mirror of
https://sourceware.org/git/glibc.git
synced 2024-12-26 12:41:05 +00:00
72dfddeffc
This patch lays out the top-level organisation of the RISC-V 32-bit port. It provides all the Implies files as well as various other fragments of the build infrastructure. Reviewed-by: Maciej W. Rozycki <macro@wdc.com>
263 lines
7.3 KiB
Plaintext
Executable File
263 lines
7.3 KiB
Plaintext
Executable File
# This file is generated from configure.ac by Autoconf. DO NOT EDIT!
|
|
# Local configure fragment for sysdeps/unix/sysv/linux/riscv.
|
|
|
|
arch_minimum_kernel=4.15.0
|
|
|
|
libc_cv_riscv_int_abi=no
|
|
|
|
|
|
{ $as_echo "$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"
|
|
as_fn_executable_p "$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"
|
|
as_fn_executable_p "$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="$ac_cv_path_EGREP"
|
|
|
|
|
|
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
|
|
/* end confdefs.h. */
|
|
__SIZEOF_INT__ __SIZEOF_LONG__ __SIZEOF_POINTER__
|
|
|
|
_ACEOF
|
|
if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
|
|
$EGREP "4 8 8" >/dev/null 2>&1; then :
|
|
libc_cv_riscv_int_abi=lp64
|
|
fi
|
|
rm -f conftest*
|
|
|
|
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
|
|
/* end confdefs.h. */
|
|
__SIZEOF_INT__ __SIZEOF_LONG__ __SIZEOF_POINTER__
|
|
|
|
_ACEOF
|
|
if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
|
|
$EGREP "4 4 4" >/dev/null 2>&1; then :
|
|
libc_cv_riscv_int_abi=ilp32
|
|
fi
|
|
rm -f conftest*
|
|
|
|
if test $libc_cv_riscv_int_abi = no; then
|
|
as_fn_error $? "Unable to determine integer ABI" "$LINENO" 5
|
|
fi
|
|
|
|
if test $libc_cv_riscv_int_abi = ilp32; then
|
|
arch_minimum_kernel=5.4.0
|
|
fi
|
|
|
|
libc_cv_riscv_float_abi=no
|
|
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
|
|
/* end confdefs.h. */
|
|
#ifdef __riscv_float_abi_double
|
|
yes
|
|
#endif
|
|
|
|
_ACEOF
|
|
if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
|
|
$EGREP "yes" >/dev/null 2>&1; then :
|
|
libc_cv_riscv_float_abi=d
|
|
fi
|
|
rm -f conftest*
|
|
|
|
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
|
|
/* end confdefs.h. */
|
|
#ifdef __riscv_float_abi_soft
|
|
yes
|
|
#endif
|
|
|
|
_ACEOF
|
|
if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
|
|
$EGREP "yes" >/dev/null 2>&1; then :
|
|
libc_cv_riscv_float_abi=
|
|
fi
|
|
rm -f conftest*
|
|
|
|
if test "$libc_cv_riscv_float_abi" = no; then
|
|
as_fn_error $? "Unable to determine floating-point ABI" "$LINENO" 5
|
|
fi
|
|
|
|
config_vars="$config_vars
|
|
default-abi = $libc_cv_riscv_int_abi$libc_cv_riscv_float_abi"
|
|
|
|
case $libc_cv_riscv_int_abi$libc_cv_riscv_float_abi-$machine in
|
|
lp64-riscv/rv64/*)
|
|
test -n "$libc_cv_slibdir" ||
|
|
case "$prefix" in
|
|
/usr | /usr/)
|
|
libc_cv_slibdir='/lib64/lp64'
|
|
libc_cv_rtlddir='/lib'
|
|
if test "$libdir" = '${exec_prefix}/lib'; then
|
|
libdir='${exec_prefix}/lib64/lp64';
|
|
# Locale data can be shared between 32-bit and 64-bit libraries.
|
|
libc_cv_complocaledir='${exec_prefix}/lib/locale'
|
|
fi
|
|
;;
|
|
esac
|
|
;;
|
|
lp64d-riscv/rv64/*)
|
|
test -n "$libc_cv_slibdir" ||
|
|
case "$prefix" in
|
|
/usr | /usr/)
|
|
libc_cv_slibdir='/lib64/lp64d'
|
|
libc_cv_rtlddir='/lib'
|
|
if test "$libdir" = '${exec_prefix}/lib'; then
|
|
libdir='${exec_prefix}/lib64/lp64d';
|
|
# Locale data can be shared between 32-bit and 64-bit libraries.
|
|
libc_cv_complocaledir='${exec_prefix}/lib/locale'
|
|
fi
|
|
;;
|
|
esac
|
|
;;
|
|
ilp32-riscv/rv32/*)
|
|
test -n "$libc_cv_slibdir" ||
|
|
case "$prefix" in
|
|
/usr | /usr/)
|
|
libc_cv_slibdir='/lib32/ilp32'
|
|
libc_cv_rtlddir='/lib'
|
|
if test "$libdir" = '${exec_prefix}/lib'; then
|
|
libdir='${exec_prefix}/lib32/ilp32';
|
|
# Locale data can be shared between 32-bit and 64-bit libraries.
|
|
libc_cv_complocaledir='${exec_prefix}/lib/locale'
|
|
fi
|
|
;;
|
|
esac
|
|
;;
|
|
ilp32d-riscv/rv32/*)
|
|
test -n "$libc_cv_slibdir" ||
|
|
case "$prefix" in
|
|
/usr | /usr/)
|
|
libc_cv_slibdir='/lib32/ilp32d'
|
|
libc_cv_rtlddir='/lib'
|
|
if test "$libdir" = '${exec_prefix}/lib'; then
|
|
libdir='${exec_prefix}/lib32/ilp32d';
|
|
# Locale data can be shared between 32-bit and 64-bit libraries.
|
|
libc_cv_complocaledir='${exec_prefix}/lib/locale'
|
|
fi
|
|
;;
|
|
esac
|
|
;;
|
|
esac
|
|
|
|
ldd_rewrite_script=sysdeps/unix/sysv/linux/riscv/ldd-rewrite.sed
|