Handle dummy files. Merge in configure stuff for Mach exception filters.

Check whether struct sigaction defines sa_restorer member. Don't include
posix_sem.cpp on native Linux/ppc builds.
This commit is contained in:
gbeauche 2004-01-18 22:12:24 +00:00
parent 384648a740
commit 07fa8c79b3
3 changed files with 138 additions and 33 deletions

View File

@ -23,6 +23,7 @@ SYSSRCS = @SYSSRCS@
CPUSRCS = @CPUSRCS@
DYNGENSRCS = @DYNGENSRCS@
DYNGEN_OP_FLAGS = @DYNGEN_OP_FLAGS@
BLESS = @BLESS@
INSTALL = @INSTALL@
INSTALL_PROGRAM = @INSTALL_PROGRAM@ -s
INSTALL_DATA = @INSTALL_DATA@
@ -32,9 +33,8 @@ SRCS = main_unix.cpp ../prefs.cpp ../prefs_items.cpp prefs_unix.cpp sys_unix.cpp
../rom_patches.cpp ../rsrc_patches.cpp ../emul_op.cpp ../name_registry.cpp \
../macos_util.cpp ../timer.cpp timer_unix.cpp ../xpram.cpp xpram_unix.cpp \
../adb.cpp clip_unix.cpp ../sony.cpp ../disk.cpp ../cdrom.cpp ../scsi.cpp \
Linux/scsi_linux.cpp ../video.cpp video_blit.cpp video_x.cpp \
../audio.cpp audio_oss_esd.cpp ../ether.cpp ../thunks.cpp \
Linux/ether_linux.cpp ../serial.cpp serial_unix.cpp ../extfs.cpp extfs_unix.cpp \
../video.cpp video_blit.cpp video_x.cpp ../audio.cpp ../ether.cpp ../thunks.cpp \
../serial.cpp ../extfs.cpp extfs_unix.cpp \
about_window_unix.cpp ../user_strings.cpp user_strings_unix.cpp \
vm_alloc.cpp sigsegv.cpp \
sshpty.c strlcpy.c $(SYSSRCS) $(CPUSRCS)
@ -69,6 +69,7 @@ VPATH += $(addprefix :, $(subst ,:, $(filter-out $($(subst, :, ,$(VPATH))), $(S
$(APP): $(OBJ_DIR) $(OBJS)
$(CXX) -o $(APP) $(LDFLAGS) $(OBJS) $(LIBS)
$(BLESS) $(APP)
modules:
cd NetDriver; make

View File

@ -35,6 +35,9 @@
/* Define is using PowerPC emulator. */
#undef EMULATED_PPC
/* Define if struct sigaction defines sa_restorer. */
#undef HAVE_SIGNAL_SA_RESTORER
/* Leave that blank line there!! Autoheader needs it.
If you're adding to this file, keep in mind:

View File

@ -34,6 +34,9 @@ AC_EGREP_CPP(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.
@ -93,7 +96,12 @@ LIBS="$LIBS $X_PRE_LIBS $X_LIBS -lX11 -lXext $X_EXTRA_LIBS"
dnl We need pthreads on non-PowerPC systems. Try libpthread first, then libc_r (FreeBSD), then PTL.
HAVE_PTHREADS=yes
if [[ "x$EMULATED_PPC" = "xyes" ]]; 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, , [
@ -108,18 +116,15 @@ if [[ "x$EMULATED_PPC" = "xyes" ]]; then
if [[ "x$HAVE_PTHREADS" = "xyes" ]]; then
AC_DEFINE(HAVE_PTHREADS, 1, [Define if pthreads are available.])
fi
else
dnl We do have our own pthread_cancel() implementation
AC_DEFINE(HAVE_PTHREAD_CANCEL, 1, [Define if you have the pthread_cancel function.])
fi
dnl If POSIX.4 semaphores are not available, we emulate them with pthread mutexes.
SEMSRC=
AC_CHECK_FUNCS(sem_init, , [
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
@ -144,7 +149,7 @@ if [[ "x$WANT_XF86_VIDMODE" = "xyes" ]]; then
fi
dnl We use GTK+ if possible.
UISRCS=
UISRCS=../dummy/prefs_editor_dummy.cpp
if [[ "x$WANT_GTK" = "xyes" ]]; then
AM_PATH_GTK(1.2.0, [
AC_DEFINE(ENABLE_GTK)
@ -196,24 +201,64 @@ 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$ac_cv_signal_sa_restorer" = "xyes" ]]; then
AC_DEFINE(HAVE_SIGNAL_SA_RESTORER)
fi
dnl Checks for library functions.
AC_CHECK_FUNCS(strdup cfmakeraw)
AC_CHECK_FUNCS(nanosleep)
AC_CHECK_FUNCS(sigaction signal)
AC_CHECK_FUNCS(mmap mprotect munmap)
AC_CHECK_FUNCS(vm_allocate vm_deallocate vm_protect)
dnl Darwin seems to define mach_task_self() instead of task_self().
AC_CHECK_FUNCS(mach_task_self task_self)
dnl We need clock_gettime() for better performance but it may drag
dnl libpthread in, which we don't want for native ppc mode
if [[ "x$EMULATED_PPC" = "xyes" ]]; then
case $EMULATED_PPC:$target_os in
no:linux*)
;;
*:*)
AC_SEARCH_LIBS(clock_gettime, [rt posix4])
AC_CHECK_FUNCS(clock_gettime)
fi
;;
esac
dnl Select system-dependant sources.
if [[ "x$EMULATED_PPC" = "xno" ]]; then
SYSSRCS="Linux/paranoia.cpp Linux/sheepthreads.c Linux/asm_linux.S"
fi
SYSSRCS="$SYSSRCS $SEMSRCS $UISRCS $MONSRCS"
SERIALSRC=serial_unix.cpp
ETHERSRC=../dummy/ether_dummy.cpp
SCSISRC=../dummy/scsi_dummy.cpp
AUDIOSRC=../dummy/audio_dummy.cpp
EXTRASYSSRCS=
case "$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
@ -372,8 +417,21 @@ AC_TRANSLATE_DEFINE(HAVE_MMAP_VM, $have_mmap_vm,
fi dnl HAVE_MMAP_VM
dnl Check if we can mmap 0x2000 bytes from 0x0000
AC_CACHE_CHECK([whether we can map Low Memory area 0x0000-0x2000],
dnl Check if we can modify the __PAGEZERO segment for use as Low Memory
AC_CACHE_CHECK([whether __PAGEZERO can be Low Memory area 0x0000-0x3000],
ac_cv_pagezero_hack, [
ac_cv_pagezero_hack=no
if AC_TRY_COMMAND([Darwin/testlmem.sh 0x3000]); then
ac_cv_pagezero_hack=yes
dnl might as well skip the test for mmap-able low memory
ac_cv_can_map_lm=no
fi
])
AC_TRANSLATE_DEFINE(PAGEZERO_HACK, "$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
@ -456,28 +514,58 @@ AC_CACHE_CHECK([whether sigaction handlers need to be reinstalled],
AC_TRANSLATE_DEFINE(SIGACTION_NEED_REINSTALL, "$ac_cv_sigaction_need_reinstall",
[Define if your system requires sigactions to be reinstalled.])
dnl Check if extended signals are supported.
AC_CACHE_CHECK([whether your system supports extended signal handlers],
ac_cv_have_extended_signals, [
dnl Check if Mach exceptions supported.
AC_CACHE_CHECK([whether your system supports Mach exceptions],
ac_cv_have_mach_exceptions, [
AC_LANG_SAVE
AC_LANG_CPLUSPLUS
AC_TRY_RUN([
#define HAVE_SIGINFO_T 1
#define HAVE_MACH_EXCEPTIONS 1
#define CONFIGURE_TEST_SIGSEGV_RECOVERY
#include "vm_alloc.cpp"
#include "sigsegv.cpp"
], ac_cv_have_extended_signals=yes, ac_cv_have_extended_signals=no,
], [
sigsegv_recovery=mach
ac_cv_have_mach_exceptions=yes
],
ac_cv_have_mach_exceptions=no,
dnl When cross-compiling, do not assume anything.
ac_cv_have_extended_signals=no
ac_cv_have_mach_exceptions=no
)
AC_LANG_RESTORE
]
)
AC_TRANSLATE_DEFINE(HAVE_SIGINFO_T, "$ac_cv_have_extended_signals",
[Define if your system support extended signals.])
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, "$ac_cv_have_extended_signals",
[Define if your system support extended signals.])
fi
dnl Otherwise, check for subterfuges.
if [[ "x$ac_cv_have_extended_signals" = "xno" ]]; then
if [[ -z "$sigsegv_recovery" ]]; then
AC_CACHE_CHECK([whether we then have a subterfuge for your system],
ac_cv_have_sigcontext_hack, [
AC_LANG_SAVE
@ -487,7 +575,11 @@ if [[ "x$ac_cv_have_extended_signals" = "xno" ]]; then
#define CONFIGURE_TEST_SIGSEGV_RECOVERY
#include "vm_alloc.cpp"
#include "sigsegv.cpp"
], ac_cv_have_sigcontext_hack=yes, ac_cv_have_sigcontext_hack=no,
], [
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
)
@ -519,7 +611,7 @@ AC_TRANSLATE_DEFINE(HAVE_SIGSEGV_SKIP_INSTRUCTION, "$ac_cv_have_skip_instruction
dnl Can we do Video on SEGV Signals ?
CAN_VOSF=no
if [[ "$ac_cv_have_extended_signals" = "yes" -o "$ac_cv_have_sigcontext_hack" = "yes" ]]; then
if [[ -n "$sigsegv_recovery" ]]; then
CAN_VOSF=yes
fi
@ -530,6 +622,13 @@ else
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)
@ -658,6 +757,7 @@ AC_SUBST(DYNGENSRCS)
AC_SUBST(DYNGEN_OP_FLAGS)
AC_SUBST(SYSSRCS)
AC_SUBST(CPUSRCS)
AC_SUBST(BLESS)
AC_OUTPUT(Makefile)
dnl Print summary.
@ -672,5 +772,6 @@ 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\"."