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elf: Skip tst-auditlogmod-* if the linker doesn't support --depaudit [BZ #28151]

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gold and ld.lld do not support --audit or --depaudit.

Reviewed-by: Adhemerval Zanella  <adhemerval.zanella@linaro.org>
This commit is contained in:
Fangrui Song 2021-08-24 09:35:32 -07:00
parent f9cd7d5d19
commit 9926f6e2ee
3 changed files with 41 additions and 1 deletions
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34
configure vendored
View File

@ -5969,6 +5969,40 @@ $as_echo "$libc_linker_feature" >&6; }
config_vars="$config_vars
have-z-start-stop-gc = $libc_cv_z_start_stop_gc"
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for linker that supports --depaudit" >&5
$as_echo_n "checking for linker that supports --depaudit... " >&6; }
libc_linker_feature=no
if test x"$gnu_ld" = x"yes"; then
libc_linker_check=`$LD -v --help 2>/dev/null | grep "\--depaudit"`
if test -n "$libc_linker_check"; then
cat > conftest.c <<EOF
int _start (void) { return 42; }
EOF
if { ac_try='${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS $no_ssp
-Wl,--depaudit,x -nostdlib -nostartfiles
-fPIC -shared -o conftest.so conftest.c
1>&5'
{ { eval echo "\"\$as_me\":${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
libc_linker_feature=yes
fi
rm -f conftest*
fi
fi
if test $libc_linker_feature = yes; then
libc_cv_depaudit=yes
else
libc_cv_depaudit=no
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_linker_feature" >&5
$as_echo "$libc_linker_feature" >&6; }
config_vars="$config_vars
have-depaudit = $libc_cv_depaudit"
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for linker that supports --no-dynamic-linker" >&5
$as_echo_n "checking for linker that supports --no-dynamic-linker... " >&6; }
libc_linker_feature=no

4
configure.ac
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@ -1337,6 +1337,10 @@ LIBC_LINKER_FEATURE([-z start-stop-gc], [-Wl,-z,start-stop-gc],
[libc_cv_z_start_stop_gc=yes], [libc_cv_z_start_stop_gc=no])
LIBC_CONFIG_VAR([have-z-start-stop-gc], [$libc_cv_z_start_stop_gc])
LIBC_LINKER_FEATURE([--depaudit], [-Wl,--depaudit,x],
[libc_cv_depaudit=yes], [libc_cv_depaudit=no])
LIBC_CONFIG_VAR([have-depaudit], [$libc_cv_depaudit])
LIBC_LINKER_FEATURE([--no-dynamic-linker],
[-Wl,--no-dynamic-linker],
[libc_cv_no_dynamic_linker=yes],

4
elf/Makefile
View File

@ -219,7 +219,6 @@ tests += restest1 preloadtest loadfail multiload origtest resolvfail \
tst-dlopen-self tst-auditmany tst-initfinilazyfail tst-dlopenfail \
tst-dlopenfail-2 \
tst-filterobj tst-filterobj-dlopen tst-auxobj tst-auxobj-dlopen \
tst-audit14 tst-audit15 tst-audit16 tst-audit17 \
tst-single_threaded tst-single_threaded-pthread \
tst-tls-ie tst-tls-ie-dlmopen argv0test \
tst-glibc-hwcaps tst-glibc-hwcaps-prepend tst-glibc-hwcaps-mask \
@ -238,6 +237,9 @@ selinux-enabled := $(shell cat /selinux/enforce 2> /dev/null)
ifneq ($(selinux-enabled),1)
tests-execstack-yes = tst-execstack tst-execstack-needed tst-execstack-prog
endif
ifeq ($(have-depaudit),yes)
tests += tst-audit14 tst-audit15 tst-audit16
endif
endif
tests += $(tests-execstack-$(have-z-execstack))
ifeq ($(run-built-tests),yes)