# This file is generated from configure.ac by Autoconf. DO NOT EDIT! # Local configure fragment for sysdeps/unix/sysv/linux/mips. cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ #if (_MIPS_SIM != _ABIO32) #error Not O32 ABI #endif int main (void) { ; return 0; } _ACEOF if ac_fn_c_try_compile "$LINENO" then : libc_mips_abi=o32 else $as_nop cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ #if (_MIPS_SIM != _ABIN32) #error Not N32 ABI #endif int main (void) { ; return 0; } _ACEOF if ac_fn_c_try_compile "$LINENO" then : libc_mips_abi=n32 else $as_nop cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ #if (_MIPS_SIM != _ABI64) #error Not 64 ABI #endif int main (void) { ; return 0; } _ACEOF if ac_fn_c_try_compile "$LINENO" then : libc_mips_abi=n64 fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext if test -z "$libc_mips_abi"; then as_fn_error $? "could not determine what ABI the compiler is using" "$LINENO" 5 fi cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ #if !defined(__mips_soft_float) #error Not soft ABI #endif int main (void) { ; return 0; } _ACEOF if ac_fn_c_try_compile "$LINENO" then : libc_mips_float=soft else $as_nop cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ #if !defined(__mips_hard_float) #error Not hard ABI #endif int main (void) { ; return 0; } _ACEOF if ac_fn_c_try_compile "$LINENO" then : libc_mips_float=hard fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext if test -z "$libc_mips_float"; then as_fn_error $? "could not determine if compiler is using hard or soft floating point ABI" "$LINENO" 5 fi libc_mips_o32_fp= libc_cv_mips_fp64= libc_cv_mips_modd_spreg= if test x"$libc_mips_abi" = xo32 -a x"$libc_mips_float" = xhard; then cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ #if !defined(__mips_fpr) #error Missing FPR sizes #endif int main (void) { ; return 0; } _ACEOF if ac_fn_c_try_compile "$LINENO" then : cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ #if (__mips_fpr != 32) #error Not FP32 #endif int main (void) { ; return 0; } _ACEOF if ac_fn_c_try_compile "$LINENO" then : libc_mips_o32_fp=32 else $as_nop cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ #if (__mips_fpr != 0) || !defined(_MIPS_SPFPSET) || (_MIPS_SPFPSET != 16) #error Not FPXX (without odd single-precision registers) #endif int main (void) { ; return 0; } _ACEOF if ac_fn_c_try_compile "$LINENO" then : libc_mips_o32_fp=xx else $as_nop cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ #if (__mips_fpr != 0) #error Not FPXX (with odd single precision registers) #endif int main (void) { ; return 0; } _ACEOF if ac_fn_c_try_compile "$LINENO" then : libc_mips_o32_fp=xxo else $as_nop cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ #if (__mips_fpr != 64) || !defined(_MIPS_SPFPSET) || (_MIPS_SPFPSET != 16) #error Not FP64A #endif int main (void) { ; return 0; } _ACEOF if ac_fn_c_try_compile "$LINENO" then : libc_mips_o32_fp=64a else $as_nop cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ #if (__mips_fpr != 64) #error Not FP64 #endif int main (void) { ; return 0; } _ACEOF if ac_fn_c_try_compile "$LINENO" then : libc_mips_o32_fp=64 fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext if { ac_try='${CC-cc} -mfp64 -xc /dev/null -S -o /dev/null' { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 (eval $ac_try) 2>&5 ac_status=$? printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 test $ac_status = 0; }; } then : libc_cv_mips_fp64=yes else $as_nop libc_cv_mips_fp64=no fi if { ac_try='${CC-cc} -Werror -modd-spreg -xc /dev/null -S -o /dev/null' { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 (eval $ac_try) 2>&5 ac_status=$? printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 test $ac_status = 0; }; } then : libc_cv_mips_modd_spreg=yes else $as_nop libc_cv_mips_modd_spreg=no fi fi config_vars="$config_vars o32-fpabi = ${libc_mips_o32_fp}" config_vars="$config_vars has-mpf64 = ${libc_cv_mips_fp64}" config_vars="$config_vars has-modd-spreg = ${libc_cv_mips_modd_spreg}" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ #include #if !defined(PR_GET_FP_MODE) || !defined(PR_SET_FP_MODE) #error New prctl support for setting FP modes not found #endif int main (void) { ; return 0; } _ACEOF if ac_fn_c_try_compile "$LINENO" then : libc_mips_mode_switch=yes else $as_nop libc_mips_mode_switch=no fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext config_vars="$config_vars mips-mode-switch = ${libc_mips_mode_switch}" { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for grep that handles long lines and -e" >&5 printf %s "checking for grep that handles long lines and -e... " >&6; } if test ${ac_cv_path_GREP+y} then : printf %s "(cached) " >&6 else $as_nop if test -z "$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 case $as_dir in #((( '') as_dir=./ ;; */) ;; *) as_dir=$as_dir/ ;; esac 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="$ac_path_GREP" ac_path_GREP_found=:;; *) ac_count=0 printf %s 0123456789 >"conftest.in" while : do cat "conftest.in" "conftest.in" >"conftest.tmp" mv "conftest.tmp" "conftest.in" cp "conftest.in" "conftest.nl" printf "%s\n" 'GREP' >> "conftest.nl" "$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 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_GREP" >&5 printf "%s\n" "$ac_cv_path_GREP" >&6; } GREP="$ac_cv_path_GREP" { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for egrep" >&5 printf %s "checking for egrep... " >&6; } if test ${ac_cv_path_EGREP+y} then : printf %s "(cached) " >&6 else $as_nop 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 case $as_dir in #((( '') as_dir=./ ;; */) ;; *) as_dir=$as_dir/ ;; esac 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="$ac_path_EGREP" ac_path_EGREP_found=:;; *) ac_count=0 printf %s 0123456789 >"conftest.in" while : do cat "conftest.in" "conftest.in" >"conftest.tmp" mv "conftest.tmp" "conftest.in" cp "conftest.in" "conftest.nl" printf "%s\n" 'EGREP' >> "conftest.nl" "$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 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_EGREP" >&5 printf "%s\n" "$ac_cv_path_EGREP" >&6; } EGREP="$ac_cv_path_EGREP" { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether the compiler is using the 2008 NaN encoding" >&5 printf %s "checking whether the compiler is using the 2008 NaN encoding... " >&6; } if test ${libc_cv_mips_nan2008+y} then : printf %s "(cached) " >&6 else $as_nop cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ dnl #ifdef __mips_nan2008 yes #endif _ACEOF if (eval "$ac_cpp conftest.$ac_ext") 2>&5 | $EGREP "yes" >/dev/null 2>&1 then : libc_cv_mips_nan2008=yes else $as_nop libc_cv_mips_nan2008=no fi rm -rf conftest* fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $libc_cv_mips_nan2008" >&5 printf "%s\n" "$libc_cv_mips_nan2008" >&6; } libc_mips_nan= if test x"$libc_cv_mips_nan2008" = xyes; then libc_mips_nan=_2008 fi config_vars="$config_vars default-abi = ${libc_mips_abi}_${libc_mips_float}${libc_mips_nan}" case $machine in mips/mips64/n64/*) test -n "$libc_cv_slibdir" || case "$prefix" in /usr | /usr/) libc_cv_slibdir='/lib64' libc_cv_rtlddir='/lib64' if test "$libdir" = '${exec_prefix}/lib'; then libdir='${exec_prefix}/lib64'; # Locale data can be shared between 32-bit and 64-bit libraries. libc_cv_complocaledir='${exec_prefix}/lib/locale' fi ;; esac ;; mips/mips64/n32/*) test -n "$libc_cv_slibdir" || case "$prefix" in /usr | /usr/) libc_cv_slibdir='/lib32' libc_cv_rtlddir='/lib32' if test "$libdir" = '${exec_prefix}/lib'; then libdir='${exec_prefix}/lib32'; # Locale data can be shared between 32-bit and 64-bit libraries. libc_cv_complocaledir='${exec_prefix}/lib/locale' fi ;; esac ;; esac libc_cv_gcc_unwind_find_fde=yes if test -z "$arch_minimum_kernel"; then if test x$libc_cv_mips_nan2008 = xyes; then arch_minimum_kernel=4.5.0 fi fi # Check if we are supposed to run on kernels older than 4.8.0. If so, # force executable stack to avoid potential runtime problems with fpu # emulation. # NOTE: The check below assumes that in absence of user-provided minimum_kernel # we will default to arch_minimum_kernel which is currently less than 4.8.0 for # all known configurations. If this changes, the check must be updated. { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether the compiler must use executable stack" >&5 printf %s "checking whether the compiler must use executable stack... " >&6; } if test ${libc_cv_mips_force_execstack+y} then : printf %s "(cached) " >&6 else $as_nop libc_cv_mips_force_execstack=no if test $libc_mips_float = hard; then if test -n "$minimum_kernel"; then min_version=$((`echo "$minimum_kernel.0.0.0" | sed 's/\([0-9]*\)\.\([0-9]*\)\.\([0-9]*\).*/\1 \* 65536 + \2 \* 256 + \3/'`)) if test $min_version -lt 264192; then libc_cv_mips_force_execstack=yes fi else libc_cv_mips_force_execstack=yes fi fi fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $libc_cv_mips_force_execstack" >&5 printf "%s\n" "$libc_cv_mips_force_execstack" >&6; } libc_mips_has_gnustack=$libc_cv_as_noexecstack if test $libc_cv_mips_force_execstack = yes; then libc_mips_has_gnustack=no { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: forcing executable stack for pre-4.8.0 Linux kernels" >&5 printf "%s\n" "$as_me: WARNING: forcing executable stack for pre-4.8.0 Linux kernels" >&2;} fi config_vars="$config_vars mips-force-execstack = ${libc_cv_mips_force_execstack}" config_vars="$config_vars mips-has-gnustack = ${libc_mips_has_gnustack}"