configure

glibc 2.9,最新版的C语言库函数

# This file is generated from configure.in by Autoconf.  DO NOT EDIT!
 # Local configure fragment for sysdeps/powerpc/powerpc32.

# See whether gas has R_PPC_REL16 relocs.
echo "$as_me:$LINENO: checking for R_PPC_REL16 gas support" >&5
echo $ECHO_N "checking for R_PPC_REL16 gas support... $ECHO_C" >&6
if test "${libc_cv_ppc_rel16+set}" = set; then
  echo $ECHO_N "(cached) $ECHO_C" >&6
else
  cat > conftest.s <<\EOF
	.text
	addis 11,30,_GLOBAL_OFFSET_TABLE_-.@ha
EOF
if { ac_try='${CC-cc} -c $CFLAGS conftest.s 1>&5'
  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
  (eval $ac_try) 2>&5
  ac_status=$?
  echo "$as_me:$LINENO: \$? = $ac_status" >&5
  (exit $ac_status); }; }; then
  libc_cv_ppc_rel16=yes
else
  libc_cv_ppc_rel16=no
fi
rm -f conftest*
fi
echo "$as_me:$LINENO: result: $libc_cv_ppc_rel16" >&5
echo "${ECHO_T}$libc_cv_ppc_rel16" >&6
if test $libc_cv_ppc_rel16 = yes; then
  cat >>confdefs.h <<\_ACEOF
#define HAVE_ASM_PPC_REL16 1
_ACEOF

fi

# See whether GCC uses -msecure-plt.
echo "$as_me:$LINENO: checking for -msecure-plt by default" >&5
echo $ECHO_N "checking for -msecure-plt by default... $ECHO_C" >&6
if test "${libc_cv_ppc_secure_plt+set}" = set; then
  echo $ECHO_N "(cached) $ECHO_C" >&6
else
  echo 'int foo (void) { extern int bar; return bar; }' > conftest.c
libc_cv_ppc_secure_plt=no
if { ac_try='${CC-cc} -S $CFLAGS conftest.c -fpic -o conftest.s 1>&5'
  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
  (eval $ac_try) 2>&5
  ac_status=$?
  echo "$as_me:$LINENO: \$? = $ac_status" >&5
  (exit $ac_status); }; }; then
  if grep '_GLOBAL_OFFSET_TABLE_-.*@ha' conftest.s > /dev/null 2>&1; then
    libc_cv_ppc_secure_plt=yes
  fi
fi
rm -rf conftest*
fi
echo "$as_me:$LINENO: result: $libc_cv_ppc_secure_plt" >&5
echo "${ECHO_T}$libc_cv_ppc_secure_plt" >&6
if test $libc_cv_ppc_secure_plt = yes; then
  cat >>confdefs.h <<\_ACEOF
#define HAVE_PPC_SECURE_PLT 1
_ACEOF

fi