| 11 |
|
AC_ARG_ENABLE(fbdev-dga, [ --enable-fbdev-dga use direct frame buffer access via /dev/fb [default=yes]], [WANT_FBDEV_DGA=$enableval], [WANT_FBDEV_DGA=yes]) |
| 12 |
|
AC_ARG_ENABLE(vosf, [ --enable-vosf enable video on SEGV signals [default=no]], [WANT_VOSF=$enableval], [WANT_VOSF=no]) |
| 13 |
|
|
| 14 |
+ |
dnl FPU emulation core. |
| 15 |
+ |
AC_ARG_ENABLE(fpe, |
| 16 |
+ |
[ --enable-fpe=which specify which fpu emulator to use [default=opt]], |
| 17 |
+ |
[ case "$enableval" in |
| 18 |
+ |
default) FPE_CORE="default";; dnl fpu_x86.cpp if i386 architecture, fpu_uae.cpp otherwise |
| 19 |
+ |
uae) FPE_CORE="uae";; |
| 20 |
+ |
*) AC_MSG_ERROR([--enable-fpe takes only one of the following values: default, uae]);; |
| 21 |
+ |
esac |
| 22 |
+ |
], |
| 23 |
+ |
[ FPE_CORE="default" |
| 24 |
+ |
]) |
| 25 |
+ |
|
| 26 |
|
dnl Addressing modes. |
| 27 |
|
AC_ARG_ENABLE(addressing, |
| 28 |
|
[ --enable-addressing=AM specify the addressing mode to use [default=fastest]], |
| 613 |
|
CPUSRCS="asm_support.s" |
| 614 |
|
fi |
| 615 |
|
|
| 616 |
+ |
dnl Select appropriate FPU source. |
| 617 |
+ |
dnl 1. Optimized X86 assembly core if target is i386 architecture |
| 618 |
+ |
SAVED_DEFINES=$DEFINES |
| 619 |
+ |
if [[ "x$FPE_CORE" = "xdefault" ]]; then |
| 620 |
+ |
if [[ "x$HAVE_GCC27" = "xyes" -a "x$HAVE_I386" = "xyes" -a "x$HAVE_GAS" = "xyes" ]]; then |
| 621 |
+ |
DEFINES="$DEFINES -DFPU_X86" |
| 622 |
+ |
FPE_CORE_STR="i386 optimized core" |
| 623 |
+ |
FPUSRCS="../uae_cpu/fpu/fpu_x86.cpp" |
| 624 |
+ |
fi |
| 625 |
+ |
fi |
| 626 |
+ |
|
| 627 |
+ |
dnl 2. JIT-FPU only supports IEEE-based implementation. |
| 628 |
+ |
if [[ "x$WANT_JIT_FPU" = "xyes" -a "x$FPE_CORE" != "xieee" ]]; then |
| 629 |
+ |
AC_MSG_WARN([Sorry, JIT-FPU supports only the "ieee" FPE implementation]) |
| 630 |
+ |
FPE_CORE="ieee" |
| 631 |
+ |
dnl Restore previous variables. FPE_CORE_STR and FPUSRCS are overwritten |
| 632 |
+ |
DEFINES=$SAVED_DEFINES |
| 633 |
+ |
fi |
| 634 |
+ |
|
| 635 |
+ |
dnl 3. Choose either IEEE-based implementation or the old UAE core |
| 636 |
+ |
if [[ "x$FPE_CORE" = "xieee" ]]; then |
| 637 |
+ |
AC_CHECK_HEADERS(fenv.h) |
| 638 |
+ |
AC_CHECK_FUNCS(feclearexcept fegetexceptflag feraiseexcept fesetexceptflag fetestexcept) |
| 639 |
+ |
AC_CHECK_FUNCS(fegetround fesetround) |
| 640 |
+ |
DEFINES="$DEFINES -DFPU_IEEE" |
| 641 |
+ |
FPE_CORE_STR="ieee-based fpu core" |
| 642 |
+ |
FPUSRCS="../uae_cpu/fpu/fpu_ieee.cpp" |
| 643 |
+ |
elif [[ "x$FPE_CORE" = "xuae" ]]; then |
| 644 |
+ |
DEFINES="$DEFINES -DFPU_UAE" |
| 645 |
+ |
FPE_CORE_STR="original uae core" |
| 646 |
+ |
FPUSRCS="../uae_cpu/fpu/fpu_uae.cpp" |
| 647 |
+ |
fi |
| 648 |
+ |
|
| 649 |
+ |
dnl Check for certain math functions |
| 650 |
+ |
AC_CHECK_FUNCS(atanh) |
| 651 |
+ |
AC_CHECK_FUNCS(isnan isinf) dnl C99 |
| 652 |
+ |
AC_CHECK_FUNCS(isnanl isinfl) dnl IEEE ? |
| 653 |
+ |
|
| 654 |
|
dnl UAE CPU sources for all non-m68k-native architectures. |
| 655 |
|
if [[ "x$WANT_NATIVE_M68K" = "xno" ]]; then |
| 656 |
|
CPUINCLUDES="-I../uae_cpu" |
| 683 |
|
echo GTK user interface ............... : $WANT_GTK |
| 684 |
|
echo mon debugger support ............. : $WANT_MON |
| 685 |
|
echo Running m68k code natively ....... : $WANT_NATIVE_M68K |
| 686 |
+ |
echo Floating-Point emulation core .... : $FPE_CORE_STR |
| 687 |
|
echo Assembly optimizations ........... : $ASM_OPTIMIZATIONS |
| 688 |
|
echo Addressing mode .................. : $ADDRESSING_MODE |
| 689 |
|
echo |
