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98ffc1bfeb
As discussed at the patch review meeting Signed-off-by: Andreas K. Hüttel <dilfridge@gentoo.org> Reviewed-by: Simon Chopin <simon.chopin@canonical.com>
209 lines
6.8 KiB
Plaintext
209 lines
6.8 KiB
Plaintext
# This file is generated from configure.ac by Autoconf. DO NOT EDIT!
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# Local configure fragment for sysdeps/sparc/sparc32
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# Test if compiler targets at least sparcv8.
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{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for egrep -e" >&5
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printf %s "checking for egrep -e... " >&6; }
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if test ${ac_cv_path_EGREP_TRADITIONAL+y}
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then :
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printf %s "(cached) " >&6
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else case e in #(
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e) if test -z "$EGREP_TRADITIONAL"; then
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ac_path_EGREP_TRADITIONAL_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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case $as_dir in #(((
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'') as_dir=./ ;;
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*/) ;;
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*) as_dir=$as_dir/ ;;
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esac
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for ac_prog in grep ggrep
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do
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for ac_exec_ext in '' $ac_executable_extensions; do
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ac_path_EGREP_TRADITIONAL="$as_dir$ac_prog$ac_exec_ext"
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as_fn_executable_p "$ac_path_EGREP_TRADITIONAL" || continue
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# Check for GNU ac_path_EGREP_TRADITIONAL and select it if it is found.
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# Check for GNU $ac_path_EGREP_TRADITIONAL
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case `"$ac_path_EGREP_TRADITIONAL" --version 2>&1` in #(
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*GNU*)
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ac_cv_path_EGREP_TRADITIONAL="$ac_path_EGREP_TRADITIONAL" ac_path_EGREP_TRADITIONAL_found=:;;
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#(
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*)
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ac_count=0
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printf %s 0123456789 >"conftest.in"
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while :
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do
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cat "conftest.in" "conftest.in" >"conftest.tmp"
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mv "conftest.tmp" "conftest.in"
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cp "conftest.in" "conftest.nl"
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printf "%s\n" 'EGREP_TRADITIONAL' >> "conftest.nl"
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"$ac_path_EGREP_TRADITIONAL" -E 'EGR(EP|AC)_TRADITIONAL$' < "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 ${ac_path_EGREP_TRADITIONAL_max-0}; then
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# Best one so far, save it but keep looking for a better one
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ac_cv_path_EGREP_TRADITIONAL="$ac_path_EGREP_TRADITIONAL"
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ac_path_EGREP_TRADITIONAL_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_TRADITIONAL_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_TRADITIONAL"; then
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:
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fi
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else
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ac_cv_path_EGREP_TRADITIONAL=$EGREP_TRADITIONAL
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fi
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if test "$ac_cv_path_EGREP_TRADITIONAL"
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then :
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ac_cv_path_EGREP_TRADITIONAL="$ac_cv_path_EGREP_TRADITIONAL -E"
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else case e in #(
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e) if test -z "$EGREP_TRADITIONAL"; then
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ac_path_EGREP_TRADITIONAL_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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case $as_dir in #(((
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'') as_dir=./ ;;
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*/) ;;
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*) as_dir=$as_dir/ ;;
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esac
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for ac_prog in egrep
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do
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for ac_exec_ext in '' $ac_executable_extensions; do
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ac_path_EGREP_TRADITIONAL="$as_dir$ac_prog$ac_exec_ext"
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as_fn_executable_p "$ac_path_EGREP_TRADITIONAL" || continue
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# Check for GNU ac_path_EGREP_TRADITIONAL and select it if it is found.
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# Check for GNU $ac_path_EGREP_TRADITIONAL
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case `"$ac_path_EGREP_TRADITIONAL" --version 2>&1` in #(
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*GNU*)
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ac_cv_path_EGREP_TRADITIONAL="$ac_path_EGREP_TRADITIONAL" ac_path_EGREP_TRADITIONAL_found=:;;
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#(
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*)
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ac_count=0
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printf %s 0123456789 >"conftest.in"
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while :
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do
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cat "conftest.in" "conftest.in" >"conftest.tmp"
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mv "conftest.tmp" "conftest.in"
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cp "conftest.in" "conftest.nl"
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printf "%s\n" 'EGREP_TRADITIONAL' >> "conftest.nl"
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"$ac_path_EGREP_TRADITIONAL" 'EGR(EP|AC)_TRADITIONAL$' < "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 ${ac_path_EGREP_TRADITIONAL_max-0}; then
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# Best one so far, save it but keep looking for a better one
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ac_cv_path_EGREP_TRADITIONAL="$ac_path_EGREP_TRADITIONAL"
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ac_path_EGREP_TRADITIONAL_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_TRADITIONAL_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_TRADITIONAL"; then
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as_fn_error $? "no acceptable egrep could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" "$LINENO" 5
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fi
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else
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ac_cv_path_EGREP_TRADITIONAL=$EGREP_TRADITIONAL
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fi
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;;
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esac
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fi ;;
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esac
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fi
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{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_EGREP_TRADITIONAL" >&5
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printf "%s\n" "$ac_cv_path_EGREP_TRADITIONAL" >&6; }
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EGREP_TRADITIONAL=$ac_cv_path_EGREP_TRADITIONAL
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{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for at least sparcv8 support" >&5
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printf %s "checking for at least sparcv8 support... " >&6; }
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if test ${libc_cv_sparcv8+y}
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then :
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printf %s "(cached) " >&6
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else case e in #(
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e) cat confdefs.h - <<_ACEOF >conftest.$ac_ext
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/* end confdefs.h. */
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#if defined (__sparc_v8__) || defined (__sparc_v9__)
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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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$EGREP_TRADITIONAL "yes" >/dev/null 2>&1
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then :
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libc_cv_sparcv8=yes
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else case e in #(
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e) libc_cv_sparcv8=no ;;
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esac
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fi
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rm -rf conftest*
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;;
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esac
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fi
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{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $libc_cv_sparcv8" >&5
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printf "%s\n" "$libc_cv_sparcv8" >&6; }
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if test $libc_cv_sparcv8 = no; then
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as_fn_error $? "no support for pre-v8 sparc" "$LINENO" 5
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fi
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# Test if compiler generates external calls to libatomic for CAS operation.
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# It is suffice to check for int only and the test is similar of C11
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# atomic_compare_exchange_strong using GCC builtins.
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{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for external libatomic calls" >&5
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printf %s "checking for external libatomic calls... " >&6; }
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if test ${libc_cv_cas_uses_libatomic+y}
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then :
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printf %s "(cached) " >&6
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else case e in #(
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e) cat > conftest.c <<EOF
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_Bool foo (int *ptr, int *expected, int desired)
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{
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return __atomic_compare_exchange_n (ptr, expected, desired, 0,
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__ATOMIC_SEQ_CST, __ATOMIC_SEQ_CST);
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}
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EOF
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libc_cv_cas_uses_libatomic=no
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if { ac_try='${CC-cc} -S conftest.c -o conftest.s 1>&5'
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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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printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
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test $ac_status = 0; }; }; then
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if grep '__atomic_compare_exchange_4' conftest.s >/dev/null; then
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libc_cv_cas_uses_libatomic=yes
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fi
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fi
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rm -f conftest.c conftest.s
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;;
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esac
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fi
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{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $libc_cv_cas_uses_libatomic" >&5
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printf "%s\n" "$libc_cv_cas_uses_libatomic" >&6; }
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if test $libc_cv_cas_uses_libatomic = yes; then
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as_fn_error $? "external dependency of libatomic is not supported" "$LINENO" 5
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fi
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