mirror of
				https://sourceware.org/git/glibc.git
				synced 2025-11-03 20:53:13 +03:00 
			
		
		
		
	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
 |