[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 1.4 by gbeauche, 2003-05-13T16:59:57Z

+dnl If POSIX.4 semaphores are not available, we emulate them with pthread mutexes.
+SEMSRC=
+AC_CHECK_FUNCS(sem_init, , [
-<
+  if [[ "x$HAVE_PTHREADS" = "xyes" ]]; then
->
+  if test "x$HAVE_PTHREADS" = "xyes"; then
+    SEMSRC=posix_sem.cpp
+  fi
+])
+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(unistd.h fcntl.h sys/time.h sys/mman.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 Checks for library functions.
+AC_CHECK_FUNCS(strdup cfmakeraw)
+AC_CHECK_FUNCS(nanosleep clock_gettime timer_create)
-+
+AC_CHECK_FUNCS(sigaction signal)
-+
+AC_CHECK_FUNCS(mmap mprotect munmap)
-+
+AC_CHECK_FUNCS(vm_allocate vm_deallocate vm_protect)
+dnl Select system-dependant sources.
+if [[ "x$HAVE_PPC" = "xyes" ]]; then
+fi
+SYSSRCS="$SYSSRCS $SEMSRCS $UISRCS $MONSRCS"
-+
+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, $have_mmap_vm,
-+
+  [Define if your system has a working mmap()-based memory allocator.])
-+
-+
+fi dnl HAVE_MMAP_VM
-+
-+
+dnl Check if we can mmap 0x2000 bytes from 0x0000
-+
+AC_CACHE_CHECK([whether we can map Low Memory area 0x0000-0x2000],
-+
+  ac_cv_can_map_lm, [
-+
+  AC_LANG_SAVE
-+
+  AC_LANG_CPLUSPLUS
-+
+  AC_TRY_RUN([
-+
+    #include "vm_alloc.cpp"
-+
+    int main(void) { /* returns 0 if we could map the lowmem globals */
-+
+      volatile char * lm = 0;
-+
+      if (vm_init() < 0) exit(1);
-+
+      if (vm_acquire_fixed(0, 0x2000) < 0) exit(1);
-+
+      lm[0] = 'z';
-+
+      if (vm_release((char *)lm, 0x2000) < 0) exit(1);
-+
+      vm_exit(); exit(0);
-+
+    }
-+
+  ], ac_cv_can_map_lm=yes, ac_cv_can_map_lm=no,
-+
+  dnl When cross-compiling, do not assume anything.
-+
+  ac_cv_can_map_lm="guessing no"
-+
+  )
-+
+  AC_LANG_RESTORE
-+
+  ]
-+
+)
-+
-+
+dnl Check signal handlers need to be reinstalled
-+
+AC_CACHE_CHECK([whether signal handlers need to be reinstalled],
-+
+  ac_cv_signal_need_reinstall, [
-+
+  AC_LANG_SAVE
-+
+  AC_LANG_CPLUSPLUS
-+
+  AC_TRY_RUN([
-+
+    #include <stdlib.h>
-+
+    #ifdef HAVE_UNISTD_H
-+
+    #include <unistd.h>
-+
+    #endif
-+
+    #include <signal.h>
-+
+    static int handled_signal = 0;
-+
+    RETSIGTYPE sigusr1_handler(int) { handled_signal++; }
-+
+    int main(void) { /* returns 0 if signals need not to be reinstalled */
-+
+      signal(SIGUSR1, sigusr1_handler); raise(SIGUSR1); raise(SIGUSR1);
-+
+      exit(handled_signal == 2);
-+
+    }
-+
+  ], ac_cv_signal_need_reinstall=yes, ac_cv_signal_need_reinstall=no,
-+
+  dnl When cross-compiling, do not assume anything.
-+
+  ac_cv_signal_need_reinstall="guessing yes"
-+
+  )
-+
+  AC_LANG_RESTORE
-+
+  ]
-+
+)
-+
+AC_TRANSLATE_DEFINE(SIGNAL_NEED_REINSTALL, "$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, "$ac_cv_sigaction_need_reinstall",
-+
+  [Define if your system requires sigactions to be reinstalled.])
-+
-+
+dnl Check if extended signals are supported.
-+
+AC_CACHE_CHECK([whether your system supports extended signal handlers],
-+
+  ac_cv_have_extended_signals, [
-+
+  AC_LANG_SAVE
-+
+  AC_LANG_CPLUSPLUS
-+
+  AC_TRY_RUN([
-+
+    #define HAVE_SIGINFO_T 1
-+
+    #define CONFIGURE_TEST_SIGSEGV_RECOVERY
-+
+    #include "vm_alloc.cpp"
-+
+    #include "sigsegv.cpp"
-+
+  ], ac_cv_have_extended_signals=yes, ac_cv_have_extended_signals=no,
-+
+  dnl When cross-compiling, do not assume anything.
-+
+  ac_cv_have_extended_signals=no
-+
+  )
-+
+  AC_LANG_RESTORE
-+
+  ]
-+
+)
-+
+AC_TRANSLATE_DEFINE(HAVE_SIGINFO_T, "$ac_cv_have_extended_signals",
-+
+  [Define if your system support extended signals.])
-+
-+
+dnl Otherwise, check for subterfuges.
-+
+if [[ "x$ac_cv_have_extended_signals" = "xno" ]]; then
-+
+  AC_CACHE_CHECK([whether we then have a subterfuge for your system],
-+
+  ac_cv_have_sigcontext_hack, [
-+
+    AC_LANG_SAVE
-+
+    AC_LANG_CPLUSPLUS
-+
+    AC_TRY_RUN([
-+
+      #define HAVE_SIGCONTEXT_SUBTERFUGE 1
-+
+      #define CONFIGURE_TEST_SIGSEGV_RECOVERY
-+
+      #include "vm_alloc.cpp"
-+
+      #include "sigsegv.cpp"
-+
+    ], ac_cv_have_sigcontext_hack=yes, ac_cv_have_sigcontext_hack=no,
-+
+    dnl When cross-compiling, do not assume anything.
-+
+    ac_cv_have_sigcontext_hack=no
-+
+    )
-+
+    AC_LANG_RESTORE
-+
+  ])
-+
+  AC_TRANSLATE_DEFINE(HAVE_SIGCONTEXT_SUBTERFUGE, "$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 Generate Makefile.
+AC_SUBST(SYSSRCS)
+AC_OUTPUT(Makefile)

Diff Legend

-–
+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 1.4 by gbeauche, 2003-05-13T16:59:57Z

Diff Legend

Comparing SheepShaver/src/Unix/configure.in (file contents):
Revision 1.3 by gbeauche, 2003-01-04T12:23:39Z vs.
Revision 1.4 by gbeauche, 2003-05-13T16:59:57Z