blob: 65b7b02f2027704dd8faf99fa6380ddc2f6e4e2e (
plain)
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
130
131
132
133
134
135
136
137
138
139
140
141
142
|
--- configure.old 2010-11-07 16:07:29.000000000 -0600
+++ configure.new 2010-11-07 16:08:56.000000000 -0600
@@ -23,139 +23,10 @@ $as_echo "$as_me: error: CFI directive s
esac
fi
-
-{ $as_echo "$as_me:$LINENO: checking for forced unwind support" >&5
-$as_echo_n "checking for forced unwind support... " >&6; }
-if test "${libc_cv_forced_unwind+set}" = set; then
- $as_echo_n "(cached) " >&6
-else
- cat >conftest.$ac_ext <<_ACEOF
-/* 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 { (ac_try="$ac_link"
-case "(($ac_try" in
- *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
- *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
- (eval "$ac_link") 2>conftest.er1
- ac_status=$?
- grep -v '^ *+' conftest.er1 >conftest.err
- rm -f conftest.er1
- cat conftest.err >&5
- $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
- (exit $ac_status); } && {
- test -z "$ac_c_werror_flag" ||
- test ! -s conftest.err
- } && test -s conftest$ac_exeext && {
- test "$cross_compiling" = yes ||
- $as_test_x conftest$ac_exeext
- }; then
libc_cv_forced_unwind=yes
-else
- $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
- libc_cv_forced_unwind=no
-fi
-
-rm -rf conftest.dSYM
-rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
- conftest$ac_exeext conftest.$ac_ext
-fi
-{ $as_echo "$as_me:$LINENO: result: $libc_cv_forced_unwind" >&5
-$as_echo "$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"
- { $as_echo "$as_me:$LINENO: checking for C cleanup handling" >&5
-$as_echo_n "checking for C cleanup handling... " >&6; }
-if test "${libc_cv_c_cleanup+set}" = set; then
- $as_echo_n "(cached) " >&6
-else
- cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h. */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h. */
-
-#include <stdio.h>
-void cl (void *a) { }
-int
-main ()
-{
-
- int a __attribute__ ((cleanup (cl)));
- puts ("test")
- ;
- return 0;
-}
-_ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (ac_try="$ac_link"
-case "(($ac_try" in
- *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
- *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
- (eval "$ac_link") 2>conftest.er1
- ac_status=$?
- grep -v '^ *+' conftest.er1 >conftest.err
- rm -f conftest.er1
- cat conftest.err >&5
- $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
- (exit $ac_status); } && {
- test -z "$ac_c_werror_flag" ||
- test ! -s conftest.err
- } && test -s conftest$ac_exeext && {
- test "$cross_compiling" = yes ||
- $as_test_x conftest$ac_exeext
- }; then
libc_cv_c_cleanup=yes
-else
- $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
- libc_cv_c_cleanup=no
-fi
-
-rm -rf conftest.dSYM
-rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
- conftest$ac_exeext conftest.$ac_ext
-fi
-{ $as_echo "$as_me:$LINENO: result: $libc_cv_c_cleanup" >&5
-$as_echo "$libc_cv_c_cleanup" >&6; }
- CFLAGS="$old_CFLAGS"
- if test $libc_cv_c_cleanup = no; then
- { { $as_echo "$as_me:$LINENO: error: the compiler must support C cleanup handling" >&5
-$as_echo "$as_me: error: the compiler must support C cleanup handling" >&2;}
- { (exit 1); exit 1; }; }
- fi
-else
- { { $as_echo "$as_me:$LINENO: error: forced unwind support is required" >&5
-$as_echo "$as_me: error: forced unwind support is required" >&2;}
- { (exit 1); exit 1; }; }
-fi
|
