glibc/sysdeps/powerpc/powerpc64/configure

# This file is generated from configure.ac by Autoconf.  DO NOT EDIT!
 # Local configure fragment for sysdeps/powerpc/powerpc64.

printf "%s\n" "#define HIDDEN_VAR_NEEDS_DYNAMIC_RELOC 1" >>confdefs.h


{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for support for overlapping .opd entries" >&5
printf %s "checking for support for overlapping .opd entries... " >&6; }
if test ${libc_cv_overlapping_opd+y}
then :
  printf %s "(cached) " >&6
else $as_nop
  libc_cv_overlapping_opd=no
echo 'void foo (void) {}' > conftest.c
if { ac_try='${CC-cc} $CFLAGS $CPPFLAGS $libc_cv_cc_submachine -S conftest.c -o conftest.s 1>&5'
  { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
  (eval $ac_try) 2>&5
  ac_status=$?
  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
  test $ac_status = 0; }; }; then
  if grep '\.TOC\.@tocbase' conftest.s > /dev/null; then
    if grep '\.TOC\.@tocbase[ 	]*,[ 	]*0' conftest.s > /dev/null; then
      :
    else
      libc_cv_overlapping_opd=yes
    fi
  fi
fi
rm -f conftest.c conftest.s

fi
{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $libc_cv_overlapping_opd" >&5
printf "%s\n" "$libc_cv_overlapping_opd" >&6; }
if test x$libc_cv_overlapping_opd = xyes; then
  printf "%s\n" "#define USE_PPC64_OVERLAPPING_OPD 1" >>confdefs.h

fi

# We check if compiler supports @notoc generation since there is no
# gain by enabling it if it will be optimized away by the linker.
# It also helps linkers that might not optimize it and end up
# generating stubs with ISA 3.1 instruction even targeting older ISA.
{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if the compiler supports @notoc" >&5
printf %s "checking if the compiler supports @notoc... " >&6; }
if test ${libc_cv_ppc64_notoc+y}
then :
  printf %s "(cached) " >&6
else $as_nop
    cat > conftest.c <<EOF
int bar (void);
int foo (void) { return bar () + 1; }
EOF
  libc_cv_ppc64_notoc=no
  if { ac_try='${CC-cc} $CFLAGS $CPPFLAGS $libc_cv_cc_submachine -S -o conftest.s conftest.c'
  { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
  (eval $ac_try) 2>&5
  ac_status=$?
  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
  test $ac_status = 0; }; } \
     && { ac_try='grep -q -E 'bar@notoc' conftest.s'
  { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
  (eval $ac_try) 2>&5
  ac_status=$?
  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
  test $ac_status = 0; }; }
  then
    libc_cv_ppc64_notoc=yes
  fi
  rm -rf conftest.*
fi
{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $libc_cv_ppc64_notoc" >&5
printf "%s\n" "$libc_cv_ppc64_notoc" >&6; }
if test x$libc_cv_ppc64_notoc = xyes
then :
  printf "%s\n" "#define USE_PPC64_NOTOC 1" >>confdefs.h

fi