| # This file is generated from configure.ac by Autoconf. DO NOT EDIT! |
| # Local configure fragment for sysdeps/arm. |
| |
| $as_echo "#define PI_STATIC_AND_HIDDEN 1" >>confdefs.h |
| |
| |
| # We check to see if the compiler and flags are |
| # selecting the hard-float ABI and if they are then |
| # we set libc_cv_arm_pcs_vfp to yes which causes |
| # HAVE_ARM_PCS_VFP to be defined in config.h and |
| # in include/libc-symbols.h and thus available to |
| # shlib-versions to select the appropriate name for |
| # the dynamic linker via %ifdef. |
| |
| |
| { $as_echo "$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" |
| |
| |
| { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the compiler is using the ARM hard-float ABI" >&5 |
| $as_echo_n "checking whether the compiler is using the ARM hard-float ABI... " >&6; } |
| if ${libc_cv_arm_pcs_vfp+:} false; then : |
| $as_echo_n "(cached) " >&6 |
| else |
| cat confdefs.h - <<_ACEOF >conftest.$ac_ext |
| /* end confdefs.h. */ |
| #ifdef __ARM_PCS_VFP |
| yes |
| #endif |
| |
| _ACEOF |
| if (eval "$ac_cpp conftest.$ac_ext") 2>&5 | |
| $EGREP "yes" >/dev/null 2>&1; then : |
| libc_cv_arm_pcs_vfp=yes |
| else |
| libc_cv_arm_pcs_vfp=no |
| fi |
| rm -f conftest* |
| |
| fi |
| { $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_arm_pcs_vfp" >&5 |
| $as_echo "$libc_cv_arm_pcs_vfp" >&6; } |
| if test $libc_cv_arm_pcs_vfp = yes; then |
| $as_echo "#define HAVE_ARM_PCS_VFP 1" >>confdefs.h |
| |
| config_vars="$config_vars |
| default-abi = hard" |
| else |
| config_vars="$config_vars |
| default-abi = soft" |
| fi |
| |
| { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether PC-relative relocs in movw/movt work properly" >&5 |
| $as_echo_n "checking whether PC-relative relocs in movw/movt work properly... " >&6; } |
| if ${libc_cv_arm_pcrel_movw+:} false; then : |
| $as_echo_n "(cached) " >&6 |
| else |
| |
| cat > conftest.s <<\EOF |
| .syntax unified |
| .arm |
| .arch armv7-a |
| |
| .text |
| .globl foo |
| .type foo,%function |
| foo: movw r0, #:lower16:symbol - 1f - 8 |
| movt r0, #:upper16:symbol - 1f - 8 |
| 1: add r0, pc |
| @ And now a case with a local symbol. |
| movw r0, #:lower16:3f - 2f - 8 |
| movt r0, #:upper16:3f - 2f - 8 |
| 2: add r0, pc |
| bx lr |
| |
| .data |
| .globl symbol |
| .hidden symbol |
| symbol: .long 23 |
| 3: .long 17 |
| EOF |
| libc_cv_arm_pcrel_movw=no |
| ${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS \ |
| -nostartfiles -nostdlib -shared \ |
| -o conftest.so conftest.s 1>&5 2>&5 && |
| LC_ALL=C $READELF -dr conftest.so > conftest.dr 2>&5 && |
| { |
| cat conftest.dr 1>&5 |
| fgrep 'TEXTREL |
| R_ARM_NONE' conftest.dr > /dev/null || libc_cv_arm_pcrel_movw=yes |
| } |
| rm -f conftest* |
| fi |
| { $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_arm_pcrel_movw" >&5 |
| $as_echo "$libc_cv_arm_pcrel_movw" >&6; } |
| if test $libc_cv_arm_pcrel_movw = yes; then |
| $as_echo "#define ARM_PCREL_MOVW_OK 1" >>confdefs.h |
| |
| fi |
| |
| # This was buggy in assemblers from GNU binutils versions before 2.25.1 |
| # (it's known to be broken in 2.24 and 2.25; see |
| # https://sourceware.org/bugzilla/show_bug.cgi?id=18383). |
| { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether TPOFF relocs with addends are assembled correctly" >&5 |
| $as_echo_n "checking whether TPOFF relocs with addends are assembled correctly... " >&6; } |
| if ${libc_cv_arm_tpoff_addend+:} false; then : |
| $as_echo_n "(cached) " >&6 |
| else |
| |
| cat > conftest.s <<\EOF |
| .syntax unified |
| .arm |
| .arch armv7-a |
| |
| .text |
| foo: |
| .word tbase(tpoff)+4 |
| |
| .section .tdata,"awT",%progbits |
| .word -4 |
| tbase: .word 0 |
| .word 4 |
| EOF |
| libc_cv_arm_tpoff_addend=no |
| ${CC-cc} -c $CFLAGS $CPPFLAGS \ |
| -o conftest.o conftest.s 1>&5 2>&5 && |
| LC_ALL=C $READELF -x.text conftest.o > conftest.x 2>&5 && |
| { |
| cat conftest.x 1>&5 |
| $AWK 'BEGIN { result = 2 } |
| $1 ~ /0x0+/ && $2 ~ /[0-9a-f]+/ { |
| # Check for little-endian or big-endian encoding of 4 in the in-place addend. |
| result = ($2 == "04000000" || $2 == "00000004") ? 0 : 1 |
| } |
| END { exit(result) } |
| ' conftest.x 2>&5 && libc_cv_arm_tpoff_addend=yes |
| } |
| rm -f conftest* |
| fi |
| { $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_arm_tpoff_addend" >&5 |
| $as_echo "$libc_cv_arm_tpoff_addend" >&6; } |
| if test $libc_cv_arm_tpoff_addend = no; then |
| config_vars="$config_vars |
| test-xfail-tst-tlsalign = yes" |
| config_vars="$config_vars |
| test-xfail-tst-tlsalign-static = yes" |
| fi |
| |
| |
| libc_cv_gcc_unwind_find_fde=no |
| |
| # Remove -fno-unwind-tables that was added in sysdeps/arm/preconfigure.ac. |
| CFLAGS=${CFLAGS% -fno-unwind-tables} |