mirror of
https://sourceware.org/git/glibc.git
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ca98e1710e
Pretty sure we require recent enough versions of gcc/binutils to make this check pointless. I can't any logs in the last few years where this check didn't return "yes". Signed-off-by: Mike Frysinger <vapier@gentoo.org>
289 lines
8.1 KiB
Plaintext
289 lines
8.1 KiB
Plaintext
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# as_fn_set_status STATUS
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# -----------------------
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# Set $? to STATUS, without forking.
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as_fn_set_status ()
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{
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return $1
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} # as_fn_set_status
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# as_fn_exit STATUS
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# -----------------
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# Exit the shell with STATUS, even in a "trap 0" or "set -e" context.
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as_fn_exit ()
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{
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set +e
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as_fn_set_status $1
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exit $1
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} # as_fn_exit
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if expr a : '\(a\)' >/dev/null 2>&1 &&
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test "X`expr 00001 : '.*\(...\)'`" = X001; then
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as_expr=expr
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else
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as_expr=false
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fi
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if (basename -- /) >/dev/null 2>&1 && test "X`basename -- / 2>&1`" = "X/"; then
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as_basename=basename
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else
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as_basename=false
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fi
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as_me=`$as_basename -- "$0" ||
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$as_expr X/"$0" : '.*/\([^/][^/]*\)/*$' \| \
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X"$0" : 'X\(//\)$' \| \
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X"$0" : 'X\(/\)' \| . 2>/dev/null ||
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$as_echo X/"$0" |
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sed '/^.*\/\([^/][^/]*\)\/*$/{
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s//\1/
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q
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}
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/^X\/\(\/\/\)$/{
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s//\1/
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q
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}
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/^X\/\(\/\).*/{
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s//\1/
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q
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}
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s/.*/./; q'`
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as_lineno_1=$LINENO as_lineno_1a=$LINENO
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as_lineno_2=$LINENO as_lineno_2a=$LINENO
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eval 'test "x$as_lineno_1'$as_run'" != "x$as_lineno_2'$as_run'" &&
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test "x`expr $as_lineno_1'$as_run' + 1`" = "x$as_lineno_2'$as_run'"' || {
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# Blame Lee E. McMahon (1931-1989) for sed's syntax. :-)
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sed -n '
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p
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/[$]LINENO/=
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' <$as_myself |
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sed '
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s/[$]LINENO.*/&-/
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t lineno
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b
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:lineno
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N
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:loop
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s/[$]LINENO\([^'$as_cr_alnum'_].*\n\)\(.*\)/\2\1\2/
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t loop
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s/-\n.*//
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' >$as_me.lineno &&
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chmod +x "$as_me.lineno" ||
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{ $as_echo "$as_me: error: cannot create $as_me.lineno; rerun with a POSIX shell" >&2; as_fn_exit 1; }
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# If we had to re-execute with $CONFIG_SHELL, we're ensured to have
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# already done that, so ensure we don't try to do so again and fall
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# in an infinite loop. This has already happened in practice.
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_as_can_reexec=no; export _as_can_reexec
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# Don't try to exec as it changes $[0], causing all sort of problems
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# (the dirname of $[0] is not the place where we might find the
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# original and so on. Autoconf is especially sensitive to this).
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. "./$as_me.lineno"
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# Exit status is that of the last command.
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exit
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}
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# ac_fn_c_try_compile LINENO
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# --------------------------
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# Try to compile conftest.$ac_ext, and return whether this succeeded.
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ac_fn_c_try_compile ()
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{
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as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
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rm -f conftest.$ac_objext
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if { { ac_try="$ac_compile"
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case "(($ac_try" in
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*\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
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*) ac_try_echo=$ac_try;;
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esac
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eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
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$as_echo "$ac_try_echo"; } >&5
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(eval "$ac_compile") 2>conftest.err
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ac_status=$?
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if test -s conftest.err; then
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grep -v '^ *+' conftest.err >conftest.er1
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cat conftest.er1 >&5
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mv -f conftest.er1 conftest.err
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fi
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$as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
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test $ac_status = 0; } && {
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test -z "$ac_c_werror_flag" ||
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test ! -s conftest.err
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} && test -s conftest.$ac_objext; then :
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ac_retval=0
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else
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$as_echo "$as_me: failed program was:" >&5
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sed 's/^/| /' conftest.$ac_ext >&5
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ac_retval=1
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fi
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eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
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as_fn_set_status $ac_retval
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} # ac_fn_c_try_compile
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# ac_fn_c_check_header_compile LINENO HEADER VAR INCLUDES
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# -------------------------------------------------------
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# Tests whether HEADER exists and can be compiled using the include files in
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# INCLUDES, setting the cache variable VAR accordingly.
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ac_fn_c_check_header_compile ()
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{
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as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
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{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
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$as_echo_n "checking for $2... " >&6; }
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if eval \${$3+:} false; then :
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$as_echo_n "(cached) " >&6
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else
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cat confdefs.h - <<_ACEOF >conftest.$ac_ext
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/* end confdefs.h. */
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$4
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#include <$2>
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_ACEOF
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if ac_fn_c_try_compile "$LINENO"; then :
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eval "$3=yes"
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else
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eval "$3=no"
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fi
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rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
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fi
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eval ac_res=\$$3
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{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
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$as_echo "$ac_res" >&6; }
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eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
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} # ac_fn_c_check_header_compile
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# This file is generated from configure.in by Autoconf. DO NOT EDIT!
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# Local configure fragment for sysdeps/x86_64.
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ac_fn_c_check_header_compile "$LINENO" "cpuid.h" "ac_cv_header_cpuid_h" "/* No default includes. */
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"
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if test "x$ac_cv_header_cpuid_h" = xyes; then :
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else
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as_fn_error $? "gcc must provide the <cpuid.h> header" "$LINENO" 5
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fi
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{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for SSE4 support" >&5
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$as_echo_n "checking for SSE4 support... " >&6; }
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if ${libc_cv_cc_sse4+:} false; then :
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$as_echo_n "(cached) " >&6
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else
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if { ac_try='${CC-cc} -msse4 -xc /dev/null -S -o /dev/null'
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{ { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
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(eval $ac_try) 2>&5
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ac_status=$?
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$as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
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test $ac_status = 0; }; }; then :
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libc_cv_cc_sse4=yes
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else
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libc_cv_cc_sse4=no
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fi
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fi
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{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_cc_sse4" >&5
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$as_echo "$libc_cv_cc_sse4" >&6; }
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if test $libc_cv_cc_sse4 = yes; then
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$as_echo "#define HAVE_SSE4_SUPPORT 1" >>confdefs.h
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fi
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{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for AVX support" >&5
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$as_echo_n "checking for AVX support... " >&6; }
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if ${libc_cv_cc_avx+:} false; then :
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$as_echo_n "(cached) " >&6
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else
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if { ac_try='${CC-cc} -mavx -xc /dev/null -S -o /dev/null'
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{ { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
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(eval $ac_try) 2>&5
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ac_status=$?
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$as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
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test $ac_status = 0; }; }; then :
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libc_cv_cc_avx=yes
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else
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libc_cv_cc_avx=no
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fi
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fi
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{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_cc_avx" >&5
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$as_echo "$libc_cv_cc_avx" >&6; }
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if test $libc_cv_cc_avx = yes; then
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$as_echo "#define HAVE_AVX_SUPPORT 1" >>confdefs.h
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fi
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{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for AVX encoding of SSE instructions" >&5
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$as_echo_n "checking for AVX encoding of SSE instructions... " >&6; }
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if ${libc_cv_cc_sse2avx+:} false; then :
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$as_echo_n "(cached) " >&6
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else
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if { ac_try='${CC-cc} -msse2avx -xc /dev/null -S -o /dev/null'
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{ { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
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(eval $ac_try) 2>&5
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ac_status=$?
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$as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
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test $ac_status = 0; }; }; then :
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libc_cv_cc_sse2avx=yes
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else
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libc_cv_cc_sse2avx=no
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fi
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fi
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{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_cc_sse2avx" >&5
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$as_echo "$libc_cv_cc_sse2avx" >&6; }
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if test $libc_cv_cc_sse2avx = yes; then
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$as_echo "#define HAVE_SSE2AVX_SUPPORT 1" >>confdefs.h
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fi
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{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for FMA4 support" >&5
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$as_echo_n "checking for FMA4 support... " >&6; }
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if ${libc_cv_cc_fma4+:} false; then :
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$as_echo_n "(cached) " >&6
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else
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if { ac_try='${CC-cc} -mfma4 -xc /dev/null -S -o /dev/null'
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{ { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
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(eval $ac_try) 2>&5
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ac_status=$?
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$as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
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test $ac_status = 0; }; }; then :
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libc_cv_cc_fma4=yes
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else
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libc_cv_cc_fma4=no
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fi
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fi
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{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_cc_fma4" >&5
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$as_echo "$libc_cv_cc_fma4" >&6; }
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if test $libc_cv_cc_fma4 = yes; then
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$as_echo "#define HAVE_FMA4_SUPPORT 1" >>confdefs.h
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fi
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{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for -mno-vzeroupper support" >&5
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$as_echo_n "checking for -mno-vzeroupper support... " >&6; }
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if ${libc_cv_cc_novzeroupper+:} false; then :
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$as_echo_n "(cached) " >&6
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else
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if { ac_try='${CC-cc} -mno-vzeroupper -xc /dev/null -S -o /dev/null'
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{ { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
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(eval $ac_try) 2>&5
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ac_status=$?
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$as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
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test $ac_status = 0; }; }; then :
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libc_cv_cc_novzeroupper=yes
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else
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libc_cv_cc_novzeroupper=no
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fi
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fi
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{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_cc_novzeroupper" >&5
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$as_echo "$libc_cv_cc_novzeroupper" >&6; }
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$as_echo "#define PI_STATIC_AND_HIDDEN 1" >>confdefs.h
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# work around problem with autoconf and empty lines at the end of files
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