diff options
Diffstat (limited to 'configure')
| -rwxr-xr-x | configure | 48 |
1 files changed, 47 insertions, 1 deletions
@@ -862,6 +862,8 @@ device_driver_group_pcmcia_TRUE device_driver_group_pcmcia_FALSE device_driver_group_scsi_TRUE device_driver_group_scsi_FALSE +disable_smashing_stack_protector_TRUE +disable_smashing_stack_protector_FALSE LIBOBJS LTLIBOBJS' ac_subst_files='' @@ -9174,6 +9176,41 @@ ac_config_links="$ac_config_links linux/src/include/asm:linux/src/include/asm-${ # +# Compiler features. +# + +# Smashing stack protector. +ssp_possible=yes +{ echo "$as_me:$LINENO: checking whether the compiler accepts \`-fstack-protector'" >&5 +echo $ECHO_N "checking whether the compiler accepts \`-fstack-protector'... $ECHO_C" >&6; } +# Is this a reliable test case? +cat >conftest.$ac_ext <<_ACEOF +void foo (void) { volatile char a[8]; a[3]; } +_ACEOF +# `$CC -c -o ...' might not be portable. But, oh, well... Is calling +# `ac_compile' like this correct, after all? +if eval "$ac_compile -S -fstack-protector -o conftest.s" 2> /dev/null; then + { echo "$as_me:$LINENO: result: yes" >&5 +echo "${ECHO_T}yes" >&6; } + # Should we clear up other files as well, having called `AC_LANG_CONFTEST'? + rm -f conftest.s +else + ssp_possible=no + { echo "$as_me:$LINENO: result: no" >&5 +echo "${ECHO_T}no" >&6; } +fi +# Need that, because some distributions ship compilers that include +# `-fstack-protector' in the default specs. + if [ x"$ssp_possible" = xyes ]; then + disable_smashing_stack_protector_TRUE= + disable_smashing_stack_protector_FALSE='#' +else + disable_smashing_stack_protector_TRUE='#' + disable_smashing_stack_protector_FALSE= +fi + + +# # Output. # @@ -10139,6 +10176,13 @@ echo "$as_me: error: conditional \"device_driver_group_scsi\" was never defined. Usually this means the macro was only invoked conditionally." >&2;} { (exit 1); exit 1; }; } fi +if test -z "${disable_smashing_stack_protector_TRUE}" && test -z "${disable_smashing_stack_protector_FALSE}"; then + { { echo "$as_me:$LINENO: error: conditional \"disable_smashing_stack_protector\" was never defined. +Usually this means the macro was only invoked conditionally." >&5 +echo "$as_me: error: conditional \"disable_smashing_stack_protector\" was never defined. +Usually this means the macro was only invoked conditionally." >&2;} + { (exit 1); exit 1; }; } +fi : ${CONFIG_STATUS=./config.status} ac_clean_files_save=$ac_clean_files @@ -11098,11 +11142,13 @@ device_driver_group_pcmcia_TRUE!$device_driver_group_pcmcia_TRUE$ac_delim device_driver_group_pcmcia_FALSE!$device_driver_group_pcmcia_FALSE$ac_delim device_driver_group_scsi_TRUE!$device_driver_group_scsi_TRUE$ac_delim device_driver_group_scsi_FALSE!$device_driver_group_scsi_FALSE$ac_delim +disable_smashing_stack_protector_TRUE!$disable_smashing_stack_protector_TRUE$ac_delim +disable_smashing_stack_protector_FALSE!$disable_smashing_stack_protector_FALSE$ac_delim LIBOBJS!$LIBOBJS$ac_delim LTLIBOBJS!$LTLIBOBJS$ac_delim _ACEOF - if test `sed -n "s/.*$ac_delim\$/X/p" conf$$subs.sed | grep -c X` = 9; then + if test `sed -n "s/.*$ac_delim\$/X/p" conf$$subs.sed | grep -c X` = 11; then break elif $ac_last_try; then { { echo "$as_me:$LINENO: error: could not make $CONFIG_STATUS" >&5 |