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https://sourceware.org/git/glibc.git
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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!
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# Local configure fragment for sysdeps/unix/sysv/linux/riscv.
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arch_minimum_kernel=4.15.0
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libc_cv_riscv_int_abi=no
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{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for grep that handles long lines and -e" >&5
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$as_echo_n "checking for grep that handles long lines and -e... " >&6; }
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if ${ac_cv_path_GREP+:} false; then :
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$as_echo_n "(cached) " >&6
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else
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if test -z "$GREP"; then
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ac_path_GREP_found=false
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# Loop through the user's path and test for each of PROGNAME-LIST
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as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
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for as_dir in $PATH$PATH_SEPARATOR/usr/xpg4/bin
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do
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IFS=$as_save_IFS
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test -z "$as_dir" && as_dir=.
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for ac_prog in grep ggrep; do
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for ac_exec_ext in '' $ac_executable_extensions; do
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ac_path_GREP="$as_dir/$ac_prog$ac_exec_ext"
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as_fn_executable_p "$ac_path_GREP" || continue
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# Check for GNU ac_path_GREP and select it if it is found.
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# Check for GNU $ac_path_GREP
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case `"$ac_path_GREP" --version 2>&1` in
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*GNU*)
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ac_cv_path_GREP="$ac_path_GREP" ac_path_GREP_found=:;;
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*)
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ac_count=0
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$as_echo_n 0123456789 >"conftest.in"
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while :
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do
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cat "conftest.in" "conftest.in" >"conftest.tmp"
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mv "conftest.tmp" "conftest.in"
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cp "conftest.in" "conftest.nl"
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$as_echo 'GREP' >> "conftest.nl"
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"$ac_path_GREP" -e 'GREP$' -e '-(cannot match)-' < "conftest.nl" >"conftest.out" 2>/dev/null || break
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diff "conftest.out" "conftest.nl" >/dev/null 2>&1 || break
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as_fn_arith $ac_count + 1 && ac_count=$as_val
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if test $ac_count -gt ${ac_path_GREP_max-0}; then
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# Best one so far, save it but keep looking for a better one
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ac_cv_path_GREP="$ac_path_GREP"
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ac_path_GREP_max=$ac_count
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fi
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# 10*(2^10) chars as input seems more than enough
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test $ac_count -gt 10 && break
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done
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rm -f conftest.in conftest.tmp conftest.nl conftest.out;;
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esac
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$ac_path_GREP_found && break 3
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done
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done
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done
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IFS=$as_save_IFS
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if test -z "$ac_cv_path_GREP"; then
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as_fn_error $? "no acceptable grep could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" "$LINENO" 5
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fi
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else
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ac_cv_path_GREP=$GREP
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fi
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fi
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{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_GREP" >&5
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$as_echo "$ac_cv_path_GREP" >&6; }
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GREP="$ac_cv_path_GREP"
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{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for egrep" >&5
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$as_echo_n "checking for egrep... " >&6; }
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if ${ac_cv_path_EGREP+:} false; then :
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$as_echo_n "(cached) " >&6
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else
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if echo a | $GREP -E '(a|b)' >/dev/null 2>&1
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then ac_cv_path_EGREP="$GREP -E"
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else
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if test -z "$EGREP"; then
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ac_path_EGREP_found=false
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# Loop through the user's path and test for each of PROGNAME-LIST
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as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
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for as_dir in $PATH$PATH_SEPARATOR/usr/xpg4/bin
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do
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IFS=$as_save_IFS
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test -z "$as_dir" && as_dir=.
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for ac_prog in egrep; do
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for ac_exec_ext in '' $ac_executable_extensions; do
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ac_path_EGREP="$as_dir/$ac_prog$ac_exec_ext"
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as_fn_executable_p "$ac_path_EGREP" || continue
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# Check for GNU ac_path_EGREP and select it if it is found.
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# Check for GNU $ac_path_EGREP
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case `"$ac_path_EGREP" --version 2>&1` in
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*GNU*)
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ac_cv_path_EGREP="$ac_path_EGREP" ac_path_EGREP_found=:;;
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*)
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ac_count=0
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$as_echo_n 0123456789 >"conftest.in"
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while :
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do
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cat "conftest.in" "conftest.in" >"conftest.tmp"
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mv "conftest.tmp" "conftest.in"
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cp "conftest.in" "conftest.nl"
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$as_echo 'EGREP' >> "conftest.nl"
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"$ac_path_EGREP" 'EGREP$' < "conftest.nl" >"conftest.out" 2>/dev/null || break
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diff "conftest.out" "conftest.nl" >/dev/null 2>&1 || break
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as_fn_arith $ac_count + 1 && ac_count=$as_val
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if test $ac_count -gt ${ac_path_EGREP_max-0}; then
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# Best one so far, save it but keep looking for a better one
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ac_cv_path_EGREP="$ac_path_EGREP"
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ac_path_EGREP_max=$ac_count
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fi
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# 10*(2^10) chars as input seems more than enough
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test $ac_count -gt 10 && break
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done
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rm -f conftest.in conftest.tmp conftest.nl conftest.out;;
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esac
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$ac_path_EGREP_found && break 3
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done
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done
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done
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IFS=$as_save_IFS
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if test -z "$ac_cv_path_EGREP"; then
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as_fn_error $? "no acceptable egrep could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" "$LINENO" 5
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fi
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else
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ac_cv_path_EGREP=$EGREP
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fi
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fi
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fi
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{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_EGREP" >&5
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$as_echo "$ac_cv_path_EGREP" >&6; }
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EGREP="$ac_cv_path_EGREP"
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cat confdefs.h - <<_ACEOF >conftest.$ac_ext
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/* end confdefs.h. */
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__SIZEOF_INT__ __SIZEOF_LONG__ __SIZEOF_POINTER__
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_ACEOF
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if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
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$EGREP "4 8 8" >/dev/null 2>&1; then :
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libc_cv_riscv_int_abi=lp64
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fi
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rm -f conftest*
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cat confdefs.h - <<_ACEOF >conftest.$ac_ext
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/* end confdefs.h. */
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__SIZEOF_INT__ __SIZEOF_LONG__ __SIZEOF_POINTER__
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_ACEOF
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if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
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$EGREP "4 4 4" >/dev/null 2>&1; then :
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libc_cv_riscv_int_abi=ilp32
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fi
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rm -f conftest*
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if test $libc_cv_riscv_int_abi = no; then
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as_fn_error $? "Unable to determine integer ABI" "$LINENO" 5
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fi
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if test $libc_cv_riscv_int_abi = ilp32; then
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arch_minimum_kernel=5.4.0
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fi
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libc_cv_riscv_float_abi=no
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cat confdefs.h - <<_ACEOF >conftest.$ac_ext
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/* end confdefs.h. */
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#ifdef __riscv_float_abi_double
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yes
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#endif
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_ACEOF
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if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
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$EGREP "yes" >/dev/null 2>&1; then :
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libc_cv_riscv_float_abi=d
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fi
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rm -f conftest*
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cat confdefs.h - <<_ACEOF >conftest.$ac_ext
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/* end confdefs.h. */
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#ifdef __riscv_float_abi_soft
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yes
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#endif
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_ACEOF
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if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
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$EGREP "yes" >/dev/null 2>&1; then :
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libc_cv_riscv_float_abi=
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fi
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rm -f conftest*
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if test "$libc_cv_riscv_float_abi" = no; then
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as_fn_error $? "Unable to determine floating-point ABI" "$LINENO" 5
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fi
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config_vars="$config_vars
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default-abi = $libc_cv_riscv_int_abi$libc_cv_riscv_float_abi"
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case $libc_cv_riscv_int_abi$libc_cv_riscv_float_abi-$machine in
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lp64-riscv/rv64/*)
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test -n "$libc_cv_slibdir" ||
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case "$prefix" in
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/usr | /usr/)
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libc_cv_slibdir='/lib64/lp64'
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libc_cv_rtlddir='/lib'
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if test "$libdir" = '${exec_prefix}/lib'; then
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libdir='${exec_prefix}/lib64/lp64';
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# Locale data can be shared between 32-bit and 64-bit libraries.
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libc_cv_complocaledir='${exec_prefix}/lib/locale'
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fi
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;;
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esac
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;;
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lp64d-riscv/rv64/*)
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test -n "$libc_cv_slibdir" ||
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case "$prefix" in
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/usr | /usr/)
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libc_cv_slibdir='/lib64/lp64d'
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libc_cv_rtlddir='/lib'
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if test "$libdir" = '${exec_prefix}/lib'; then
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libdir='${exec_prefix}/lib64/lp64d';
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# Locale data can be shared between 32-bit and 64-bit libraries.
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libc_cv_complocaledir='${exec_prefix}/lib/locale'
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fi
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;;
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esac
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;;
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ilp32-riscv/rv32/*)
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test -n "$libc_cv_slibdir" ||
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case "$prefix" in
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/usr | /usr/)
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libc_cv_slibdir='/lib32/ilp32'
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libc_cv_rtlddir='/lib'
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if test "$libdir" = '${exec_prefix}/lib'; then
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libdir='${exec_prefix}/lib32/ilp32';
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# Locale data can be shared between 32-bit and 64-bit libraries.
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libc_cv_complocaledir='${exec_prefix}/lib/locale'
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fi
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;;
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esac
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;;
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ilp32d-riscv/rv32/*)
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test -n "$libc_cv_slibdir" ||
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case "$prefix" in
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/usr | /usr/)
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libc_cv_slibdir='/lib32/ilp32d'
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libc_cv_rtlddir='/lib'
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if test "$libdir" = '${exec_prefix}/lib'; then
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libdir='${exec_prefix}/lib32/ilp32d';
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# Locale data can be shared between 32-bit and 64-bit libraries.
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libc_cv_complocaledir='${exec_prefix}/lib/locale'
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fi
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;;
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esac
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;;
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esac
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ldd_rewrite_script=sysdeps/unix/sysv/linux/riscv/ldd-rewrite.sed
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