rn_complete.patch

linux下编译交叉工具链的工具源码

++do
++  IFS=$as_save_IFS
++  test -z "$as_dir" && as_dir=.
++  for ac_exec_ext in '' $ac_executable_extensions; do
++  if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
++    ac_cv_prog_ac_ct_CC="$ac_prog"
++    echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
++    break 2
++  fi
++done
++done
++
++fi
++fi
++ac_ct_CC=$ac_cv_prog_ac_ct_CC
++if test -n "$ac_ct_CC"; then
++  echo "$as_me:$LINENO: result: $ac_ct_CC" >&5
++echo "${ECHO_T}$ac_ct_CC" >&6
++else
++  echo "$as_me:$LINENO: result: no" >&5
++echo "${ECHO_T}no" >&6
++fi
++
++  test -n "$ac_ct_CC" && break
++done
++
++  CC=$ac_ct_CC
++fi
++
++fi
++
++
++test -z "$CC" && { { echo "$as_me:$LINENO: error: no acceptable C compiler found in \$PATH" >&5
++echo "$as_me: error: no acceptable C compiler found in \$PATH" >&2;}
++   { (exit 1); exit 1; }; }
++
++# Provide some information about the compiler.
++echo "$as_me:$LINENO:" \
++     "checking for C compiler version" >&5
++ac_compiler=`set X $ac_compile; echo $2`
++{ (eval echo "$as_me:$LINENO: \"$ac_compiler --version </dev/null >&5\"") >&5
++  (eval $ac_compiler --version </dev/null >&5) 2>&5
++  ac_status=$?
++  echo "$as_me:$LINENO: \$? = $ac_status" >&5
++  (exit $ac_status); }
++{ (eval echo "$as_me:$LINENO: \"$ac_compiler -v </dev/null >&5\"") >&5
++  (eval $ac_compiler -v </dev/null >&5) 2>&5
++  ac_status=$?
++  echo "$as_me:$LINENO: \$? = $ac_status" >&5
++  (exit $ac_status); }
++{ (eval echo "$as_me:$LINENO: \"$ac_compiler -V </dev/null >&5\"") >&5
++  (eval $ac_compiler -V </dev/null >&5) 2>&5
++  ac_status=$?
++  echo "$as_me:$LINENO: \$? = $ac_status" >&5
++  (exit $ac_status); }
++
++cat >conftest.$ac_ext <<_ACEOF
++#line $LINENO "configure"
++#include "confdefs.h"
++
++#ifdef F77_DUMMY_MAIN
++#  ifdef __cplusplus
++     extern "C"
++#  endif
++   int F77_DUMMY_MAIN() { return 1; }
++#endif
++int
++main ()
++{
++
++  ;
++  return 0;
++}
++_ACEOF
++ac_clean_files_save=$ac_clean_files
++ac_clean_files="$ac_clean_files a.out a.exe"
++# Try to create an executable without -o first, disregard a.out.
++# It will help us diagnose broken compilers, and finding out an intuition
++# of exeext.
++echo "$as_me:$LINENO: checking for C compiler default output" >&5
++echo $ECHO_N "checking for C compiler default output... $ECHO_C" >&6
++ac_link_default=`echo "$ac_link" | sed 's/ -o *conftest[^ ]*//'`
++if { (eval echo "$as_me:$LINENO: \"$ac_link_default\"") >&5
++  (eval $ac_link_default) 2>&5
++  ac_status=$?
++  echo "$as_me:$LINENO: \$? = $ac_status" >&5
++  (exit $ac_status); }; then
++  # Find the output, starting from the most likely.  This scheme is
++# not robust to junk in `.', hence go to wildcards (a.*) only as a last
++# resort.
++
++# Be careful to initialize this variable, since it used to be cached.
++# Otherwise an old cache value of `no' led to `EXEEXT = no' in a Makefile.
++ac_cv_exeext=
++for ac_file in `ls a_out.exe a.exe conftest.exe 2>/dev/null;
++                ls a.out conftest 2>/dev/null;
++                ls a.* conftest.* 2>/dev/null`; do
++  case $ac_file in
++    *.$ac_ext | *.o | *.obj | *.xcoff | *.tds | *.d | *.pdb | *.xSYM ) ;;
++    a.out ) # We found the default executable, but exeext='' is most
++            # certainly right.
++            break;;
++    *.* ) ac_cv_exeext=`expr "$ac_file" : '[^.]*\(\..*\)'`
++          # FIXME: I believe we export ac_cv_exeext for Libtool --akim.
++          export ac_cv_exeext
++          break;;
++    * ) break;;
++  esac
++done
++else
++  echo "$as_me: failed program was:" >&5
++cat conftest.$ac_ext >&5
++{ { echo "$as_me:$LINENO: error: C compiler cannot create executables" >&5
++echo "$as_me: error: C compiler cannot create executables" >&2;}
++   { (exit 77); exit 77; }; }
++fi
++
++ac_exeext=$ac_cv_exeext
++echo "$as_me:$LINENO: result: $ac_file" >&5
++echo "${ECHO_T}$ac_file" >&6
++
++# Check the compiler produces executables we can run.  If not, either
++# the compiler is broken, or we cross compile.
++echo "$as_me:$LINENO: checking whether the C compiler works" >&5
++echo $ECHO_N "checking whether the C compiler works... $ECHO_C" >&6
++# FIXME: These cross compiler hacks should be removed for Autoconf 3.0
++# If not cross compiling, check that we can run a simple program.
++if test "$cross_compiling" != yes; then
++  if { ac_try='./$ac_file'
++  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
++  (eval $ac_try) 2>&5
++  ac_status=$?
++  echo "$as_me:$LINENO: \$? = $ac_status" >&5
++  (exit $ac_status); }; }; then
++    cross_compiling=no
++  else
++    if test "$cross_compiling" = maybe; then
++	cross_compiling=yes
++    else
++	{ { echo "$as_me:$LINENO: error: cannot run C compiled programs.
++If you meant to cross compile, use \`--host'." >&5
++echo "$as_me: error: cannot run C compiled programs.
++If you meant to cross compile, use \`--host'." >&2;}
++   { (exit 1); exit 1; }; }
++    fi
++  fi
++fi
++echo "$as_me:$LINENO: result: yes" >&5
++echo "${ECHO_T}yes" >&6
++
++rm -f a.out a.exe conftest$ac_cv_exeext
++ac_clean_files=$ac_clean_files_save
++# Check the compiler produces executables we can run.  If not, either
++# the compiler is broken, or we cross compile.
++echo "$as_me:$LINENO: checking whether we are cross compiling" >&5
++echo $ECHO_N "checking whether we are cross compiling... $ECHO_C" >&6
++echo "$as_me:$LINENO: result: $cross_compiling" >&5
++echo "${ECHO_T}$cross_compiling" >&6
++
++echo "$as_me:$LINENO: checking for suffix of executables" >&5
++echo $ECHO_N "checking for suffix of executables... $ECHO_C" >&6
++if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
++  (eval $ac_link) 2>&5
++  ac_status=$?
++  echo "$as_me:$LINENO: \$? = $ac_status" >&5
++  (exit $ac_status); }; then
++  # If both `conftest.exe' and `conftest' are `present' (well, observable)
++# catch `conftest.exe'.  For instance with Cygwin, `ls conftest' will
++# work properly (i.e., refer to `conftest.exe'), while it won't with
++# `rm'.
++for ac_file in `(ls conftest.exe; ls conftest; ls conftest.*) 2>/dev/null`; do
++  case $ac_file in
++    *.$ac_ext | *.o | *.obj | *.xcoff | *.tds | *.d | *.pdb ) ;;
++    *.* ) ac_cv_exeext=`expr "$ac_file" : '[^.]*\(\..*\)'`
++          export ac_cv_exeext
++          break;;
++    * ) break;;
++  esac
++done
++else
++  { { echo "$as_me:$LINENO: error: cannot compute suffix of executables: cannot compile and link" >&5
++echo "$as_me: error: cannot compute suffix of executables: cannot compile and link" >&2;}
++   { (exit 1); exit 1; }; }
++fi
++
++rm -f conftest$ac_cv_exeext
++echo "$as_me:$LINENO: result: $ac_cv_exeext" >&5
++echo "${ECHO_T}$ac_cv_exeext" >&6
++
++rm -f conftest.$ac_ext
++EXEEXT=$ac_cv_exeext
++ac_exeext=$EXEEXT
++echo "$as_me:$LINENO: checking for suffix of object files" >&5
++echo $ECHO_N "checking for suffix of object files... $ECHO_C" >&6
++if test "${ac_cv_objext+set}" = set; then
++  echo $ECHO_N "(cached) $ECHO_C" >&6
++else
++  cat >conftest.$ac_ext <<_ACEOF
++#line $LINENO "configure"
++#include "confdefs.h"
++
++#ifdef F77_DUMMY_MAIN
++#  ifdef __cplusplus
++     extern "C"
++#  endif
++   int F77_DUMMY_MAIN() { return 1; }
++#endif
++int
++main ()
++{
++
++  ;
++  return 0;
++}
++_ACEOF
++rm -f conftest.o conftest.obj
++if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
++  (eval $ac_compile) 2>&5
++  ac_status=$?
++  echo "$as_me:$LINENO: \$? = $ac_status" >&5
++  (exit $ac_status); }; then
++  for ac_file in `(ls conftest.o conftest.obj; ls conftest.*) 2>/dev/null`; do
++  case $ac_file in
++    *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb ) ;;
++    *) ac_cv_objext=`expr "$ac_file" : '.*\.\(.*\)'`
++       break;;
++  esac
++done
++else
++  echo "$as_me: failed program was:" >&5
++cat conftest.$ac_ext >&5
++{ { echo "$as_me:$LINENO: error: cannot compute suffix of object files: cannot compile" >&5
++echo "$as_me: error: cannot compute suffix of object files: cannot compile" >&2;}
++   { (exit 1); exit 1; }; }
++fi
++
++rm -f conftest.$ac_cv_objext conftest.$ac_ext
++fi
++echo "$as_me:$LINENO: result: $ac_cv_objext" >&5
++echo "${ECHO_T}$ac_cv_objext" >&6
++OBJEXT=$ac_cv_objext
++ac_objext=$OBJEXT
++echo "$as_me:$LINENO: checking whether we are using the GNU C compiler" >&5
++echo $ECHO_N "checking whether we are using the GNU C compiler... $ECHO_C" >&6
++if test "${ac_cv_c_compiler_gnu+set}" = set; then
++  echo $ECHO_N "(cached) $ECHO_C" >&6
++else
++  cat >conftest.$ac_ext <<_ACEOF
++#line $LINENO "configure"
++#include "confdefs.h"
++
++#ifdef F77_DUMMY_MAIN
++#  ifdef __cplusplus
++     extern "C"
++#  endif
++   int F77_DUMMY_MAIN() { return 1; }
++#endif
++int
++main ()
++{
++#ifndef __GNUC__
++       choke me
++#endif
++
++  ;
++  return 0;
++}
++_ACEOF
++rm -f conftest.$ac_objext
++if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
++  (eval $ac_compile) 2>&5
++  ac_status=$?
++  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 $ac_status); }; }; then
++  ac_compiler_gnu=yes
++else
++  echo "$as_me: failed program was:" >&5
++cat conftest.$ac_ext >&5
++ac_compiler_gnu=no
++fi
++rm -f conftest.$ac_objext conftest.$ac_ext
++ac_cv_c_compiler_gnu=$ac_compiler_gnu
++
++fi
++echo "$as_me:$LINENO: result: $ac_cv_c_compiler_gnu" >&5
++echo "${ECHO_T}$ac_cv_c_compiler_gnu" >&6
++GCC=`test $ac_compiler_gnu = yes && echo yes`
++ac_test_CFLAGS=${CFLAGS+set}
++ac_save_CFLAGS=$CFLAGS
++CFLAGS="-g"
++echo "$as_me:$LINENO: checking whether $CC accepts -g" >&5
++echo $ECHO_N "checking whether $CC accepts -g... $ECHO_C" >&6
++if test "${ac_cv_prog_cc_g+set}" = set; then
++  echo $ECHO_N "(cached) $ECHO_C" >&6
++else
++  cat >conftest.$ac_ext <<_ACEOF
++#line $LINENO "configure"
++#include "confdefs.h"
++
++#ifdef F77_DUMMY_MAIN
++#  ifdef __cplusplus
++     extern "C"
++#  endif
++   int F77_DUMMY_MAIN() { return 1; }
++#endif
++int
++main ()
++{
++
++  ;
++  return 0;
++}
++_ACEOF
++rm -f conftest.$ac_objext
++if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
++  (eval $ac_compile) 2>&5
++  ac_status=$?
++  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 $ac_status); }; }; then
++  ac_cv_prog_cc_g=yes
++else
++  echo "$as_me: failed program was:" >&5
++cat conftest.$ac_ext >&5
++ac_cv_prog_cc_g=no
++fi
++rm -f conftest.$ac_objext conftest.$ac_ext
++fi
++echo "$as_me:$LINENO: result: $ac_cv_prog_cc_g" >&5
++echo "${ECHO_T}$ac_cv_prog_cc_g" >&6
++if test "$ac_test_CFLAGS" = set; then
++  CFLAGS=$ac_save_CFLAGS
++elif test $ac_cv_prog_cc_g = yes; then
++  if test "$GCC" = yes; then
++    CFLAGS="-g -O2"
++  else
++    CFLAGS="-g"
++  fi
++else
++  if test "$GCC" = yes; then
++    CFLAGS="-O2"
++  else
++    CFLAGS=
++  fi
++fi
++# Some people use a C++ compiler to compile C.  Since we use `exit',
++# in C++ we need to declare it.  In case someone uses the same compiler
++# for both compiling C and C++ we need to have the C++ compiler decide
++# the declaration of exit, since it's the most demanding environment.
++cat >conftest.$ac_ext <<_ACEOF
++#ifndef __cplusplus
++  choke me
++#endif
++_ACEOF
++rm -f conftest.$ac_objext
++if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
++  (eval $ac_compile) 2>&5
++  ac_status=$?
++  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 $ac_status); }; }; then
++  for ac_declaration in \
++   ''\
++   '#include <stdlib.h>' \
++   'extern "C" void std::exit (int) throw (); using std::exit;' \
++   'extern "C" void std::exit (int); using std::exit;' \
++   'extern "C" void exit (int) throw ();' \
++   'extern "C" void exit (int);' \
++   'void exit (int);'
++do
++  cat >conftest.$ac_ext <<_ACEOF
++#line $LINENO "configure"
++#include "confdefs.h"
++#include <stdlib.h>
++$ac_declaration
++#ifdef F77_DUMMY_MAIN
++#  ifdef __cplusplus
++     extern "C"
++#  endif
++   int F77_DUMMY_MAIN() { return 1; }
++#endif
++int
++main ()
++{
++exit (42);
++  ;
++  return 0;
+