configure

移植到WLIT项目的redboot源代码

if { (eval echo configure:1289: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
  for ac_file in conftest.*; do
    case $ac_file in
    *.c) ;;
    *) ac_cv_objext=`echo $ac_file | sed -e s/conftest.//` ;;
    esac
  done
else
  { echo "configure: error: installation or configuration problem; compiler does not work" 1>&2; exit 1; }
fi
rm -f conftest*
fi

echo "$ac_t""$ac_cv_objext" 1>&6
OBJEXT=$ac_cv_objext
ac_objext=$ac_cv_objext

echo $ac_n "checking for Cygwin environment""... $ac_c" 1>&6
echo "configure:1307: checking for Cygwin environment" >&5
if eval "test \"`echo '$''{'ac_cv_cygwin'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 1312 "configure"
#include "confdefs.h"

int main() {

#ifndef __CYGWIN__
#define __CYGWIN__ __CYGWIN32__
#endif
return __CYGWIN__;
; return 0; }
EOF
if { (eval echo configure:1323: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
  rm -rf conftest*
  ac_cv_cygwin=yes
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  ac_cv_cygwin=no
fi
rm -f conftest*
rm -f conftest*
fi

echo "$ac_t""$ac_cv_cygwin" 1>&6
CYGWIN=
test "$ac_cv_cygwin" = yes && CYGWIN=yes
echo $ac_n "checking for mingw32 environment""... $ac_c" 1>&6
echo "configure:1340: checking for mingw32 environment" >&5
if eval "test \"`echo '$''{'ac_cv_mingw32'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 1345 "configure"
#include "confdefs.h"

int main() {
return __MINGW32__;
; return 0; }
EOF
if { (eval echo configure:1352: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
  rm -rf conftest*
  ac_cv_mingw32=yes
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  ac_cv_mingw32=no
fi
rm -f conftest*
rm -f conftest*
fi

echo "$ac_t""$ac_cv_mingw32" 1>&6
MINGW32=
test "$ac_cv_mingw32" = yes && MINGW32=yes


echo $ac_n "checking for executable suffix""... $ac_c" 1>&6
echo "configure:1371: checking for executable suffix" >&5
if eval "test \"`echo '$''{'ac_cv_exeext'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  if test "$CYGWIN" = yes || test "$MINGW32" = yes; then
  ac_cv_exeext=.exe
else
  rm -f conftest*
  echo 'int main () { return 0; }' > conftest.$ac_ext
  ac_cv_exeext=
  if { (eval echo configure:1381: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }; then
    for file in conftest.*; do
      case $file in
      *.c | *.o | *.obj | *.ilk | *.pdb) ;;
      *) ac_cv_exeext=`echo $file | sed -e s/conftest//` ;;
      esac
    done
  else
    { echo "configure: error: installation or configuration problem: compiler cannot create executables." 1>&2; exit 1; }
  fi
  rm -f conftest*
  test x"${ac_cv_exeext}" = x && ac_cv_exeext=no
fi
fi

EXEEXT=""
test x"${ac_cv_exeext}" != xno && EXEEXT=${ac_cv_exeext}
echo "$ac_t""${ac_cv_exeext}" 1>&6
ac_exeext=$EXEEXT


    
    

    echo $ac_n "checking "for Visual C++"""... $ac_c" 1>&6
echo "configure:1406: checking "for Visual C++"" >&5
    MSVC="no";
    if test "${CC}" = "cl" ; then
       MSVC="yes"
    fi
    if test "${CXX}" = "cl" ; then
       MSVC="yes"
    fi
    

if test "${MSVC}" = "yes"; then
  MSVC_TRUE=
  MSVC_FALSE='#'
else
  MSVC_TRUE='#'
  MSVC_FALSE=
fi
    echo "$ac_t""${MSVC}" 1>&6


    
    
    

    echo $ac_n "checking "the default compiler flags"""... $ac_c" 1>&6
echo "configure:1431: checking "the default compiler flags"" >&5

                        cygflags_enable_debug="no"
    # Check whether --enable-debug or --disable-debug was given.
if test "${enable_debug+set}" = set; then
  enableval="$enable_debug"
  case "${enableval}" in
       yes) cygflags_enable_debug="yes" ;;
       *)   cygflags_enable_debug="no" ;;
    esac
fi


            cygflags_enable_ansi="no"
    if test "${MSVC}" = "yes" ; then
      # Check whether --enable-ansi or --disable-ansi was given.
if test "${enable_ansi+set}" = set; then
  enableval="$enable_ansi"
  case "${enableval}" in
         yes) cygflags_enable_ansi="yes" ;;
         *)   cygflags_enable_ansi="no" ;;
      esac
fi

    fi

    if test "${GCC}" = "yes" ; then
        CC="$CC -Wall -Wpointer-arith -Wbad-function-cast -Wcast-qual -Wstrict-prototypes -Wmissing-prototypes -Wnested-externs"
        CXX="$CXX -Wall -Wpointer-arith -Wbad-function-cast -Wcast-qual -Wstrict-prototypes -Wmissing-prototypes -Wnested-externs -Woverloaded-virtual"
    elif test "${MSVC}" = "yes" ; then
        CC="$CC -nologo -W3"
        CXX="$CXX -nologo -W3 -GR -GX"
        if test "${cygflags_enable_debug}" = "yes" ; then
            CC="$CC -MDd -Zi"
            CXX="$CXX -MDd -Zi"
        else
            CC="$CC -MD -O2"
            CXX="$CXX -MD -O2"
        fi
    else
        { echo "configure: error: "default flags for ${CC} are not known"" 1>&2; exit 1; }
    fi
    echo "$ac_t""done" 1>&6


echo $ac_n "checking whether byte ordering is bigendian""... $ac_c" 1>&6
echo "configure:1477: checking whether byte ordering is bigendian" >&5
if eval "test \"`echo '$''{'ac_cv_c_bigendian'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  ac_cv_c_bigendian=unknown
# See if sys/param.h defines the BYTE_ORDER macro.
cat > conftest.$ac_ext <<EOF
#line 1484 "configure"
#include "confdefs.h"
#include <sys/types.h>
#include <sys/param.h>
int main() {

#if !BYTE_ORDER || !BIG_ENDIAN || !LITTLE_ENDIAN
 bogus endian macros
#endif
; return 0; }
EOF
if { (eval echo configure:1495: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
  rm -rf conftest*
  # It does; now see whether it defined to BIG_ENDIAN or not.
cat > conftest.$ac_ext <<EOF
#line 1499 "configure"
#include "confdefs.h"
#include <sys/types.h>
#include <sys/param.h>
int main() {

#if BYTE_ORDER != BIG_ENDIAN
 not big endian
#endif
; return 0; }
EOF
if { (eval echo configure:1510: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
  rm -rf conftest*
  ac_cv_c_bigendian=yes
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  ac_cv_c_bigendian=no
fi
rm -f conftest*
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
fi
rm -f conftest*
if test $ac_cv_c_bigendian = unknown; then
if test "$cross_compiling" = yes; then
    { echo "configure: error: can not run test program while cross compiling" 1>&2; exit 1; }
else
  cat > conftest.$ac_ext <<EOF
#line 1530 "configure"
#include "confdefs.h"
main () {
  /* Are we little or big endian?  From Harbison&Steele.  */
  union
  {
    long l;
    char c[sizeof (long)];
  } u;
  u.l = 1;
  exit (u.c[sizeof (long) - 1] == 1);
}
EOF
if { (eval echo configure:1543: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
then
  ac_cv_c_bigendian=no
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -fr conftest*
  ac_cv_c_bigendian=yes
fi
rm -fr conftest*
fi

fi
fi

echo "$ac_t""$ac_cv_c_bigendian" 1>&6
if test $ac_cv_c_bigendian = yes; then
  cat >> confdefs.h <<\EOF
#define WORDS_BIGENDIAN 1
EOF

fi



    
    

    echo $ac_n "checking "for a 64 bit data type"""... $ac_c" 1>&6
echo "configure:1572: checking "for a 64 bit data type"" >&5
if eval "test \"`echo '$''{'cyg_ac_cv_type_64bit'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  
        for type in "long" "long long" "__int64"; do
            
	    ac_ext=c
# CFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
ac_cpp='$CPP $CPPFLAGS'
ac_compile='${CC-cc} -c $CFLAGS $CPPFLAGS conftest.$ac_ext 1>&5'
ac_link='${CC-cc} -o conftest${ac_exeext} $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS 1>&5'
cross_compiling=$ac_cv_prog_cc_cross

            if test "$cross_compiling" = yes; then
  ctype_64bit="long long"
else
  cat > conftest.$ac_ext <<EOF
#line 1590 "configure"
#include "confdefs.h"

                main() {
                    return 8 != sizeof($type);
                }
	    
EOF
if { (eval echo configure:1598: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
then
  ctype_64bit=$type
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -fr conftest*
  ctype_64bit="unknown"
fi
rm -fr conftest*
fi

	    ac_ext=C
# CXXFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
ac_cpp='$CXXCPP $CPPFLAGS'
ac_compile='${CXX-g++} -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext 1>&5'
ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS 1>&5'
cross_compiling=$ac_cv_prog_cxx_cross

            if test "$cross_compiling" = yes; then
  cxxtype_64bit="long long"
else
  cat > conftest.$ac_ext <<EOF
#line 1621 "configure"
#include "confdefs.h"
#ifdef __cplusplus
extern "C" void exit(int);
#endif

                int main(int argc, char ** argv) {
                    return 8 != sizeof($type);
                }
	    
EOF
if { (eval echo configure:1632: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
then
  cxxtype_64bit=$type
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -fr conftest*
  cxxtype_64bit="unknown"
fi
rm -fr conftest*
fi

	    ac_ext=c
# CFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
ac_cpp='$CPP $CPPFLAGS'
ac_compile='${CC-cc} -c $CFLAGS $CPPFLAGS conftest.$ac_ext 1>&5'
ac_link='${CC-cc} -o conftest${ac_exeext} $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS 1>&5'
cross_compiling=$ac_cv_prog_cc_cross

            if test "${ctype_64bit}" = "${type}" -a "${cxxtype_64bit}" = "${type}"; then
                cyg_ac_cv_type_64bit="${type}"
                break
            fi
        done
    
fi

echo "$ac_t""$cyg_ac_cv_type_64bit" 1>&6
    if test "${cyg_ac_cv_type_64bit}" = ""; then
        { echo "configure: error: Unable to figure out how to do 64 bit arithmetic" 1>&2; exit 1; }
    else
        if test "${cyg_ac_cv_type_64bit}" != "long long"; then
            cat >> confdefs.h <<EOF
#define cyg_halint64 ${cyg_ac_cv_type_64bit}
EOF

            cat >> confdefs.h <<EOF
#define cyg_halcount64 ${cyg_ac_cv_type_64bit}
EOF

        fi
    fi


echo $ac_n "checking size of int *""... $ac_c" 1>&6
echo "configure:1677: checking size of int *" >&5
if eval "test \"`echo '$''{'ac_cv_sizeof_int_p'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  if test "$cross_compiling" = yes; then
    { echo "configure: error: can not run test program while cross compiling" 1>&2; exit 1; }
else
  cat > conftest.$ac_ext <<EOF
#line 1685 "configure"
#include "confdefs.h"
#include <stdio.h>
main()
{
  FILE *f=fopen("conftestval", "w");
  if (!f) exit(1);
  fprintf(f, "%d\n", sizeof(int *));
  exit(0);
}
EOF
if { (eval echo configure:1696: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
then
  ac_cv_sizeof_int_p=`cat conftestval`
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -fr conftest*
  ac_cv_sizeof_int_p=0
fi
rm -fr conftest*
fi

fi
echo "$ac_t""$ac_cv_sizeof_int_p" 1>&6
cat >> confdefs.h <<EOF
#define SIZEOF_INT_P $ac_cv_sizeof_int_p
EOF


echo $ac_n "checking size of long""... $ac_c" 1>&6
echo "configure:1716: checking size of long" >&5
if eval "test \"`echo '$''{'ac_cv_sizeof_long'+set}'`\" = set"; then