about summary refs log tree commit diff
path: root/sysdeps/unix/sysv/linux/powerpc/configure
blob: 070bf5caebdd393357b17b5b2b6343c0f34a7029 (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
130
131
132
133
134
135
# This file is generated from configure.in by Autoconf.  DO NOT EDIT!
 # Local configure fragment for sysdeps/unix/sysv/linux/powerpc/.


echo "$as_me:$LINENO: checking whether $CC $CFLAGS -mlong-double-128 uses IBM extended format" >&5
echo $ECHO_N "checking whether $CC $CFLAGS -mlong-double-128 uses IBM extended format... $ECHO_C" >&6
if test "${libc_cv_mlong_double_128ibm+set}" = set; then
  echo $ECHO_N "(cached) $ECHO_C" >&6
else
  save_CFLAGS="$CFLAGS"
CFLAGS="$CFLAGS -mlong-double-128"
cat >conftest.$ac_ext <<_ACEOF
/* confdefs.h.  */
_ACEOF
cat confdefs.h >>conftest.$ac_ext
cat >>conftest.$ac_ext <<_ACEOF
/* end confdefs.h.  */
#include <float.h>
int
main ()
{

#if LDBL_MANT_DIG != 106
# error "compiler doesn't implement IBM extended format of long double"
#endif
long double foobar (long double x) { return x; }
  ;
  return 0;
}
_ACEOF
rm -f conftest.$ac_objext
if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
  (eval $ac_compile) 2>conftest.er1
  ac_status=$?
  grep -v '^ *+' conftest.er1 >conftest.err
  rm -f conftest.er1
  cat conftest.err >&5
  echo "$as_me:$LINENO: \$? = $ac_status" >&5
  (exit $ac_status); } &&
	 { ac_try='test -z "$ac_c_werror_flag"
			 || test ! -s conftest.err'
  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
  (eval $ac_try) 2>&5
  ac_status=$?
  echo "$as_me:$LINENO: \$? = $ac_status" >&5
  (exit $ac_status); }; } &&
	 { ac_try='test -s conftest.$ac_objext'
  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
  (eval $ac_try) 2>&5
  ac_status=$?
  echo "$as_me:$LINENO: \$? = $ac_status" >&5
  (exit $ac_status); }; }; then
  libc_cv_mlong_double_128ibm=yes
else
  echo "$as_me: failed program was:" >&5
sed 's/^/| /' conftest.$ac_ext >&5

libc_cv_mlong_double_128ibm=no
fi
rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
CFLAGS="$save_CFLAGS"
fi
echo "$as_me:$LINENO: result: $libc_cv_mlong_double_128ibm" >&5
echo "${ECHO_T}$libc_cv_mlong_double_128ibm" >&6

if test "$libc_cv_mlong_double_128ibm" = no; then
  echo "$as_me:$LINENO: checking whether $CC $CFLAGS supports -mabi=ibmlongdouble" >&5
echo $ECHO_N "checking whether $CC $CFLAGS supports -mabi=ibmlongdouble... $ECHO_C" >&6
if test "${libc_cv_mabi_ibmlongdouble+set}" = set; then
  echo $ECHO_N "(cached) $ECHO_C" >&6
else
    save_CFLAGS="$CFLAGS"
  CFLAGS="$CFLAGS -mlong-double-128 -mabi=ibmlongdouble"
  cat >conftest.$ac_ext <<_ACEOF
/* confdefs.h.  */
_ACEOF
cat confdefs.h >>conftest.$ac_ext
cat >>conftest.$ac_ext <<_ACEOF
/* end confdefs.h.  */
#include <float.h>
int
main ()
{

#if LDBL_MANT_DIG != 106
# error "compiler doesn't implement IBM extended format of long double"
#endif
long double foobar (long double x) { return x; }
  ;
  return 0;
}
_ACEOF
rm -f conftest.$ac_objext
if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
  (eval $ac_compile) 2>conftest.er1
  ac_status=$?
  grep -v '^ *+' conftest.er1 >conftest.err
  rm -f conftest.er1
  cat conftest.err >&5
  echo "$as_me:$LINENO: \$? = $ac_status" >&5
  (exit $ac_status); } &&
	 { ac_try='test -z "$ac_c_werror_flag"
			 || test ! -s conftest.err'
  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
  (eval $ac_try) 2>&5
  ac_status=$?
  echo "$as_me:$LINENO: \$? = $ac_status" >&5
  (exit $ac_status); }; } &&
	 { ac_try='test -s conftest.$ac_objext'
  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
  (eval $ac_try) 2>&5
  ac_status=$?
  echo "$as_me:$LINENO: \$? = $ac_status" >&5
  (exit $ac_status); }; }; then
  libc_cv_mabi_ibmlongdouble=yes
else
  echo "$as_me: failed program was:" >&5
sed 's/^/| /' conftest.$ac_ext >&5

libc_cv_mabi_ibmlongdouble=no
fi
rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
  CFLAGS="$save_CFLAGS"
fi
echo "$as_me:$LINENO: result: $libc_cv_mabi_ibmlongdouble" >&5
echo "${ECHO_T}$libc_cv_mabi_ibmlongdouble" >&6

  if test "$libc_cv_mabi_ibmlongdouble" = yes; then
    CFLAGS="$CFLAGS -mabi=ibmlongdouble"
  else
    { { echo "$as_me:$LINENO: error: this configuration requires -mlong-double-128 IBM extended format support" >&5
echo "$as_me: error: this configuration requires -mlong-double-128 IBM extended format support" >&2;}
   { (exit 1); exit 1; }; }
  fi
fi