diff options
Diffstat (limited to 'configure')
| -rwxr-xr-x | configure | 151 |
1 files changed, 102 insertions, 49 deletions
@@ -620,7 +620,6 @@ libc_cv_cc_loop_to_function libc_cv_cc_submachine libc_cv_cc_nofma libc_cv_mtls_dialect_gnu2 -stack_protector fno_unit_at_a_time libc_cv_output_format libc_cv_has_glob_dat @@ -661,6 +660,9 @@ sysdeps_add_ons sysnames submachine multi_arch +no_stack_protector +stack_protector +libc_cv_ssp base_machine add_on_subdirs add_ons @@ -766,6 +768,7 @@ enable_lock_elision enable_add_ons enable_hidden_plt enable_bind_now +enable_stack_protector enable_static_nss enable_force_install enable_maintainer_mode @@ -1427,6 +1430,9 @@ Optional Features: for add-ons if no parameter given --disable-hidden-plt do not hide internal function calls to avoid PLT --enable-bind-now disable lazy relocations in DSOs + --enable-stack-protector=[yes|no|all|strong] + Use -fstack-protector[-all|-strong] to detect glibc + buffer overflows --enable-static-nss build static NSS modules [default=no] --disable-force-install don't force installation of files from this package, even if they are older than the installed files @@ -3427,6 +3433,18 @@ if test "x$bindnow" = xyes; then fi +# Check whether --enable-stack-protector was given. +if test "${enable_stack_protector+set}" = set; then : + enableval=$enable_stack_protector; enable_stack_protector=$enableval +else + enable_stack_protector=no +fi + +case "$enable_stack_protector" in +all|yes|no|strong) ;; +*) as_fn_error $? "Not a valid argument for --enable-stack-protector: \"$enable_stack_protector\"" "$LINENO" 5;; +esac + # Check whether --enable-static-nss was given. if test "${enable_static_nss+set}" = set; then : enableval=$enable_static_nss; static_nss=$enableval @@ -3912,6 +3930,89 @@ fi test -n "$base_machine" || base_machine=$machine +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for -fstack-protector" >&5 +$as_echo_n "checking for -fstack-protector... " >&6; } +if ${libc_cv_ssp+:} false; then : + $as_echo_n "(cached) " >&6 +else + if { ac_try='${CC-cc} $CFLAGS $CPPFLAGS -Werror -fstack-protector -xc /dev/null -S -o /dev/null' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + libc_cv_ssp=yes +else + libc_cv_ssp=no +fi + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_ssp" >&5 +$as_echo "$libc_cv_ssp" >&6; } + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for -fstack-protector-strong" >&5 +$as_echo_n "checking for -fstack-protector-strong... " >&6; } +if ${libc_cv_ssp_strong+:} false; then : + $as_echo_n "(cached) " >&6 +else + if { ac_try='${CC-cc} $CFLAGS $CPPFLAGS -Werror -fstack-protector-strong -xc /dev/null -S -o /dev/null' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + libc_cv_ssp_strong=yes +else + libc_cv_ssp_strong=no +fi + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_ssp_strong" >&5 +$as_echo "$libc_cv_ssp_strong" >&6; } + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for -fstack-protector-all" >&5 +$as_echo_n "checking for -fstack-protector-all... " >&6; } +if ${libc_cv_ssp_all+:} false; then : + $as_echo_n "(cached) " >&6 +else + if { ac_try='${CC-cc} $CFLAGS $CPPFLAGS -Werror -fstack-protector-all -xc /dev/null -S -o /dev/null' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + libc_cv_ssp_all=yes +else + libc_cv_ssp_all=no +fi + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_ssp_all" >&5 +$as_echo "$libc_cv_ssp_all" >&6; } + +stack_protector= +no_stack_protector= +if test "$libc_cv_ssp" = yes; then + no_stack_protector="-fno-stack-protector -DSTACK_PROTECTOR_LEVEL=0" +fi + +if test "$enable_stack_protector" = yes && test "$libc_cv_ssp" = yes; then + stack_protector="-fstack-protector" + $as_echo "#define STACK_PROTECTOR_LEVEL 1" >>confdefs.h + +elif test "$enable_stack_protector" = all && test "$libc_cv_ssp_all" = yes; then + stack_protector="-fstack-protector-all" + $as_echo "#define STACK_PROTECTOR_LEVEL 2" >>confdefs.h + +elif test "$enable_stack_protector" = strong && test "$libc_cv_ssp_strong" = yes; then + stack_protector="-fstack-protector-strong" + $as_echo "#define STACK_PROTECTOR_LEVEL 3" >>confdefs.h + +fi + + + + # For the multi-arch option we need support in the assembler & linker. { $as_echo "$as_me:${as_lineno-$LINENO}: checking for assembler and linker STT_GNU_IFUNC support" >&5 $as_echo_n "checking for assembler and linker STT_GNU_IFUNC support... " >&6; } @@ -5915,54 +6016,6 @@ else fi -{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for -fstack-protector" >&5 -$as_echo_n "checking for -fstack-protector... " >&6; } -if ${libc_cv_ssp+:} false; then : - $as_echo_n "(cached) " >&6 -else - if { ac_try='${CC-cc} $CFLAGS $CPPFLAGS -Werror -fstack-protector -xc /dev/null -S -o /dev/null' - { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 - (eval $ac_try) 2>&5 - ac_status=$? - $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 - test $ac_status = 0; }; }; then : - libc_cv_ssp=yes -else - libc_cv_ssp=no -fi - -fi -{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_ssp" >&5 -$as_echo "$libc_cv_ssp" >&6; } - -{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for -fstack-protector-strong" >&5 -$as_echo_n "checking for -fstack-protector-strong... " >&6; } -if ${libc_cv_ssp_strong+:} false; then : - $as_echo_n "(cached) " >&6 -else - if { ac_try='${CC-cc} $CFLAGS $CPPFLAGS -Werror -fstack-protector-strong -xc /dev/null -S -o /dev/null' - { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 - (eval $ac_try) 2>&5 - ac_status=$? - $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 - test $ac_status = 0; }; }; then : - libc_cv_ssp_strong=yes -else - libc_cv_ssp_strong=no -fi - -fi -{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_ssp_strong" >&5 -$as_echo "$libc_cv_ssp_strong" >&6; } - -stack_protector= -if test "$libc_cv_ssp_strong" = "yes"; then - stack_protector="-fstack-protector-strong" -elif test "$libc_cv_ssp" = "yes"; then - stack_protector="-fstack-protector" -fi - - { $as_echo "$as_me:${as_lineno-$LINENO}: checking for -mtls-dialect=gnu2" >&5 $as_echo_n "checking for -mtls-dialect=gnu2... " >&6; } if ${libc_cv_mtls_dialect_gnu2+:} false; then : |