blob: d10b23dee86c9dfbf6f8763b442822805f4da10c (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
|
# This file is generated from configure.in by Autoconf. DO NOT EDIT!
if test "x$libc_cv_gcc___thread" != xyes; then
{ { echo "$as_me:$LINENO: error: compiler support for __thread is required" >&5
echo "$as_me: error: compiler support for __thread is required" >&2;}
{ (exit 1); exit 1; }; }
fi
if test "x$libc_cv_asm_cfi_directives" != xyes; then
case "$base_machine" in
i386 | x86_64 | powerpc | s390)
{ { echo "$as_me:$LINENO: error: CFI directive support in assembler is required" >&5
echo "$as_me: error: CFI directive support in assembler is required" >&2;}
{ (exit 1); exit 1; }; } ;;
*) ;;
esac
fi
echo "$as_me:$LINENO: checking for forced unwind support" >&5
echo $ECHO_N "checking for forced unwind support... $ECHO_C" >&6
if test "${libc_cv_forced_unwind+set}" = set; then
echo $ECHO_N "(cached) $ECHO_C" >&6
else
cat >conftest.$ac_ext <<_ACEOF
#line $LINENO "configure"
/* confdefs.h. */
_ACEOF
cat confdefs.h >>conftest.$ac_ext
cat >>conftest.$ac_ext <<_ACEOF
/* end confdefs.h. */
#include <unwind.h>
int
main ()
{
struct _Unwind_Exception exc;
struct _Unwind_Context *context;
_Unwind_GetCFA (context)
;
return 0;
}
_ACEOF
rm -f conftest.$ac_objext conftest$ac_exeext
if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
(eval $ac_link) 2>&5
ac_status=$?
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); } &&
{ ac_try='test -s conftest$ac_exeext'
{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
(eval $ac_try) 2>&5
ac_status=$?
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); }; }; then
libc_cv_forced_unwind=yes
else
echo "$as_me: failed program was:" >&5
sed 's/^/| /' conftest.$ac_ext >&5
libc_cv_forced_unwind=no
fi
rm -f conftest.$ac_objext conftest$ac_exeext conftest.$ac_ext
fi
echo "$as_me:$LINENO: result: $libc_cv_forced_unwind" >&5
echo "${ECHO_T}$libc_cv_forced_unwind" >&6
if test $libc_cv_forced_unwind = yes; then
cat >>confdefs.h <<\_ACEOF
#define HAVE_FORCED_UNWIND 1
_ACEOF
old_CFLAGS="$CFLAGS"
CFLAGS="$CFLAGS -Werror -fexceptions"
echo "$as_me:$LINENO: checking for C cleanup handling" >&5
echo $ECHO_N "checking for C cleanup handling... $ECHO_C" >&6
if test "${libc_cv_c_cleanup+set}" = set; then
echo $ECHO_N "(cached) $ECHO_C" >&6
else
cat >conftest.$ac_ext <<_ACEOF
#line $LINENO "configure"
/* confdefs.h. */
_ACEOF
cat confdefs.h >>conftest.$ac_ext
cat >>conftest.$ac_ext <<_ACEOF
/* end confdefs.h. */
#include <stdio.h>
void cl (void *a) { }
extern c (void);
int
main ()
{
int a __attribute__ ((cleanup (cl)));
puts ("test")
;
return 0;
}
_ACEOF
rm -f conftest.$ac_objext conftest$ac_exeext
if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
(eval $ac_link) 2>&5
ac_status=$?
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); } &&
{ ac_try='test -s conftest$ac_exeext'
{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
(eval $ac_try) 2>&5
ac_status=$?
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); }; }; then
libc_cv_c_cleanup=yes
else
echo "$as_me: failed program was:" >&5
sed 's/^/| /' conftest.$ac_ext >&5
libc_cv_c_cleanup=no
fi
rm -f conftest.$ac_objext conftest$ac_exeext conftest.$ac_ext
fi
echo "$as_me:$LINENO: result: $libc_cv_c_cleanup" >&5
echo "${ECHO_T}$libc_cv_c_cleanup" >&6
CFLAGS="$old_CFLAGS"
if test $libc_cv_c_cleanup = no; then
{ { echo "$as_me:$LINENO: error: the compiler must support C cleanup handling" >&5
echo "$as_me: error: the compiler must support C cleanup handling" >&2;}
{ (exit 1); exit 1; }; }
fi
fi
|
