configure

基于SDL实现的GUI

# so one script is as good as another.  But avoid the broken or
# incompatible versions:
# SysV /etc/install, /usr/sbin/install
# SunOS /usr/etc/install
# IRIX /sbin/install
# AIX /bin/install
# AIX 4 /usr/bin/installbsd, which doesn't work without a -g flag
# AFS /usr/afsws/bin/install, which mishandles nonexistent args
# SVR4 /usr/ucb/install, which tries to use the nonexistent group "staff"
# ./install, which can be erroneously created by make from ./install.sh.
echo $ac_n "checking for a BSD compatible install""... $ac_c" 1>&6
echo "configure:1240: checking for a BSD compatible install" >&5
if test -z "$INSTALL"; then
if eval "test \"`echo '$''{'ac_cv_path_install'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
    IFS="${IFS= 	}"; ac_save_IFS="$IFS"; IFS=":"
  for ac_dir in $PATH; do
    # Account for people who put trailing slashes in PATH elements.
    case "$ac_dir/" in
    /|./|.//|/etc/*|/usr/sbin/*|/usr/etc/*|/sbin/*|/usr/afsws/bin/*|/usr/ucb/*) ;;
    *)
      # OSF1 and SCO ODT 3.0 have their own names for install.
      # Don't use installbsd from OSF since it installs stuff as root
      # by default.
      for ac_prog in ginstall scoinst install; do
        if test -f $ac_dir/$ac_prog; then
	  if test $ac_prog = install &&
            grep dspmsg $ac_dir/$ac_prog >/dev/null 2>&1; then
	    # AIX install.  It has an incompatible calling convention.
	    :
	  else
	    ac_cv_path_install="$ac_dir/$ac_prog -c"
	    break 2
	  fi
	fi
      done
      ;;
    esac
  done
  IFS="$ac_save_IFS"

fi
  if test "${ac_cv_path_install+set}" = set; then
    INSTALL="$ac_cv_path_install"
  else
    # As a last resort, use the slow shell script.  We don't cache a
    # path for INSTALL within a source directory, because that will
    # break other packages using the cache if that directory is
    # removed, or if the path is relative.
    INSTALL="$ac_install_sh"
  fi
fi
echo "$ac_t""$INSTALL" 1>&6

# Use test -z because SunOS4 sh mishandles braces in ${var-val}.
# It thinks the first close brace ends the variable substitution.
test -z "$INSTALL_PROGRAM" && INSTALL_PROGRAM='${INSTALL}'

test -z "$INSTALL_SCRIPT" && INSTALL_SCRIPT='${INSTALL_PROGRAM}'

test -z "$INSTALL_DATA" && INSTALL_DATA='${INSTALL} -m 644'



echo $ac_n "checking for working const""... $ac_c" 1>&6
echo "configure:1295: checking for working const" >&5
if eval "test \"`echo '$''{'ac_cv_c_const'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 1300 "configure"
#include "confdefs.h"

int main() {

/* Ultrix mips cc rejects this.  */
typedef int charset[2]; const charset x;
/* SunOS 4.1.1 cc rejects this.  */
char const *const *ccp;
char **p;
/* NEC SVR4.0.2 mips cc rejects this.  */
struct point {int x, y;};
static struct point const zero = {0,0};
/* AIX XL C 1.02.0.0 rejects this.
   It does not let you subtract one const X* pointer from another in an arm
   of an if-expression whose if-part is not a constant expression */
const char *g = "string";
ccp = &g + (g ? g-g : 0);
/* HPUX 7.0 cc rejects these. */
++ccp;
p = (char**) ccp;
ccp = (char const *const *) p;
{ /* SCO 3.2v4 cc rejects this.  */
  char *t;
  char const *s = 0 ? (char *) 0 : (char const *) 0;

  *t++ = 0;
}
{ /* Someone thinks the Sun supposedly-ANSI compiler will reject this.  */
  int x[] = {25, 17};
  const int *foo = &x[0];
  ++foo;
}
{ /* Sun SC1.0 ANSI compiler rejects this -- but not the above. */
  typedef const int *iptr;
  iptr p = 0;
  ++p;
}
{ /* AIX XL C 1.02.0.0 rejects this saying
     "k.c", line 2.27: 1506-025 (S) Operand must be a modifiable lvalue. */
  struct s { int j; const int *ap[3]; };
  struct s *b; b->j = 5;
}
{ /* ULTRIX-32 V3.1 (Rev 9) vcc rejects this */
  const int foo = 10;
}

; return 0; }
EOF
if { (eval echo configure:1349: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
  rm -rf conftest*
  ac_cv_c_const=yes
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  ac_cv_c_const=no
fi
rm -f conftest*
fi

echo "$ac_t""$ac_cv_c_const" 1>&6
if test $ac_cv_c_const = no; then
  cat >> confdefs.h <<\EOF
#define const 
EOF

fi


case "$target" in
    alpha*-*-linux*)
        CFLAGS="$CFLAGS -mcpu=ev4 -Wa,-mall"
        ;;
    *-*-cygwin* | *-*-mingw*)
        if test "$build" != "$target"; then # cross-compiling
            ac_default_prefix=/usr/local/cross-tools/i386-mingw32msvc
        fi
        SYS_GL_LIBS="-lopengl32 -lglu32"
        ;;
    *-*-linux*)
        SYS_GL_LIBS="-L/usr/X11R6/lib -lGL"
        ;;
    *)
        SYS_GL_LIBS="-lGL"
        ;;
esac

# Use the macro SDL provides to check the installed version of the SDL
# development environment.  Abort the configuration process if the
# minimum version we require isn't available.
SDL_VERSION=1.1.2
# Check whether --with-sdl-prefix or --without-sdl-prefix was given.
if test "${with_sdl_prefix+set}" = set; then
  withval="$with_sdl_prefix"
  sdl_prefix="$withval"
else
  sdl_prefix=""
fi

# Check whether --with-sdl-exec-prefix or --without-sdl-exec-prefix was given.
if test "${with_sdl_exec_prefix+set}" = set; then
  withval="$with_sdl_exec_prefix"
  sdl_exec_prefix="$withval"
else
  sdl_exec_prefix=""
fi

# Check whether --enable-sdltest or --disable-sdltest was given.
if test "${enable_sdltest+set}" = set; then
  enableval="$enable_sdltest"
  :
else
  enable_sdltest=yes
fi


  if test x$sdl_exec_prefix != x ; then
     sdl_args="$sdl_args --exec-prefix=$sdl_exec_prefix"
     if test x${SDL_CONFIG+set} != xset ; then
        SDL_CONFIG=$sdl_exec_prefix/bin/sdl-config
     fi
  fi
  if test x$sdl_prefix != x ; then
     sdl_args="$sdl_args --prefix=$sdl_prefix"
     if test x${SDL_CONFIG+set} != xset ; then
        SDL_CONFIG=$sdl_prefix/bin/sdl-config
     fi
  fi

  # Extract the first word of "sdl-config", so it can be a program name with args.
set dummy sdl-config; ac_word=$2
echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
echo "configure:1433: checking for $ac_word" >&5
if eval "test \"`echo '$''{'ac_cv_path_SDL_CONFIG'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  case "$SDL_CONFIG" in
  /*)
  ac_cv_path_SDL_CONFIG="$SDL_CONFIG" # Let the user override the test with a path.
  ;;
  ?:/*)			 
  ac_cv_path_SDL_CONFIG="$SDL_CONFIG" # Let the user override the test with a dos path.
  ;;
  *)
  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_path_SDL_CONFIG="$ac_dir/$ac_word"
      break
    fi
  done
  IFS="$ac_save_ifs"
  test -z "$ac_cv_path_SDL_CONFIG" && ac_cv_path_SDL_CONFIG="no"
  ;;
esac
fi
SDL_CONFIG="$ac_cv_path_SDL_CONFIG"
if test -n "$SDL_CONFIG"; then
  echo "$ac_t""$SDL_CONFIG" 1>&6
else
  echo "$ac_t""no" 1>&6
fi

  min_sdl_version=$SDL_VERSION
  echo $ac_n "checking for SDL - version >= $min_sdl_version""... $ac_c" 1>&6
echo "configure:1468: checking for SDL - version >= $min_sdl_version" >&5
  no_sdl=""
  if test "$SDL_CONFIG" = "no" ; then
    no_sdl=yes
  else
    SDL_CFLAGS=`$SDL_CONFIG $sdlconf_args --cflags`
    SDL_LIBS=`$SDL_CONFIG $sdlconf_args --libs`

    sdl_major_version=`$SDL_CONFIG $sdl_args --version | \
           sed 's/\([0-9]*\).\([0-9]*\).\([0-9]*\)/\1/'`
    sdl_minor_version=`$SDL_CONFIG $sdl_args --version | \
           sed 's/\([0-9]*\).\([0-9]*\).\([0-9]*\)/\2/'`
    sdl_micro_version=`$SDL_CONFIG $sdl_config_args --version | \
           sed 's/\([0-9]*\).\([0-9]*\).\([0-9]*\)/\3/'`
    if test "x$enable_sdltest" = "xyes" ; then
      ac_save_CFLAGS="$CFLAGS"
      ac_save_LIBS="$LIBS"
      CFLAGS="$CFLAGS $SDL_CFLAGS"
      LIBS="$LIBS $SDL_LIBS"
      rm -f conf.sdltest
      if test "$cross_compiling" = yes; then
  echo $ac_n "cross compiling; assumed OK... $ac_c"
else
  cat > conftest.$ac_ext <<EOF
#line 1492 "configure"
#include "confdefs.h"

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "SDL.h"

char*
my_strdup (char *str)
{
  char *new_str;
  
  if (str)
    {
      new_str = (char *)malloc ((strlen (str) + 1) * sizeof(char));
      strcpy (new_str, str);
    }
  else
    new_str = NULL;
  
  return new_str;
}

int main (int argc, char *argv[])
{
  int major, minor, micro;
  char *tmp_version;

  /* This hangs on some systems (?)
  system ("touch conf.sdltest");
  */
  { FILE *fp = fopen("conf.sdltest", "a"); if ( fp ) fclose(fp); }

  /* HP/UX 9 (%@#!) writes to sscanf strings */
  tmp_version = my_strdup("$min_sdl_version");
  if (sscanf(tmp_version, "%d.%d.%d", &major, &minor, &micro) != 3) {
     printf("%s, bad version string\n", "$min_sdl_version");
     exit(1);
   }

   if (($sdl_major_version > major) ||
      (($sdl_major_version == major) && ($sdl_minor_version > minor)) ||
      (($sdl_major_version == major) && ($sdl_minor_version == minor) && ($sdl_micro_version >= micro)))
    {
      return 0;
    }
  else
    {
      printf("\n*** 'sdl-config --version' returned %d.%d.%d, but the minimum version\n", $sdl_major_version, $sdl_minor_version, $sdl_micro_version);
      printf("*** of SDL required is %d.%d.%d. If sdl-config is correct, then it is\n", major, minor, micro);
      printf("*** best to upgrade to the required version.\n");
      printf("*** If sdl-config was wrong, set the environment variable SDL_CONFIG\n");
      printf("*** to point to the correct copy of sdl-config, and remove the file\n");
      printf("*** config.cache before re-running configure\n");
      return 1;
    }
}


EOF
if { (eval echo configure:1553: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
then
  :
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -fr conftest*
  no_sdl=yes
fi
rm -fr conftest*
fi

       CFLAGS="$ac_save_CFLAGS"
       LIBS="$ac_save_LIBS"
     fi
  fi
  if test "x$no_sdl" = x ; then
     echo "$ac_t""yes" 1>&6
     :     
  else
     echo "$ac_t""no" 1>&6
     if test "$SDL_CONFIG" = "no" ; then
       echo "*** The sdl-config script installed by SDL could not be found"
       echo "*** If SDL was installed in PREFIX, make sure PREFIX/bin is in"
       echo "*** your path, or set the SDL_CONFIG environment variable to the"
       echo "*** full path to sdl-config."
     else
       if test -f conf.sdltest ; then
        :
       else
          echo "*** Could not run SDL test program, checking why..."
          CFLAGS="$CFLAGS $SDL_CFLAGS"
          LIBS="$LIBS $SDL_LIBS"
          cat > conftest.$ac_ext <<EOF
#line 1587 "configure"
#include "confdefs.h"

#include <stdio.h>
#include "SDL.h"

int main() {
 return 0; 
; return 0; }
EOF
if { (eval echo configure:1597: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
  rm -rf conftest*
   echo "*** The test program compiled, but did not run. This usually means"
          echo "*** that the run-time linker is not finding SDL or finding the wrong"
          echo "*** version of SDL. If it is not finding SDL, you'll need to set your"
          echo "*** LD_LIBRARY_PATH environment variable, or edit /etc/ld.so.conf to point"
          echo "*** to the installed location  Also, make sure you have run ldconfig if that"
          echo "*** is required on your system"
	  echo "***"
          echo "*** If you have an old version installed, it is best to remove it, although"
          echo "*** you may also be able to get things to work by modifying LD_LIBRARY_PATH"
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
   echo "*** The test program failed to compile or link. See the file config.log for the"
          echo "*** exact error that occured. This usually means SDL was incorrectly installed"
          echo "*** or that you have moved SDL since it was installed. In the latter case, you"
          echo "*** may want to edit the sdl-config script: $SDL_CONFIG" 
fi
rm -f conftest*
          CFLAGS="$ac_save_CFLAGS"
          LIBS="$ac_save_LIBS"
       fi
     fi
     SDL_CFLAGS=""
     SDL_LIBS=""
     { echo "configure: error: *** SDL version $SDL_VERSION not found!" 1>&2; exit 1; }

  fi
  
  
  rm -f conf.sdltest

# Add the SDL preprocessor flags and libraries to the build process
CFLAGS="$CFLAGS $SDL_CFLAGS"
LIBS="$LIBS $SDL_LIBS"

# Look for a working SDL_image library
echo $ac_n "checking for IMG_Load_RW in -lSDL_image""... $ac_c" 1>&6
echo "configure:1637: checking for IMG_Load_RW in -lSDL_image" >&5