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| author | H.J. Lu <hjl.tools@gmail.com> | 2024-01-03 12:09:23 -0800 |
|---|---|---|
| committer | H.J. Lu <hjl.tools@gmail.com> | 2024-01-04 06:08:55 -0800 |
| commit | bbfb54930cdd85269504a34b362e77a3ac2a207a (patch) | |
| tree | 1e6790858eae27d2762760ca2a3315db2afa8f17 /sysdeps/x86/configure | |
| parent | 0d4a2f3576ebd92ca0001645a533bf70289f264e (diff) | |
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i386: Ignore --enable-cet
Since shadow stack is only supported for x86-64, ignore --enable-cet for
i386. Always setting $(enable-cet) for i386 to "no" to support
ifneq ($(enable-cet),no)
in x86 Makefiles. We can't use
ifeq ($(enable-cet),yes)
since $(enable-cet) can be "yes", "no" or "permissive".
Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Diffstat (limited to 'sysdeps/x86/configure')
| -rw-r--r-- | sysdeps/x86/configure | 70 |
1 files changed, 0 insertions, 70 deletions
diff --git a/sysdeps/x86/configure b/sysdeps/x86/configure index a2f9a7c2c6..1f4c2d67fd 100644 --- a/sysdeps/x86/configure +++ b/sysdeps/x86/configure @@ -1,76 +1,6 @@ # This file is generated from configure.ac by Autoconf. DO NOT EDIT! # Local configure fragment for sysdeps/x86. -if test $enable_cet != no; then - # Check if CET can be enabled. - { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether CET can be enabled" >&5 -printf %s "checking whether CET can be enabled... " >&6; } -if test ${libc_cv_x86_cet_available+y} -then : - printf %s "(cached) " >&6 -else $as_nop - cat > conftest.c <<EOF -#if !defined __CET__ || __CET__ != 3 -# error CET isn't available. -#endif -EOF - if { ac_try='${CC-cc} -c $CFLAGS -fcf-protection -include cet.h conftest.c 1>&5' - { { eval echo "\"\$as_me\":${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 $ac_status = 0; }; }; then - libc_cv_x86_cet_available=yes - else - libc_cv_x86_cet_available=no - fi - rm -rf conftest* -fi -{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $libc_cv_x86_cet_available" >&5 -printf "%s\n" "$libc_cv_x86_cet_available" >&6; } - if test $libc_cv_x86_cet_available != yes; then - as_fn_error $? "$CC doesn't support CET" "$LINENO" 5 - fi -fi -if test $enable_cet != no; then - # Check if assembler supports CET. - { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether assembler supports CET" >&5 -printf %s "checking whether assembler supports CET... " >&6; } -if test ${libc_cv_x86_cet_as+y} -then : - printf %s "(cached) " >&6 -else $as_nop - cat > conftest.s <<EOF - incsspd %ecx -EOF - if { ac_try='${CC-cc} -c $CFLAGS conftest.s -o conftest.o 1>&5' - { { eval echo "\"\$as_me\":${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 $ac_status = 0; }; }; then - libc_cv_x86_cet_as=yes - else - libc_cv_x86_cet_as=no - fi - rm -rf conftest* -fi -{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $libc_cv_x86_cet_as" >&5 -printf "%s\n" "$libc_cv_x86_cet_as" >&6; } - if test $libc_cv_x86_cet_as = no; then - as_fn_error $? "$AS doesn't support CET" "$LINENO" 5 - fi -fi -if test $enable_cet = yes; then - printf "%s\n" "#define DEFAULT_DL_X86_CET_CONTROL cet_elf_property" >>confdefs.h - -elif test $enable_cet = permissive; then - printf "%s\n" "#define DEFAULT_DL_X86_CET_CONTROL cet_permissive" >>confdefs.h - -fi -config_vars="$config_vars -enable-cet = $enable_cet" - # Check if linker supports x86 ISA level. { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for linker x86 ISA level support" >&5 printf %s "checking for linker x86 ISA level support... " >&6; } |