configure.in

SFC游戏模拟器 snes9x 1.43 的原代码

   #OLD_COLOUR_BLENDING hasn't been default for a while
   # SYSDEFINES="$SYSDEFINES"' -DOLD_COLOUR_BLENDING'
   :
fi


dnl FIXME: Refuse to compile with compromisable zlib? (setuid DGA...)
dnl FIXME: $snes9x_cv_sys_os needs to be set
AC_ARG_WITH(zlib,     [  --with(out)-zlib        Support gzip decompression],[],[with_zlib=yes])
define([AC_CHECK_GZ],
[
  done=no
  AC_MSG_CHECKING(working lib$1)
  AC_CACHE_VAL(snes9x_cv_working_$1,[
    OLDLIBS="${LIBS-}"
    LIBS="${LIBS-} -l$1"
    AC_TRY_RUN([
`cat $srcdir/unix/gz_test.c`
    ],snes9x_cv_working_$1=yes,snes9x_cv_working_$1=no,
      AC_TRY_LINK([
`cat $srcdir/unix/gz_test.c`
#define main notmain
      ],[],snes9x_cv_working_$1=yes,snes9x_cv_working_$1=no)
    )
  ])
  LIBS="$OLDLIBS"

  if test "x$snes9x_cv_working_$1" = xyes; then
    SNES9X_FEATURE(Gz,[yes (lib$1)])
    AC_MSG_RESULT(yes)
    AC_DEFINE(HAVE_LIBZ)
    LIBS="${LIBS-} -l$1"
    done=yes
  else
    AC_MSG_RESULT(no)
  fi

  if test $done = no; then
    $2
    :
  fi
])

if test x$with_zlib = xyes ; then
  SNES9X_FEATURE_NODEP(Gz)
  AC_CHECK_HEADERS(zlib.h)
  if test $ac_cv_header_zlib_h = yes ; then
    AC_MSG_CHECKING([if zlib.h is new enough])
    AC_TRY_LINK([
#include <zlib.h>
    ],[
int foo = (int)(Z_NO_COMPRESSION | Z_VERSION_ERROR);
    ],[ AC_MSG_RESULT(yes) ],[ AC_MSG_RESULT(no); ac_cv_header_zlib_h=no ])

    SNES9X_FEATURE(Gz,[no (zlib is too old)])
    if test $ac_cv_header_zlib_h = yes ; then
      if test x$snes9x_cv_sys_os = xIRIX ; then
        # The libz.so supplied with IRIX 6.3 needs these obscure symbols
        # C++? It also differs which library which contains them.
        AC_CHECK_LIB(Csup, __vtbl__9type_info)
	if test "$ac_cv_lib_Csup___vtbl__9type_info" = "yes" ; then :; else
          AC_CHECK_LIB(C, __vtbl__9type_info)
	fi
	AC_CHECK_LIB(Csup, __T_9__nothrow)
	AC_HAVE_FUNCS(__vtbl__9type_info)
	AC_HAVE_FUNCS(__T_9__nothrow)
      fi

dnl FIXME: Fails since $ac_ext gets set to "cc" and that invoces gcc C++ mode
#      AC_CHECK_GZ(z,[AC_CHECK_GZ(gz,[ ac_cv_lib_z_main=no ] ) ])
      AC_CHECK_LIB(z, gzread, [
        SYSDEFINES="$SYSDEFINES"' -DZLIB'
        SYSLIBS="$SYSLIBS -lz"
        SNES9X_FEATURE(Gz,[yes])
      ], [
        SNES9X_FEATURE(Gz,[no])
      ])

    fi
  fi
fi


dnl Enable PNG support for screenshots
AC_ARG_WITH(png,      [  --with(out)-screenshot  Screenshot support through libpng if available (default: with)],[],[with_screenshot=yes])

if test yes = "$with_screenshot"; then
  AC_CHECK_LIB(png, png_jmpbuf, [
    SYSDEFINES="$SYSDEFINES"' -DHAVE_LIBPNG'
    SYSLIBS="$SYSLIBS -lpng"
  ], , -lz -lm)
fi



dnl Check for functions
AC_CHECK_FUNC(mkstemp, [
  SYSDEFINES="$SYSDEFINES"' -DHAVE_MKSTEMP'
])


dnl Locate X include

AC_PATH_X
if test xyes = x$no_x ; then
  dnl Maybe AC_MSG_ERROR?
  AC_MSG_WARN([X is normally required to build on Unix.])
else
  X_LDFLAGS="-L$x_libraries"
  X_LIBS="-lX11 -lXext"
  LIBS="$LIBS $X_LIBS"
  SYSLIBS="$SYSLIBS $X_LDFLAGS $X_LIBS"
fi
dnl NOTE: PATH_X doesn't set up the include path if it's in the system path
if test x$x_includes != x ; then
  X_INCLUDES="-I$x_includes"
fi
AC_ADD_XFLAGS


dnl See if X has the DGA and vidmode extensions.
AC_ARG_WITH(extensions,[  --with(out)-extensions  Use DGA- and vidmode-extensions for X11 if avilable (default: with)],[],[with_extensions=yes])

if test yes = $with_extensions ; then
  AC_CHECK_LIB(Xxf86dga, XF86DGAQueryExtension, [
    AC_CHECK_LIB(Xxf86vm, XF86VidModeQueryVersion, [
      SYSDEFINES="$SYSDEFINES"' -DUSE_DGA_EXTENSION -DUSE_VIDMODE_EXTENSION'
      SYSLIBS="$SYSLIBS"' -lXxf86dga -lXxf86vm'
      SNES9X_FEATURE([DGA, vidmode],[yes])
    ],[ SNES9X_FEATURE([DGA, vidmode],[no (No vidmode extension)]) ])
  ],[ SNES9X_FEATURE([DGA, vidmode],[no (No DGA extension)]) ])
else
  SNES9X_FEATURE_WITHOUT([DGA, vidmode])
fi


dnl Search for GNU make

dnl AC_MSG_CHECKING(for GNU make)

dnl snes9x_cv_gnu_make_command=no
dnl for x in "${MAKE:-make}" make gmake gnumake ; do
dnl   if [ "`$x --version 2> /dev/null | grep -c GNU`" != "0" ] ; then
dnl     snes9x_cv_gnu_make_command=$x ;
dnl     break ;
dnl   fi
dnl done
dnl AC_MSG_RESULT($snes9x_cv_gnu_make_command)
dnl if test "x$snes9x_cv_gnu_make_command" = xno ; then
dnl   AC_MSG_WARN([
dnl Snes9X must have GNU make to compile. Please get on from the nearest 
dnl GNU mirror.
dnl ])
dnl fi


dnl Check for headers

AC_CHECK_HEADER(strings.h, [
  SYSDEFINES="$SYSDEFINES"' -DHAVE_STRINGS_H'
])

AC_CHECK_HEADER(sys/ioctl.h, [
  SYSDEFINES="$SYSDEFINES"' -DHAVE_SYS_IOCTL_H'
])

AC_CHECK_HEADERS(unistd.h sys/socket.h winsock.h winsock2.h WS2tcpip.h)


dnl Check accept. Thoughly.

AC_MSG_CHECKING(for the type of the last argument to accept)
AC_CACHE_VAL(snes9x_cv_accept_size_t, [
  for t in socklen_t size_t int; do
    AC_TRY_COMPILE([
#ifndef _LARGEFILE_SOURCE
#  define _FILE_OFFSET_BITS 64
#  define _LARGEFILE_SOURCE
#  define _LARGEFILE64_SOURCE 1
#endif
/* HPUX needs these too... */
#ifndef __STDC_EXT__
#  define __STDC_EXT__
#endif /* !__STDC_EXT__ */

#include <sys/types.h>
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#ifdef HAVE_SYS_SOCKET_H
#include <sys/socket.h>
#endif

/* NT */
#ifdef HAVE_WINSOCK2_H
#include <WinSock2.h>
#ifdef HAVE_WS2TCPIP_H
/* Needed for IPv6 support. */
#include <WS2tcpip.h>
#endif
#elif defined(HAVE_WINSOCK_H)
#include <winsock.h>
#endif

/* Here is the actual test: */
int accept(int, struct sockaddr *, $t *);
    ], [
      /* EMPTY */
    ], [
      snes9x_cv_accept_size_t=$t
      break
    ], [
      AC_TRY_COMPILE([
#ifndef _LARGEFILE_SOURCE
#  define _FILE_OFFSET_BITS 64
#  define _LARGEFILE_SOURCE
#  define _LARGEFILE64_SOURCE 1
#endif
/* HPUX needs these too... */
#ifndef __STDC_EXT__
#  define __STDC_EXT__
#endif /* !__STDC_EXT__ */

#include <sys/types.h>
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#ifdef HAVE_SYS_SOCKET_H
#include <sys/socket.h>
#endif

/* NT */
#ifdef HAVE_WINSOCK2_H
#include <WinSock2.h>
#ifdef HAVE_WS2TCPIP_H
/* Needed for IPv6 support. */
#include <WS2tcpip.h>
#endif
#elif defined(HAVE_WINSOCK_H)
#include <winsock.h>
#endif

/* Here is the actual test: */
SOCKET accept(SOCKET, struct sockaddr *, $t *);
      ], [
        /* EMPTY */
      ], [
	snes9x_cv_accept_size_t=$t
	break
      ], [])
    ])
  done
  if test "x$snes9x_cv_accept_size_t" = "x"; then
    # Check if it could be a Psocklen_t
    # Psocklen_t is a stupid typedef of socklen_t *.
    AC_TRY_COMPILE([
#ifndef _LARGEFILE_SOURCE
#  define _FILE_OFFSET_BITS 64
#  define _LARGEFILE_SOURCE
#  define _LARGEFILE64_SOURCE 1
#endif
/* HPUX needs these too... */
#ifndef __STDC_EXT__
#  define __STDC_EXT__
#endif /* !__STDC_EXT__ */

#include <sys/types.h>
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#ifdef HAVE_SYS_SOCKET_H
#include <sys/socket.h>
#endif

/* NT */
#ifdef HAVE_WINSOCK2_H
#include <WinSock2.h>
#ifdef HAVE_WS2TCPIP_H
/* Needed for IPv6 support. */
#include <WS2tcpip.h>
#endif
#elif defined(HAVE_WINSOCK_H)
#include <winsock.h>
#endif

/* Here is the actual test: */
int accept(int, struct sockaddr *, Psocklen_t);
    ], [
      /* EMPTY */
    ], [
      snes9x_cv_accept_size_t=socklen_t
    ], [
      # FIXME: Should probably have a warning here.
      # FIXME: Should we check if socklen_t exists, and use that?
      snes9x_cv_accept_size_t=int
    ])
  fi
])
AC_MSG_RESULT($snes9x_cv_accept_size_t *)
AC_DEFINE_UNQUOTED(ACCEPT_SIZE_T, $snes9x_cv_accept_size_t)
SYSDEFINES="$SYSDEFINES ""'"-DACCEPT_SIZE_T=$snes9x_cv_accept_size_t"'"

dnl heavy socket testing ends here...


dnl HP-UX needs this to get sane declarations of some Unix98 interfaces.

AC_MSG_CHECKING(if _XOPEN_SOURCE_EXTENDED is defined)
AC_CACHE_VAL(snes9x_cv_xopen_source_extended, [
AC_TRY_COMPILE([
#ifdef _XOPEN_SOURCE_EXTENDED
/* */
#else
#error _XOPEN_SOURCE_EXTENDED not defined.
#endif
  ], [], snes9x_cv_xopen_source_extended=yes, snes9x_cv_xopen_source_extended=no)])
AC_MSG_RESULT($snes9x_cv_xopen_source_extended)

if test no = $snes9x_cv_xopen_source_extended -a \
        yes = $snes9x_cv_hpux_os ; then
SYSDEFINES="$SYSDEFINES"' -D_XOPEN_SOURCE_EXTENDED'
AC_MSG_RESULT([Defining _XOPEN_SOURCE_EXTENDED since HP-UX needs it.])
fi


dnl Check for posix threads, will be overridden if no sound is found
dnl FIXME: This is very very basic. A lot of systems can be coaxed to
dnl        cough up pthreads.
THREAD_SOUND='#THREAD_SOUND=1'
AC_CHECK_HEADER(pthread.h, [ 
  THREAD_SOUND='THREAD_SOUND=1' 
])

dnl Check if we have sound code for this platform
AC_ARG_WITH(sound,    [  --with(out)-sound       Enable sound if available (default: with)],[],[with_sound=yes])

if test yes = "$with_sound" ; then
  AC_MSG_CHECKING(if sound is supported on this platform)
  AC_CACHE_VAL(snes9x_cv_sound, [
  AC_TRY_COMPILE([
#if defined(__linux) || defined(__sun) || defined(__sgi)
/* */
#else
#error No sound for this platform
#endif
  ], [], snes9x_cv_sound=yes, snes9x_cv_sound=no)])
  AC_MSG_RESULT($snes9x_cv_sound)
else
  snes9x_cv_sound=no
fi

if test no = $snes9x_cv_sound ; then
  SYSDEFINES="$SYSDEFINES"' -DNOSOUND'
  THREAD_SOUND='#THREAD_SOUND=1'
fi


dnl Checks for libraries.
AC_CHECK_LIB(nsl, gethostbyname)
AC_CHECK_LIB(socket, socket)
SYSLIBS="$SYSLIBS $LIBS"

	
BASEDIR=`(cd $srcdir/.. ; pwd)`
BUILDDIR=`pwd`

touch dependencies

AC_SUBST(OPTIMIZE)
AC_SUBST(RTTIFLAG)
AC_SUBST(ZSNESFX)
AC_SUBST(ZSNESC4)
AC_SUBST(ASMCPU)
AC_SUBST(ASMKREED)
AC_SUBST(SDD1_DECOMP)
AC_SUBST(SPC700ASM)
AC_SUBST(I386SPC)
AC_SUBST(THREAD_SOUND)
AC_SUBST(SYSLIBS)
AC_SUBST(CPUINC)
AC_SUBST(SYSDEFINES)
AC_SUBST(JOYDEFINES)
AC_SUBST(X_INCLUDES)
AC_SUBST(BUILDDIR)
AC_SUBST(NASM)
AC_SUBST(GLIDE)
AC_SUBST(OPENGL)
AC_SUBST(AIDO)
AC_SUBST(DREAMCAST)
AC_SUBST(JMA)

rm config.info 2>/dev/null

cat >config.info <<EOF

build information:
cc................ $CC
cxx............... $CXX
options........... $OPTIMIZE
libs.............. $SYSLIBS
defines........... $SYSDEFINES

features:
PAD_FEATURE([new colour blender])$with_newblend
PAD_FEATURE([sound support])$snes9x_cv_sound
PAD_FEATURE([display system])$snes9x_info_display
PAD_FEATURE([joystick support])$with_joystick
PAD_FEATURE([SDD1 decompression])$with_sdd1_decomp
PAD_FEATURE([JMA decompression])$with_jmadecomp
PAD_FEATURE([debugger])$with_debugger
`cat snes9x_*.feature`

EOF


cat config.info


AC_OUTPUT(Makefile)