glibc/sysdeps/unix/sysv/linux/powerpc/configure

# This file is generated from configure.in by Autoconf.  DO NOT EDIT!
 # Local configure fragment for sysdeps/unix/sysv/linux/powerpc/.


{ $as_echo "$as_me:$LINENO: checking whether $CC $CFLAGS -mlong-double-128 uses IBM extended format" >&5
$as_echo_n "checking whether $CC $CFLAGS -mlong-double-128 uses IBM extended format... " >&6; }
if test "${libc_cv_mlong_double_128ibm+set}" = set; then
  $as_echo_n "(cached) " >&6
else
  save_CFLAGS="$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.$ac_objext
if { (ac_try="$ac_compile"
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 "$ac_compile") 2>conftest.er1
  ac_status=$?
  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_objext; then
  libc_cv_mlong_double_128ibm=yes
else
  $as_echo "$as_me: failed program was:" >&5
sed 's/^/| /' conftest.$ac_ext >&5

	libc_cv_mlong_double_128ibm=no
fi

rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
CFLAGS="$save_CFLAGS"
fi
{ $as_echo "$as_me:$LINENO: result: $libc_cv_mlong_double_128ibm" >&5
$as_echo "$libc_cv_mlong_double_128ibm" >&6; }

if test "$libc_cv_mlong_double_128ibm" = no; then
  { $as_echo "$as_me:$LINENO: checking whether $CC $CFLAGS supports -mabi=ibmlongdouble" >&5
$as_echo_n "checking whether $CC $CFLAGS supports -mabi=ibmlongdouble... " >&6; }
if test "${libc_cv_mabi_ibmlongdouble+set}" = set; then
  $as_echo_n "(cached) " >&6
else
    save_CFLAGS="$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.$ac_objext
if { (ac_try="$ac_compile"
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 "$ac_compile") 2>conftest.er1
  ac_status=$?
  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_objext; then
  libc_cv_mabi_ibmlongdouble=yes
else
  $as_echo "$as_me: failed program was:" >&5
sed 's/^/| /' conftest.$ac_ext >&5

	libc_cv_mabi_ibmlongdouble=no
fi

rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
  CFLAGS="$save_CFLAGS"
fi
{ $as_echo "$as_me:$LINENO: result: $libc_cv_mabi_ibmlongdouble" >&5
$as_echo "$libc_cv_mabi_ibmlongdouble" >&6; }

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