diff options
Diffstat (limited to 'gcc/configure')
| -rwxr-xr-x | gcc/configure | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/gcc/configure b/gcc/configure index 1696595..f056cfe 100755 --- a/gcc/configure +++ b/gcc/configure @@ -27864,6 +27864,35 @@ if test $gcc_cv_as_tls = yes; then fi fi +case $target_os in + win32 | pe | cygwin* | mingw32*) + if test $set_have_as_tls = yes; then + # Hack to check whether ld breaks on @secrel32 for Windows + if test $in_tree_ld = yes; then + if test "$gcc_cv_gld_major_version" -eq 2 -a "$gcc_cv_gld_minor_version" -ge 44 -o "$gcc_cv_gld_major_version" -gt 2; then + : # ld support for @secrel32 was fixed in this version + else + as_fn_error $? "ld version is known to have broken secrel32 relocations, configure without --enable-tls or with --disable-tls to remove this error. See https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80881 for more information." "$LINENO" 5 + fi + elif test x$gcc_cv_as != x -a x$gcc_cv_ld != x -a x$gcc_cv_objdump != x; then + echo '.text' > conftest.s + echo 'foo: nop' >> conftest.s + echo '.data' >> conftest.s + echo '.secrel32 foo' >> conftest.s + if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1 && $gcc_cv_ld -o conftest.exe conftest.o > /dev/null; then + if $gcc_cv_objdump -h conftest.exe | grep '\.reloc\>' > /dev/null; then + as_fn_error $? "ld has broken secrel32 relocations, configure without --enable-tls or with --disable-tls to remove this error. See https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80881 for more information." "$LINENO" 5 + fi + else + as_fn_error $? "Error occurred while checking for broken secrel32 relocations. See https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80881 for more information." "$LINENO" 5 + fi + rm -f conftest.s conftest.o conftest.exe + else + as_fn_error $? "Cannot check for broken secrel32 relocations to determine --enable-tls support. See https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80881 for more information." "$LINENO" 5 + fi + fi + ;; +esac if test $set_have_as_tls = yes ; then $as_echo "#define HAVE_AS_TLS 1" >>confdefs.h @@ -28220,6 +28249,43 @@ $as_echo "#define HAVE_AS_SMALL_PIC_RELOCS 1" >>confdefs.h fi + # Check if we have binutils support for AEABI build attributes. + { $as_echo "$as_me:${as_lineno-$LINENO}: checking assembler for support of AEABI build attributes" >&5 +$as_echo_n "checking assembler for support of AEABI build attributes... " >&6; } +if ${gcc_cv_as_aarch64_aeabi_build_attributes+:} false; then : + $as_echo_n "(cached) " >&6 +else + gcc_cv_as_aarch64_aeabi_build_attributes=no + if test x$gcc_cv_as != x; then + $as_echo ' + .aeabi_subsection aeabi_feature_and_bits, optional, ULEB128 + .aeabi_attribute Tag_Feature_BTI, 1 + .aeabi_attribute Tag_Feature_PAC, 1 + .aeabi_attribute Tag_Feature_GCS, 1 + ' > conftest.s + if { ac_try='$gcc_cv_as $gcc_cv_as_flags -o conftest.o conftest.s >&5' + { { eval echo "\"\$as_me\":${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 + gcc_cv_as_aarch64_aeabi_build_attributes=yes + else + echo "configure: failed program was" >&5 + cat conftest.s >&5 + fi + rm -f conftest.o conftest.s + fi +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gcc_cv_as_aarch64_aeabi_build_attributes" >&5 +$as_echo "$gcc_cv_as_aarch64_aeabi_build_attributes" >&6; } +if test $gcc_cv_as_aarch64_aeabi_build_attributes = yes; then + +$as_echo "#define HAVE_AS_AEABI_BUILD_ATTRIBUTES 1" >>confdefs.h + +fi + # Enable Branch Target Identification Mechanism and Return Address # Signing by default. # Check whether --enable-standard-branch-protection was given. |