Weaken -fstack-protector configure test to a compile test.

This commit is contained in:
Thomas Schwinge 2012-03-21 17:51:08 +00:00 committed by Joseph Myers
parent 8149f97606
commit 1722813295
3 changed files with 14 additions and 21 deletions

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@ -1,3 +1,10 @@
2012-03-21 Thomas Schwinge <thomas@codesourcery.com>
Joseph Myers <joseph@codesourcery.com>
* configure.in (libc_cv_ssp): Use LIBC_TRY_CC_OPTION instead of a
link test.
* configure: Regenerated.
2012-03-21 Thomas Schwinge <thomas@codesourcery.com>
* conform/conformtest.pl: Handle --tmpdir argument, defaulting to /tmp.

12
configure vendored
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@ -6643,23 +6643,17 @@ $as_echo_n "checking for -fstack-protector... " >&6; }
if ${libc_cv_ssp+:} false; then :
$as_echo_n "(cached) " >&6
else
cat > conftest.c <<EOF
int foo;
main () { return 0;}
EOF
if { ac_try='${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS -Werror -fstack-protector
-o conftest conftest.c 1>&5'
if { ac_try='${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
test $ac_status = 0; }; }; then :
libc_cv_ssp=yes
else
libc_cv_ssp=no
fi
rm -f conftest*
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_ssp" >&5
$as_echo "$libc_cv_ssp" >&6; }

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@ -1753,18 +1753,10 @@ fi
AC_SUBST(fno_unit_at_a_time)
AC_CACHE_CHECK(for -fstack-protector, libc_cv_ssp, [dnl
cat > conftest.c <<EOF
int foo;
main () { return 0;}
EOF
if AC_TRY_COMMAND([${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS -Werror -fstack-protector
-o conftest conftest.c 1>&AS_MESSAGE_LOG_FD])
then
libc_cv_ssp=yes
else
libc_cv_ssp=no
fi
rm -f conftest*])
LIBC_TRY_CC_OPTION([$CFLAGS $CPPFLAGS -Werror -fstack-protector],
[libc_cv_ssp=yes],
[libc_cv_ssp=no])
])
AC_SUBST(libc_cv_ssp)
AC_CACHE_CHECK(for -fgnu89-inline, libc_cv_gnu89_inline, [dnl