lib/glibc
lib/glibc
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2003-03-15 Roland McGrath <roland@redhat.com>

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* configure.in (libc_cv_visibility_attribute): Use AC_TRY_COMMAND,
	get errors into the log file.
	(libc_cv_broken_visibility_attribute): Likewise.
	(libc_cv_broken_alias_attribute): Likewise.
	(libc_cv_asm_weak_directive): Likewise.
	(libc_cv_need_minus_P): Likewise.
	(libc_cv_dot_text): Likewise.
	(libc_cv_asm_global_directive): Likewise.
	(libc_cv_asm_type_prefix): Likewise.
	* configure: Regenerated.
This commit is contained in:
Roland McGrath 2003-03-16 02:47:28 +00:00
parent 49773c1993
commit 61cea1c312
2 changed files with 67 additions and 22 deletions
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71
configure vendored
View File

@ -4357,7 +4357,12 @@ else
#include "confdefs.h" #include "confdefs.h"
/* Nothing whatsoever. */ /* Nothing whatsoever. */
EOF EOF
if ${CC-cc} $CFLAGS -c conftest.S 2>/dev/null; then if { ac_try='${CC-cc} $CFLAGS -c conftest.S 1>&5'
{ (eval echo "$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_need_minus_P=no libc_cv_need_minus_P=no
else else
libc_cv_need_minus_P=yes libc_cv_need_minus_P=yes
@ -4380,7 +4385,12 @@ else
.text .text
EOF EOF
libc_cv_dot_text= libc_cv_dot_text=
if ${CC-cc} $CFLAGS -c conftest.s 2>/dev/null; then if { ac_try='${CC-cc} $CFLAGS -c conftest.s 1>&5'
{ (eval echo "$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_dot_text=.text libc_cv_dot_text=.text
fi fi
rm -f conftest* rm -f conftest*
@ -4406,7 +4416,12 @@ for ac_globl in .globl .global .EXPORT; do
${ac_globl} foo ${ac_globl} foo
foo: foo:
EOF EOF
if ${CC-cc} $CFLAGS -c conftest.s 2>/dev/null; then if { ac_try='${CC-cc} $CFLAGS -c conftest.s 1>&5'
{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
(eval $ac_try) 2>&5
ac_status=$?
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); }; }; then
libc_cv_asm_global_directive=${ac_globl} libc_cv_asm_global_directive=${ac_globl}
fi fi
rm -f conftest* rm -f conftest*
@ -4475,7 +4490,12 @@ for ac_try_prefix in '@' '%' '#'; do
foo: foo:
.byte 1 .byte 1
EOF EOF
if ${CC-cc} $CFLAGS -c conftest.s 2>/dev/null; then if { ac_try='${CC-cc} $CFLAGS -c conftest.s 1>&5'
{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
(eval $ac_try) 2>&5
ac_status=$?
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); }; }; then
libc_cv_asm_type_prefix=${ac_try_prefix} libc_cv_asm_type_prefix=${ac_try_prefix}
fi fi
rm -f conftest* rm -f conftest*
@ -4692,7 +4712,12 @@ else
int bar __attribute__ ((visibility ("protected"))) = 1; int bar __attribute__ ((visibility ("protected"))) = 1;
EOF EOF
libc_cv_visibility_attribute=no libc_cv_visibility_attribute=no
if ${CC-cc} -Werror -S conftest.c -o conftest.s >/dev/null 2>&1; then if { ac_try='${CC-cc} -Werror -S conftest.c -o conftest.s 1>&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 grep '\.hidden.*foo' conftest.s >/dev/null; then if grep '\.hidden.*foo' conftest.s >/dev/null; then
if grep '\.protected.*bar' conftest.s >/dev/null; then if grep '\.protected.*bar' conftest.s >/dev/null; then
libc_cv_visibility_attribute=yes libc_cv_visibility_attribute=yes
@ -4724,7 +4749,12 @@ else
int bar (int x) { return x; } int bar (int x) { return x; }
EOF EOF
libc_cv_broken_visibility_attribute=yes libc_cv_broken_visibility_attribute=yes
if ${CC-cc} -Werror -S conftest.c -o conftest.s >/dev/null 2>&1; then if { ac_try='${CC-cc} -Werror -S conftest.c -o conftest.s1>&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 grep '\.hidden[ _]foo' conftest.s >/dev/null; then if grep '\.hidden[ _]foo' conftest.s >/dev/null; then
libc_cv_broken_visibility_attribute=no libc_cv_broken_visibility_attribute=no
fi fi
@ -4756,7 +4786,12 @@ else
int dfoo = 1; int dfoo = 1;
EOF EOF
libc_cv_broken_alias_attribute=yes libc_cv_broken_alias_attribute=yes
if ${CC-cc} -Werror -S conftest.c -o conftest.s >/dev/null 2>&1; then if { ac_try='${CC-cc} -Werror -S conftest.c -o conftest.s 1>&5'
{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
(eval $ac_try) 2>&5
ac_status=$?
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); }; }; then
if grep 'xyzzy' conftest.s >/dev/null && if grep 'xyzzy' conftest.s >/dev/null &&
grep 'abccb' conftest.s >/dev/null; then grep 'abccb' conftest.s >/dev/null; then
libc_cv_broken_alias_attribute=no libc_cv_broken_alias_attribute=no
@ -5128,7 +5163,7 @@ if test "${libc_cv_asm_underscores+set}" = set; then
echo $ECHO_N "(cached) $ECHO_C" >&6 echo $ECHO_N "(cached) $ECHO_C" >&6
else else
cat > conftest.$ac_ext <<EOF cat > conftest.$ac_ext <<EOF
#line 5131 "configure" #line 5166 "configure"
#include "confdefs.h" #include "confdefs.h"
void underscore_test(void) { void underscore_test(void) {
return; } return; }
@ -5180,7 +5215,12 @@ foo:
.weak foo .weak foo
.weak bar; bar = foo .weak bar; bar = foo
EOF EOF
if ${CC-cc} $CFLAGS -c conftest.s 2>/dev/null; then if { ac_try='${CC-cc} $CFLAGS -c conftest.s 1>&5'
{ (eval echo "$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_asm_weak_directive=yes libc_cv_asm_weak_directive=yes
else else
libc_cv_asm_weak_directive=no libc_cv_asm_weak_directive=no
@ -5205,7 +5245,12 @@ foo:
${libc_cv_asm_global_directive} baz ${libc_cv_asm_global_directive} baz
baz: baz:
EOF EOF
if ${CC-cc} $CFLAGS -c conftest.s 2>/dev/null; then if { ac_try='${CC-cc} $CFLAGS -c conftest.s 1>&5'
{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
(eval $ac_try) 2>&5
ac_status=$?
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); }; }; then
libc_cv_asm_weakext_directive=yes libc_cv_asm_weakext_directive=yes
else else
libc_cv_asm_weakext_directive=no libc_cv_asm_weakext_directive=no
@ -5444,7 +5489,7 @@ if test "${libc_cv_gcc_dwarf2_unwind_info+set}" = set; then
echo $ECHO_N "(cached) $ECHO_C" >&6 echo $ECHO_N "(cached) $ECHO_C" >&6
else else
cat > conftest.c <<EOF cat > conftest.c <<EOF
#line 5447 "configure" #line 5492 "configure"
static char *__EH_FRAME_BEGIN__; static char *__EH_FRAME_BEGIN__;
_start () _start ()
{ {
@ -5544,7 +5589,7 @@ if test "${libc_cv_gcc_builtin_expect+set}" = set; then
echo $ECHO_N "(cached) $ECHO_C" >&6 echo $ECHO_N "(cached) $ECHO_C" >&6
else else
cat > conftest.c <<EOF cat > conftest.c <<EOF
#line 5547 "configure" #line 5592 "configure"
int foo (int a) int foo (int a)
{ {
a = __builtin_expect (a, 10); a = __builtin_expect (a, 10);
@ -5612,7 +5657,7 @@ if test "${libc_cv_gcc_subtract_local_labels+set}" = set; then
echo $ECHO_N "(cached) $ECHO_C" >&6 echo $ECHO_N "(cached) $ECHO_C" >&6
else else
cat > conftest.c <<EOF cat > conftest.c <<EOF
#line 5615 "configure" #line 5660 "configure"
int foo (int a) int foo (int a)
{ {
static const int ar[] = { &&l1 - &&l1, &&l2 - &&l1 }; static const int ar[] = { &&l1 - &&l1, &&l2 - &&l1 };

18
configure.in
View File

@ -889,7 +889,7 @@ cat > conftest.S <<EOF
#include "confdefs.h" #include "confdefs.h"
/* Nothing whatsoever. */ /* Nothing whatsoever. */
EOF EOF
if ${CC-cc} $CFLAGS -c conftest.S 2>/dev/null; then if AC_TRY_COMMAND(${CC-cc} $CFLAGS -c conftest.S 1>&AS_MESSAGE_LOG_FD); then
libc_cv_need_minus_P=no libc_cv_need_minus_P=no
else else
libc_cv_need_minus_P=yes libc_cv_need_minus_P=yes
@ -906,7 +906,7 @@ cat > conftest.s <<EOF
.text .text
EOF EOF
libc_cv_dot_text= libc_cv_dot_text=
if ${CC-cc} $CFLAGS -c conftest.s 2>/dev/null; then if AC_TRY_COMMAND(${CC-cc} $CFLAGS -c conftest.s 1>&AS_MESSAGE_LOG_FD); then
libc_cv_dot_text=.text libc_cv_dot_text=.text
fi fi
rm -f conftest*]) rm -f conftest*])
@ -925,7 +925,7 @@ for ac_globl in .globl .global .EXPORT; do
${ac_globl} foo ${ac_globl} foo
foo: foo:
EOF EOF
if ${CC-cc} $CFLAGS -c conftest.s 2>/dev/null; then if AC_TRY_COMMAND(${CC-cc} $CFLAGS -c conftest.s 1>&AS_MESSAGE_LOG_FD); then
libc_cv_asm_global_directive=${ac_globl} libc_cv_asm_global_directive=${ac_globl}
fi fi
rm -f conftest* rm -f conftest*
@ -973,7 +973,7 @@ for ac_try_prefix in '@' '%' '#'; do
foo: foo:
.byte 1 .byte 1
EOF EOF
if ${CC-cc} $CFLAGS -c conftest.s 2>/dev/null; then if AC_TRY_COMMAND(${CC-cc} $CFLAGS -c conftest.s 1>&AS_MESSAGE_LOG_FD); then
libc_cv_asm_type_prefix=${ac_try_prefix} libc_cv_asm_type_prefix=${ac_try_prefix}
fi fi
rm -f conftest* rm -f conftest*
@ -1111,7 +1111,7 @@ EOF
int bar __attribute__ ((visibility ("protected"))) = 1; int bar __attribute__ ((visibility ("protected"))) = 1;
EOF EOF
libc_cv_visibility_attribute=no libc_cv_visibility_attribute=no
if ${CC-cc} -Werror -S conftest.c -o conftest.s >/dev/null 2>&1; then if AC_TRY_COMMAND(${CC-cc} -Werror -S conftest.c -o conftest.s 1>&AS_MESSAGE_LOG_FD); then
if grep '\.hidden.*foo' conftest.s >/dev/null; then if grep '\.hidden.*foo' conftest.s >/dev/null; then
if grep '\.protected.*bar' conftest.s >/dev/null; then if grep '\.protected.*bar' conftest.s >/dev/null; then
libc_cv_visibility_attribute=yes libc_cv_visibility_attribute=yes
@ -1134,7 +1134,7 @@ EOF
int bar (int x) { return x; } int bar (int x) { return x; }
EOF EOF
libc_cv_broken_visibility_attribute=yes libc_cv_broken_visibility_attribute=yes
if ${CC-cc} -Werror -S conftest.c -o conftest.s >/dev/null 2>&1; then if AC_TRY_COMMAND(${CC-cc} -Werror -S conftest.c -o conftest.s1>&AS_MESSAGE_LOG_FD); then
changequote(,)dnl changequote(,)dnl
if grep '\.hidden[ _]foo' conftest.s >/dev/null; then if grep '\.hidden[ _]foo' conftest.s >/dev/null; then
changequote([,])dnl changequote([,])dnl
@ -1159,7 +1159,7 @@ changequote([,])dnl
int dfoo = 1; int dfoo = 1;
EOF EOF
libc_cv_broken_alias_attribute=yes libc_cv_broken_alias_attribute=yes
if ${CC-cc} -Werror -S conftest.c -o conftest.s >/dev/null 2>&1; then if AC_TRY_COMMAND(${CC-cc} -Werror -S conftest.c -o conftest.s 1>&AS_MESSAGE_LOG_FD); then
if grep 'xyzzy' conftest.s >/dev/null && if grep 'xyzzy' conftest.s >/dev/null &&
grep 'abccb' conftest.s >/dev/null; then grep 'abccb' conftest.s >/dev/null; then
libc_cv_broken_alias_attribute=no libc_cv_broken_alias_attribute=no
@ -1398,7 +1398,7 @@ foo:
.weak foo .weak foo
.weak bar; bar = foo .weak bar; bar = foo
EOF EOF
if ${CC-cc} $CFLAGS -c conftest.s 2>/dev/null; then if AC_TRY_COMMAND(${CC-cc} $CFLAGS -c conftest.s 1>&AS_MESSAGE_LOG_FD); then
libc_cv_asm_weak_directive=yes libc_cv_asm_weak_directive=yes
else else
libc_cv_asm_weak_directive=no libc_cv_asm_weak_directive=no
@ -1418,7 +1418,7 @@ foo:
${libc_cv_asm_global_directive} baz ${libc_cv_asm_global_directive} baz
baz: baz:
EOF EOF
if ${CC-cc} $CFLAGS -c conftest.s 2>/dev/null; then if AC_TRY_COMMAND(${CC-cc} $CFLAGS -c conftest.s 1>&AS_MESSAGE_LOG_FD); then
libc_cv_asm_weakext_directive=yes libc_cv_asm_weakext_directive=yes
else else
libc_cv_asm_weakext_directive=no libc_cv_asm_weakext_directive=no