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# ac_fn_c_check_header_compile LINENO HEADER VAR INCLUDES
# -------------------------------------------------------
# Tests whether HEADER exists and can be compiled using the include files in
# INCLUDES, setting the cache variable VAR accordingly.
ac_fn_c_check_header_compile ()
{
as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
$as_echo_n "checking for $2... " >&6; }
if eval \${$3+:} false; then :
$as_echo_n "(cached) " >&6
else
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
$4
#include <$2>
_ACEOF
if ac_fn_c_try_compile "$LINENO"; then :
eval "$3=yes"
else
eval "$3=no"
fi
rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
fi
eval ac_res=\$$3
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
$as_echo "$ac_res" >&6; }
eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
} # ac_fn_c_check_header_compile
# This file is generated from configure.ac by Autoconf. DO NOT EDIT!
# Local configure fragment for sysdeps/x86_64.
ac_fn_c_check_header_compile "$LINENO" "cpuid.h" "ac_cv_header_cpuid_h" "/* No default includes. */
"
if test "x$ac_cv_header_cpuid_h" = xyes; then :
else
as_fn_error $? "gcc must provide the <cpuid.h> header" "$LINENO" 5
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for AVX512 support in assembler" >&5
$as_echo_n "checking for AVX512 support in assembler... " >&6; }
if ${libc_cv_asm_avx512+:} false; then :
$as_echo_n "(cached) " >&6
else
cat > conftest.s <<\EOF
vmovdqu64 %zmm0, (%rsp)
vandpd (%rax), %zmm6, %zmm1
EOF
if { ac_try='${CC-cc} -c $ASFLAGS conftest.s 1>&5'
{ { eval echo "\"\$as_me\":${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_asm_avx512=yes
else
libc_cv_asm_avx512=no
fi
rm -f conftest*
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_asm_avx512" >&5
$as_echo "$libc_cv_asm_avx512" >&6; }
if test $libc_cv_asm_avx512 == yes; then
$as_echo "#define HAVE_AVX512_ASM_SUPPORT 1" >>confdefs.h
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for AVX512 support" >&5
$as_echo_n "checking for AVX512 support... " >&6; }
if ${libc_cv_cc_avx512+:} false; then :
$as_echo_n "(cached) " >&6
else
if { ac_try='${CC-cc} -mavx512f -xc /dev/null -S -o /dev/null'
{ { 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 $ac_status = 0; }; }; then :
libc_cv_cc_avx512=$libc_cv_asm_avx512
else
libc_cv_cc_avx512=no
fi
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_cc_avx512" >&5
$as_echo "$libc_cv_cc_avx512" >&6; }
if test $libc_cv_cc_avx512 = yes; then
$as_echo "#define HAVE_AVX512_SUPPORT 1" >>confdefs.h
fi
config_vars="$config_vars
config-cflags-avx512 = $libc_cv_cc_avx512"
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for Intel MPX support" >&5
$as_echo_n "checking for Intel MPX support... " >&6; }
if ${libc_cv_asm_mpx+:} false; then :
$as_echo_n "(cached) " >&6
else
cat > conftest.s <<\EOF
bndmov %bnd0,(%rsp)
EOF
if { ac_try='${CC-cc} -c $ASFLAGS conftest.s 1>&5'
{ { eval echo "\"\$as_me\":${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_asm_mpx=yes
else
libc_cv_asm_mpx=no
fi
rm -f conftest*
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_asm_mpx" >&5
$as_echo "$libc_cv_asm_mpx" >&6; }
if test $libc_cv_asm_mpx == yes; then
$as_echo "#define HAVE_MPX_SUPPORT 1" >>confdefs.h
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for AVX2 support" >&5
$as_echo_n "checking for AVX2 support... " >&6; }
if ${libc_cv_cc_avx2+:} false; then :
$as_echo_n "(cached) " >&6
else
if { ac_try='${CC-cc} -mavx2 -xc /dev/null -S -o /dev/null'
{ { 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_cc_avx2=yes
else
libc_cv_cc_avx2=no
fi
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_cc_avx2" >&5
$as_echo "$libc_cv_cc_avx2" >&6; }
if test $libc_cv_cc_avx2 = yes; then
$as_echo "#define HAVE_AVX2_SUPPORT 1" >>confdefs.h
fi
config_vars="$config_vars
config-cflags-avx2 = $libc_cv_cc_avx2"
if test x"$build_mathvec" = xnotset; then
build_mathvec=yes
fi
$as_echo "#define PI_STATIC_AND_HIDDEN 1" >>confdefs.h
# work around problem with autoconf and empty lines at the end of files
|
