CFLAGS="$save_CFLAGS"  $rm conftest*else  echo "$ac_t"none 1>&6fi# Check to see if options -o and -c are simultaneously supported by compilerecho $ac_n "checking if $compiler supports -c -o file.o... $ac_c" 1>&6$rm -r conftest 2>/dev/nullmkdir conftestcd conftest$rm conftest*echo "int some_variable = 0;" > conftest.cmkdir out# According to Tom Tromey, Ian Lance Taylor reported there are C compilers# that will create temporary files in the current directory regardless of# the output directory.  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then    no_builtin_flag=' -fno-builtin -fno-rtti -fno-exceptions'  else    no_builtin_flag=' -fno-builtin'  fi  fi# Check for any special shared library compilation flags.if test -n "$special_shlib_compile_flags"; then  echo "$progname: warning: \`$CC' requires \`$special_shlib_compile_flags' to build shared libraries" 1>&2  if echo "$old_CC $old_CFLAGS " | egrep -e "[ 	]$special_shlib_compile_flags[ 	]" >/dev/null; then :  else    echo "$progname: add \`$special_shlib_compile_flags' to the CC or CFLAGS env variable and reconfigure" 1>&2    can_build_shared=no  fifiecho $ac_n "checking if $compiler static flag $link_static_flag works... $ac_c" 1>&6$rm conftest*echo 'main(){return(0);}' > conftest.csave_LDFLAGS="$LDFLAGS"LDFLAGS="$LDFLAGS $link_static_flag"echo "$progname:958: checking if $compiler static flag $link_static_flag works" >&5if { (eval echo $progname:959: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then  echo "$ac_t$link_static_flag" 1>&6else  echo "$ac_t"none 1>&6  link_static_flag=fiLDFLAGS="$save_LDFLAGS"$rm conftest*if test -z "$LN_S"; then  # Check to see if we can use ln -s, or we need hard links.  echo $ac_n "checking whether ln -s works... $ac_c" 1>&6  $rm conftest.dat  if ln -s X conftest.dat 2>/dev/null; then    $rm conftest.dat    LN_S="ln -s"  else    LN_S=ln  fi  if test "$LN_S" = "ln -s"; then    echo "$ac_t"yes 1>&6  else    echo "$ac_t"no 1>&6  fifi# Make sure LD is an absolute path.if test -z "$LD"; then  ac_prog=ld  if test "$with_gcc" = yes; then    # Check if gcc -print-prog-name=ld gives a path.    echo $ac_n "checking for ld used by GCC... $ac_c" 1>&6    echo "$progname:991: checking for ld used by GCC" >&5    ac_prog=`($CC -print-prog-name=ld) 2>&5`    case "$ac_prog" in    # Accept absolute paths.    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