Incorporate several changes from latest Unix version of file

This commit is contained in:
nigel 2002-10-06 23:29:59 +00:00
parent ce0bca286f
commit 7914fdc677

View File

@ -6,26 +6,27 @@ AC_INIT(main_macosx.mm)
AC_PREREQ(2.12)
AC_CONFIG_HEADER(config.h)
dnl These defines are necessary to get 64-bit file size support.
AC_DEFINE(_USE_LARGEFILE_SOURCE, 1, [Get more functions for correct standard I/O])
AC_DEFINE(_FILE_OFFSET_BITS, 64, [Get 64-bit file size support])
dnl Options.
AC_ARG_ENABLE(full,
[ --enable-full use full screen mode [default=no]], [WANT_FULL=$enableval], [WANT_FULL=no])
dnl Video options.
AC_ARG_ENABLE(multiwin,
[ --enable-multiwin allow multiple emulator windows [default=no]], [WANT_MWIN=$enableval], [WANT_MWIN=no])
dnl JIT compiler options.
AC_ARG_ENABLE(jit-compiler, [ --enable-jit-compiler enable JIT compiler [default=no]], [WANT_JIT=$enableval], [WANT_JIT=no])
AC_ARG_ENABLE(jit-debug, [ --enable-jit-debug activate native code disassemblers [default=no]], [WANT_JIT_DEBUG=$enableval], [WANT_JIT_DEBUG=no])
dnl FPU emulation core.
AC_ARG_ENABLE(fpe,
[ --enable-fpe=which specify which fpu emulator to use [default=opt]],
[ --enable-fpe=FPE specify which fpu emulator to use [default=auto]],
[ case "$enableval" in
default) FPE_CORE="default";; dnl fpu_x86.cpp if i386 architecture, fpu_uae.cpp otherwise
uae) FPE_CORE="uae";;
*) AC_MSG_ERROR([--enable-fpe takes only one of the following values: default, uae]);;
dnl default is always ieee, if architecture has this fp format
auto) FPE_CORE_TEST_ORDER="ieee uae";;
ieee) FPE_CORE_TEST_ORDER="ieee";;
uae) FPE_CORE_TEST_ORDER="uae";;
x86) FPE_CORE_TEST_ORDER="x86";;
*) AC_MSG_ERROR([--enable-fpe takes only one of the following values: auto, x86, ieee, uae]);;
esac
],
[ FPE_CORE="default"
[ FPE_CORE_TEST_ORDER="ieee uae"
])
dnl Addressing modes.
@ -82,11 +83,11 @@ if [[ "x$WANT_MON" = "xyes" ]]; then
mon_srcdir=../../../mon/src
if grep mon_init $mon_srcdir/mon.h >/dev/null 2>/dev/null; then
AC_MSG_RESULT(yes)
AC_DEFINE(ENABLE_MON)
MONSRCS="$mon_srcdir/mon.cpp $mon_srcdir/mon_6502.cpp $mon_srcdir/mon_z80.cpp $mon_srcdir/mon_cmd.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 $mon_srcdir/disass/m68k-opc.c"
AC_DEFINE(ENABLE_MON, 1, [Define if using "mon".])
MONSRCS="$mon_srcdir/mon.cpp $mon_srcdir/mon_6502.cpp $mon_srcdir/mon_z80.cpp $mon_srcdir/mon_cmd.cpp $mon_srcdir/mon_disass.cpp $mon_srcdir/mon_ppc.cpp $mon_srcdir/mon_lowmem.cpp $mon_srcdir/disass/floatformat.c $mon_srcdir/disass/i386-dis.c $mon_srcdir/disass/m68k-dis.c $mon_srcdir/disass/m68k-opc.c"
CXXFLAGS="$CXXFLAGS -I$mon_srcdir -I$mon_srcdir/disass"
AC_CHECK_LIB(readline, readline)
AC_CHECK_LIB(termcap, tputs)
AC_CHECK_LIB(readline, readline)
AC_CHECK_HEADERS(readline.h history.h readline/readline.h readline/history.h)
else
AC_MSG_RESULT(no)
@ -100,6 +101,7 @@ HAVE_PTHREADS=yes
AC_CHECK_FUNCS(pthread_cancel)
AC_CHECK_FUNCS(pthread_mutexattr_setprotocol)
AC_CHECK_FUNCS(pthread_mutexattr_settype)
AC_CHECK_FUNCS(pthread_mutexattr_setpshared)
dnl If POSIX.4 semaphores are not available, we emulate them with pthread mutexes.
SEMSRC=
@ -109,22 +111,15 @@ AC_CHECK_FUNCS(sem_init, , [
fi
])
dnl We allow full screen mode if possible.
if [[ "x$WANT_FULL" = "xyes" ]]; then
WANT_FULL=yes
DEFINES="$DEFINES -DENABLE_FULL=1"
LIBS="$LIBS $FRMWKS/QuickTime.framework/QuickTime"
else
DEFINES="$DEFINES -DENABLE_FULL=0"
fi
dnl Ditto for multiple window support
dnl We want to enable multiple window support if possible
if [[ "x$WANT_MWIN" = "xyes" ]]; then
WANT_MWIN=yes
DEFINES="$DEFINES -DENABLE_MULTIPLE"
fi
dnl We use 64-bit file size support if possible.
AC_SYS_LARGEFILE
dnl Checks for header files.
AC_HEADER_STDC
AC_CHECK_HEADERS(unistd.h fcntl.h sys/time.h sys/mman.h)
@ -137,17 +132,37 @@ AC_CHECK_SIZEOF(short, 2)
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(long double, 12)
AC_CHECK_SIZEOF(void *, 4)
AC_TYPE_OFF_T
AC_CHECK_TYPE(loff_t, off_t)
AC_CHECK_TYPE(caddr_t, [char *])
dnl TYPE_SOCKLEN_T
AC_CHECK_TYPE(socklen_t)
AC_TYPE_SIZE_T
AC_TYPE_SIGNAL
AC_HEADER_TIME
AC_STRUCT_TM
dnl AC_CHECK_TYPE(socklen_t)
dnl Check whether sys/socket.h defines type socklen_t.
dnl (extracted from ac-archive/Miscellaneous)
AC_CACHE_CHECK([for socklen_t],
ac_cv_type_socklen_t, [
AC_TRY_COMPILE([
#include <sys/types.h>
#include <sys/socket.h>
], [socklen_t len = 42; return 0;],
ac_cv_type_socklen_t=yes, ac_cv_type_socklen_t=no,
dnl When cross-compiling, do not assume anything.
ac_cv_type_socklen_t="guessing no"
)
])
if [[ "x$ac_cv_type_socklen_t" != "xyes" ]]; then
AC_DEFINE(socklen_t, int, [Define to 'int' if <sys/types.h> doesn't define.])
fi
dnl Checks for library functions.
AC_CHECK_FUNCS(strdup cfmakeraw)
AC_CHECK_FUNCS(clock_gettime timer_create)
@ -161,11 +176,11 @@ AC_CHECK_FUNCS(mach_task_self task_self)
dnl Select system-dependant source files.
DEFINES="$DEFINES -DBSD_COMP"
dnl Check for the CAM library
AC_CHECK_LIB(cam, cam_open_btl, HAVE_LIBCAM=yes, HAVE_LIBCAM=no)
AC_CHECK_LIB(cam, cam_open_btl, HAVE_LIBCAM=yes, HAVE_LIBCAM=no)
if [[ "x$HAVE_LIBCAM" = "xno" ]]; then
AC_MSG_WARN([Cannot find libcam for SCSI management, disabling SCSI support.])
else
dnl Check for the sys kernel includes
else
dnl Check for the sys kernel includes
AC_CHECK_HEADER(camlib.h)
if [[ "x$ac_cv_header_camlib_h" = "xno" ]]; then
dnl In this case I should fix this thing including a "patch"
@ -181,15 +196,16 @@ DEFINES="$DEFINES -DBSD_COMP"
dnl Use 68k CPU natively?
WANT_NATIVE_M68K=no
SYSSRCS=$SCSISRC
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)
AC_DEFINE($1, 1, $3)
fi
])
@ -199,12 +215,13 @@ if [[ "x$ac_cv_func_vm_allocate" = "xyes" -a "x$ac_cv_func_vm_deallocate" = "xye
"x$ac_cv_func_vm_protect" = "xyes" ]]; then
have_mach_vm=yes
fi
AC_TRANSLATE_DEFINE(HAVE_MACH_VM, "$have_mach_vm")
AC_TRANSLATE_DEFINE(HAVE_MACH_VM, "$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$have_mach_vm" = "xyes" ]]; then
AC_CACHE_CHECK("whether vm_protect works",
AC_CACHE_CHECK([whether vm_protect works],
ac_cv_vm_protect_works, [
AC_LANG_SAVE
AC_LANG_CPLUSPLUS
@ -239,7 +256,8 @@ if [[ "x$have_mach_vm" = "xyes" ]]; then
*no) have_mach_vm=no;;
esac
fi
AC_TRANSLATE_DEFINE(HAVE_MACH_VM, "$have_mach_vm")
AC_TRANSLATE_DEFINE(HAVE_MACH_VM, "$have_mach_vm",
[Define if your system has a working vm_allocate()-based memory allocator.])
fi dnl HAVE_MACH_VM
@ -252,13 +270,14 @@ if [[ "x$ac_cv_func_mmap" = "xyes" -a "x$ac_cv_func_munmap" = "xyes" -a \
have_mmap_vm=yes
fi
fi
AC_TRANSLATE_DEFINE(HAVE_MMAP_VM, "$have_mmap_vm")
AC_TRANSLATE_DEFINE(HAVE_MMAP_VM, "$have_mmap_vm",
[Define if your system has a working mmap()-based memory allocator.])
dnl Check that mmap() and associated functions work.
if [[ "x$have_mmap_vm" = "xyes" ]]; then
dnl Check if we have a working anonymous mmap()
AC_CACHE_CHECK("whether mmap supports MAP_ANON",
AC_CACHE_CHECK([whether mmap supports MAP_ANON],
ac_cv_mmap_anon, [
AC_LANG_SAVE
AC_LANG_CPLUSPLUS
@ -274,9 +293,10 @@ AC_CACHE_CHECK("whether mmap supports MAP_ANON",
AC_LANG_RESTORE
]
)
AC_TRANSLATE_DEFINE(HAVE_MMAP_ANON, "$ac_cv_mmap_anon")
AC_TRANSLATE_DEFINE(HAVE_MMAP_ANON, "$ac_cv_mmap_anon",
[Define if <sys/mman.h> defines MAP_ANON and mmap()'ing with MAP_ANON works.])
AC_CACHE_CHECK("whether mmap supports MAP_ANONYMOUS",
AC_CACHE_CHECK([whether mmap supports MAP_ANONYMOUS],
ac_cv_mmap_anonymous, [
AC_LANG_SAVE
AC_LANG_CPLUSPLUS
@ -292,9 +312,10 @@ AC_CACHE_CHECK("whether mmap supports MAP_ANONYMOUS",
AC_LANG_RESTORE
]
)
AC_TRANSLATE_DEFINE(HAVE_MMAP_ANONYMOUS, "$ac_cv_mmap_anonymous")
AC_TRANSLATE_DEFINE(HAVE_MMAP_ANONYMOUS, "$ac_cv_mmap_anonymous",
[Define if <sys/mman.h> defines MAP_ANONYMOUS and mmap()'ing with MAP_ANONYMOUS works.])
AC_CACHE_CHECK("whether mprotect works",
AC_CACHE_CHECK([whether mprotect works],
ac_cv_mprotect_works, [
AC_LANG_SAVE
AC_LANG_CPLUSPLUS
@ -329,12 +350,13 @@ if [[ "x$have_mmap_vm" = "xyes" ]]; then
*no) have_mmap_vm=no;;
esac
fi
AC_TRANSLATE_DEFINE(HAVE_MMAP_VM, $have_mmap_vm)
AC_TRANSLATE_DEFINE(HAVE_MMAP_VM, $have_mmap_vm,
[Define if your system has a working mmap()-based memory allocator.])
fi dnl HAVE_MMAP_VM
dnl Check if we can mmap 0x2000 bytes from 0x0000
AC_CACHE_CHECK("whether we can map Low Memory area 0x0000-0x2000",
AC_CACHE_CHECK([whether we can map Low Memory area 0x0000-0x2000],
ac_cv_can_map_lm, [
AC_LANG_SAVE
AC_LANG_CPLUSPLUS
@ -357,7 +379,7 @@ AC_CACHE_CHECK("whether we can map Low Memory area 0x0000-0x2000",
)
dnl Check signal handlers need to be reinstalled
AC_CACHE_CHECK("whether signal handlers need to be reinstalled",
AC_CACHE_CHECK([whether signal handlers need to be reinstalled],
ac_cv_signal_need_reinstall, [
AC_LANG_SAVE
AC_LANG_CPLUSPLUS
@ -380,10 +402,11 @@ AC_CACHE_CHECK("whether signal handlers need to be reinstalled",
AC_LANG_RESTORE
]
)
AC_TRANSLATE_DEFINE(SIGNAL_NEED_REINSTALL, "$ac_cv_signal_need_reinstall")
AC_TRANSLATE_DEFINE(SIGNAL_NEED_REINSTALL, "$ac_cv_signal_need_reinstall",
[Define if your system requires signals to be reinstalled.])
dnl Check if sigaction handlers need to be reinstalled
AC_CACHE_CHECK("whether sigaction handlers need to be reinstalled",
AC_CACHE_CHECK([whether sigaction handlers need to be reinstalled],
ac_cv_sigaction_need_reinstall, [
AC_LANG_SAVE
AC_LANG_CPLUSPLUS
@ -413,10 +436,11 @@ AC_CACHE_CHECK("whether sigaction handlers need to be reinstalled",
AC_LANG_RESTORE
]
)
AC_TRANSLATE_DEFINE(SIGACTION_NEED_REINSTALL, "$ac_cv_sigaction_need_reinstall")
AC_TRANSLATE_DEFINE(SIGACTION_NEED_REINSTALL, "$ac_cv_sigaction_need_reinstall",
[Define if your system requires sigactions to be reinstalled.])
dnl Check if extended signals are supported.
AC_CACHE_CHECK("whether your system supports extended signal handlers",
AC_CACHE_CHECK([whether your system supports extended signal handlers],
ac_cv_have_extended_signals, [
AC_LANG_SAVE
AC_LANG_CPLUSPLUS
@ -432,11 +456,12 @@ AC_CACHE_CHECK("whether your system supports extended signal handlers",
AC_LANG_RESTORE
]
)
AC_TRANSLATE_DEFINE(HAVE_SIGINFO_T, "$ac_cv_have_extended_signals")
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_CACHE_CHECK([whether we then have a subterfuge for your system],
ac_cv_have_sigcontext_hack, [
AC_LANG_SAVE
AC_LANG_CPLUSPLUS
@ -451,9 +476,30 @@ if [[ "x$ac_cv_have_extended_signals" = "xno" ]]; then
)
AC_LANG_RESTORE
])
AC_TRANSLATE_DEFINE(HAVE_SIGCONTEXT_SUBTERFUGE, "$ac_cv_have_sigcontext_hack")
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 [[ "$ac_cv_have_extended_signals" = "yes" -o "$ac_cv_have_sigcontext_hack" = "yes" ]]; then
@ -508,9 +554,14 @@ else
fi
fi
dnl Banked Memory Addressing mode is not supported by the JIT compiler
if [[ "x$WANT_JIT" = "xyes" -a "x$ADDRESSING_MODE" = "xmemory banks" ]]; then
AC_MSG_ERROR([Sorry, the JIT Compiler requires Direct Addressing, at least])
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)
AC_DEFINE(ENABLE_VOSF, 1, [Define if using video enabled on SEGV signals.])
else
WANT_VOSF=no
fi
@ -573,16 +624,22 @@ fi
dnl Select appropriate CPU source and REGPARAM define.
ASM_OPTIMIZATIONS=none
CPUSRCS="cpuemu1.cpp cpuemu2.cpp cpuemu3.cpp cpuemu4.cpp cpuemu5.cpp cpuemu6.cpp cpuemu7.cpp cpuemu8.cpp"
FPUSRCS="../uae_cpu/fpu/fpu_uae.cpp"
dnl (gb) JITSRCS will be emptied later if the JIT is not available
dnl Other platforms should define their own set of noflags file variants
CAN_JIT=no
JITSRCS="compemu1.cpp compemu2.cpp compemu3.cpp compemu4.cpp compemu5.cpp compemu6.cpp compemu7.cpp compemu8.cpp"
if [[ "x$HAVE_GCC27" = "xyes" -a "x$HAVE_I386" = "xyes" -a "x$OS_TYPE" != "xfreebsd" ]]; then
dnl i386 CPU
DEFINES="$DEFINES -DREGPARAM=\"__attribute__((regparm(3)))\""
DEFINES="$DEFINES -DUNALIGNED_PROFITABLE -DREGPARAM=\"__attribute__((regparm(3)))\""
if [[ "x$HAVE_GAS" = "xyes" ]]; then
ASM_OPTIMIZATIONS=i386
DEFINES="$DEFINES -DX86_ASSEMBLY -DUNALIGNED_PROFITABLE -DOPTIMIZED_FLAGS"
DEFINES="$DEFINES -DX86_ASSEMBLY -DOPTIMIZED_FLAGS -DSAHF_SETO_PROFITABLE"
CPUSRCS="cpufast1.s cpufast2.s cpufast3.s cpufast4.s cpufast5.s cpufast6.s cpufast7.s cpufast8.s"
FPUSRCS="../uae_cpu/fpu_x86.cpp"
JITSRCS="cpufast1_nf.s cpufast2_nf.s cpufast3_nf.s cpufast4_nf.s cpufast5_nf.s cpufast6_nf.s cpufast7_nf.s cpufast8_nf.s $JITSRCS"
fi
CAN_JIT=yes
elif [[ "x$HAVE_GCC27" = "xyes" -a "x$HAVE_SPARC" = "xyes" -a "x$HAVE_GAS" = "xyes" ]]; then
dnl SPARC CPU
case "$target_os" in
@ -612,51 +669,225 @@ elif [[ "x$WANT_NATIVE_M68K" = "xyes" ]]; then
CPUSRCS="asm_support.s"
fi
dnl Select appropriate FPU source.
dnl 1. Optimized X86 assembly core if target is i386 architecture
SAVED_DEFINES=$DEFINES
if [[ "x$FPE_CORE" = "xdefault" ]]; then
if [[ "x$HAVE_GCC27" = "xyes" -a "x$HAVE_I386" = "xyes" -a "x$HAVE_GAS" = "xyes" ]]; then
DEFINES="$DEFINES -DFPU_X86"
FPE_CORE_STR="i386 optimized core"
FPUSRCS="../uae_cpu/fpu/fpu_x86.cpp"
FPE_CORE="i386"
else
FPE_CORE="uae"
dnl Enable JIT compiler, if possible.
if [[ "x$WANT_JIT" = "xyes" -a "x$CAN_JIT" ]]; then
JITSRCS="$JITSRCS ../uae_cpu/compiler/compemu_support.cpp ../uae_cpu/compiler/compemu_fpp.cpp compstbl.o cpustbl_nf.o"
DEFINES="$DEFINES -DUSE_JIT -DUSE_JIT_FPU"
if [[ "x$WANT_JIT_DEBUG" = "xyes" ]]; then
if [[ "x$WANT_MON" = "xyes" ]]; then
DEFINES="$DEFINES -DJIT_DEBUG=1"
else
AC_MSG_WARN([cxmon not found, ignoring --enable-jit-debug])
WANT_JIT_DEBUG=no
fi
fi
dnl IEEE core is the only FPU emulator to use with the JIT compiler
case $FPE_CORE_TEST_ORDER in
ieee*) ;;
*) AC_MSG_WARN([Forcing use of the IEEE FPU core, as the JIT compiler supports only this one.]) ;;
esac
FPE_CORE_TEST_ORDER="ieee"
else
WANT_JIT=no
WANT_JIT_DEBUG=no
JITSRCS=""
fi
dnl 2. JIT-FPU only supports IEEE-based implementation.
if [[ "x$WANT_JIT_FPU" = "xyes" -a "x$FPE_CORE" != "xieee" ]]; then
AC_MSG_WARN([Sorry, JIT-FPU supports only the "ieee" FPE implementation])
FPE_CORE="ieee"
dnl Restore previous variables. FPE_CORE_STR and FPUSRCS are overwritten
DEFINES=$SAVED_DEFINES
dnl Utility macro used by next two tests.
dnl AC_EXAMINE_OBJECT(C source code,
dnl commands examining object file,
dnl [commands to run if compile failed]):
dnl
dnl Compile the source code to an object file; then convert it into a
dnl printable representation. All unprintable characters and
dnl asterisks (*) are replaced by dots (.). All white space is
dnl deleted. Newlines (ASCII 0x10) in the input are preserved in the
dnl output, but runs of newlines are compressed to a single newline.
dnl Finally, line breaks are forcibly inserted so that no line is
dnl longer than 80 columns and the file ends with a newline. The
dnl result of all this processing is in the file conftest.dmp, which
dnl may be examined by the commands in the second argument.
dnl
AC_DEFUN([gcc_AC_EXAMINE_OBJECT],
[AC_LANG_SAVE
AC_LANG_C
dnl Next bit cribbed from AC_TRY_COMPILE.
cat > conftest.$ac_ext <<EOF
[#line __oline__ "configure"
#include "confdefs.h"
$1
]EOF
if AC_TRY_EVAL(ac_compile); then
od -c conftest.o |
sed ['s/^[0-7]*[ ]*/ /
s/\*/./g
s/ \\n/*/g
s/ [0-9][0-9][0-9]/./g
s/ \\[^ ]/./g'] |
tr -d '
' | tr -s '*' '
' | fold | sed '$a\
' > conftest.dmp
$2
ifelse($3, , , else
$3
)dnl
fi
rm -rf conftest*
AC_LANG_RESTORE])
dnl 3. Choose either IEEE-based implementation or the old UAE core
if [[ "x$FPE_CORE" = "xieee" ]]; then
AC_CHECK_HEADERS(fenv.h)
AC_CHECK_FUNCS(feclearexcept fegetexceptflag feraiseexcept fesetexceptflag fetestexcept)
AC_CHECK_FUNCS(fegetround fesetround)
DEFINES="$DEFINES -DFPU_IEEE"
FPE_CORE_STR="ieee-based fpu core"
FPUSRCS="../uae_cpu/fpu/fpu_ieee.cpp"
elif [[ "x$FPE_CORE" = "xuae" ]]; then
DEFINES="$DEFINES -DFPU_UAE"
FPE_CORE_STR="original uae core"
FPUSRCS="../uae_cpu/fpu/fpu_uae.cpp"
dnl Floating point format probe.
dnl The basic concept is the same as the above: grep the object
dnl file for an interesting string. We have to watch out for
dnl rounding changing the values in the object, however; this is
dnl handled by ignoring the least significant byte of the float.
dnl
dnl Does not know about VAX G-float or C4x idiosyncratic format.
dnl It does know about PDP-10 idiosyncratic format, but this is
dnl not presently supported by GCC. S/390 "binary floating point"
dnl is in fact IEEE (but maybe we should have that in EBCDIC as well
dnl as ASCII?)
dnl
AC_DEFUN([gcc_AC_C_FLOAT_FORMAT],
[AC_CACHE_CHECK(floating point format, ac_cv_c_float_format,
[gcc_AC_EXAMINE_OBJECT(
[/* This will not work unless sizeof(double) == 8. */
extern char sizeof_double_must_be_8 [sizeof(double) == 8 ? 1 : -1];
/* This structure must have no internal padding. */
struct possibility {
char prefix[8];
double candidate;
char postfix[8];
};
#define C(cand) { "\nformat:", cand, ":tamrof\n" }
struct possibility table [] =
{
C( 3.25724264705901305206e+01), /* @@IEEEFP - IEEE 754 */
C( 3.53802595280598432000e+18), /* D__float - VAX */
C( 5.32201830133125317057e-19), /* D.PDP-10 - PDP-10 - the dot is 0x13a */
C( 1.77977764695171661377e+10), /* IBMHEXFP - s/390 format, ascii */
C(-5.22995989424860458374e+10) /* IBMHEXFP - s/390 format, EBCDIC */
};],
[if grep 'format:.@IEEEF.:tamrof' conftest.dmp >/dev/null 2>&1; then
ac_cv_c_float_format='IEEE (big-endian)'
elif grep 'format:.I@@PFE.:tamrof' conftest.dmp >/dev/null 2>&1; then
ac_cv_c_float_format='IEEE (big-endian)'
elif grep 'format:.FEEEI@.:tamrof' conftest.dmp >/dev/null 2>&1; then
ac_cv_c_float_format='IEEE (little-endian)'
elif grep 'format:.EFP@@I.:tamrof' conftest.dmp >/dev/null 2>&1; then
ac_cv_c_float_format='IEEE (little-endian)'
elif grep 'format:.__floa.:tamrof' conftest.dmp >/dev/null 2>&1; then
ac_cv_c_float_format='VAX D-float'
elif grep 'format:..PDP-1.:tamrof' conftest.dmp >/dev/null 2>&1; then
ac_cv_c_float_format='PDP-10'
elif grep 'format:.BMHEXF.:tamrof' conftest.dmp >/dev/null 2>&1; then
ac_cv_c_float_format='IBM 370 hex'
else
AC_MSG_ERROR(Unknown floating point format)
fi],
[AC_MSG_ERROR(compile failed)])
])
# IEEE is the default format. If the float endianness isn't the same
# as the integer endianness, we have to set FLOAT_WORDS_BIG_ENDIAN
# (which is a tristate: yes, no, default). This is only an issue with
# IEEE; the other formats are only supported by a few machines each,
# all with the same endianness.
format=IEEE_FLOAT_FORMAT
fbigend=
case $ac_cv_c_float_format in
'IEEE (big-endian)' )
if test $ac_cv_c_bigendian = no; then
fbigend=1
fi
;;
'IEEE (little-endian)' )
if test $ac_cv_c_bigendian = yes; then
fbigend=0
fi
;;
'VAX D-float' )
format=VAX_FLOAT_FORMAT
;;
'PDP-10' )
format=PDP10_FLOAT_FORMAT
;;
'IBM 370 hex' )
format=IBM_FLOAT_FORMAT
;;
esac
AC_DEFINE_UNQUOTED(HOST_FLOAT_FORMAT, $format,
[Define to the floating point format of the host machine.])
if test -n "$fbigend"; then
AC_DEFINE_UNQUOTED(HOST_FLOAT_WORDS_BIG_ENDIAN, $fbigend,
[Define to 1 if the host machine stores floating point numbers in
memory with the word containing the sign bit at the lowest address,
or to 0 if it does it the other way around.
This macro should not be defined if the ordering is the same as for
multi-word integers.])
fi
])
dnl Select appropriate FPU source.
gcc_AC_C_FLOAT_FORMAT
AC_CHECK_HEADERS(ieee754.h ieeefp.h floatingpoint.h nan.h)
for fpe in $FPE_CORE_TEST_ORDER; do
case $fpe in
ieee)
case $ac_cv_c_float_format in
IEEE*)
FPE_CORE="IEEE fpu core"
DEFINES="$DEFINES -DFPU_IEEE"
FPUSRCS="../uae_cpu/fpu/fpu_ieee.cpp"
dnl Math functions not mandated by C99 standard
AC_CHECK_FUNCS(isnanl isinfl)
dnl Math functions required by C99 standard, but probably not
dnl implemented everywhere. In that case, we fall back to the
dnl regular variant for doubles.
AC_CHECK_FUNCS(logl log10l expl powl fabsl sqrtl)
AC_CHECK_FUNCS(sinl cosl tanl sinhl coshl tanhl)
AC_CHECK_FUNCS(asinl acosl atanl asinhl acoshl atanhl)
AC_CHECK_FUNCS(floorl ceill)
break
;;
esac
;;
x86)
if [[ ":$HAVE_GCC27:$HAVE_I386:$HAVE_GAS:" = ":yes:yes:yes:" ]]; then
FPE_CORE="i387 fpu core"
DEFINES="$DEFINES -DFPU_X86"
FPUSRCS="../uae_cpu/fpu/fpu_x86.cpp"
break
fi
;;
uae)
FPE_CORE="uae fpu core"
DEFINES="$DEFINES -DFPU_UAE"
FPUSRCS="../uae_cpu/fpu/fpu_uae.cpp"
break
;;
*)
AC_MSG_ERROR([Internal configure.in script error for $fpe fpu core])
;;
esac
done
if [[ "x$FPE_CORE" = "x" ]]; then
AC_MSG_ERROR([Sorry, no suitable FPU core found in $FPE_CORE_TEST_ORDER])
fi
dnl Check for certain math functions
AC_CHECK_FUNCS(atanh)
AC_CHECK_FUNCS(isnan isinf) dnl C99
AC_CHECK_FUNCS(isnanl isinfl) dnl IEEE ?
AC_CHECK_FUNCS(isnan isinf finite isnormal signbit)
dnl UAE CPU sources for all non-m68k-native architectures.
if [[ "x$WANT_NATIVE_M68K" = "xno" ]]; then
CPUINCLUDES="-I../uae_cpu"
CPUSRCS="../uae_cpu/basilisk_glue.cpp ../uae_cpu/memory.cpp ../uae_cpu/newcpu.cpp ../uae_cpu/readcpu.cpp $FPUSRCS cpustbl.cpp cpudefs.cpp $CPUSRCS"
CPUSRCS="../uae_cpu/basilisk_glue.cpp ../uae_cpu/memory.cpp ../uae_cpu/newcpu.cpp ../uae_cpu/readcpu.cpp $FPUSRCS cpustbl.cpp cpudefs.cpp $CPUSRCS $JITSRCS"
fi
dnl Remove the "-g" option if set for GCC.
@ -670,7 +901,7 @@ if [[ "x$HAVE_OFAST" = "xyes" ]]; then
CFLAGS="`echo $CFLAGS | sed -e 's/-g//g'` -Ofast"
CXXFLAGS="`echo $CXXFLAGS | sed -e 's/-g//g'` -Ofast"
CXXFLAGS="-LANG:std $CXXFLAGS"
LDFLAGS="$LDFLAGS -Ofast"
LDFLAGS="$LDFLAGS -ipa"
fi
dnl Generate Makefile.
@ -684,12 +915,15 @@ dnl Print summary.
echo
echo Basilisk II configuration summary:
echo
echo Full screen support .............. : $WANT_FULL
echo Multiple emulator windows ........ : $WANT_MWIN
echo Enable video on SEGV signals ..... : $WANT_VOSF
echo mon debugger support ............. : $WANT_MON
echo Floating-Point emulation core .... : $FPE_CORE_STR
echo Assembly optimizations ........... : $ASM_OPTIMIZATIONS
echo Addressing mode .................. : $ADDRESSING_MODE
echo Multiple emulator windows .............. : $WANT_MWIN
echo Enable video on SEGV signals ........... : $WANT_VOSF
echo mon debugger support ................... : $WANT_MON
echo Use JIT compiler ....................... : $WANT_JIT
echo JIT debug mode ......................... : $WANT_JIT_DEBUG
echo Floating-Point emulation core .......... : $FPE_CORE
echo Assembly optimizations ................. : $ASM_OPTIMIZATIONS
echo Addressing mode ........................ : $ADDRESSING_MODE
echo
echo "Configuration done. Now type \"make\" (or \"make ide\")."