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gbeauche |
1.1 |
dnl Process this file with autoconf to produce a configure script. |
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dnl Written in 2002 by Christian Bauer |
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AC_INIT([SheepShaver], 2.2, [Christian.Bauer@uni-mainz.de], SheepShaver) |
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AC_CONFIG_SRCDIR(main_unix.cpp) |
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AC_PREREQ(2.52) |
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AC_CONFIG_HEADER(config.h) |
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dnl Canonical system information. |
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AC_CANONICAL_HOST |
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AC_CANONICAL_TARGET |
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gbeauche |
1.2 |
dnl Some systems do not put corefiles in the currect directory, avoid saving |
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dnl cores for the configure tests since some are intended to dump core. |
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ulimit -c 0 |
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gbeauche |
1.1 |
dnl Options. |
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AC_ARG_ENABLE(jit, [ --enable-jit enable JIT compiler [default=yes]], [WANT_JIT=$enableval], [WANT_JIT=yes]) |
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AC_ARG_ENABLE(ppc-emulator, [ --enable-ppc-emulator use the selected PowerPC emulator [default=auto]], [WANT_EMULATED_PPC=$enableval], [WANT_EMULATED_PPC=auto]) |
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AC_ARG_ENABLE(xf86-dga, [ --enable-xf86-dga use the XFree86 DGA extension [default=yes]], [WANT_XF86_DGA=$enableval], [WANT_XF86_DGA=yes]) |
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AC_ARG_ENABLE(xf86-vidmode, [ --enable-xf86-vidmode use the XFree86 VidMode extension [default=no]], [WANT_XF86_VIDMODE=$enableval], [WANT_XF86_VIDMODE=no]) |
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AC_ARG_ENABLE(vosf, [ --enable-vosf enable video on SEGV signals [default=yes]], [WANT_VOSF=$enableval], [WANT_VOSF=yes]) |
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AC_ARG_WITH(esd, [ --with-esd support ESD for sound under Linux/FreeBSD [default=yes]], [WANT_ESD=$withval], [WANT_ESD=yes]) |
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AC_ARG_WITH(gtk, [ --with-gtk use GTK user interface [default=yes]], [WANT_GTK=$withval], [WANT_GTK=yes]) |
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AC_ARG_WITH(mon, [ --with-mon use mon as debugger [default=yes]], [WANT_MON=$withval], [WANT_MON=yes]) |
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AC_ARG_WITH(dgcc, [ --with-dgcc=COMPILER use C++ COMPILER to compile synthetic opcodes], [DYNGEN_CC=$withval]) |
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dnl SDL options. |
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AC_ARG_ENABLE(sdl-static, [ --enable-sdl-static use SDL static libraries for linking [default=no]], [WANT_SDL_STATIC=$enableval], [WANT_SDL_STATIC=no]) |
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AC_ARG_ENABLE(sdl-video, [ --enable-sdl-video use SDL for video graphics [default=no]], [WANT_SDL_VIDEO=$enableval], [WANT_SDL_VIDEO=no]) |
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dnl Checks for programs. |
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AC_PROG_CC |
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AC_PROG_CPP |
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AC_PROG_CXX |
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AC_PROG_MAKE_SET |
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AC_PROG_INSTALL |
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gbeauche |
1.3 |
AC_PROG_EGREP |
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gbeauche |
1.1 |
|
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dnl Check for PowerPC target CPU. |
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HAVE_PPC=no |
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AC_MSG_CHECKING(for PowerPC target CPU) |
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AC_EGREP_CPP(yes, |
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[ |
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#ifdef __powerpc__ |
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yes |
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#endif |
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#ifdef __ppc__ |
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yes |
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#endif |
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], [AC_MSG_RESULT(yes); HAVE_PPC=yes], AC_MSG_RESULT(no)) |
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dnl We use native CPU if possible. |
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EMULATED_PPC=yes |
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case $WANT_EMULATED_PPC in |
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auto) [[ "x$HAVE_PPC" = "xyes" ]] && EMULATED_PPC=no;; |
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no) EMULATED_PPC=no;; |
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esac |
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if [[ "x$EMULATED_PPC" = "xyes" ]]; then |
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AC_DEFINE(EMULATED_PPC, 1, [Define if using a PowerPC CPU emulator.]) |
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fi |
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dnl We use mon if possible. |
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MONSRCS= |
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case "x$WANT_MON" in |
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x/* | x.*) |
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mon_srcdir=$WANT_MON |
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WANT_MON=yes |
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;; |
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xyes) |
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mon_srcdir=../../../mon/src |
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;; |
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esac |
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if [[ "x$WANT_MON" = "xyes" ]]; then |
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AC_MSG_CHECKING(for mon) |
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if grep mon_init $mon_srcdir/mon.h >/dev/null 2>/dev/null; then |
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AC_MSG_RESULT(yes) |
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AC_DEFINE(ENABLE_MON, 1, [Define if using "mon".]) |
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MONSRCS="$mon_srcdir/mon.cpp $mon_srcdir/mon_6502.cpp $mon_srcdir/mon_z80.cpp $mon_srcdir/mon_cmd.cpp $mon_srcdir/mon_lowmem.cpp $mon_srcdir/mon_disass.cpp $mon_srcdir/mon_ppc.cpp $mon_srcdir/disass/floatformat.c $mon_srcdir/disass/i386-dis.c $mon_srcdir/disass/m68k-dis.c $mon_srcdir/disass/m68k-opc.c" |
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CXXFLAGS="$CXXFLAGS -I$mon_srcdir -I$mon_srcdir/disass" |
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AC_CHECK_LIB(ncurses, tgetent, , |
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AC_CHECK_LIB(termcap, tgetent, , |
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AC_CHECK_LIB(termlib, tgetent, , |
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AC_CHECK_LIB(terminfo, tgetent, , |
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AC_CHECK_LIB(Hcurses, tgetent, , |
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AC_CHECK_LIB(curses, tgetent)))))) |
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AC_CHECK_LIB(readline, readline) |
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AC_CHECK_HEADERS(readline.h history.h readline/readline.h readline/history.h) |
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else |
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AC_MSG_RESULT(no) |
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AC_MSG_WARN([Could not find mon, ignoring --with-mon.]) |
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WANT_MON=no |
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fi |
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fi |
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dnl Checks for libraries. |
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AC_CHECK_LIB(posix4, sem_init) |
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dnl Do we need SDL? |
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WANT_SDL=no |
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SDL_SUPPORT="none" |
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if [[ "x$WANT_SDL_VIDEO" = "xyes" ]]; then |
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WANT_SDL=yes |
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WANT_XF86_DGA=no |
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WANT_XF86_VIDMODE=no |
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WANT_FBDEV_DGA=no |
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SDL_SUPPORT="video" |
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fi |
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if [[ "x$WANT_SDL" = "xyes" ]]; then |
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AC_PATH_PROG(sdl_config, "sdl-config") |
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if [[ -n "$sdl_config" ]]; then |
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sdl_cflags=`$sdl_config --cflags` |
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if [[ "x$WANT_SDL_STATIC" = "xyes" ]]; then |
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sdl_libs=`$sdl_config --static-libs` |
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else |
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sdl_libs=`$sdl_config --libs` |
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fi |
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CFLAGS="$CFLAGS $sdl_cflags" |
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CXXFLAGS="$CXXFLAGS $sdl_cflags" |
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LIBS="$LIBS $sdl_libs" |
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else |
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WANT_SDL=no |
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fi |
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fi |
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dnl We need X11, if not using SDL. |
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if [[ "x$WANT_SDL" = "xno" ]]; then |
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AC_PATH_XTRA |
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if [[ "x$no_x" = "xyes" ]]; then |
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AC_MSG_ERROR([You need X11 to run SheepShaver.]) |
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fi |
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CFLAGS="$CFLAGS $X_CFLAGS" |
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CXXFLAGS="$CXXFLAGS $X_CFLAGS" |
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LIBS="$LIBS $X_PRE_LIBS $X_LIBS -lX11 -lXext $X_EXTRA_LIBS" |
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fi |
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dnl We need pthreads on non-PowerPC systems. Try libpthread first, then libc_r (FreeBSD), then PTL. |
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HAVE_PTHREADS=yes |
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case $EMULATED_PPC:$target_os in |
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no:linux*) |
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dnl We do have our own pthread_cancel() implementation |
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AC_DEFINE(HAVE_PTHREAD_CANCEL, 1, [Define if you have the pthread_cancel function.]) |
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;; |
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*:*) |
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AC_CHECK_LIB(pthread, pthread_create, , [ |
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AC_CHECK_LIB(c_r, pthread_create, , [ |
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AC_CHECK_LIB(PTL, pthread_create, , [ |
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AC_MSG_ERROR([You need pthreads to run Basilisk II.]) |
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]) |
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]) |
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]) |
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AC_CHECK_FUNCS(pthread_cancel) |
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AC_CHECK_FUNCS(pthread_mutexattr_setprotocol) |
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AC_CHECK_FUNCS(pthread_mutexattr_settype) |
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AC_CHECK_FUNCS(pthread_mutexattr_setpshared) |
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if [[ "x$HAVE_PTHREADS" = "xyes" ]]; then |
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AC_DEFINE(HAVE_PTHREADS, 1, [Define if pthreads are available.]) |
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fi |
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dnl If POSIX.4 semaphores are not available, we emulate them with pthread mutexes. |
| 160 |
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SEMSRC= |
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AC_CHECK_FUNCS(sem_init, , [ |
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if test "x$HAVE_PTHREADS" = "xyes"; then |
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SEMSRC=posix_sem.cpp |
| 164 |
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fi |
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]) |
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;; |
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esac |
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dnl We use XFree86 DGA if possible. |
| 170 |
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if [[ "x$WANT_XF86_DGA" = "xyes" ]]; then |
| 171 |
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AC_CHECK_LIB(Xxf86dga, XF86DGAQueryExtension, [ |
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AC_DEFINE(ENABLE_XF86_DGA, 1, [Define if using XFree86 DGA extension.]) |
| 173 |
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LIBS="$LIBS -lXxf86dga" |
| 174 |
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], [ |
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AC_MSG_WARN([Could not find XFree86 DGA extension, ignoring --enable-xf86-dga.]) |
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WANT_XF86_DGA=no |
| 177 |
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]) |
| 178 |
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fi |
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| 180 |
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dnl We use XFree86 VidMode if possible. |
| 181 |
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if [[ "x$WANT_XF86_VIDMODE" = "xyes" ]]; then |
| 182 |
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AC_CHECK_LIB(Xxf86vm, XF86VidModeQueryExtension, [ |
| 183 |
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AC_DEFINE(ENABLE_XF86_VIDMODE, 1, [Define if using XFree86 DGA extension.]) |
| 184 |
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LIBS="$LIBS -lXxf86vm" |
| 185 |
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], [ |
| 186 |
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AC_MSG_WARN([Could not find XFree86 VidMode extension, ignoring --enable-xf86-vidmode.]) |
| 187 |
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WANT_XF86_VIDMODE=no |
| 188 |
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]) |
| 189 |
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fi |
| 190 |
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| 191 |
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dnl We use GTK+ if possible. |
| 192 |
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UISRCS=../dummy/prefs_editor_dummy.cpp |
| 193 |
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if [[ "x$WANT_GTK" = "xyes" ]]; then |
| 194 |
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AM_PATH_GTK(1.2.0, [ |
| 195 |
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AC_DEFINE(ENABLE_GTK, 1, [Define if using GTK.]) |
| 196 |
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CFLAGS="$CFLAGS $GTK_CFLAGS" |
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CXXFLAGS="$CXXFLAGS $GTK_CFLAGS" |
| 198 |
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LIBS="$LIBS $GTK_LIBS" |
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UISRCS=prefs_editor_gtk.cpp |
| 200 |
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], [ |
| 201 |
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AC_MSG_WARN([Could not find GTK+, disabling user interface.]) |
| 202 |
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WANT_GTK=no |
| 203 |
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]) |
| 204 |
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fi |
| 205 |
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| 206 |
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dnl We use ESD if possible. |
| 207 |
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if [[ "x$WANT_ESD" = "xyes" ]]; then |
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AM_PATH_ESD(0.2.8, [ |
| 209 |
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AC_DEFINE(ENABLE_ESD, 1, [Define is using ESD.]) |
| 210 |
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CFLAGS="$CFLAGS $ESD_CFLAGS" |
| 211 |
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CXXFLAGS="$CXXFLAGS $ESD_CFLAGS" |
| 212 |
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LIBS="$LIBS $ESD_LIBS" |
| 213 |
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], [ |
| 214 |
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AC_MSG_WARN([Could not find ESD, disabling ESD support.]) |
| 215 |
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WANT_ESD=no |
| 216 |
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]) |
| 217 |
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fi |
| 218 |
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| 219 |
gbeauche |
1.2 |
dnl We use 64-bit file size support if possible. |
| 220 |
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AC_SYS_LARGEFILE |
| 221 |
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| 222 |
gbeauche |
1.1 |
dnl Checks for header files. |
| 223 |
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AC_HEADER_STDC |
| 224 |
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AC_HEADER_SYS_WAIT |
| 225 |
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AC_CHECK_HEADERS(mach/vm_map.h mach/mach_init.h sys/mman.h) |
| 226 |
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AC_CHECK_HEADERS(sys/time.h sys/times.h sys/socket.h) |
| 227 |
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AC_CHECK_HEADERS(unistd.h fcntl.h byteswap.h) |
| 228 |
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AC_CHECK_HEADERS(linux/if.h, [], [], [ |
| 229 |
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#if HAVE_SYS_SOCKET_H |
| 230 |
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# include <sys/socket.h> |
| 231 |
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#endif |
| 232 |
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]) |
| 233 |
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AC_CHECK_HEADERS(linux/if_tun.h net/if.h net/if_tun.h) |
| 234 |
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| 235 |
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dnl Checks for typedefs, structures, and compiler characteristics. |
| 236 |
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AC_C_BIGENDIAN |
| 237 |
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AC_C_CONST |
| 238 |
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AC_C_INLINE |
| 239 |
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AC_CHECK_SIZEOF(short, 2) |
| 240 |
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AC_CHECK_SIZEOF(int, 4) |
| 241 |
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AC_CHECK_SIZEOF(long, 4) |
| 242 |
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AC_CHECK_SIZEOF(long long, 8) |
| 243 |
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AC_CHECK_SIZEOF(float, 4) |
| 244 |
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AC_CHECK_SIZEOF(double, 8) |
| 245 |
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AC_CHECK_SIZEOF(void *, 4) |
| 246 |
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AC_TYPE_OFF_T |
| 247 |
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AC_CHECK_TYPE(loff_t, off_t) |
| 248 |
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AC_TYPE_SIZE_T |
| 249 |
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AC_TYPE_SIGNAL |
| 250 |
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AC_HEADER_TIME |
| 251 |
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AC_STRUCT_TM |
| 252 |
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| 253 |
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dnl Check whether struct sigaction has sa_restorer member. |
| 254 |
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AC_CACHE_CHECK([whether struct sigaction has sa_restorer], |
| 255 |
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ac_cv_signal_sa_restorer, [ |
| 256 |
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AC_TRY_COMPILE([ |
| 257 |
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#include <signal.h> |
| 258 |
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], [struct sigaction sa; sa.sa_restorer = 0;], |
| 259 |
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ac_cv_signal_sa_restorer=yes, ac_cv_signal_sa_restorer=no, |
| 260 |
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dnl When cross-compiling, do not assume anything. |
| 261 |
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ac_cv_signal_sa_restorer=no |
| 262 |
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) |
| 263 |
|
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]) |
| 264 |
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if [[ "x$ac_cv_signal_sa_restorer" = "xyes" ]]; then |
| 265 |
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AC_DEFINE(HAVE_SIGNAL_SA_RESTORER, 1, [Define if sa_restorer is available in struct sigaction.]) |
| 266 |
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fi |
| 267 |
|
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|
| 268 |
|
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dnl Checks for library functions. |
| 269 |
|
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AC_CHECK_FUNCS(strdup strlcpy cfmakeraw) |
| 270 |
|
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AC_CHECK_FUNCS(nanosleep) |
| 271 |
|
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AC_CHECK_FUNCS(sigaction signal) |
| 272 |
|
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AC_CHECK_FUNCS(mmap mprotect munmap) |
| 273 |
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AC_CHECK_FUNCS(vm_allocate vm_deallocate vm_protect) |
| 274 |
|
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AC_CHECK_FUNCS(posix_memalign memalign valloc) |
| 275 |
|
|
|
| 276 |
|
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dnl Darwin seems to define mach_task_self() instead of task_self(). |
| 277 |
|
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AC_CHECK_FUNCS(mach_task_self task_self) |
| 278 |
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|
|
| 279 |
|
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dnl We need clock_gettime() for better performance but it may drag |
| 280 |
|
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dnl libpthread in, which we don't want for native ppc mode |
| 281 |
|
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case $EMULATED_PPC:$target_os in |
| 282 |
|
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no:linux*) |
| 283 |
|
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;; |
| 284 |
|
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*:*) |
| 285 |
|
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AC_SEARCH_LIBS(clock_gettime, [rt posix4]) |
| 286 |
|
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AC_CHECK_FUNCS(clock_gettime) |
| 287 |
|
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;; |
| 288 |
|
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esac |
| 289 |
|
|
|
| 290 |
|
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dnl AC_CHECK_FRAMEWORK($1=NAME, $2=INCLUDES) |
| 291 |
|
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AC_DEFUN(AC_CHECK_FRAMEWORK, [ |
| 292 |
|
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AS_VAR_PUSHDEF([ac_Framework], [ac_cv_framework_$1])dnl |
| 293 |
|
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AC_CACHE_CHECK([whether compiler supports framework $1], |
| 294 |
|
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ac_Framework, [ |
| 295 |
|
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saved_LIBS="$LIBS" |
| 296 |
|
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LIBS="$LIBS -framework $1" |
| 297 |
|
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AC_TRY_LINK( |
| 298 |
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[$2], [int main(void) { return 0; }], |
| 299 |
|
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[AS_VAR_SET(ac_Framework, yes)], [AS_VAR_SET(ac_Framework, no); LIBS="$saved_LIBS"] |
| 300 |
|
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) |
| 301 |
|
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]) |
| 302 |
|
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AS_IF([test AS_VAR_GET(ac_Framework) = yes], |
| 303 |
|
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[AC_DEFINE(AS_TR_CPP(HAVE_FRAMEWORK_$1), 1, [Define if framework $1 is available.])] |
| 304 |
|
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) |
| 305 |
|
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AS_VAR_POPDEF([ac_Framework])dnl |
| 306 |
|
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]) |
| 307 |
|
|
|
| 308 |
|
|
dnl Check for some MacOS X frameworks |
| 309 |
|
|
AC_CHECK_FRAMEWORK(Carbon, [#include <Carbon/Carbon.h>]) |
| 310 |
|
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AC_CHECK_FRAMEWORK(IOKit, [#include <IOKit/IOKitLib.h>]) |
| 311 |
|
|
|
| 312 |
|
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dnl Select system-dependant sources. |
| 313 |
|
|
SERIALSRC=serial_unix.cpp |
| 314 |
|
|
ETHERSRC=../dummy/ether_dummy.cpp |
| 315 |
|
|
SCSISRC=../dummy/scsi_dummy.cpp |
| 316 |
|
|
AUDIOSRC=../dummy/audio_dummy.cpp |
| 317 |
|
|
EXTRASYSSRCS= |
| 318 |
|
|
case "$target_os" in |
| 319 |
|
|
linux*) |
| 320 |
|
|
ETHERSRC=Linux/ether_linux.cpp |
| 321 |
|
|
AUDIOSRC=audio_oss_esd.cpp |
| 322 |
|
|
SCSISRC=Linux/scsi_linux.cpp |
| 323 |
|
|
if [[ "x$EMULATED_PPC" = "xno" ]]; then |
| 324 |
|
|
EXTRASYSSRCS="Linux/paranoia.cpp Linux/sheepthreads.c Linux/asm_linux.S" |
| 325 |
|
|
fi |
| 326 |
|
|
;; |
| 327 |
|
|
darwin*) |
| 328 |
|
|
if [[ "x$EMULATED_PPC" = "xno" ]]; then |
| 329 |
|
|
EXTRASYSSRCS="Darwin/paranoia.cpp Linux/asm_linux.S" |
| 330 |
|
|
fi |
| 331 |
|
|
if [[ "x$ac_cv_framework_IOKit" = "xyes" ]]; then |
| 332 |
|
|
EXTRASYSSRCS="$EXTRASYSSRCS ../MacOSX/sys_darwin.cpp" |
| 333 |
|
|
fi |
| 334 |
|
|
;; |
| 335 |
|
|
esac |
| 336 |
|
|
|
| 337 |
|
|
dnl SDL overrides |
| 338 |
|
|
if [[ "x$WANT_SDL" = "xyes" ]]; then |
| 339 |
|
|
AC_DEFINE(USE_SDL, 1, [Define to enble SDL support.]) |
| 340 |
|
|
fi |
| 341 |
|
|
if [[ "x$WANT_SDL_VIDEO" = "xyes" ]]; then |
| 342 |
|
|
VIDEOSRCS="../SDL/video_sdl.cpp" |
| 343 |
|
|
AC_DEFINE(USE_SDL_VIDEO, 1, [Define to enable SDL video graphics support.]) |
| 344 |
|
|
KEYCODES="../SDL/keycodes" |
| 345 |
|
|
if [[ "x$ac_cv_framework_Carbon" = "xyes" ]]; then |
| 346 |
|
|
EXTRASYSSRCS="$EXTRASYSSRCS ../MacOSX/clip_macosx.cpp" |
| 347 |
|
|
else |
| 348 |
|
|
EXTRASYSSRCS="$EXTRASYSSRCS ../dummy/clip_dummy.cpp" |
| 349 |
|
|
fi |
| 350 |
|
|
else |
| 351 |
|
|
VIDEOSRCS="video_x.cpp" |
| 352 |
|
|
KEYCODES="keycodes" |
| 353 |
|
|
EXTRASYSSRCS="$EXTRASYSSRCS clip_unix.cpp" |
| 354 |
|
|
fi |
| 355 |
|
|
|
| 356 |
|
|
SYSSRCS="$VIDEOSRCS $SERIALSRC $ETHERSRC $SCSISRC $AUDIOSRC $SEMSRC $UISRCS $MONSRCS $EXTRASYSSRCS" |
| 357 |
|
|
|
| 358 |
|
|
dnl Define a macro that translates a yesno-variable into a C macro definition |
| 359 |
|
|
dnl to be put into the config.h file |
| 360 |
|
|
dnl $1 -- the macro to define |
| 361 |
|
|
dnl $2 -- the value to translate |
| 362 |
|
|
dnl $3 -- template name |
| 363 |
|
|
AC_DEFUN(AC_TRANSLATE_DEFINE, [ |
| 364 |
|
|
if [[ "x$2" = "xyes" -o "x$2" = "xguessing yes" ]]; then |
| 365 |
|
|
AC_DEFINE($1, 1, $3) |
| 366 |
|
|
fi |
| 367 |
|
|
]) |
| 368 |
|
|
|
| 369 |
|
|
dnl Check that the host supports TUN/TAP devices |
| 370 |
|
|
AC_CACHE_CHECK([whether TUN/TAP is supported], |
| 371 |
|
|
ac_cv_tun_tap_support, [ |
| 372 |
|
|
AC_TRY_COMPILE([ |
| 373 |
|
|
#if defined(HAVE_LINUX_IF_H) && defined(HAVE_LINUX_IF_TUN_H) |
| 374 |
|
|
#include <linux/if.h> |
| 375 |
|
|
#include <linux/if_tun.h> |
| 376 |
|
|
#endif |
| 377 |
|
|
#if defined(HAVE_NET_IF_H) && defined(HAVE_NET_IF_TUN_H) |
| 378 |
|
|
#include <net/if.h> |
| 379 |
|
|
#include <net/if_tun.h> |
| 380 |
|
|
#endif |
| 381 |
|
|
], [ |
| 382 |
|
|
struct ifreq ifr; |
| 383 |
|
|
memset(&ifr, 0, sizeof(ifr)); |
| 384 |
|
|
ifr.ifr_flags = IFF_TAP | IFF_NO_PI; |
| 385 |
|
|
], |
| 386 |
|
|
ac_cv_tun_tap_support=yes, ac_cv_tun_tap_support=no |
| 387 |
|
|
) |
| 388 |
|
|
]) |
| 389 |
|
|
AC_TRANSLATE_DEFINE(ENABLE_TUNTAP, "$ac_cv_tun_tap_support", |
| 390 |
|
|
[Define if your system supports TUN/TAP devices.]) |
| 391 |
|
|
|
| 392 |
|
|
dnl Various checks if the system supports vm_allocate() and the like functions. |
| 393 |
|
|
have_mach_vm=no |
| 394 |
|
|
if [[ "x$ac_cv_func_vm_allocate" = "xyes" -a "x$ac_cv_func_vm_deallocate" = "xyes" -a \ |
| 395 |
|
|
"x$ac_cv_func_vm_protect" = "xyes" ]]; then |
| 396 |
|
|
have_mach_vm=yes |
| 397 |
|
|
fi |
| 398 |
|
|
AC_TRANSLATE_DEFINE(HAVE_MACH_VM, "$have_mach_vm", |
| 399 |
|
|
[Define if your system has a working vm_allocate()-based memory allocator.]) |
| 400 |
|
|
|
| 401 |
|
|
dnl Check that vm_allocate(), vm_protect() work |
| 402 |
|
|
if [[ "x$have_mach_vm" = "xyes" ]]; then |
| 403 |
|
|
|
| 404 |
|
|
AC_CACHE_CHECK([whether vm_protect works], |
| 405 |
|
|
ac_cv_vm_protect_works, [ |
| 406 |
|
|
AC_LANG_SAVE |
| 407 |
|
|
AC_LANG_CPLUSPLUS |
| 408 |
|
|
ac_cv_vm_protect_works=yes |
| 409 |
|
|
dnl First the tests that should segfault |
| 410 |
|
|
for test_def in NONE_READ NONE_WRITE READ_WRITE; do |
| 411 |
|
|
AC_TRY_RUN([ |
| 412 |
|
|
#define CONFIGURE_TEST_VM_MAP |
| 413 |
|
|
#define TEST_VM_PROT_$test_def |
| 414 |
|
|
#include "vm_alloc.cpp" |
| 415 |
|
|
], ac_cv_vm_protect_works=no, rm -f core, |
| 416 |
|
|
dnl When cross-compiling, do not assume anything |
| 417 |
|
|
ac_cv_vm_protect_works="guessing no" |
| 418 |
|
|
) |
| 419 |
|
|
done |
| 420 |
|
|
AC_TRY_RUN([ |
| 421 |
|
|
#define CONFIGURE_TEST_VM_MAP |
| 422 |
|
|
#define TEST_VM_PROT_RDWR_WRITE |
| 423 |
|
|
#include "vm_alloc.cpp" |
| 424 |
|
|
], , ac_cv_vm_protect_works=no, |
| 425 |
|
|
dnl When cross-compiling, do not assume anything |
| 426 |
|
|
ac_cv_vm_protect_works="guessing no" |
| 427 |
|
|
) |
| 428 |
|
|
AC_LANG_RESTORE |
| 429 |
|
|
] |
| 430 |
|
|
) |
| 431 |
|
|
|
| 432 |
|
|
dnl Remove support for vm_allocate() if vm_protect() does not work |
| 433 |
|
|
if [[ "x$have_mach_vm" = "xyes" ]]; then |
| 434 |
|
|
case $ac_cv_vm_protect_works in |
| 435 |
|
|
*yes) have_mach_vm=yes;; |
| 436 |
|
|
*no) have_mach_vm=no;; |
| 437 |
|
|
esac |
| 438 |
|
|
fi |
| 439 |
|
|
AC_TRANSLATE_DEFINE(HAVE_MACH_VM, "$have_mach_vm", |
| 440 |
|
|
[Define if your system has a working vm_allocate()-based memory allocator.]) |
| 441 |
|
|
|
| 442 |
|
|
fi dnl HAVE_MACH_VM |
| 443 |
|
|
|
| 444 |
|
|
dnl Various checks if the system supports mmap() and the like functions. |
| 445 |
|
|
dnl ... and Mach memory allocators are not supported |
| 446 |
|
|
have_mmap_vm=no |
| 447 |
|
|
if [[ "x$ac_cv_func_mmap" = "xyes" -a "x$ac_cv_func_munmap" = "xyes" -a \ |
| 448 |
|
|
"x$ac_cv_func_mprotect" = "xyes" ]]; then |
| 449 |
|
|
if [[ "x$have_mach_vm" = "xno" ]]; then |
| 450 |
|
|
have_mmap_vm=yes |
| 451 |
|
|
fi |
| 452 |
|
|
fi |
| 453 |
|
|
AC_TRANSLATE_DEFINE(HAVE_MMAP_VM, "$have_mmap_vm", |
| 454 |
|
|
[Define if your system has a working mmap()-based memory allocator.]) |
| 455 |
|
|
|
| 456 |
|
|
dnl Check that mmap() and associated functions work. |
| 457 |
|
|
if [[ "x$have_mmap_vm" = "xyes" ]]; then |
| 458 |
|
|
|
| 459 |
|
|
dnl Check if we have a working anonymous mmap() |
| 460 |
|
|
AC_CACHE_CHECK([whether mmap supports MAP_ANON], |
| 461 |
|
|
ac_cv_mmap_anon, [ |
| 462 |
|
|
AC_LANG_SAVE |
| 463 |
|
|
AC_LANG_CPLUSPLUS |
| 464 |
|
|
AC_TRY_RUN([ |
| 465 |
|
|
#define HAVE_MMAP_ANON |
| 466 |
|
|
#define CONFIGURE_TEST_VM_MAP |
| 467 |
|
|
#define TEST_VM_MMAP_ANON |
| 468 |
|
|
#include "vm_alloc.cpp" |
| 469 |
|
|
], ac_cv_mmap_anon=yes, ac_cv_mmap_anon=no, |
| 470 |
|
|
dnl When cross-compiling, do not assume anything. |
| 471 |
|
|
ac_cv_mmap_anon="guessing no" |
| 472 |
|
|
) |
| 473 |
|
|
AC_LANG_RESTORE |
| 474 |
|
|
] |
| 475 |
|
|
) |
| 476 |
|
|
AC_TRANSLATE_DEFINE(HAVE_MMAP_ANON, "$ac_cv_mmap_anon", |
| 477 |
|
|
[Define if <sys/mman.h> defines MAP_ANON and mmap()'ing with MAP_ANON works.]) |
| 478 |
|
|
|
| 479 |
|
|
AC_CACHE_CHECK([whether mmap supports MAP_ANONYMOUS], |
| 480 |
|
|
ac_cv_mmap_anonymous, [ |
| 481 |
|
|
AC_LANG_SAVE |
| 482 |
|
|
AC_LANG_CPLUSPLUS |
| 483 |
|
|
AC_TRY_RUN([ |
| 484 |
|
|
#define HAVE_MMAP_ANONYMOUS |
| 485 |
|
|
#define CONFIGURE_TEST_VM_MAP |
| 486 |
|
|
#define TEST_VM_MMAP_ANON |
| 487 |
|
|
#include "vm_alloc.cpp" |
| 488 |
|
|
], ac_cv_mmap_anonymous=yes, ac_cv_mmap_anonymous=no, |
| 489 |
|
|
dnl When cross-compiling, do not assume anything. |
| 490 |
|
|
ac_cv_mmap_anonymous="guessing no" |
| 491 |
|
|
) |
| 492 |
|
|
AC_LANG_RESTORE |
| 493 |
|
|
] |
| 494 |
|
|
) |
| 495 |
|
|
AC_TRANSLATE_DEFINE(HAVE_MMAP_ANONYMOUS, "$ac_cv_mmap_anonymous", |
| 496 |
|
|
[Define if <sys/mman.h> defines MAP_ANONYMOUS and mmap()'ing with MAP_ANONYMOUS works.]) |
| 497 |
|
|
|
| 498 |
|
|
AC_CACHE_CHECK([whether mprotect works], |
| 499 |
|
|
ac_cv_mprotect_works, [ |
| 500 |
|
|
AC_LANG_SAVE |
| 501 |
|
|
AC_LANG_CPLUSPLUS |
| 502 |
|
|
ac_cv_mprotect_works=yes |
| 503 |
|
|
dnl First the tests that should segfault |
| 504 |
|
|
for test_def in NONE_READ NONE_WRITE READ_WRITE; do |
| 505 |
|
|
AC_TRY_RUN([ |
| 506 |
|
|
#define CONFIGURE_TEST_VM_MAP |
| 507 |
|
|
#define TEST_VM_PROT_$test_def |
| 508 |
|
|
#include "vm_alloc.cpp" |
| 509 |
|
|
], ac_cv_mprotect_works=no, rm -f core, |
| 510 |
|
|
dnl When cross-compiling, do not assume anything |
| 511 |
|
|
ac_cv_mprotect_works="guessing no" |
| 512 |
|
|
) |
| 513 |
|
|
done |
| 514 |
|
|
AC_TRY_RUN([ |
| 515 |
|
|
#define CONFIGURE_TEST_VM_MAP |
| 516 |
|
|
#define TEST_VM_PROT_RDWR_WRITE |
| 517 |
|
|
#include "vm_alloc.cpp" |
| 518 |
|
|
], , ac_cv_mprotect_works=no, |
| 519 |
|
|
dnl When cross-compiling, do not assume anything |
| 520 |
|
|
ac_cv_mprotect_works="guessing no" |
| 521 |
|
|
) |
| 522 |
|
|
AC_LANG_RESTORE |
| 523 |
|
|
] |
| 524 |
|
|
) |
| 525 |
|
|
|
| 526 |
|
|
dnl Remove support for mmap() if mprotect() does not work |
| 527 |
|
|
if [[ "x$have_mmap_vm" = "xyes" ]]; then |
| 528 |
|
|
case $ac_cv_mprotect_works in |
| 529 |
|
|
*yes) have_mmap_vm=yes;; |
| 530 |
|
|
*no) have_mmap_vm=no;; |
| 531 |
|
|
esac |
| 532 |
|
|
fi |
| 533 |
|
|
AC_TRANSLATE_DEFINE(HAVE_MMAP_VM, $have_mmap_vm, |
| 534 |
|
|
[Define if your system has a working mmap()-based memory allocator.]) |
| 535 |
|
|
|
| 536 |
|
|
fi dnl HAVE_MMAP_VM |
| 537 |
|
|
|
| 538 |
|
|
dnl Check if we can modify the __PAGEZERO segment for use as Low Memory |
| 539 |
|
|
AC_CACHE_CHECK([whether __PAGEZERO can be Low Memory area 0x0000-0x3000], |
| 540 |
|
|
ac_cv_pagezero_hack, [ |
| 541 |
|
|
ac_cv_pagezero_hack=no |
| 542 |
|
|
if AC_TRY_COMMAND([Darwin/testlmem.sh 0x3000]); then |
| 543 |
|
|
ac_cv_pagezero_hack=yes |
| 544 |
|
|
dnl might as well skip the test for mmap-able low memory |
| 545 |
|
|
ac_cv_can_map_lm=no |
| 546 |
|
|
fi |
| 547 |
|
|
]) |
| 548 |
|
|
AC_TRANSLATE_DEFINE(PAGEZERO_HACK, "$ac_cv_pagezero_hack", |
| 549 |
|
|
[Define if the __PAGEZERO Mach-O Low Memory Globals hack works on this system.]) |
| 550 |
|
|
|
| 551 |
|
|
dnl Check if we can mmap 0x3000 bytes from 0x0000 |
| 552 |
|
|
AC_CACHE_CHECK([whether we can map Low Memory area 0x0000-0x3000], |
| 553 |
|
|
ac_cv_can_map_lm, [ |
| 554 |
|
|
AC_LANG_SAVE |
| 555 |
|
|
AC_LANG_CPLUSPLUS |
| 556 |
|
|
AC_TRY_RUN([ |
| 557 |
|
|
#include "vm_alloc.cpp" |
| 558 |
|
|
int main(void) { /* returns 0 if we could map the lowmem globals */ |
| 559 |
|
|
volatile char * lm = 0; |
| 560 |
|
|
if (vm_init() < 0) exit(1); |
| 561 |
|
|
if (vm_acquire_fixed(0, 0x2000) < 0) exit(1); |
| 562 |
|
|
lm[0] = 'z'; |
| 563 |
|
|
if (vm_release((char *)lm, 0x2000) < 0) exit(1); |
| 564 |
|
|
vm_exit(); exit(0); |
| 565 |
|
|
} |
| 566 |
|
|
], ac_cv_can_map_lm=yes, ac_cv_can_map_lm=no, |
| 567 |
|
|
dnl When cross-compiling, do not assume anything. |
| 568 |
|
|
ac_cv_can_map_lm="guessing no" |
| 569 |
|
|
) |
| 570 |
|
|
AC_LANG_RESTORE |
| 571 |
|
|
] |
| 572 |
|
|
) |
| 573 |
|
|
|
| 574 |
|
|
dnl Check signal handlers need to be reinstalled |
| 575 |
|
|
AC_CACHE_CHECK([whether signal handlers need to be reinstalled], |
| 576 |
|
|
ac_cv_signal_need_reinstall, [ |
| 577 |
|
|
AC_LANG_SAVE |
| 578 |
|
|
AC_LANG_CPLUSPLUS |
| 579 |
|
|
AC_TRY_RUN([ |
| 580 |
|
|
#include <stdlib.h> |
| 581 |
|
|
#ifdef HAVE_UNISTD_H |
| 582 |
|
|
#include <unistd.h> |
| 583 |
|
|
#endif |
| 584 |
|
|
#include <signal.h> |
| 585 |
|
|
static int handled_signal = 0; |
| 586 |
|
|
RETSIGTYPE sigusr1_handler(int) { handled_signal++; } |
| 587 |
|
|
int main(void) { /* returns 0 if signals need not to be reinstalled */ |
| 588 |
|
|
signal(SIGUSR1, sigusr1_handler); raise(SIGUSR1); raise(SIGUSR1); |
| 589 |
|
|
exit(handled_signal == 2); |
| 590 |
|
|
} |
| 591 |
|
|
], ac_cv_signal_need_reinstall=yes, ac_cv_signal_need_reinstall=no, |
| 592 |
|
|
dnl When cross-compiling, do not assume anything. |
| 593 |
|
|
ac_cv_signal_need_reinstall="guessing yes" |
| 594 |
|
|
) |
| 595 |
|
|
AC_LANG_RESTORE |
| 596 |
|
|
] |
| 597 |
|
|
) |
| 598 |
|
|
AC_TRANSLATE_DEFINE(SIGNAL_NEED_REINSTALL, "$ac_cv_signal_need_reinstall", |
| 599 |
|
|
[Define if your system requires signals to be reinstalled.]) |
| 600 |
|
|
|
| 601 |
|
|
dnl Check if sigaction handlers need to be reinstalled |
| 602 |
|
|
AC_CACHE_CHECK([whether sigaction handlers need to be reinstalled], |
| 603 |
|
|
ac_cv_sigaction_need_reinstall, [ |
| 604 |
|
|
AC_LANG_SAVE |
| 605 |
|
|
AC_LANG_CPLUSPLUS |
| 606 |
|
|
AC_TRY_RUN([ |
| 607 |
|
|
#include <stdlib.h> |
| 608 |
|
|
#ifdef HAVE_UNISTD_H |
| 609 |
|
|
#include <unistd.h> |
| 610 |
|
|
#endif |
| 611 |
|
|
#include <signal.h> |
| 612 |
|
|
static int handled_signal = 0; |
| 613 |
|
|
RETSIGTYPE sigusr1_handler(int) { handled_signal++; } |
| 614 |
|
|
typedef RETSIGTYPE (*signal_handler)(int); |
| 615 |
|
|
static signal_handler mysignal(int sig, signal_handler handler) { |
| 616 |
|
|
struct sigaction old_sa; |
| 617 |
|
|
struct sigaction new_sa; |
| 618 |
|
|
new_sa.sa_handler = handler; |
| 619 |
|
|
return ((sigaction(sig,&new_sa,&old_sa) < 0) ? SIG_IGN : old_sa.sa_handler); |
| 620 |
|
|
} |
| 621 |
|
|
int main(void) { /* returns 0 if signals need not to be reinstalled */ |
| 622 |
|
|
mysignal(SIGUSR1, sigusr1_handler); raise(SIGUSR1); raise(SIGUSR1); |
| 623 |
|
|
exit(handled_signal == 2); |
| 624 |
|
|
} |
| 625 |
|
|
], ac_cv_sigaction_need_reinstall=yes, ac_cv_sigaction_need_reinstall=no, |
| 626 |
|
|
dnl When cross-compiling, do not assume anything. |
| 627 |
|
|
ac_cv_sigaction_need_reinstall="guessing yes" |
| 628 |
|
|
) |
| 629 |
|
|
AC_LANG_RESTORE |
| 630 |
|
|
] |
| 631 |
|
|
) |
| 632 |
|
|
AC_TRANSLATE_DEFINE(SIGACTION_NEED_REINSTALL, "$ac_cv_sigaction_need_reinstall", |
| 633 |
|
|
[Define if your system requires sigactions to be reinstalled.]) |
| 634 |
|
|
|
| 635 |
|
|
dnl Check if Mach exceptions supported. |
| 636 |
|
|
AC_CACHE_CHECK([whether your system supports Mach exceptions], |
| 637 |
|
|
ac_cv_have_mach_exceptions, [ |
| 638 |
|
|
AC_LANG_SAVE |
| 639 |
|
|
AC_LANG_CPLUSPLUS |
| 640 |
|
|
AC_TRY_RUN([ |
| 641 |
|
|
#define HAVE_MACH_EXCEPTIONS 1 |
| 642 |
|
|
#define CONFIGURE_TEST_SIGSEGV_RECOVERY |
| 643 |
|
|
#include "vm_alloc.cpp" |
| 644 |
|
|
#include "sigsegv.cpp" |
| 645 |
|
|
], |
| 646 |
|
|
ac_cv_have_mach_exceptions=yes, |
| 647 |
|
|
ac_cv_have_mach_exceptions=no, |
| 648 |
|
|
dnl When cross-compiling, do not assume anything. |
| 649 |
|
|
ac_cv_have_mach_exceptions=no |
| 650 |
|
|
) |
| 651 |
|
|
AC_LANG_RESTORE |
| 652 |
|
|
] |
| 653 |
|
|
) |
| 654 |
|
|
if [[ "$ac_cv_have_mach_exceptions" = "yes" ]]; then |
| 655 |
|
|
sigsegv_recovery=mach |
| 656 |
|
|
fi |
| 657 |
|
|
AC_TRANSLATE_DEFINE(HAVE_MACH_EXCEPTIONS, "$ac_cv_have_mach_exceptions", |
| 658 |
|
|
[Define if your system supports Mach exceptions.]) |
| 659 |
|
|
|
| 660 |
|
|
dnl Otherwise, check if extended signals are supported. |
| 661 |
|
|
if [[ -z "$sigsegv_recovery" ]]; then |
| 662 |
|
|
AC_CACHE_CHECK([whether your system supports extended signal handlers], |
| 663 |
|
|
ac_cv_have_extended_signals, [ |
| 664 |
|
|
AC_LANG_SAVE |
| 665 |
|
|
AC_LANG_CPLUSPLUS |
| 666 |
|
|
AC_TRY_RUN([ |
| 667 |
|
|
#define HAVE_SIGINFO_T 1 |
| 668 |
|
|
#define CONFIGURE_TEST_SIGSEGV_RECOVERY |
| 669 |
|
|
#include "vm_alloc.cpp" |
| 670 |
|
|
#include "sigsegv.cpp" |
| 671 |
|
|
], |
| 672 |
|
|
ac_cv_have_extended_signals=yes, |
| 673 |
|
|
ac_cv_have_extended_signals=no, |
| 674 |
|
|
dnl When cross-compiling, do not assume anything. |
| 675 |
|
|
ac_cv_have_extended_signals=no |
| 676 |
|
|
) |
| 677 |
|
|
AC_LANG_RESTORE |
| 678 |
|
|
] |
| 679 |
|
|
) |
| 680 |
|
|
if [[ "$ac_cv_have_extended_signals" = "yes" ]]; then |
| 681 |
|
|
sigsegv_recovery=siginfo |
| 682 |
|
|
fi |
| 683 |
|
|
AC_TRANSLATE_DEFINE(HAVE_SIGINFO_T, "$ac_cv_have_extended_signals", |
| 684 |
|
|
[Define if your system support extended signals.]) |
| 685 |
|
|
fi |
| 686 |
|
|
|
| 687 |
|
|
dnl Otherwise, check for subterfuges. |
| 688 |
|
|
if [[ -z "$sigsegv_recovery" ]]; then |
| 689 |
|
|
AC_CACHE_CHECK([whether we then have a subterfuge for your system], |
| 690 |
|
|
ac_cv_have_sigcontext_hack, [ |
| 691 |
|
|
AC_LANG_SAVE |
| 692 |
|
|
AC_LANG_CPLUSPLUS |
| 693 |
|
|
AC_TRY_RUN([ |
| 694 |
|
|
#define HAVE_SIGCONTEXT_SUBTERFUGE 1 |
| 695 |
|
|
#define CONFIGURE_TEST_SIGSEGV_RECOVERY |
| 696 |
|
|
#include "vm_alloc.cpp" |
| 697 |
|
|
#include "sigsegv.cpp" |
| 698 |
|
|
], |
| 699 |
|
|
ac_cv_have_sigcontext_hack=yes, |
| 700 |
|
|
ac_cv_have_sigcontext_hack=no, |
| 701 |
|
|
dnl When cross-compiling, do not assume anything. |
| 702 |
|
|
ac_cv_have_sigcontext_hack=no |
| 703 |
|
|
) |
| 704 |
|
|
AC_LANG_RESTORE |
| 705 |
|
|
]) |
| 706 |
|
|
if [[ "$ac_cv_have_sigcontext_hack" = "yes" ]]; then |
| 707 |
|
|
sigsegv_recovery=sigcontext |
| 708 |
|
|
fi |
| 709 |
|
|
AC_TRANSLATE_DEFINE(HAVE_SIGCONTEXT_SUBTERFUGE, "$ac_cv_have_sigcontext_hack", |
| 710 |
|
|
[Define if we know a hack to replace siginfo_t->si_addr member.]) |
| 711 |
|
|
fi |
| 712 |
|
|
|
| 713 |
|
|
dnl Check if we can ignore the fault (instruction skipping in SIGSEGV handler) |
| 714 |
|
|
AC_CACHE_CHECK([whether we can skip instruction in SIGSEGV handler], |
| 715 |
|
|
ac_cv_have_skip_instruction, [ |
| 716 |
|
|
AC_LANG_SAVE |
| 717 |
|
|
AC_LANG_CPLUSPLUS |
| 718 |
|
|
AC_TRY_RUN([ |
| 719 |
|
|
#define HAVE_SIGSEGV_SKIP_INSTRUCTION 1 |
| 720 |
|
|
#define CONFIGURE_TEST_SIGSEGV_RECOVERY |
| 721 |
|
|
#include "vm_alloc.cpp" |
| 722 |
|
|
#include "sigsegv.cpp" |
| 723 |
|
|
], ac_cv_have_skip_instruction=yes, ac_cv_have_skip_instruction=no, |
| 724 |
|
|
dnl When cross-compiling, do not assume anything. |
| 725 |
|
|
ac_cv_have_skip_instruction=no |
| 726 |
|
|
) |
| 727 |
|
|
AC_LANG_RESTORE |
| 728 |
|
|
] |
| 729 |
|
|
) |
| 730 |
|
|
AC_TRANSLATE_DEFINE(HAVE_SIGSEGV_SKIP_INSTRUCTION, "$ac_cv_have_skip_instruction", |
| 731 |
|
|
[Define if we can ignore the fault (instruction skipping in SIGSEGV handler).]) |
| 732 |
|
|
|
| 733 |
|
|
dnl Can we do Video on SEGV Signals ? |
| 734 |
|
|
CAN_VOSF=no |
| 735 |
|
|
if [[ -n "$sigsegv_recovery" ]]; then |
| 736 |
|
|
CAN_VOSF=yes |
| 737 |
|
|
fi |
| 738 |
|
|
|
| 739 |
|
|
dnl Enable VOSF screen updates with this feature is requested and feasible |
| 740 |
|
|
if [[ "x$WANT_VOSF" = "xyes" -a "x$CAN_VOSF" = "xyes" ]]; then |
| 741 |
|
|
AC_DEFINE(ENABLE_VOSF, 1, [Define if using video enabled on SEGV signals.]) |
| 742 |
|
|
else |
| 743 |
|
|
WANT_VOSF=no |
| 744 |
|
|
fi |
| 745 |
|
|
|
| 746 |
|
|
dnl Platform specific binary postprocessor |
| 747 |
|
|
AC_PATH_PROG(BLESS, "true") |
| 748 |
|
|
if [[ "x$ac_cv_pagezero_hack" = "xyes" ]]; then |
| 749 |
|
|
BLESS=Darwin/lowmem |
| 750 |
|
|
LDFLAGS="$LDFLAGS -pagezero_size 0x3000" |
| 751 |
|
|
fi |
| 752 |
|
|
|
| 753 |
|
|
dnl Check for GCC 2.7 or higher. |
| 754 |
|
|
HAVE_GCC27=no |
| 755 |
|
|
AC_MSG_CHECKING(for GCC 2.7 or higher) |
| 756 |
|
|
AC_EGREP_CPP(xyes, |
| 757 |
|
|
[#if __GNUC__ - 1 > 1 || __GNUC_MINOR__ - 1 > 5 |
| 758 |
|
|
xyes |
| 759 |
|
|
#endif |
| 760 |
|
|
], [AC_MSG_RESULT(yes); HAVE_GCC27=yes], AC_MSG_RESULT(no)) |
| 761 |
|
|
|
| 762 |
|
|
dnl Check for GCC 3.0 or higher. |
| 763 |
|
|
HAVE_GCC30=no |
| 764 |
|
|
AC_MSG_CHECKING(for GCC 3.0 or higher) |
| 765 |
|
|
AC_EGREP_CPP(xyes, |
| 766 |
|
|
[#if __GNUC__ >= 3 |
| 767 |
|
|
xyes |
| 768 |
|
|
#endif |
| 769 |
|
|
], [AC_MSG_RESULT(yes); HAVE_GCC30=yes], AC_MSG_RESULT(no)) |
| 770 |
|
|
|
| 771 |
|
|
dnl Check for ICC. |
| 772 |
|
|
AC_MSG_CHECKING(for ICC) |
| 773 |
|
|
HAVE_ICC=no |
| 774 |
|
|
if $CXX -V -v 2>&1 | grep -q "Intel(R) C++ Compiler"; then |
| 775 |
|
|
HAVE_ICC=yes |
| 776 |
|
|
fi |
| 777 |
|
|
AC_MSG_RESULT($HAVE_ICC) |
| 778 |
|
|
|
| 779 |
|
|
# Test if the compiler can generate ELF objects |
| 780 |
|
|
AC_CACHE_CHECK([whether the compiler can generate ELF objects], |
| 781 |
|
|
ac_cv_elf_objects, [ |
| 782 |
|
|
echo 'int i;' > conftest.$ac_ext |
| 783 |
|
|
ac_cv_elf_objects=no |
| 784 |
|
|
if AC_TRY_EVAL(ac_compile); then |
| 785 |
|
|
case `/usr/bin/file conftest.$ac_objext` in |
| 786 |
|
|
*"ELF"*) |
| 787 |
|
|
ac_cv_elf_objects=yes |
| 788 |
|
|
;; |
| 789 |
|
|
esac |
| 790 |
|
|
fi |
| 791 |
|
|
rm -rf conftest* |
| 792 |
|
|
]) |
| 793 |
|
|
ELF_OBJECTS=$ac_cv_elf_objects |
| 794 |
|
|
|
| 795 |
|
|
dnl CPU emulator sources |
| 796 |
|
|
if [[ "x$EMULATED_PPC" = "xyes" ]]; then |
| 797 |
|
|
CPUSRCS="\ |
| 798 |
|
|
../kpx_cpu/src/cpu/ppc/ppc-cpu.cpp \ |
| 799 |
|
|
../kpx_cpu/src/cpu/ppc/ppc-decode.cpp \ |
| 800 |
|
|
../kpx_cpu/src/cpu/ppc/ppc-execute.cpp \ |
| 801 |
|
|
../kpx_cpu/src/cpu/ppc/ppc-translate.cpp" |
| 802 |
|
|
CPPFLAGS="$CPPFLAGS -I../kpx_cpu/include -I../kpx_cpu/src" |
| 803 |
|
|
|
| 804 |
|
|
dnl Enable JIT compiler, if possible |
| 805 |
|
|
if [[ "x$WANT_JIT" = "xyes" ]]; then |
| 806 |
|
|
AC_CACHE_CHECK([whether dyngen can be used], |
| 807 |
|
|
ac_cv_use_dyngen, [ |
| 808 |
|
|
case $host_cpu:$ELF_OBJECTS in |
| 809 |
|
|
powerpc:yes) |
| 810 |
|
|
ac_cv_use_dyngen=yes |
| 811 |
|
|
;; |
| 812 |
|
|
x86_64:yes) |
| 813 |
|
|
ac_cv_use_dyngen=yes |
| 814 |
|
|
;; |
| 815 |
|
|
i?86:yes) |
| 816 |
|
|
ac_cv_use_dyngen=yes |
| 817 |
|
|
;; |
| 818 |
|
|
*:*) |
| 819 |
|
|
ac_cv_use_dyngen=no |
| 820 |
|
|
;; |
| 821 |
|
|
esac |
| 822 |
|
|
dnl Check for a suitable synthetic opcodes compiler (icc is faking itself as gcc 3.2.2) |
| 823 |
|
|
if [[ -z "$DYNGEN_CC" ]]; then |
| 824 |
|
|
if [[ "x$HAVE_GCC27" = "xyes" -a "x$HAVE_ICC" = "xno" ]]; then |
| 825 |
|
|
DYNGEN_CC=$CXX |
| 826 |
|
|
else |
| 827 |
|
|
for p in /usr/bin /usr/local/bin; do |
| 828 |
|
|
gxx="$p/g++" |
| 829 |
|
|
if [[ -x "$gxx" ]]; then |
| 830 |
|
|
DYNGEN_CC="$gxx" |
| 831 |
|
|
fi |
| 832 |
|
|
done |
| 833 |
|
|
fi |
| 834 |
|
|
fi |
| 835 |
|
|
if [[ -z "$DYNGEN_CC" ]] || ! { echo '#include <limits>' | $DYNGEN_CC -xc++ -c -o /dev/null - >& /dev/null; }; then |
| 836 |
|
|
ac_cv_use_dyngen=no |
| 837 |
|
|
fi |
| 838 |
|
|
]) |
| 839 |
|
|
if [[ "x$ac_cv_use_dyngen" = "xyes" ]]; then |
| 840 |
|
|
case $host_cpu in |
| 841 |
|
|
i?86) |
| 842 |
|
|
DYNGEN_OP_FLAGS="-fomit-frame-pointer -mpreferred-stack-boundary=2" |
| 843 |
|
|
if [[ "x$HAVE_GCC30" = "xyes" ]]; then |
| 844 |
|
|
DYNGEN_OP_FLAGS="$DYNGEN_OP_FLAGS -falign-functions=0" |
| 845 |
|
|
else |
| 846 |
|
|
DYNGEN_OP_FLAGS="$DYNGEN_OP_FLAGS -malign-functions=0" |
| 847 |
|
|
fi |
| 848 |
|
|
saved_CPPFLAGS=$CPPFLAGS |
| 849 |
|
|
CPPFLAGS="$CPPFLAGS -mmmx" |
| 850 |
|
|
AC_CHECK_HEADERS(mmintrin.h, [DYNGEN_OP_FLAGS="$DYNGEN_OP_FLAGS -mmmx"]) |
| 851 |
|
|
CPPFLAGS="$CPPFLAGS -msse" |
| 852 |
|
|
AC_CHECK_HEADERS(xmmintrin.h, [DYNGEN_OP_FLAGS="$DYNGEN_OP_FLAGS -msse"]) |
| 853 |
|
|
CPPFLAGS="$CPPFLAGS -msse2" |
| 854 |
|
|
AC_CHECK_HEADERS(emmintrin.h, [DYNGEN_OP_FLAGS="$DYNGEN_OP_FLAGS -msse2"]) |
| 855 |
|
|
CPPFLAGS=$saved_CPPFLAGS |
| 856 |
|
|
;; |
| 857 |
|
|
x86_64) |
| 858 |
|
|
AC_CHECK_HEADERS(mmintrin.h xmmintrin.h emmintrin.h) |
| 859 |
|
|
;; |
| 860 |
|
|
esac |
| 861 |
|
|
DYNGEN_OP_FLAGS="$DYNGEN_OP_FLAGS -finline-limit=10000" |
| 862 |
|
|
if [[ "x$HAVE_GCC30" = "xyes" ]]; then |
| 863 |
|
|
DYNGEN_OP_FLAGS="$DYNGEN_OP_FLAGS -fno-reorder-blocks -fno-optimize-sibling-calls" |
| 864 |
|
|
fi |
| 865 |
|
|
else |
| 866 |
|
|
WANT_JIT=no |
| 867 |
|
|
fi |
| 868 |
|
|
AC_TRANSLATE_DEFINE(ENABLE_DYNGEN, $ac_cv_use_dyngen, [Define to enable dyngen engine]) |
| 869 |
|
|
if [[ "x$WANT_JIT" = "xyes" ]]; then |
| 870 |
|
|
DYNGENSRCS="\ |
| 871 |
|
|
../kpx_cpu/src/cpu/jit/dyngen.c \ |
| 872 |
|
|
../kpx_cpu/src/cpu/jit/cxxdemangle.cpp" |
| 873 |
|
|
CPUSRCS="\ |
| 874 |
|
|
../kpx_cpu/src/cpu/jit/jit-cache.cpp \ |
| 875 |
|
|
../kpx_cpu/src/cpu/jit/basic-dyngen.cpp \ |
| 876 |
|
|
../kpx_cpu/src/cpu/ppc/ppc-dyngen.cpp $CPUSRCS" |
| 877 |
|
|
fi |
| 878 |
|
|
fi |
| 879 |
|
|
CPUSRCS="$CPUSRCS ../kpx_cpu/sheepshaver_glue.cpp" |
| 880 |
|
|
else |
| 881 |
|
|
WANT_JIT=no |
| 882 |
|
|
fi |
| 883 |
|
|
if [[ "x$ac_cv_use_dyngen" = "xyes" ]]; then |
| 884 |
|
|
AC_CACHE_CHECK([whether static data regions are executable], |
| 885 |
|
|
ac_cv_have_static_data_exec, [ |
| 886 |
|
|
AC_TRY_RUN([int main(void) { |
| 887 |
|
|
#if defined(__powerpc__) |
| 888 |
|
|
static unsigned int p[8] = {0x4e800020,}; |
| 889 |
|
|
asm volatile("dcbst 0,%0" : : "r" (p) : "memory"); |
| 890 |
|
|
asm volatile("sync" : : : "memory"); |
| 891 |
|
|
asm volatile("icbi 0,%0" : : "r" (p) : "memory"); |
| 892 |
|
|
asm volatile("sync" : : : "memory"); |
| 893 |
|
|
asm volatile("isync" : : : "memory"); |
| 894 |
|
|
((void (*)(void))p)(); |
| 895 |
|
|
return 0; |
| 896 |
|
|
#endif |
| 897 |
|
|
return 1; |
| 898 |
|
|
}], ac_cv_have_static_data_exec=yes, ac_cv_have_static_data_exec=no, |
| 899 |
|
|
dnl When cross-compiling, do not assume anything. |
| 900 |
|
|
ac_cv_have_static_data_exec=no |
| 901 |
|
|
) |
| 902 |
|
|
]) |
| 903 |
|
|
fi |
| 904 |
|
|
AC_TRANSLATE_DEFINE(HAVE_STATIC_DATA_EXEC, "$ac_cv_have_static_data_exec", |
| 905 |
|
|
[Define if your system marks static data pages as executable.]) |
| 906 |
|
|
|
| 907 |
|
|
if [[ "x$WANT_JIT" = "xyes" ]]; then |
| 908 |
|
|
CPPFLAGS="$CPPFLAGS -DUSE_JIT" |
| 909 |
|
|
fi |
| 910 |
|
|
|
| 911 |
|
|
dnl Generate Makefile. |
| 912 |
|
|
AC_SUBST(DYNGENSRCS) |
| 913 |
|
|
AC_SUBST(DYNGEN_CC) |
| 914 |
|
|
AC_SUBST(DYNGEN_OP_FLAGS) |
| 915 |
|
|
AC_SUBST(SYSSRCS) |
| 916 |
|
|
AC_SUBST(CPUSRCS) |
| 917 |
|
|
AC_SUBST(BLESS) |
| 918 |
|
|
AC_SUBST(KEYCODES) |
| 919 |
|
|
AC_OUTPUT(Makefile) |
| 920 |
|
|
|
| 921 |
|
|
dnl Print summary. |
| 922 |
|
|
echo |
| 923 |
|
|
echo SheepShaver configuration summary: |
| 924 |
|
|
echo |
| 925 |
|
|
echo SDL support ...................... : $SDL_SUPPORT |
| 926 |
|
|
echo XFree86 DGA support .............. : $WANT_XF86_DGA |
| 927 |
|
|
echo XFree86 VidMode support .......... : $WANT_XF86_VIDMODE |
| 928 |
|
|
echo Using PowerPC emulator ........... : $EMULATED_PPC |
| 929 |
|
|
echo Enable JIT compiler .............. : $WANT_JIT |
| 930 |
|
|
echo Enable video on SEGV signals ..... : $WANT_VOSF |
| 931 |
|
|
echo ESD sound support ................ : $WANT_ESD |
| 932 |
|
|
echo GTK user interface ............... : $WANT_GTK |
| 933 |
|
|
echo mon debugger support ............. : $WANT_MON |
| 934 |
|
|
echo Bad memory access recovery type .. : $sigsegv_recovery |
| 935 |
|
|
echo |
| 936 |
|
|
echo "Configuration done. Now type \"make\"." |
