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glibc/sysdeps/x86_64/configure
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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 SSE4 support" >&5 | |
$as_echo_n "checking for SSE4 support... " >&6; } | |
if ${libc_cv_cc_sse4+:} false; then : | |
$as_echo_n "(cached) " >&6 | |
else | |
if { ac_try='${CC-cc} -msse4 -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_sse4=yes | |
else | |
libc_cv_cc_sse4=no | |
fi | |
fi | |
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_cc_sse4" >&5 | |
$as_echo "$libc_cv_cc_sse4" >&6; } | |
if test $libc_cv_cc_sse4 = yes; then | |
$as_echo "#define HAVE_SSE4_SUPPORT 1" >>confdefs.h | |
fi | |
config_vars="$config_vars | |
config-cflags-sse4 = $libc_cv_cc_sse4" | |
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for AVX support" >&5 | |
$as_echo_n "checking for AVX support... " >&6; } | |
if ${libc_cv_cc_avx+:} false; then : | |
$as_echo_n "(cached) " >&6 | |
else | |
if { ac_try='${CC-cc} -mavx -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_avx=yes | |
else | |
libc_cv_cc_avx=no | |
fi | |
fi | |
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_cc_avx" >&5 | |
$as_echo "$libc_cv_cc_avx" >&6; } | |
if test $libc_cv_cc_avx = yes; then | |
$as_echo "#define HAVE_AVX_SUPPORT 1" >>confdefs.h | |
fi | |
config_vars="$config_vars | |
config-cflags-avx = $libc_cv_cc_avx" | |
{ $as_echo "$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=yes | |
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 AVX512 support in assembler" >&5 | |
$as_echo_n "checking for AVX512 support in assembler... " >&6; } | |
if ${libc_cv_asm_avx512+:} false; then : | |
$as_echo_n "(cached) " >&6 | |
else | |
cat > conftest.s <<\EOF | |
vmovdqu64 %zmm0, (%rsp) | |
EOF | |
if { ac_try='${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 AVX encoding of SSE instructions" >&5 | |
$as_echo_n "checking for AVX encoding of SSE instructions... " >&6; } | |
if ${libc_cv_cc_sse2avx+:} false; then : | |
$as_echo_n "(cached) " >&6 | |
else | |
if { ac_try='${CC-cc} -msse2avx -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_sse2avx=yes | |
else | |
libc_cv_cc_sse2avx=no | |
fi | |
fi | |
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_cc_sse2avx" >&5 | |
$as_echo "$libc_cv_cc_sse2avx" >&6; } | |
if test $libc_cv_cc_sse2avx = yes; then | |
$as_echo "#define HAVE_SSE2AVX_SUPPORT 1" >>confdefs.h | |
fi | |
config_vars="$config_vars | |
config-cflags-sse2avx = $libc_cv_cc_sse2avx" | |
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for FMA4 support" >&5 | |
$as_echo_n "checking for FMA4 support... " >&6; } | |
if ${libc_cv_cc_fma4+:} false; then : | |
$as_echo_n "(cached) " >&6 | |
else | |
if { ac_try='${CC-cc} -mfma4 -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_fma4=yes | |
else | |
libc_cv_cc_fma4=no | |
fi | |
fi | |
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_cc_fma4" >&5 | |
$as_echo "$libc_cv_cc_fma4" >&6; } | |
if test $libc_cv_cc_fma4 = yes; then | |
$as_echo "#define HAVE_FMA4_SUPPORT 1" >>confdefs.h | |
fi | |
config_vars="$config_vars | |
have-mfma4 = $libc_cv_cc_fma4" | |
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for -mno-vzeroupper support" >&5 | |
$as_echo_n "checking for -mno-vzeroupper support... " >&6; } | |
if ${libc_cv_cc_novzeroupper+:} false; then : | |
$as_echo_n "(cached) " >&6 | |
else | |
if { ac_try='${CC-cc} -mno-vzeroupper -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_novzeroupper=yes | |
else | |
libc_cv_cc_novzeroupper=no | |
fi | |
fi | |
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_cc_novzeroupper" >&5 | |
$as_echo "$libc_cv_cc_novzeroupper" >&6; } | |
config_vars="$config_vars | |
config-cflags-novzeroupper = $libc_cv_cc_novzeroupper" | |
$as_echo "#define PI_STATIC_AND_HIDDEN 1" >>confdefs.h | |
# work around problem with autoconf and empty lines at the end of files |