[ViewVC] Diff of: cebix/SheepShaver/src/Unix/configure.in

Comparing SheepShaver/src/Unix/configure.in (file contents):
Revision 1.3 by gbeauche, 2003-01-04T12:23:39Z vs.
Revision 1.17 by gbeauche, 2004-01-18T22:12:24Z

+AC_PREREQ(2.12)
+AC_CONFIG_HEADER(config.h)
-+
+dnl Canonical system information.
-+
+AC_CANONICAL_HOST
-+
+AC_CANONICAL_TARGET
-+
+dnl Options.
-+
+AC_ARG_ENABLE(jit,          [  --enable-jit            enable JIT compiler [default=yes]], [WANT_JIT=$enableval], [WANT_JIT=yes])
-+
+AC_ARG_ENABLE(ppc-emulator, [  --enable-ppc-emulator   use the selected PowerPC emulator [default=auto]], [WANT_EMULATED_PPC=$enableval], [WANT_EMULATED_PPC=auto])
+AC_ARG_ENABLE(xf86-dga,     [  --enable-xf86-dga       use the XFree86 DGA extension [default=yes]], [WANT_XF86_DGA=$enableval], [WANT_XF86_DGA=yes])
+AC_ARG_ENABLE(xf86-vidmode, [  --enable-xf86-vidmode   use the XFree86 VidMode extension [default=yes]], [WANT_XF86_VIDMODE=$enableval], [WANT_XF86_VIDMODE=yes])
-+
+AC_ARG_ENABLE(vosf,         [  --enable-vosf           enable video on SEGV signals [default=yes]], [WANT_VOSF=$enableval], [WANT_VOSF=yes])
+AC_ARG_WITH(esd,            [  --with-esd              support ESD for sound under Linux/FreeBSD [default=yes]], [WANT_ESD=$withval], [WANT_ESD=yes])
+AC_ARG_WITH(gtk,            [  --with-gtk              use GTK user interface [default=yes]], [WANT_GTK=$withval], [WANT_GTK=yes])
+AC_ARG_WITH(mon,            [  --with-mon              use mon as debugger [default=yes]], [WANT_MON=$withval], [WANT_MON=yes])
+#ifdef __powerpc__
+  yes
+#endif
-+
+#ifdef __ppc__
-+
+  yes
-+
+#endif
+], [AC_MSG_RESULT(yes); HAVE_PPC=yes], AC_MSG_RESULT(no))
-+
+dnl We use native CPU if possible.
-+
+EMULATED_PPC=yes
-+
+case $WANT_EMULATED_PPC in
-+
+  auto) [[ "x$HAVE_PPC" = "xyes" ]] && EMULATED_PPC=no;;
-+
+  no)   EMULATED_PPC=no;;
-+
+esac
-+
+if [[ "x$EMULATED_PPC" = "xyes" ]]; then
-+
+  AC_DEFINE(EMULATED_PPC)
-+
+fi
-+
+dnl We use mon if possible.
+MONSRCS=
-+
+case "x$WANT_MON" in
-+
+x/* | x.*)
-+
+  mon_srcdir=$WANT_MON
-+
+  WANT_MON=yes
-+
+  ;;
-+
+xyes)
-+
+  mon_srcdir=../../../mon/src
-+
+  ;;
-+
+esac
+if [[ "x$WANT_MON" = "xyes" ]]; then
+  AC_MSG_CHECKING(for mon)
-–
+  mon_srcdir=../../../mon/src
+  if grep mon_init $mon_srcdir/mon.h >/dev/null 2>/dev/null; then
+    AC_MSG_RESULT(yes)
+    AC_DEFINE(ENABLE_MON)
+dnl We need pthreads on non-PowerPC systems. Try libpthread first, then libc_r (FreeBSD), then PTL.
+HAVE_PTHREADS=yes
-<
+if [[ "x$HAVE_PPC" = "xno" ]]; then
->
+case $EMULATED_PPC:$target_os in
->
+no:linux*)
->
+  dnl We do have our own pthread_cancel() implementation
->
+  AC_DEFINE(HAVE_PTHREAD_CANCEL, 1, [Define if you have the pthread_cancel function.])
->
+  ;;
->
+*:*)
+  AC_CHECK_LIB(pthread, pthread_create, , [
+    AC_CHECK_LIB(c_r, pthread_create, , [
+      AC_CHECK_LIB(PTL, pthread_create, , [
+    ])
+  ])
+  AC_CHECK_FUNCS(pthread_cancel)
-<
+fi
-<
-<
+dnl If POSIX.4 semaphores are not available, we emulate them with pthread mutexes.
-<
+SEMSRC=
-<
+AC_CHECK_FUNCS(sem_init, , [
->
+  AC_CHECK_FUNCS(pthread_mutexattr_setprotocol)
->
+  AC_CHECK_FUNCS(pthread_mutexattr_settype)
->
+  AC_CHECK_FUNCS(pthread_mutexattr_setpshared)
+  if [[ "x$HAVE_PTHREADS" = "xyes" ]]; then
-+
+    AC_DEFINE(HAVE_PTHREADS, 1, [Define if pthreads are available.])
-+
+  fi
-+
+  dnl If POSIX.4 semaphores are not available, we emulate them with pthread mutexes.
-+
+  SEMSRC=
-+
+  AC_CHECK_FUNCS(sem_init, , [
-+
+  if test "x$HAVE_PTHREADS" = "xyes"; then
+    SEMSRC=posix_sem.cpp
+  fi
-<
+])
->
+  ])
->
+  ;;
->
+esac
+dnl We use XFree86 DGA if possible.
+if [[ "x$WANT_XF86_DGA" = "xyes" ]]; then
+fi
+dnl We use GTK+ if possible.
-<
+UISRCS=
->
+UISRCS=../dummy/prefs_editor_dummy.cpp
+if [[ "x$WANT_GTK" = "xyes" ]]; then
+  AM_PATH_GTK(1.2.0, [
+    AC_DEFINE(ENABLE_GTK)
+dnl Checks for header files.
+AC_HEADER_STDC
+AC_HEADER_SYS_WAIT
-<
+AC_CHECK_HEADERS(unistd.h fcntl.h sys/time.h)
->
+AC_CHECK_HEADERS(mach/vm_map.h mach/mach_init.h sys/mman.h)
->
+AC_CHECK_HEADERS(sys/time.h sys/times.h)
->
+AC_CHECK_HEADERS(unistd.h fcntl.h byteswap.h)
+dnl Checks for typedefs, structures, and compiler characteristics.
+AC_C_BIGENDIAN
+AC_CHECK_SIZEOF(int, 4)
+AC_CHECK_SIZEOF(long, 4)
+AC_CHECK_SIZEOF(long long, 8)
-+
+AC_CHECK_SIZEOF(float, 4)
-+
+AC_CHECK_SIZEOF(double, 8)
+AC_CHECK_SIZEOF(void *, 4)
+AC_TYPE_OFF_T
+AC_CHECK_TYPE(loff_t, off_t)
+AC_TYPE_SIZE_T
-+
+AC_TYPE_SIGNAL
+AC_HEADER_TIME
+AC_STRUCT_TM
-+
+dnl Check whether struct sigaction has sa_restorer member.
-+
+AC_CACHE_CHECK([whether struct sigaction has sa_restorer],
-+
+  ac_cv_signal_sa_restorer, [
-+
+  AC_TRY_COMPILE([
-+
+    #include <signal.h>
-+
+  ], [struct sigaction sa; sa.sa_restorer = 0;],
-+
+  ac_cv_signal_sa_restorer=yes, ac_cv_signal_sa_restorer=no,
-+
+  dnl When cross-compiling, do not assume anything.
-+
+  ac_cv_signal_sa_restorer=no
-+
+  )
-+
+])
-+
+if [[ "x$ac_cv_signal_sa_restorer" = "xyes" ]]; then
-+
+  AC_DEFINE(HAVE_SIGNAL_SA_RESTORER)
-+
+fi
-+
+dnl Checks for library functions.
+AC_CHECK_FUNCS(strdup cfmakeraw)
-<
+AC_CHECK_FUNCS(nanosleep clock_gettime timer_create)
->
+AC_CHECK_FUNCS(nanosleep)
->
+AC_CHECK_FUNCS(sigaction signal)
->
+AC_CHECK_FUNCS(mmap mprotect munmap)
->
+AC_CHECK_FUNCS(vm_allocate vm_deallocate vm_protect)
->
->
+dnl Darwin seems to define mach_task_self() instead of task_self().
->
+AC_CHECK_FUNCS(mach_task_self task_self)
->
->
+dnl We need clock_gettime() for better performance but it may drag
->
+dnl libpthread in, which we don't want for native ppc mode
->
+case $EMULATED_PPC:$target_os in
->
+no:linux*)
->
+  ;;
->
+*:*)
->
+  AC_SEARCH_LIBS(clock_gettime, [rt posix4])
->
+  AC_CHECK_FUNCS(clock_gettime)
->
+  ;;
->
+esac
+dnl Select system-dependant sources.
-<
+if [[ "x$HAVE_PPC" = "xyes" ]]; then
-<
+  SYSSRCS="Linux/paranoia.cpp Linux/sheepthreads.c Linux/asm_linux.S"
->
+SERIALSRC=serial_unix.cpp
->
+ETHERSRC=../dummy/ether_dummy.cpp
->
+SCSISRC=../dummy/scsi_dummy.cpp
->
+AUDIOSRC=../dummy/audio_dummy.cpp
->
+EXTRASYSSRCS=
->
+case "$target_os" in
->
+linux*)
->
+  ETHERSRC=Linux/ether_linux.cpp
->
+  AUDIOSRC=audio_oss_esd.cpp
->
+  SCSISRC=Linux/scsi_linux.cpp
->
+  if [[ "x$EMULATED_PPC" = "xno" ]]; then
->
+    EXTRASYSSRCS="Linux/paranoia.cpp Linux/sheepthreads.c Linux/asm_linux.S"
->
+  fi
->
+  ;;
->
+darwin*)
->
+  if [[ "x$EMULATED_PPC" = "xno" ]]; then
->
+    EXTRASYSSRCS="Darwin/paranoia.cpp Linux/asm_linux.S"
->
+  fi
->
+  ;;
->
+esac
->
+SYSSRCS="$SERIALSRC $ETHERSRC $SCSISRC $AUDIOSRC $SEMSRC $UISRCS $MONSRCS $EXTRASYSSRCS"
->
->
+dnl Define a macro that translates a yesno-variable into a C macro definition
->
+dnl to be put into the config.h file
->
+dnl $1 -- the macro to define
->
+dnl $2 -- the value to translate
->
+dnl $3 -- template name
->
+AC_DEFUN(AC_TRANSLATE_DEFINE, [
->
+    if [[ "x$2" = "xyes" -o "x$2" = "xguessing yes" ]]; then
->
+        AC_DEFINE($1, 1, $3)
->
+    fi
->
+])
->
->
+dnl Various checks if the system supports vm_allocate() and the like functions.
->
+have_mach_vm=no
->
+if [[ "x$ac_cv_func_vm_allocate" = "xyes" -a "x$ac_cv_func_vm_deallocate" = "xyes" -a \
->
+      "x$ac_cv_func_vm_protect" = "xyes" ]]; then
->
+  have_mach_vm=yes
->
+fi
->
+AC_TRANSLATE_DEFINE(HAVE_MACH_VM, "$have_mach_vm",
->
+  [Define if your system has a working vm_allocate()-based memory allocator.])
->
->
+dnl Check that vm_allocate(), vm_protect() work
->
+if [[ "x$have_mach_vm" = "xyes" ]]; then
->
->
+AC_CACHE_CHECK([whether vm_protect works],
->
+  ac_cv_vm_protect_works, [
->
+  AC_LANG_SAVE
->
+  AC_LANG_CPLUSPLUS
->
+  ac_cv_vm_protect_works=yes
->
+  dnl First the tests that should segfault
->
+  for test_def in NONE_READ NONE_WRITE READ_WRITE; do
->
+    AC_TRY_RUN([
->
+      #define CONFIGURE_TEST_VM_MAP
->
+      #define TEST_VM_PROT_$test_def
->
+      #include "vm_alloc.cpp"
->
+    ], ac_cv_vm_protect_works=no, rm -f core,
->
+    dnl When cross-compiling, do not assume anything
->
+    ac_cv_vm_protect_works="guessing no"
->
+    )
->
+  done
->
+  AC_TRY_RUN([
->
+    #define CONFIGURE_TEST_VM_MAP
->
+    #define TEST_VM_PROT_RDWR_WRITE
->
+    #include "vm_alloc.cpp"
->
+  ], , ac_cv_vm_protect_works=no,
->
+  dnl When cross-compiling, do not assume anything
->
+  ac_cv_vm_protect_works="guessing no"
->
+  )
->
+  AC_LANG_RESTORE
->
+  ]
->
+)
->
->
+dnl Remove support for vm_allocate() if vm_protect() does not work
->
+if [[ "x$have_mach_vm" = "xyes" ]]; then
->
+  case $ac_cv_vm_protect_works in
->
+    *yes) have_mach_vm=yes;;
->
+    *no) have_mach_vm=no;;
->
+  esac
->
+fi
->
+AC_TRANSLATE_DEFINE(HAVE_MACH_VM, "$have_mach_vm",
->
+  [Define if your system has a working vm_allocate()-based memory allocator.])
->
->
+fi dnl HAVE_MACH_VM
->
->
+dnl Various checks if the system supports mmap() and the like functions.
->
+dnl ... and Mach memory allocators are not supported
->
+have_mmap_vm=no
->
+if [[ "x$ac_cv_func_mmap" = "xyes" -a "x$ac_cv_func_munmap" = "xyes" -a \
->
+      "x$ac_cv_func_mprotect" = "xyes" ]]; then
->
+  if [[ "x$have_mach_vm" = "xno" ]]; then
->
+    have_mmap_vm=yes
->
+  fi
->
+fi
->
+AC_TRANSLATE_DEFINE(HAVE_MMAP_VM, "$have_mmap_vm",
->
+  [Define if your system has a working mmap()-based memory allocator.])
->
->
+dnl Check that mmap() and associated functions work.
->
+if [[ "x$have_mmap_vm" = "xyes" ]]; then
->
->
+dnl Check if we have a working anonymous mmap()
->
+AC_CACHE_CHECK([whether mmap supports MAP_ANON],
->
+  ac_cv_mmap_anon, [
->
+  AC_LANG_SAVE
->
+  AC_LANG_CPLUSPLUS
->
+  AC_TRY_RUN([
->
+    #define HAVE_MMAP_ANON
->
+    #define CONFIGURE_TEST_VM_MAP
->
+    #define TEST_VM_MMAP_ANON
->
+    #include "vm_alloc.cpp"
->
+  ], ac_cv_mmap_anon=yes, ac_cv_mmap_anon=no,
->
+  dnl When cross-compiling, do not assume anything.
->
+  ac_cv_mmap_anon="guessing no"
->
+  )
->
+  AC_LANG_RESTORE
->
+  ]
->
+)
->
+AC_TRANSLATE_DEFINE(HAVE_MMAP_ANON, "$ac_cv_mmap_anon",
->
+  [Define if <sys/mman.h> defines MAP_ANON and mmap()'ing with MAP_ANON works.])
->
->
+AC_CACHE_CHECK([whether mmap supports MAP_ANONYMOUS],
->
+  ac_cv_mmap_anonymous, [
->
+  AC_LANG_SAVE
->
+  AC_LANG_CPLUSPLUS
->
+  AC_TRY_RUN([
->
+    #define HAVE_MMAP_ANONYMOUS
->
+    #define CONFIGURE_TEST_VM_MAP
->
+    #define TEST_VM_MMAP_ANON
->
+    #include "vm_alloc.cpp"
->
+  ], ac_cv_mmap_anonymous=yes, ac_cv_mmap_anonymous=no,
->
+  dnl When cross-compiling, do not assume anything.
->
+  ac_cv_mmap_anonymous="guessing no"
->
+  )
->
+  AC_LANG_RESTORE
->
+  ]
->
+)
->
+AC_TRANSLATE_DEFINE(HAVE_MMAP_ANONYMOUS, "$ac_cv_mmap_anonymous",
->
+  [Define if <sys/mman.h> defines MAP_ANONYMOUS and mmap()'ing with MAP_ANONYMOUS works.])
->
->
+AC_CACHE_CHECK([whether mprotect works],
->
+  ac_cv_mprotect_works, [
->
+  AC_LANG_SAVE
->
+  AC_LANG_CPLUSPLUS
->
+  ac_cv_mprotect_works=yes
->
+  dnl First the tests that should segfault
->
+  for test_def in NONE_READ NONE_WRITE READ_WRITE; do
->
+    AC_TRY_RUN([
->
+      #define CONFIGURE_TEST_VM_MAP
->
+      #define TEST_VM_PROT_$test_def
->
+      #include "vm_alloc.cpp"
->
+    ], ac_cv_mprotect_works=no, rm -f core,
->
+    dnl When cross-compiling, do not assume anything
->
+    ac_cv_mprotect_works="guessing no"
->
+    )
->
+  done
->
+  AC_TRY_RUN([
->
+    #define CONFIGURE_TEST_VM_MAP
->
+    #define TEST_VM_PROT_RDWR_WRITE
->
+    #include "vm_alloc.cpp"
->
+  ], , ac_cv_mprotect_works=no,
->
+  dnl When cross-compiling, do not assume anything
->
+  ac_cv_mprotect_works="guessing no"
->
+  )
->
+  AC_LANG_RESTORE
->
+  ]
->
+)
->
->
+dnl Remove support for mmap() if mprotect() does not work
->
+if [[ "x$have_mmap_vm" = "xyes" ]]; then
->
+  case $ac_cv_mprotect_works in
->
+    *yes) have_mmap_vm=yes;;
->
+    *no) have_mmap_vm=no;;
->
+  esac
->
+fi
->
+AC_TRANSLATE_DEFINE(HAVE_MMAP_VM, $have_mmap_vm,
->
+  [Define if your system has a working mmap()-based memory allocator.])
->
->
+fi dnl HAVE_MMAP_VM
->
->
+dnl Check if we can modify the __PAGEZERO segment for use as Low Memory
->
+AC_CACHE_CHECK([whether __PAGEZERO can be Low Memory area 0x0000-0x3000],
->
+  ac_cv_pagezero_hack, [
->
+  ac_cv_pagezero_hack=no
->
+  if AC_TRY_COMMAND([Darwin/testlmem.sh 0x3000]); then
->
+    ac_cv_pagezero_hack=yes
->
+    dnl might as well skip the test for mmap-able low memory
->
+    ac_cv_can_map_lm=no
->
+  fi
->
+])
->
+AC_TRANSLATE_DEFINE(PAGEZERO_HACK, "$ac_cv_pagezero_hack",
->
+  [Define if the __PAGEZERO Mach-O Low Memory Globals hack works on this system.])
->
->
+dnl Check if we can mmap 0x3000 bytes from 0x0000
->
+AC_CACHE_CHECK([whether we can map Low Memory area 0x0000-0x3000],
->
+  ac_cv_can_map_lm, [
->
+  AC_LANG_SAVE
->
+  AC_LANG_CPLUSPLUS
->
+  AC_TRY_RUN([
->
+    #include "vm_alloc.cpp"
->
+    int main(void) { /* returns 0 if we could map the lowmem globals */
->
+      volatile char * lm = 0;
->
+      if (vm_init() < 0) exit(1);
->
+      if (vm_acquire_fixed(0, 0x2000) < 0) exit(1);
->
+      lm[0] = 'z';
->
+      if (vm_release((char *)lm, 0x2000) < 0) exit(1);
->
+      vm_exit(); exit(0);
->
+    }
->
+  ], ac_cv_can_map_lm=yes, ac_cv_can_map_lm=no,
->
+  dnl When cross-compiling, do not assume anything.
->
+  ac_cv_can_map_lm="guessing no"
->
+  )
->
+  AC_LANG_RESTORE
->
+  ]
->
+)
->
->
+dnl Check signal handlers need to be reinstalled
->
+AC_CACHE_CHECK([whether signal handlers need to be reinstalled],
->
+  ac_cv_signal_need_reinstall, [
->
+  AC_LANG_SAVE
->
+  AC_LANG_CPLUSPLUS
->
+  AC_TRY_RUN([
->
+    #include <stdlib.h>
->
+    #ifdef HAVE_UNISTD_H
->
+    #include <unistd.h>
->
+    #endif
->
+    #include <signal.h>
->
+    static int handled_signal = 0;
->
+    RETSIGTYPE sigusr1_handler(int) { handled_signal++; }
->
+    int main(void) { /* returns 0 if signals need not to be reinstalled */
->
+      signal(SIGUSR1, sigusr1_handler); raise(SIGUSR1); raise(SIGUSR1);
->
+      exit(handled_signal == 2);
->
+    }
->
+  ], ac_cv_signal_need_reinstall=yes, ac_cv_signal_need_reinstall=no,
->
+  dnl When cross-compiling, do not assume anything.
->
+  ac_cv_signal_need_reinstall="guessing yes"
->
+  )
->
+  AC_LANG_RESTORE
->
+  ]
->
+)
->
+AC_TRANSLATE_DEFINE(SIGNAL_NEED_REINSTALL, "$ac_cv_signal_need_reinstall",
->
+  [Define if your system requires signals to be reinstalled.])
->
->
+dnl Check if sigaction handlers need to be reinstalled
->
+AC_CACHE_CHECK([whether sigaction handlers need to be reinstalled],
->
+  ac_cv_sigaction_need_reinstall, [
->
+  AC_LANG_SAVE
->
+  AC_LANG_CPLUSPLUS
->
+  AC_TRY_RUN([
->
+    #include <stdlib.h>
->
+    #ifdef HAVE_UNISTD_H
->
+    #include <unistd.h>
->
+    #endif
->
+    #include <signal.h>
->
+    static int handled_signal = 0;
->
+    RETSIGTYPE sigusr1_handler(int) { handled_signal++; }
->
+    typedef RETSIGTYPE (*signal_handler)(int);
->
+    static signal_handler mysignal(int sig, signal_handler handler) {
->
+      struct sigaction old_sa;
->
+      struct sigaction new_sa;
->
+      new_sa.sa_handler = handler;
->
+      return ((sigaction(sig,&new_sa,&old_sa) < 0) ? SIG_IGN : old_sa.sa_handler);
->
+    }
->
+    int main(void) { /* returns 0 if signals need not to be reinstalled */
->
+      mysignal(SIGUSR1, sigusr1_handler); raise(SIGUSR1); raise(SIGUSR1);
->
+      exit(handled_signal == 2);
->
+    }
->
+  ], ac_cv_sigaction_need_reinstall=yes, ac_cv_sigaction_need_reinstall=no,
->
+  dnl When cross-compiling, do not assume anything.
->
+  ac_cv_sigaction_need_reinstall="guessing yes"
->
+  )
->
+  AC_LANG_RESTORE
->
+  ]
->
+)
->
+AC_TRANSLATE_DEFINE(SIGACTION_NEED_REINSTALL, "$ac_cv_sigaction_need_reinstall",
->
+  [Define if your system requires sigactions to be reinstalled.])
->
->
+dnl Check if Mach exceptions supported.
->
+AC_CACHE_CHECK([whether your system supports Mach exceptions],
->
+  ac_cv_have_mach_exceptions, [
->
+  AC_LANG_SAVE
->
+  AC_LANG_CPLUSPLUS
->
+  AC_TRY_RUN([
->
+    #define HAVE_MACH_EXCEPTIONS 1
->
+    #define CONFIGURE_TEST_SIGSEGV_RECOVERY
->
+    #include "vm_alloc.cpp"
->
+    #include "sigsegv.cpp"
->
+  ], [
->
+  sigsegv_recovery=mach
->
+  ac_cv_have_mach_exceptions=yes
->
+  ],
->
+  ac_cv_have_mach_exceptions=no,
->
+  dnl When cross-compiling, do not assume anything.
->
+  ac_cv_have_mach_exceptions=no
->
+  )
->
+  AC_LANG_RESTORE
->
+  ]
->
+)
->
+AC_TRANSLATE_DEFINE(HAVE_MACH_EXCEPTIONS, "$ac_cv_have_mach_exceptions",
->
+  [Define if your system supports Mach exceptions.])
->
->
+dnl Otherwise, check if extended signals are supported.
->
+if [[ -z "$sigsegv_recovery" ]]; then
->
+  AC_CACHE_CHECK([whether your system supports extended signal handlers],
->
+    ac_cv_have_extended_signals, [
->
+    AC_LANG_SAVE
->
+    AC_LANG_CPLUSPLUS
->
+    AC_TRY_RUN([
->
+      #define HAVE_SIGINFO_T 1
->
+      #define CONFIGURE_TEST_SIGSEGV_RECOVERY
->
+      #include "vm_alloc.cpp"
->
+      #include "sigsegv.cpp"
->
+    ], [
->
+    sigsegv_recovery=siginfo
->
+    ac_cv_have_extended_signals=yes
->
+    ],
->
+    ac_cv_have_extended_signals=no,
->
+    dnl When cross-compiling, do not assume anything.
->
+    ac_cv_have_extended_signals=no
->
+    )
->
+    AC_LANG_RESTORE
->
+    ]
->
+  )
->
+  AC_TRANSLATE_DEFINE(HAVE_SIGINFO_T, "$ac_cv_have_extended_signals",
->
+    [Define if your system support extended signals.])
->
+fi
->
->
+dnl Otherwise, check for subterfuges.
->
+if [[ -z "$sigsegv_recovery" ]]; then
->
+  AC_CACHE_CHECK([whether we then have a subterfuge for your system],
->
+  ac_cv_have_sigcontext_hack, [
->
+    AC_LANG_SAVE
->
+    AC_LANG_CPLUSPLUS
->
+    AC_TRY_RUN([
->
+      #define HAVE_SIGCONTEXT_SUBTERFUGE 1
->
+      #define CONFIGURE_TEST_SIGSEGV_RECOVERY
->
+      #include "vm_alloc.cpp"
->
+      #include "sigsegv.cpp"
->
+    ], [
->
+    sigsegv_recovery=sigcontext
->
+    ac_cv_have_sigcontext_hack=yes
->
+    ],
->
+    ac_cv_have_sigcontext_hack=no,
->
+    dnl When cross-compiling, do not assume anything.
->
+    ac_cv_have_sigcontext_hack=no
->
+    )
->
+    AC_LANG_RESTORE
->
+  ])
->
+  AC_TRANSLATE_DEFINE(HAVE_SIGCONTEXT_SUBTERFUGE, "$ac_cv_have_sigcontext_hack",
->
+    [Define if we know a hack to replace siginfo_t->si_addr member.])
->
+fi
->
->
+dnl Check if we can ignore the fault (instruction skipping in SIGSEGV handler)
->
+AC_CACHE_CHECK([whether we can skip instruction in SIGSEGV handler],
->
+  ac_cv_have_skip_instruction, [
->
+  AC_LANG_SAVE
->
+  AC_LANG_CPLUSPLUS
->
+  AC_TRY_RUN([
->
+    #define HAVE_SIGSEGV_SKIP_INSTRUCTION 1
->
+    #define CONFIGURE_TEST_SIGSEGV_RECOVERY
->
+    #include "vm_alloc.cpp"
->
+    #include "sigsegv.cpp"
->
+  ], ac_cv_have_skip_instruction=yes, ac_cv_have_skip_instruction=no,
->
+  dnl When cross-compiling, do not assume anything.
->
+  ac_cv_have_skip_instruction=no
->
+  )
->
+  AC_LANG_RESTORE
->
+  ]
->
+)
->
+AC_TRANSLATE_DEFINE(HAVE_SIGSEGV_SKIP_INSTRUCTION, "$ac_cv_have_skip_instruction",
->
+  [Define if we can ignore the fault (instruction skipping in SIGSEGV handler).])
->
->
+dnl Can we do Video on SEGV Signals ?
->
+CAN_VOSF=no
->
+if [[ -n "$sigsegv_recovery" ]]; then
->
+  CAN_VOSF=yes
->
+fi
->
->
+dnl Enable VOSF screen updates with this feature is requested and feasible
->
+if [[ "x$WANT_VOSF" = "xyes" -a "x$CAN_VOSF" = "xyes" ]]; then
->
+    AC_DEFINE(ENABLE_VOSF, 1, [Define if using video enabled on SEGV signals.])
+else
-<
+  SYSSRCS="../emul_ppc/emul_ppc.cpp"
->
+    WANT_VOSF=no
->
+fi
->
->
+dnl Platform specific binary postprocessor
->
+BLESS=/bin/true
->
+if [[ "x$ac_cv_pagezero_hack" = "xyes" ]]; then
->
+  BLESS=Darwin/lowmem
->
+  LDFLAGS="$LDFLAGS -pagezero_size 0x3000"
->
+fi
->
->
+dnl Check for GCC 2.7 or higher.
->
+HAVE_GCC27=no
->
+AC_MSG_CHECKING(for GCC 2.7 or higher)
->
+AC_EGREP_CPP(xyes,
->
+[#if __GNUC__ - 1 > 1 || __GNUC_MINOR__ - 1 > 5
->
+  xyes
->
+#endif
->
+], [AC_MSG_RESULT(yes); HAVE_GCC27=yes], AC_MSG_RESULT(no))
->
->
+dnl Check for GCC 3.0 or higher.
->
+HAVE_GCC30=no
->
+AC_MSG_CHECKING(for GCC 3.0 or higher)
->
+AC_EGREP_CPP(xyes,
->
+[#if __GNUC__ >= 3
->
+  xyes
->
+#endif
->
+], [AC_MSG_RESULT(yes); HAVE_GCC30=yes], AC_MSG_RESULT(no))
->
->
+# Test if the compiler can generate ELF objects
->
+AC_CACHE_CHECK([whether the compiler can generate ELF objects],
->
+  ac_cv_elf_objects, [
->
+  echo 'int i;' > conftest.$ac_ext
->
+  ac_cv_elf_objects=no
->
+  if AC_TRY_EVAL(ac_compile); then
->
+    case `/usr/bin/file conftest.$ac_objext` in
->
+    *"ELF"*)
->
+      ac_cv_elf_objects=yes
->
+      ;;
->
+    esac
->
+  fi
->
+  rm -rf conftest*
->
+])
->
+ELF_OBJECTS=$ac_cv_elf_objects
->
->
+dnl CPU emulator sources
->
+if [[ "x$EMULATED_PPC" = "xyes" ]]; then
->
+  CPUSRCS="\
->
+    ../kpx_cpu/src/cpu/ppc/ppc-cpu.cpp \
->
+    ../kpx_cpu/src/cpu/ppc/ppc-decode.cpp \
->
+    ../kpx_cpu/src/cpu/ppc/ppc-execute.cpp \
->
+    ../kpx_cpu/src/cpu/ppc/ppc-translate.cpp"
->
+  CPPFLAGS="$CPPFLAGS -I../kpx_cpu/include -I../kpx_cpu/src"
->
->
+  dnl Enable JIT compiler, if possible
->
+  if [[ "x$WANT_JIT" = "xyes" ]]; then
->
+    AC_CACHE_CHECK([whether dyngen can be used],
->
+      ac_cv_use_dyngen, [
->
+      case $host_cpu:$ELF_OBJECTS in
->
+      powerpc:yes)
->
+        ac_cv_use_dyngen=yes
->
+        ;;
->
+      x86_64:yes)
->
+        ac_cv_use_dyngen=yes
->
+        ;;
->
+      i?86:yes)
->
+        ac_cv_use_dyngen=yes
->
+        ;;
->
+      *:*)
->
+        ac_cv_use_dyngen=no
->
+        ;;
->
+      esac
->
+    ])
->
+    if [[ "x$ac_cv_use_dyngen" = "xyes" ]]; then
->
+      case $host_cpu in
->
+      i?86)
->
+        DYNGEN_OP_FLAGS="-fomit-frame-pointer -mpreferred-stack-boundary=2"
->
+        if [[ "x$HAVE_GCC30" = "xyes" ]]; then
->
+          DYNGEN_OP_FLAGS="$DYNGEN_OP_FLAGS -falign-functions=0"
->
+        else
->
+          DYNGEN_OP_FLAGS="$DYNGEN_OP_FLAGS -malign-functions=0"
->
+        fi
->
+        ;;
->
+      esac
->
+      DYNGEN_OP_FLAGS="$DYNGEN_OP_FLAGS -finline-limit=10000"
->
+      if [[ "x$HAVE_GCC30" = "xyes" ]]; then
->
+        DYNGEN_OP_FLAGS="$DYNGEN_OP_FLAGS -fno-reorder-blocks -fno-optimize-sibling-calls"
->
+      fi
->
+    else
->
+      WANT_JIT=no
->
+    fi
->
+    AC_TRANSLATE_DEFINE(ENABLE_DYNGEN, $ac_cv_use_dyngen, [Define to enable dyngen engine])
->
+    if [[ "x$WANT_JIT" = "xyes" ]]; then
->
+      DYNGENSRCS="\
->
+        ../kpx_cpu/src/cpu/jit/dyngen.c \
->
+        ../kpx_cpu/src/cpu/jit/cxxdemangle.cpp"
->
+      CPUSRCS="\
->
+        ../kpx_cpu/src/cpu/jit/jit-cache.cpp \
->
+        ../kpx_cpu/src/cpu/jit/basic-dyngen.cpp \
->
+        ../kpx_cpu/src/cpu/ppc/ppc-dyngen.cpp $CPUSRCS"
->
+    fi
->
+  fi
->
+  CPUSRCS="$CPUSRCS ../kpx_cpu/sheepshaver_glue.cpp"
->
+else
->
+  WANT_JIT=no
->
+fi
->
+if [[ "x$ac_cv_use_dyngen" = "xyes" ]]; then
->
+  AC_CACHE_CHECK([whether static data regions are executable],
->
+    ac_cv_have_static_data_exec, [
->
+    AC_TRY_RUN([int main(void) {
->
+#if defined(__powerpc__)
->
+      static unsigned int p[8] = {0x4e800020,};
->
+      asm volatile("dcbst 0,%0" : : "r" (p) : "memory");
->
+      asm volatile("sync" : : : "memory");
->
+      asm volatile("icbi 0,%0" : : "r" (p) : "memory");
->
+      asm volatile("sync" : : : "memory");
->
+      asm volatile("isync" : : : "memory");
->
+      ((void (*)(void))p)();
->
+      return 0;
->
+#endif
->
+      return 1;
->
+    }], ac_cv_have_static_data_exec=yes, ac_cv_have_static_data_exec=no,
->
+    dnl When cross-compiling, do not assume anything.
->
+    ac_cv_have_static_data_exec=no
->
+    )
->
+  ])
->
+fi
->
+AC_TRANSLATE_DEFINE(HAVE_STATIC_DATA_EXEC, "$ac_cv_have_static_data_exec",
->
+  [Define if your system marks static data pages as executable.])
->
->
+if [[ "x$WANT_JIT" = "xyes" ]]; then
->
+  CPPFLAGS="$CPPFLAGS -DUSE_JIT"
+fi
-–
+SYSSRCS="$SYSSRCS $SEMSRCS $UISRCS $MONSRCS"
+dnl Generate Makefile.
-+
+AC_SUBST(DYNGENSRCS)
-+
+AC_SUBST(DYNGEN_OP_FLAGS)
+AC_SUBST(SYSSRCS)
-+
+AC_SUBST(CPUSRCS)
-+
+AC_SUBST(BLESS)
+AC_OUTPUT(Makefile)
+dnl Print summary.
+echo
+echo XFree86 DGA support .............. : $WANT_XF86_DGA
+echo XFree86 VidMode support .......... : $WANT_XF86_VIDMODE
-+
+echo Using PowerPC emulator ........... : $EMULATED_PPC
-+
+echo Enable JIT compiler .............. : $WANT_JIT
-+
+echo Enable video on SEGV signals ..... : $WANT_VOSF
+echo ESD sound support ................ : $WANT_ESD
+echo GTK user interface ............... : $WANT_GTK
+echo mon debugger support ............. : $WANT_MON
-+
+echo Bad memory access recovery type .. : $sigsegv_recovery
+echo
+echo "Configuration done. Now type \"make\"."

Diff Legend

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+Removed lines
-+
+Added lines
-<
+Changed lines
->
+Changed lines

Comparing SheepShaver/src/Unix/configure.in (file contents): Revision 1.3 by gbeauche, 2003-01-04T12:23:39Z vs. Revision 1.17 by gbeauche, 2004-01-18T22:12:24Z

Diff Legend

Comparing SheepShaver/src/Unix/configure.in (file contents):
Revision 1.3 by gbeauche, 2003-01-04T12:23:39Z vs.
Revision 1.17 by gbeauche, 2004-01-18T22:12:24Z