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Comparing BasiliskII/src/Unix/configure.ac (file contents):
Revision 1.33 by gbeauche, 2004-11-02T20:40:54Z vs.
Revision 1.34 by gbeauche, 2004-11-08T21:07:07Z

# Line 126 | Line 126 | fi
126   dnl Checks for libraries.
127   AC_CHECK_LIB(posix4, sem_init)
128   AC_CHECK_LIB(rt, timer_create)
129 + AC_CHECK_LIB(rt, shm_open)
130  
131   dnl Do we need SDL?
132   WANT_SDL=no
# Line 702 | Line 703 | AC_CACHE_CHECK([whether we can map Low M
703    ]
704   )
705  
706 + dnl Check if we have POSIX shared memory support
707 + AC_CACHE_CHECK([whether POSIX shared memory is working],
708 +  ac_cv_have_posix_shm, [
709 +  AC_LANG_SAVE
710 +  AC_LANG_CPLUSPLUS
711 +  AC_TRY_RUN([
712 +    #define HAVE_POSIX_SHM
713 +    #include "vm_alloc.cpp"
714 +    int main(void) { /* returns 0 if we have working POSIX shm */
715 +      if (vm_init() < 0) exit(2);
716 +      char *m1 = (char *)vm_acquire(32768, VM_MAP_DEFAULT | VM_MAP_33BIT);
717 +      if (m1 == VM_MAP_FAILED) exit(3);
718 +      vm_exit(); exit(0);
719 +    }
720 +  ], ac_cv_have_posix_shm=yes, ac_cv_have_posix_shm=no,
721 +  dnl When cross-compiling, do not assume anything.
722 +  ac_cv_have_posix_shm="guessing no"
723 +  )
724 +  AC_LANG_RESTORE
725 +  ]
726 + )
727 + AC_TRANSLATE_DEFINE(HAVE_POSIX_SHM, "$ac_cv_have_posix_shm",
728 +  [Define if your system supports POSIX shared memory.])
729 +
730 + dnl Check if we have working 33-bit memory addressing
731 + AC_CACHE_CHECK([whether 33-bit memory addressing is working],
732 +  ac_cv_have_33bit_addressing, [
733 +  AC_LANG_SAVE
734 +  AC_LANG_CPLUSPLUS
735 +  AC_TRY_RUN([
736 +    #define USE_33BIT_ADDRESSING 1
737 +    #include "vm_alloc.cpp"
738 +    int main(void) { /* returns 0 if we have working 33-bit addressing */
739 +      if (sizeof(void *) < 8) exit(1);
740 +      if (vm_init() < 0) exit(2);
741 +      char *m1 = (char *)vm_acquire(32768, VM_MAP_DEFAULT | VM_MAP_33BIT);
742 +      if (m1 == VM_MAP_FAILED) exit(3);
743 +      char *m2 = m1 + (1L << 32);
744 +      m1[0] = 0x12; if (m2[0] != 0x12) exit(4);
745 +      m2[0] = 0x34; if (m1[0] != 0x34) exit(5);
746 +      vm_exit(); exit(0);
747 +    }
748 +  ], ac_cv_have_33bit_addressing=yes, ac_cv_have_33bit_addressing=no,
749 +  dnl When cross-compiling, do not assume anything.
750 +  ac_cv_have_33bit_addressing="guessing no"
751 +  )
752 +  AC_LANG_RESTORE
753 +  ]
754 + )
755 +
756   dnl Check signal handlers need to be reinstalled
757   AC_CACHE_CHECK([whether signal handlers need to be reinstalled],
758    ac_cv_signal_need_reinstall, [
# Line 1028 | Line 1079 | elif [[ "x$HAVE_GCC30" = "xyes" -a "x$HA
1079      DEFINES="$DEFINES -DX86_64_ASSEMBLY -DOPTIMIZED_FLAGS"
1080      JITSRCS="cpuemu1_nf.cpp cpuemu2_nf.cpp cpuemu3_nf.cpp cpuemu4_nf.cpp cpuemu5_nf.cpp cpuemu6_nf.cpp cpuemu7_nf.cpp cpuemu8_nf.cpp $JITSRCS"
1081      CAN_JIT=yes
1082 +    WANT_33BIT_ADDRESSING=yes
1083    fi
1084   elif [[ "x$HAVE_GCC27" = "xyes" -a "x$HAVE_SPARC" = "xyes" -a "x$HAVE_GAS" = "xyes" ]]; then
1085    dnl SPARC CPU
# Line 1084 | Line 1136 | else
1136    JITSRCS=""
1137   fi
1138  
1139 + dnl Use 33-bit memory addressing?
1140 + if [[ "$ac_cv_have_33bit_addressing:$WANT_33BIT_ADDRESSING" = "yes:yes" ]]; then
1141 +  use_33bit_addressing=yes
1142 + fi
1143 + AC_TRANSLATE_DEFINE(USE_33BIT_ADDRESSING, "$use_33bit_addressing",
1144 +  [Define to use 33-bit memory addressing on 64-bit JIT capable systems.])
1145 +
1146   dnl Utility macro used by next two tests.
1147   dnl AC_EXAMINE_OBJECT(C source code,
1148   dnl     commands examining object file,

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