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* configure.in: Check for __register_frame_info in both

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-lgcc and -lgcc_eh.
	* configure: Regenerated.
This commit is contained in:
Roland McGrath 2003-04-02 20:03:30 +00:00
parent fabb2e1c04
commit 426074293f
3 changed files with 25 additions and 30 deletions
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6
ChangeLog
View file

@ -1,3 +1,9 @@
2003-04-02 Daniel Jacobowitz <drow@mvista.com>
* configure.in: Check for __register_frame_info in both
-lgcc and -lgcc_eh.
* configure: Regenerated.
2003-04-01 Roland McGrath <roland@redhat.com>
* scripts/abilist.awk: Allow dots in soname suffix.

31
configure vendored
View file

@ -5548,28 +5548,23 @@ abort () {}
__bzero () {}
dl_iterate_phdr () {}
EOF
if { ac_try='${CC-cc} $CFLAGS -DCHECK__register_frame_info
-nostdlib -nostartfiles
-o conftest conftest.c -lgcc >&5'
{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
(eval $ac_try) 2>&5
ac_status=$?
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); }; }; then
libc_cv_gcc_dwarf2_unwind_info=static
else
libc_cv_gcc_dwarf2_unwind_info=no
fi
# Some platforms' specs put -lgcc first. The second one doesn't hurt.
libc_unwind_check="${CC-cc} $CFLAGS -DCHECK__register_frame_info \
-nostdlib -nostartfiles -o conftest conftest.c \
-lgcc -lgcc_eh -lgcc"
-nostdlib -nostartfiles -o conftest conftest.c \
-lgcc"
# Some platforms' specs put -lgcc first. The second one doesn't hurt.
if { ac_try='$libc_unwind_check >&5'
{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
(eval $ac_try) 2>&5
ac_status=$?
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); }; }; then
(exit $ac_status); }; } ||
{ ac_try='$libc_unwind_check -lgcc_eh -lgcc >&5'
{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
(eval $ac_try) 2>&5
ac_status=$?
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); }; }
then
if $libc_unwind_check -v 2>&1 >/dev/null \
| grep -q -- --eh-frame-hdr; then
libc_cv_gcc_dwarf2_unwind_info=no_registry_needed
@ -5622,7 +5617,7 @@ if test "${libc_cv_gcc_builtin_expect+set}" = set; then
echo $ECHO_N "(cached) $ECHO_C" >&6
else
cat > conftest.c <<EOF
#line 5625 "configure"
#line 5620 "configure"
int foo (int a)
{
a = __builtin_expect (a, 10);
@ -5690,7 +5685,7 @@ if test "${libc_cv_gcc_subtract_local_labels+set}" = set; then
echo $ECHO_N "(cached) $ECHO_C" >&6
else
cat > conftest.c <<EOF
#line 5693 "configure"
#line 5688 "configure"
int foo (int a)
{
static const int ar[] = { &&l1 - &&l1, &&l2 - &&l1 };

18
configure.in
View file

@ -1604,19 +1604,13 @@ abort () {}
__bzero () {}
dl_iterate_phdr () {}
EOF
dnl No \ in command here because it ends up inside ''.
if AC_TRY_COMMAND([${CC-cc} $CFLAGS -DCHECK__register_frame_info
-nostdlib -nostartfiles
-o conftest conftest.c -lgcc >&AS_MESSAGE_LOG_FD]); then
libc_cv_gcc_dwarf2_unwind_info=static
else
libc_cv_gcc_dwarf2_unwind_info=no
fi
# Some platforms' specs put -lgcc first. The second one doesn't hurt.
libc_unwind_check="${CC-cc} $CFLAGS -DCHECK__register_frame_info \
-nostdlib -nostartfiles -o conftest conftest.c \
-lgcc -lgcc_eh -lgcc"
if AC_TRY_COMMAND([$libc_unwind_check >&AS_MESSAGE_LOG_FD]); then
-nostdlib -nostartfiles -o conftest conftest.c \
-lgcc"
# Some platforms' specs put -lgcc first. The second one doesn't hurt.
if AC_TRY_COMMAND([$libc_unwind_check >&AS_MESSAGE_LOG_FD]) ||
AC_TRY_COMMAND([$libc_unwind_check -lgcc_eh -lgcc >&AS_MESSAGE_LOG_FD])
then
if $libc_unwind_check -v 2>&1 >/dev/null \
| grep -q -- --eh-frame-hdr; then
libc_cv_gcc_dwarf2_unwind_info=no_registry_needed