuid.h" "ac_cv_header_cpuid_h" "/* No default includes. */
158
if test "x$ac_cv_header_cpuid_h" = xyes; then :
161
as_fn_error $? "gcc must provide the <cpuid.h> header" "$LINENO" 5
166
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking if -g produces usable source locations for assembler-with-cpp" >&5
167
$as_echo_n "checking if -g produces usable source locations for assembler-with-cpp... " >&6; }
168
if ${libc_cv_cpp_asm_debuginfo+:} false; then :
169
$as_echo_n "(cached) " >&6
171
cat > conftest.S <<EOF
172
#include "confdefs.h"
177
${libc_cv_asm_global_directive} foo
179
/* Unfortunately this test only works for a real instruction,
180
not for any of the machine-independent pseudo-ops.
181
So we just have to assume everybody has a "nop". */
188
if { ac_try='${CC-cc} $CPPFLAGS $ASFLAGS -g -c conftest.S 1>&5'
189
{ { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
192
$as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
193
test $ac_status = 0; }; } && {
194
ac_pattern='conftest\.S'
195
{ ac_try='readelf --debug-dump=line conftest.o |
196
grep $ac_pattern 1>&5'
197
{ { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
200
$as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
201
test $ac_status = 0; }; }
203
libc_cv_cpp_asm_debuginfo=yes
205
libc_cv_cpp_asm_debuginfo=no
209
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_cpp_asm_debuginfo" >&5
210
$as_echo "$libc_cv_cpp_asm_debuginfo" >&6; }
211
if test $libc_cv_cpp_asm_debuginfo = yes; then
212
$as_echo "#define HAVE_CPP_ASM_DEBUGINFO 1" >>confdefs.h
216
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for SSE4 support" >&5
217
$as_echo_n "checking for SSE4 support... " >&6; }
218
if ${libc_cv_cc_sse4+:} false; then :
219
$as_echo_n "(cached) " >&6
221
if { ac_try='${CC-cc} -msse4 -xc /dev/null -S -o /dev/null'
222
{ { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
225
$as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
226
test $ac_status = 0; }; }; then :
233
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_cc_sse4" >&5
234
$as_echo "$libc_cv_cc_sse4" >&6; }
235
if test $libc_cv_cc_sse4 = yes; then
236
$as_echo "#define HAVE_SSE4_SUPPORT 1" >>confdefs.h
240
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for AVX support" >&5
241
$as_echo_n "checking for AVX support... " >&6; }
242
if ${libc_cv_cc_avx+:} false; then :
243
$as_echo_n "(cached) " >&6
245
if { ac_try='${CC-cc} -mavx -xc /dev/null -S -o /dev/null'
246
{ { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
249
$as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
250
test $ac_status = 0; }; }; then :
257
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_cc_avx" >&5
258
$as_echo "$libc_cv_cc_avx" >&6; }
259
if test $libc_cv_cc_avx = yes; then
260
$as_echo "#define HAVE_AVX_SUPPORT 1" >>confdefs.h
264
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for AVX encoding of SSE instructions" >&5
265
$as_echo_n "checking for AVX encoding of SSE instructions... " >&6; }
266
if ${libc_cv_cc_sse2avx+:} false; then :
267
$as_echo_n "(cached) " >&6
269
if { ac_try='${CC-cc} -msse2avx -xc /dev/null -S -o /dev/null'
270
{ { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
273
$as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
274
test $ac_status = 0; }; }; then :
275
libc_cv_cc_sse2avx=yes
277
libc_cv_cc_sse2avx=no
281
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_cc_sse2avx" >&5
282
$as_echo "$libc_cv_cc_sse2avx" >&6; }
283
if test $libc_cv_cc_sse2avx = yes; then
284
$as_echo "#define HAVE_SSE2AVX_SUPPORT 1" >>confdefs.h
288
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for FMA4 support" >&5
289
$as_echo_n "checking for FMA4 support... " >&6; }
290
if ${libc_cv_cc_fma4+:} false; then :
291
$as_echo_n "(cached) " >&6
293
if { ac_try='${CC-cc} -mfma4 -xc /dev/null -S -o /dev/null'
294
{ { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
297
$as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
298
test $ac_status = 0; }; }; then :
305
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_cc_fma4" >&5
306
$as_echo "$libc_cv_cc_fma4" >&6; }
307
if test $libc_cv_cc_fma4 = yes; then
308
$as_echo "#define HAVE_FMA4_SUPPORT 1" >>confdefs.h
312
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for -mno-vzeroupper support" >&5
313
$as_echo_n "checking for -mno-vzeroupper support... " >&6; }
314
if ${libc_cv_cc_novzeroupper+:} false; then :
315
$as_echo_n "(cached) " >&6
317
if { ac_try='${CC-cc} -mno-vzeroupper -xc /dev/null -S -o /dev/null'
318
{ { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
321
$as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
322
test $ac_status = 0; }; }; then :
323
libc_cv_cc_novzeroupper=yes
325
libc_cv_cc_novzeroupper=no
329
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_cc_novzeroupper" >&5
330
$as_echo "$libc_cv_cc_novzeroupper" >&6; }
332
# Check for support of thread-local storage handling in assembler and linker.
333
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for x86-64 TLS support" >&5
334
$as_echo_n "checking for x86-64 TLS support... " >&6; }
335
if ${libc_cv_x86_64_tls+:} false; then :
336
$as_echo_n "(cached) " >&6
338
cat > conftest.s <<\EOF
339
.section ".tdata", "awT", @progbits
342
.section ".tbss", "awT", @nobits
346
baz: leaq bar@TLSLD(%rip), %rdi
347
leaq bar@DTPOFF(%rax), %rcx
348
addq foo@GOTTPOFF(%rip), %rax
349
movq $bar@TPOFF, %rdx
351
if { ac_try='${CC-cc} -c $CFLAGS conftest.s 1>&5'
352
{ { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
355
$as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
356
test $ac_status = 0; }; }; then
357
libc_cv_x86_64_tls=yes
359
libc_cv_x86_64_tls=no
363
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_x86_64_tls" >&5
364
$as_echo "$libc_cv_x86_64_tls" >&6; }
365
if test $libc_cv_x86_64_tls = no; then
366
as_fn_error $? "the assembler must support TLS" "$LINENO" 5
369
$as_echo "#define PI_STATIC_AND_HIDDEN 1" >>confdefs.h
371
# work around problem with autoconf and empty lines at the end of files