configure

基于SDL的framegrabber适用于简单的UI下的webcam应用开发

  echo "$ac_t""$LD" 1>&6
else
  echo "$ac_t""no" 1>&6
fi
test -z "$LD" && { echo "configure: error: no acceptable ld found in \$PATH" 1>&2; exit 1; }
echo $ac_n "checking if the linker ($LD) is GNU ld""... $ac_c" 1>&6
echo "configure:1259: checking if the linker ($LD) is GNU ld" >&5
if eval "test \"`echo '$''{'ac_cv_prog_gnu_ld'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  # I'd rather use --version here, but apparently some GNU ld's only accept -v.
if $LD -v 2>&1 </dev/null | egrep '(GNU|with BFD)' 1>&5; then
  ac_cv_prog_gnu_ld=yes
else
  ac_cv_prog_gnu_ld=no
fi
fi

echo "$ac_t""$ac_cv_prog_gnu_ld" 1>&6


echo $ac_n "checking for BSD-compatible nm""... $ac_c" 1>&6
echo "configure:1275: checking for BSD-compatible nm" >&5
if eval "test \"`echo '$''{'ac_cv_path_NM'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  if test -n "$NM"; then
  # Let the user override the test.
  ac_cv_path_NM="$NM"
else
  IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS="${IFS}${PATH_SEPARATOR-:}"
  for ac_dir in $PATH /usr/ccs/bin /usr/ucb /bin; do
    test -z "$ac_dir" && ac_dir=.
    if test -f $ac_dir/nm || test -f $ac_dir/nm$ac_exeext ; then
      # Check to see if the nm accepts a BSD-compat flag.
      # Adding the `sed 1q' prevents false positives on HP-UX, which says:
      #   nm: unknown option "B" ignored
      if ($ac_dir/nm -B /dev/null 2>&1 | sed '1q'; exit 0) | egrep /dev/null >/dev/null; then
	ac_cv_path_NM="$ac_dir/nm -B"
	break
      elif ($ac_dir/nm -p /dev/null 2>&1 | sed '1q'; exit 0) | egrep /dev/null >/dev/null; then
	ac_cv_path_NM="$ac_dir/nm -p"
	break
      else
	ac_cv_path_NM=${ac_cv_path_NM="$ac_dir/nm"} # keep the first match, but
	continue # so that we can try to find one that supports BSD flags
      fi
    fi
  done
  IFS="$ac_save_ifs"
  test -z "$ac_cv_path_NM" && ac_cv_path_NM=nm
fi
fi

NM="$ac_cv_path_NM"
echo "$ac_t""$NM" 1>&6

echo $ac_n "checking whether ln -s works""... $ac_c" 1>&6
echo "configure:1311: checking whether ln -s works" >&5
if eval "test \"`echo '$''{'ac_cv_prog_LN_S'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  rm -f conftestdata
if ln -s X conftestdata 2>/dev/null
then
  rm -f conftestdata
  ac_cv_prog_LN_S="ln -s"
else
  ac_cv_prog_LN_S=ln
fi
fi
LN_S="$ac_cv_prog_LN_S"
if test "$ac_cv_prog_LN_S" = "ln -s"; then
  echo "$ac_t""yes" 1>&6
else
  echo "$ac_t""no" 1>&6
fi

if test $host != $build; then
  ac_tool_prefix=${host_alias}-
else
  ac_tool_prefix=
fi


case "$target" in
NONE) lt_target="$host" ;;
*) lt_target="$target" ;;
esac

# Check for any special flags to pass to ltconfig.
libtool_flags="--cache-file=$cache_file"
test "$enable_shared" = no && libtool_flags="$libtool_flags --disable-shared"
test "$enable_static" = no && libtool_flags="$libtool_flags --disable-static"
test "$enable_fast_install" = no && libtool_flags="$libtool_flags --disable-fast-install"
test "$ac_cv_prog_gcc" = yes && libtool_flags="$libtool_flags --with-gcc"
test "$ac_cv_prog_gnu_ld" = yes && libtool_flags="$libtool_flags --with-gnu-ld"

libtool_flags="$libtool_flags --enable-win32-dll"
# Check whether --enable-libtool-lock or --disable-libtool-lock was given.
if test "${enable_libtool_lock+set}" = set; then
  enableval="$enable_libtool_lock"
  :
fi

test "x$enable_libtool_lock" = xno && libtool_flags="$libtool_flags --disable-lock"
test x"$silent" = xyes && libtool_flags="$libtool_flags --silent"

# Some flags need to be propagated to the compiler or linker for good
# libtool support.
case "$lt_target" in
*-*-irix6*)
  # Find out which ABI we are using.
  echo '#line 1366 "configure"' > conftest.$ac_ext
  if { (eval echo configure:1367: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
    case "`/usr/bin/file conftest.o`" in
    *32-bit*)
      LD="${LD-ld} -32"
      ;;
    *N32*)
      LD="${LD-ld} -n32"
      ;;
    *64-bit*)
      LD="${LD-ld} -64"
      ;;
    esac
  fi
  rm -rf conftest*
  ;;

*-*-sco3.2v5*)
  # On SCO OpenServer 5, we need -belf to get full-featured binaries.
  SAVE_CFLAGS="$CFLAGS"
  CFLAGS="$CFLAGS -belf"
  echo $ac_n "checking whether the C compiler needs -belf""... $ac_c" 1>&6
echo "configure:1388: checking whether the C compiler needs -belf" >&5
if eval "test \"`echo '$''{'lt_cv_cc_needs_belf'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 1393 "configure"
#include "confdefs.h"

int main() {

; return 0; }
EOF
if { (eval echo configure:1400: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
  rm -rf conftest*
  lt_cv_cc_needs_belf=yes
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  lt_cv_cc_needs_belf=no
fi
rm -f conftest*
fi

echo "$ac_t""$lt_cv_cc_needs_belf" 1>&6
  if test x"$lt_cv_cc_needs_belf" != x"yes"; then
    # this is probably gcc 2.8.0, egcs 1.0 or newer; no need for -belf
    CFLAGS="$SAVE_CFLAGS"
  fi
  ;;

*-*-cygwin* | *-*-mingw*)
  # Extract the first word of "${ac_tool_prefix}dlltool", so it can be a program name with args.
set dummy ${ac_tool_prefix}dlltool; ac_word=$2
echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
echo "configure:1423: checking for $ac_word" >&5
if eval "test \"`echo '$''{'ac_cv_prog_DLLTOOL'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  if test -n "$DLLTOOL"; then
  ac_cv_prog_DLLTOOL="$DLLTOOL" # Let the user override the test.
else
  IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS=":"
  ac_dummy="$PATH"
  for ac_dir in $ac_dummy; do
    test -z "$ac_dir" && ac_dir=.
    if test -f $ac_dir/$ac_word; then
      ac_cv_prog_DLLTOOL="${ac_tool_prefix}dlltool"
      break
    fi
  done
  IFS="$ac_save_ifs"
fi
fi
DLLTOOL="$ac_cv_prog_DLLTOOL"
if test -n "$DLLTOOL"; then
  echo "$ac_t""$DLLTOOL" 1>&6
else
  echo "$ac_t""no" 1>&6
fi


if test -z "$ac_cv_prog_DLLTOOL"; then
if test -n "$ac_tool_prefix"; then
  # Extract the first word of "dlltool", so it can be a program name with args.
set dummy dlltool; ac_word=$2
echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
echo "configure:1455: checking for $ac_word" >&5
if eval "test \"`echo '$''{'ac_cv_prog_DLLTOOL'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  if test -n "$DLLTOOL"; then
  ac_cv_prog_DLLTOOL="$DLLTOOL" # Let the user override the test.
else
  IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS=":"
  ac_dummy="$PATH"
  for ac_dir in $ac_dummy; do
    test -z "$ac_dir" && ac_dir=.
    if test -f $ac_dir/$ac_word; then
      ac_cv_prog_DLLTOOL="dlltool"
      break
    fi
  done
  IFS="$ac_save_ifs"
  test -z "$ac_cv_prog_DLLTOOL" && ac_cv_prog_DLLTOOL="false"
fi
fi
DLLTOOL="$ac_cv_prog_DLLTOOL"
if test -n "$DLLTOOL"; then
  echo "$ac_t""$DLLTOOL" 1>&6
else
  echo "$ac_t""no" 1>&6
fi

else
  DLLTOOL="false"
fi
fi

  # Extract the first word of "${ac_tool_prefix}as", so it can be a program name with args.
set dummy ${ac_tool_prefix}as; ac_word=$2
echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
echo "configure:1490: checking for $ac_word" >&5
if eval "test \"`echo '$''{'ac_cv_prog_AS'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  if test -n "$AS"; then
  ac_cv_prog_AS="$AS" # Let the user override the test.
else
  IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS=":"
  ac_dummy="$PATH"
  for ac_dir in $ac_dummy; do
    test -z "$ac_dir" && ac_dir=.
    if test -f $ac_dir/$ac_word; then
      ac_cv_prog_AS="${ac_tool_prefix}as"
      break
    fi
  done
  IFS="$ac_save_ifs"
fi
fi
AS="$ac_cv_prog_AS"
if test -n "$AS"; then
  echo "$ac_t""$AS" 1>&6
else
  echo "$ac_t""no" 1>&6
fi


if test -z "$ac_cv_prog_AS"; then
if test -n "$ac_tool_prefix"; then
  # Extract the first word of "as", so it can be a program name with args.
set dummy as; ac_word=$2
echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
echo "configure:1522: checking for $ac_word" >&5
if eval "test \"`echo '$''{'ac_cv_prog_AS'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  if test -n "$AS"; then
  ac_cv_prog_AS="$AS" # Let the user override the test.
else
  IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS=":"
  ac_dummy="$PATH"
  for ac_dir in $ac_dummy; do
    test -z "$ac_dir" && ac_dir=.
    if test -f $ac_dir/$ac_word; then
      ac_cv_prog_AS="as"
      break
    fi
  done
  IFS="$ac_save_ifs"
  test -z "$ac_cv_prog_AS" && ac_cv_prog_AS="false"
fi
fi
AS="$ac_cv_prog_AS"
if test -n "$AS"; then
  echo "$ac_t""$AS" 1>&6
else
  echo "$ac_t""no" 1>&6
fi

else
  AS="false"
fi
fi

  # Extract the first word of "${ac_tool_prefix}objdump", so it can be a program name with args.
set dummy ${ac_tool_prefix}objdump; ac_word=$2
echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
echo "configure:1557: checking for $ac_word" >&5
if eval "test \"`echo '$''{'ac_cv_prog_OBJDUMP'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  if test -n "$OBJDUMP"; then
  ac_cv_prog_OBJDUMP="$OBJDUMP" # Let the user override the test.
else
  IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS=":"
  ac_dummy="$PATH"
  for ac_dir in $ac_dummy; do
    test -z "$ac_dir" && ac_dir=.
    if test -f $ac_dir/$ac_word; then
      ac_cv_prog_OBJDUMP="${ac_tool_prefix}objdump"
      break
    fi
  done
  IFS="$ac_save_ifs"
fi
fi
OBJDUMP="$ac_cv_prog_OBJDUMP"
if test -n "$OBJDUMP"; then
  echo "$ac_t""$OBJDUMP" 1>&6
else
  echo "$ac_t""no" 1>&6
fi


if test -z "$ac_cv_prog_OBJDUMP"; then
if test -n "$ac_tool_prefix"; then
  # Extract the first word of "objdump", so it can be a program name with args.
set dummy objdump; ac_word=$2
echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
echo "configure:1589: checking for $ac_word" >&5
if eval "test \"`echo '$''{'ac_cv_prog_OBJDUMP'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  if test -n "$OBJDUMP"; then
  ac_cv_prog_OBJDUMP="$OBJDUMP" # Let the user override the test.
else
  IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS=":"
  ac_dummy="$PATH"
  for ac_dir in $ac_dummy; do
    test -z "$ac_dir" && ac_dir=.
    if test -f $ac_dir/$ac_word; then
      ac_cv_prog_OBJDUMP="objdump"
      break
    fi
  done
  IFS="$ac_save_ifs"
  test -z "$ac_cv_prog_OBJDUMP" && ac_cv_prog_OBJDUMP="false"
fi
fi
OBJDUMP="$ac_cv_prog_OBJDUMP"
if test -n "$OBJDUMP"; then
  echo "$ac_t""$OBJDUMP" 1>&6
else
  echo "$ac_t""no" 1>&6
fi

else
  OBJDUMP="false"
fi
fi

  ;;

esac


# Save cache, so that ltconfig can load it
cat > confcache <<\EOF
# This file is a shell script that caches the results of configure
# tests run on this system so they can be shared between configure
# scripts and configure runs.  It is not useful on other systems.
# If it contains results you don't want to keep, you may remove or edit it.
#
# By default, configure uses ./config.cache as the cache file,
# creating it if it does not exist already.  You can give configure
# the --cache-file=FILE option to use a different cache file; that is
# what configure does when it calls configure scripts in
# subdirectories, so they share the cache.
# Giving --cache-file=/dev/null disables caching, for debugging configure.
# config.status only pays attention to the cache file if you give it the
# --recheck option to rerun configure.
#
EOF
# The following way of writing the cache mishandles newlines in values,
# but we know of no workaround that is simple, portable, and efficient.
# So, don't put newlines in cache variables' values.
# Ultrix sh set writes to stderr and can't be redirected directly,
# and sets the high bit in the cache file unless we assign to the vars.
(set) 2>&1 |
  case `(ac_space=' '; set | grep ac_space) 2>&1` in
  *ac_space=\ *)
    # `set' does not quote correctly, so add quotes (double-quote substitution
    # turns \\\\ into \\, and sed turns \\ into \).
    sed -n \
      -e "s/'/'\\\\''/g" \
      -e "s/^\\([a-zA-Z0-9_]*_cv_[a-zA-Z0-9_]*\\)=\\(.*\\)/\\1=\${\\1='\\2'}/p"
    ;;
  *)
    # `set' quotes correctly as required by POSIX, so do not add quotes.
    sed -n -e 's/^\([a-zA-Z0-9_]*_cv_[a-zA-Z0-9_]*\)=\(.*\)/\1=${\1=\2}/p'
    ;;
  esac >> confcache
if cmp -s $cache_file confcache; then
  :
else
  if test -w $cache_file; then
    echo "updating cache $cache_file"
    cat confcache > $cache_file
  else
    echo "not updating unwritable cache $cache_file"