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Weaken PIE configure test to a compile test.

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This commit is contained in:
Joseph Myers 2012-05-30 09:50:40 +00:00
parent 865eac65c2
commit 4da0431d5f
3 changed files with 11 additions and 21 deletions
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6
ChangeLog
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@ -1,3 +1,9 @@
2012-05-30 Joseph Myers <joseph@codesourcery.com>
* configure.in (libc_cv_fpie): Weaken to a compile test using
LIBC_TRY_CC_OPTION.
* configure: Regenerated.
2012-05-29 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
* sysdeps/unix/sysv/linux/s390/s390-32/nptl/ld.abilist: Refreshed.

12
configure vendored
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@ -6490,23 +6490,17 @@ $as_echo_n "checking for -fpie... " >&6; }
if ${libc_cv_fpie+:} 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 $LDFLAGS -pie -fpie
-o conftest conftest.c 1>&5'
if { ac_try='${CC-cc} -fpie -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_fpie=yes
else
libc_cv_fpie=no
fi
rm -f conftest*
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_fpie" >&5
$as_echo "$libc_cv_fpie" >&6; }

14
configure.in
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@ -1618,18 +1618,8 @@ rm -f conftest*])
AC_SUBST(libc_cv_z_execstack)
AC_CACHE_CHECK(for -fpie, libc_cv_fpie, [dnl
cat > conftest.c <<EOF
int foo;
main () { return 0;}
EOF
if AC_TRY_COMMAND([${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS -pie -fpie
-o conftest conftest.c 1>&AS_MESSAGE_LOG_FD])
then
libc_cv_fpie=yes
else
libc_cv_fpie=no
fi
rm -f conftest*])
LIBC_TRY_CC_OPTION([-fpie], [libc_cv_fpie=yes], [libc_cv_fpie=no])
])
AC_SUBST(libc_cv_fpie)