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glibc/ports/sysdeps/arm/configure
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# as_fn_set_status STATUS | |
# ----------------------- | |
# Set $? to STATUS, without forking. | |
as_fn_set_status () | |
{ | |
return $1 | |
} # as_fn_set_status | |
# as_fn_exit STATUS | |
# ----------------- | |
# Exit the shell with STATUS, even in a "trap 0" or "set -e" context. | |
as_fn_exit () | |
{ | |
set +e | |
as_fn_set_status $1 | |
exit $1 | |
} # as_fn_exit | |
# as_fn_arith ARG... | |
# ------------------ | |
# Perform arithmetic evaluation on the ARGs, and store the result in the | |
# global $as_val. Take advantage of shells that can avoid forks. The arguments | |
# must be portable across $(()) and expr. | |
if (eval "test \$(( 1 + 1 )) = 2") 2>/dev/null; then : | |
eval 'as_fn_arith () | |
{ | |
as_val=$(( $* )) | |
}' | |
else | |
as_fn_arith () | |
{ | |
as_val=`expr "$@" || test $? -eq 1` | |
} | |
fi # as_fn_arith | |
if expr a : '\(a\)' >/dev/null 2>&1 && | |
test "X`expr 00001 : '.*\(...\)'`" = X001; then | |
as_expr=expr | |
else | |
as_expr=false | |
fi | |
if (basename -- /) >/dev/null 2>&1 && test "X`basename -- / 2>&1`" = "X/"; then | |
as_basename=basename | |
else | |
as_basename=false | |
fi | |
as_me=`$as_basename -- "$0" || | |
$as_expr X/"$0" : '.*/\([^/][^/]*\)/*$' \| \ | |
X"$0" : 'X\(//\)$' \| \ | |
X"$0" : 'X\(/\)' \| . 2>/dev/null || | |
$as_echo X/"$0" | | |
sed '/^.*\/\([^/][^/]*\)\/*$/{ | |
s//\1/ | |
q | |
} | |
/^X\/\(\/\/\)$/{ | |
s//\1/ | |
q | |
} | |
/^X\/\(\/\).*/{ | |
s//\1/ | |
q | |
} | |
s/.*/./; q'` | |
as_lineno_1=$LINENO as_lineno_1a=$LINENO | |
as_lineno_2=$LINENO as_lineno_2a=$LINENO | |
eval 'test "x$as_lineno_1'$as_run'" != "x$as_lineno_2'$as_run'" && | |
test "x`expr $as_lineno_1'$as_run' + 1`" = "x$as_lineno_2'$as_run'"' || { | |
# Blame Lee E. McMahon (1931-1989) for sed's syntax. :-) | |
sed -n ' | |
p | |
/[$]LINENO/= | |
' <$as_myself | | |
sed ' | |
s/[$]LINENO.*/&-/ | |
t lineno | |
b | |
:lineno | |
N | |
:loop | |
s/[$]LINENO\([^'$as_cr_alnum'_].*\n\)\(.*\)/\2\1\2/ | |
t loop | |
s/-\n.*// | |
' >$as_me.lineno && | |
chmod +x "$as_me.lineno" || | |
{ $as_echo "$as_me: error: cannot create $as_me.lineno; rerun with a POSIX shell" >&2; as_fn_exit 1; } | |
# Don't try to exec as it changes $[0], causing all sort of problems | |
# (the dirname of $[0] is not the place where we might find the | |
# original and so on. Autoconf is especially sensitive to this). | |
. "./$as_me.lineno" | |
# Exit status is that of the last command. | |
exit | |
} | |
# This file is generated from configure.in by Autoconf. DO NOT EDIT! | |
# Local configure fragment for sysdeps/arm. | |
# Check for support of thread-local storage handling in assembler and | |
# linker. | |
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for ARM TLS support" >&5 | |
$as_echo_n "checking for ARM TLS support... " >&6; } | |
if ${libc_cv_arm_tls+:} false; then : | |
$as_echo_n "(cached) " >&6 | |
else | |
cat > conftest.s <<\EOF | |
.section ".tdata", "awT", %progbits | |
.globl foo | |
foo: .long 1 | |
.section ".tbss", "awT", %nobits | |
.globl bar | |
bar: .skip 4 | |
.text | |
.word foo(tpoff) | |
.word foo(tlsgd) | |
EOF | |
if { ac_try='${CC-cc} -c $CFLAGS conftest.s 1>&5' | |
{ { eval echo "\"\$as_me\":${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_arm_tls=yes | |
else | |
libc_cv_arm_tls=no | |
fi | |
rm -f conftest* | |
fi | |
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_arm_tls" >&5 | |
$as_echo "$libc_cv_arm_tls" >&6; } | |
if test $libc_cv_arm_tls = no; then | |
as_fn_error $? "the assembler must support TLS" "$LINENO" 5 | |
fi | |
#AC_DEFINE(PI_STATIC_AND_HIDDEN) | |
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the CFI directive .cfi_sections is supported" >&5 | |
$as_echo_n "checking whether the CFI directive .cfi_sections is supported... " >&6; } | |
if ${libc_cv_asm_cfi_directive_sections+:} false; then : | |
$as_echo_n "(cached) " >&6 | |
else | |
cat > conftest.s <<EOF | |
.text | |
.cfi_sections .debug_frame, .eh_frame | |
.cfi_startproc | |
.cfi_endproc | |
EOF | |
if { ac_try='${CC-cc} $ASFLAGS -c conftest.s 1>&5' | |
{ { eval echo "\"\$as_me\":${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_cfi_directive_sections=yes | |
else | |
libc_cv_asm_cfi_directive_sections=no | |
fi | |
rm -f conftest* | |
fi | |
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_asm_cfi_directive_sections" >&5 | |
$as_echo "$libc_cv_asm_cfi_directive_sections" >&6; } | |
if test $libc_cv_asm_cfi_directive_sections != yes; then | |
as_fn_error $? "need .cfi_sections in this configuration" "$LINENO" 5 | |
fi | |
# We check to see if the compiler and flags are | |
# selecting the hard-float ABI and if they are then | |
# we set libc_cv_arm_pcs_vfp to yes which causes | |
# HAVE_ARM_PCS_VFP to be defined in config.h and | |
# in include/libc-symbols.h and thus available to | |
# shlib-versions to select the appropriate name for | |
# the dynamic linker via %ifdef. | |
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for grep that handles long lines and -e" >&5 | |
$as_echo_n "checking for grep that handles long lines and -e... " >&6; } | |
if ${ac_cv_path_GREP+:} false; then : | |
$as_echo_n "(cached) " >&6 | |
else | |
if test -z "$GREP"; then | |
ac_path_GREP_found=false | |
# Loop through the user's path and test for each of PROGNAME-LIST | |
as_save_IFS=$IFS; IFS=$PATH_SEPARATOR | |
for as_dir in $PATH$PATH_SEPARATOR/usr/xpg4/bin | |
do | |
IFS=$as_save_IFS | |
test -z "$as_dir" && as_dir=. | |
for ac_prog in grep ggrep; do | |
for ac_exec_ext in '' $ac_executable_extensions; do | |
ac_path_GREP="$as_dir/$ac_prog$ac_exec_ext" | |
{ test -f "$ac_path_GREP" && $as_test_x "$ac_path_GREP"; } || continue | |
# Check for GNU ac_path_GREP and select it if it is found. | |
# Check for GNU $ac_path_GREP | |
case `"$ac_path_GREP" --version 2>&1` in | |
*GNU*) | |
ac_cv_path_GREP="$ac_path_GREP" ac_path_GREP_found=:;; | |
*) | |
ac_count=0 | |
$as_echo_n 0123456789 >"conftest.in" | |
while : | |
do | |
cat "conftest.in" "conftest.in" >"conftest.tmp" | |
mv "conftest.tmp" "conftest.in" | |
cp "conftest.in" "conftest.nl" | |
$as_echo 'GREP' >> "conftest.nl" | |
"$ac_path_GREP" -e 'GREP$' -e '-(cannot match)-' < "conftest.nl" >"conftest.out" 2>/dev/null || break | |
diff "conftest.out" "conftest.nl" >/dev/null 2>&1 || break | |
as_fn_arith $ac_count + 1 && ac_count=$as_val | |
if test $ac_count -gt ${ac_path_GREP_max-0}; then | |
# Best one so far, save it but keep looking for a better one | |
ac_cv_path_GREP="$ac_path_GREP" | |
ac_path_GREP_max=$ac_count | |
fi | |
# 10*(2^10) chars as input seems more than enough | |
test $ac_count -gt 10 && break | |
done | |
rm -f conftest.in conftest.tmp conftest.nl conftest.out;; | |
esac | |
$ac_path_GREP_found && break 3 | |
done | |
done | |
done | |
IFS=$as_save_IFS | |
if test -z "$ac_cv_path_GREP"; then | |
as_fn_error $? "no acceptable grep could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" "$LINENO" 5 | |
fi | |
else | |
ac_cv_path_GREP=$GREP | |
fi | |
fi | |
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_GREP" >&5 | |
$as_echo "$ac_cv_path_GREP" >&6; } | |
GREP="$ac_cv_path_GREP" | |
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for egrep" >&5 | |
$as_echo_n "checking for egrep... " >&6; } | |
if ${ac_cv_path_EGREP+:} false; then : | |
$as_echo_n "(cached) " >&6 | |
else | |
if echo a | $GREP -E '(a|b)' >/dev/null 2>&1 | |
then ac_cv_path_EGREP="$GREP -E" | |
else | |
if test -z "$EGREP"; then | |
ac_path_EGREP_found=false | |
# Loop through the user's path and test for each of PROGNAME-LIST | |
as_save_IFS=$IFS; IFS=$PATH_SEPARATOR | |
for as_dir in $PATH$PATH_SEPARATOR/usr/xpg4/bin | |
do | |
IFS=$as_save_IFS | |
test -z "$as_dir" && as_dir=. | |
for ac_prog in egrep; do | |
for ac_exec_ext in '' $ac_executable_extensions; do | |
ac_path_EGREP="$as_dir/$ac_prog$ac_exec_ext" | |
{ test -f "$ac_path_EGREP" && $as_test_x "$ac_path_EGREP"; } || continue | |
# Check for GNU ac_path_EGREP and select it if it is found. | |
# Check for GNU $ac_path_EGREP | |
case `"$ac_path_EGREP" --version 2>&1` in | |
*GNU*) | |
ac_cv_path_EGREP="$ac_path_EGREP" ac_path_EGREP_found=:;; | |
*) | |
ac_count=0 | |
$as_echo_n 0123456789 >"conftest.in" | |
while : | |
do | |
cat "conftest.in" "conftest.in" >"conftest.tmp" | |
mv "conftest.tmp" "conftest.in" | |
cp "conftest.in" "conftest.nl" | |
$as_echo 'EGREP' >> "conftest.nl" | |
"$ac_path_EGREP" 'EGREP$' < "conftest.nl" >"conftest.out" 2>/dev/null || break | |
diff "conftest.out" "conftest.nl" >/dev/null 2>&1 || break | |
as_fn_arith $ac_count + 1 && ac_count=$as_val | |
if test $ac_count -gt ${ac_path_EGREP_max-0}; then | |
# Best one so far, save it but keep looking for a better one | |
ac_cv_path_EGREP="$ac_path_EGREP" | |
ac_path_EGREP_max=$ac_count | |
fi | |
# 10*(2^10) chars as input seems more than enough | |
test $ac_count -gt 10 && break | |
done | |
rm -f conftest.in conftest.tmp conftest.nl conftest.out;; | |
esac | |
$ac_path_EGREP_found && break 3 | |
done | |
done | |
done | |
IFS=$as_save_IFS | |
if test -z "$ac_cv_path_EGREP"; then | |
as_fn_error $? "no acceptable egrep could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" "$LINENO" 5 | |
fi | |
else | |
ac_cv_path_EGREP=$EGREP | |
fi | |
fi | |
fi | |
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_EGREP" >&5 | |
$as_echo "$ac_cv_path_EGREP" >&6; } | |
EGREP="$ac_cv_path_EGREP" | |
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the compiler is using the ARM hard-float ABI" >&5 | |
$as_echo_n "checking whether the compiler is using the ARM hard-float ABI... " >&6; } | |
if ${libc_cv_arm_pcs_vfp+:} false; then : | |
$as_echo_n "(cached) " >&6 | |
else | |
cat confdefs.h - <<_ACEOF >conftest.$ac_ext | |
/* end confdefs.h. */ | |
#ifdef __ARM_PCS_VFP | |
yes | |
#endif | |
_ACEOF | |
if (eval "$ac_cpp conftest.$ac_ext") 2>&5 | | |
$EGREP "yes" >/dev/null 2>&1; then : | |
libc_cv_arm_pcs_vfp=yes | |
else | |
libc_cv_arm_pcs_vfp=no | |
fi | |
rm -f conftest* | |
fi | |
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_arm_pcs_vfp" >&5 | |
$as_echo "$libc_cv_arm_pcs_vfp" >&6; } | |
if test $libc_cv_arm_pcs_vfp = yes; then | |
$as_echo "#define HAVE_ARM_PCS_VFP 1" >>confdefs.h | |
fi |