--- SheepShaver/src/Unix/configure.ac 2004/12/18 23:45:33 1.12 +++ SheepShaver/src/Unix/configure.ac 2006/01/22 00:08:32 1.46 @@ -1,7 +1,7 @@ dnl Process this file with autoconf to produce a configure script. dnl Written in 2002 by Christian Bauer -AC_INIT([SheepShaver], 2.2, [Christian.Bauer@uni-mainz.de], SheepShaver) +AC_INIT([SheepShaver], 2.3, [Christian.Bauer@uni-mainz.de], SheepShaver) AC_CONFIG_SRCDIR(main_unix.cpp) AC_PREREQ(2.52) AC_CONFIG_HEADER(config.h) @@ -14,14 +14,29 @@ dnl Some systems do not put corefiles in dnl cores for the configure tests since some are intended to dump core. ulimit -c 0 +dnl Invite Cygwin users to build within the Windows/ directory +case $target_os in +*cygwin* | *mingw32*) + AC_MSG_ERROR([You can only build the Windows version from its directory, Cygwin/X11 is not supported.]) + ;; +esac + dnl Options. AC_ARG_ENABLE(jit, [ --enable-jit enable JIT compiler [default=yes]], [WANT_JIT=$enableval], [WANT_JIT=yes]) AC_ARG_ENABLE(ppc-emulator, [ --enable-ppc-emulator use the selected PowerPC emulator [default=auto]], [WANT_EMULATED_PPC=$enableval], [WANT_EMULATED_PPC=auto]) +AC_ARG_ENABLE(fbdev-dga, [ --enable-fbdev-dga use direct frame buffer access via /dev/fb0 [default=yes]], [WANT_FBDEV_DGA=$enableval], [WANT_FBDEV_DGA=yes]) AC_ARG_ENABLE(xf86-dga, [ --enable-xf86-dga use the XFree86 DGA extension [default=yes]], [WANT_XF86_DGA=$enableval], [WANT_XF86_DGA=yes]) -AC_ARG_ENABLE(xf86-vidmode, [ --enable-xf86-vidmode use the XFree86 VidMode extension [default=no]], [WANT_XF86_VIDMODE=$enableval], [WANT_XF86_VIDMODE=no]) +AC_ARG_ENABLE(xf86-vidmode, [ --enable-xf86-vidmode use the XFree86 VidMode extension [default=yes]], [WANT_XF86_VIDMODE=$enableval], [WANT_XF86_VIDMODE=yes]) AC_ARG_ENABLE(vosf, [ --enable-vosf enable video on SEGV signals [default=yes]], [WANT_VOSF=$enableval], [WANT_VOSF=yes]) AC_ARG_WITH(esd, [ --with-esd support ESD for sound under Linux/FreeBSD [default=yes]], [WANT_ESD=$withval], [WANT_ESD=yes]) -AC_ARG_WITH(gtk, [ --with-gtk use GTK user interface [default=yes]], [WANT_GTK=$withval], [WANT_GTK=yes]) +AC_ARG_WITH(gtk, [ --with-gtk use GTK user interface [default=yes]], + [case "$withval" in + gtk1) WANT_GTK="gtk";; + gtk|gtk2) WANT_GTK="$withval";; + yes) WANT_GTK="gtk2 gtk";; + *) WANT_GTK="no";; + esac], + [WANT_GTK="gtk2 gtk"]) AC_ARG_WITH(mon, [ --with-mon use mon as debugger [default=yes]], [WANT_MON=$withval], [WANT_MON=yes]) AC_ARG_WITH(dgcc, [ --with-dgcc=COMPILER use C++ COMPILER to compile synthetic opcodes], [DYNGEN_CC=$withval]) @@ -31,7 +46,7 @@ AC_ARG_ENABLE(addressing, [case "$enableval" in real) WANT_ADDRESSING_MODE="real";; direct) WANT_ADDRESSING_MODE="direct";; - direct,0x*) WANT_ADDRESSING_MODE="direct"; NATMEM_OFFSET=`echo "$enableval" | sed -n '/direct,\(0[[xX]][[0-9A-Fa-f]]*\)/s//\1/p'`;; + direct,0x*) WANT_ADDRESSING_MODE="direct"; NATMEM_OFFSET=`echo "$enableval" | sed -n '/direct,\(0[[xX]][[0-9A-Fa-f]]*\([[UuLl]]\{1,2\}\)\?\)$/s//\1/p'`;; esac], [WANT_ADDRESSING_MODE="real"] ) @@ -48,7 +63,8 @@ AC_PROG_CXX AC_PROG_MAKE_SET AC_PROG_INSTALL AC_PROG_EGREP -AC_CHECK_PROGS(FILE, [file false]) +AC_PATH_PROGS(FILE, [file false]) +AC_PATH_PROG(PERL, [perl]) dnl Check for PowerPC target CPU. HAVE_PPC=no @@ -109,6 +125,7 @@ AC_SUBST(MONSRCS) dnl Checks for libraries. AC_CHECK_LIB(posix4, sem_init) +AC_CHECK_LIB(m, cos) dnl Do we need SDL? WANT_SDL=no @@ -126,26 +143,19 @@ fi if [[ "x$WANT_SDL" = "xyes" ]]; then AC_PATH_PROG(sdl_config, "sdl-config") if [[ -n "$sdl_config" ]]; then - case $target_os in - # Special treatment for Cygwin so that we can still use the POSIX layer - *cygwin*) - sdl_cflags="-I`$sdl_config --prefix`/include/SDL" - sdl_libs="-L`$sdl_config --exec-prefix`/lib -lSDL" - ;; - *) - sdl_cflags=`$sdl_config --cflags` - if [[ "x$WANT_SDL_STATIC" = "xyes" ]]; then - sdl_libs=`$sdl_config --static-libs` - else - sdl_libs=`$sdl_config --libs` - fi - ;; - esac + sdl_cflags=`$sdl_config --cflags` + if [[ "x$WANT_SDL_STATIC" = "xyes" ]]; then + sdl_libs=`$sdl_config --static-libs` + else + sdl_libs=`$sdl_config --libs` + fi CFLAGS="$CFLAGS $sdl_cflags" CXXFLAGS="$CXXFLAGS $sdl_cflags" LIBS="$LIBS $sdl_libs" else WANT_SDL=no + WANT_SDL_VIDEO=no + WANT_SDL_AUDIO=no fi SDL_SUPPORT=`echo "$SDL_SUPPORT" | sed -e "s/^ //"` else @@ -153,7 +163,7 @@ else fi dnl We need X11, if not using SDL. -if [[ "x$WANT_SDL" = "xno" ]]; then +if [[ "x$WANT_SDL_VIDEO" != "xyes" ]]; then AC_PATH_XTRA if [[ "x$no_x" = "xyes" ]]; then AC_MSG_ERROR([You need X11 to run SheepShaver.]) @@ -166,7 +176,7 @@ fi dnl We need pthreads on non-PowerPC systems. Try libpthread first, then libc_r (FreeBSD), then PTL. HAVE_PTHREADS=yes case $EMULATED_PPC:$target_os in -no:linux*) +no:linux*|no:netbsd*) dnl We do have our own pthread_cancel() implementation AC_DEFINE(HAVE_PTHREAD_CANCEL, 1, [Define if you have the pthread_cancel function.]) ;; @@ -174,17 +184,17 @@ no:linux*) AC_CHECK_LIB(pthread, pthread_create, , [ AC_CHECK_LIB(c_r, pthread_create, , [ AC_CHECK_LIB(PTL, pthread_create, , [ - AC_MSG_ERROR([You need pthreads to run Basilisk II.]) + dnl XXX remove when no pthreads case is merged + AC_MSG_ERROR([You need pthreads to run SheepShaver.]) + HAVE_PTHREADS=no ]) ]) ]) AC_CHECK_FUNCS(pthread_cancel) + AC_CHECK_FUNCS(pthread_cond_init pthread_testcancel) AC_CHECK_FUNCS(pthread_mutexattr_setprotocol) AC_CHECK_FUNCS(pthread_mutexattr_settype) AC_CHECK_FUNCS(pthread_mutexattr_setpshared) - if [[ "x$HAVE_PTHREADS" = "xyes" ]]; then - AC_DEFINE(HAVE_PTHREADS, 1, [Define if pthreads are available.]) - fi dnl If POSIX.4 semaphores are not available, we emulate them with pthread mutexes. SEMSRC= AC_CHECK_FUNCS(sem_init, , [ @@ -194,6 +204,19 @@ no:linux*) ]) ;; esac +if [[ "x$HAVE_PTHREADS" = "xyes" ]]; then + AC_DEFINE(HAVE_PTHREADS, 1, [Define if pthreads are available.]) +fi + +dnl We use FBDev DGA if possible. +if [[ "x$WANT_FBDEV_DGA" = "xyes" ]]; then + AC_CHECK_HEADER(linux/fb.h, [ + AC_DEFINE(ENABLE_FBDEV_DGA, 1, [Define if using Linux fbdev extension.]) + ], [ + AC_MSG_WARN([Could not find Linux FBDev extension, ignoring --enable-fbdev-dga.]) + WANT_FBDEV_DGA=no + ]) +fi dnl We use XFree86 DGA if possible. if [[ "x$WANT_XF86_DGA" = "xyes" ]]; then @@ -219,7 +242,30 @@ fi dnl We use GTK+ if possible. UISRCS=../dummy/prefs_editor_dummy.cpp -if [[ "x$WANT_GTK" = "xyes" ]]; then +case "x$WANT_GTK" in +xgtk2*) + AM_PATH_GTK_2_0(1.3.15, [ + AC_DEFINE(ENABLE_GTK, 1, [Define if using GTK.]) + CFLAGS="$CFLAGS $GTK_CFLAGS" + CXXFLAGS="$CXXFLAGS $GTK_CFLAGS" + LIBS="$LIBS $GTK_LIBS" + UISRCS=prefs_editor_gtk.cpp + WANT_GTK=gtk2 + ], [ + case "x${WANT_GTK}x" in + *gtkx) + AC_MSG_WARN([Could not find GTK+ 2.0, trying with GTK+ 1.2.]) + WANT_GTK=gtk + ;; + *) + AC_MSG_WARN([Could not find GTK+, disabling user interface.]) + WANT_GTK=no + ;; + esac + ]) + ;; +esac +if [[ "x$WANT_GTK" = "xgtk" ]]; then AM_PATH_GTK(1.2.0, [ AC_DEFINE(ENABLE_GTK, 1, [Define if using GTK.]) CFLAGS="$CFLAGS $GTK_CFLAGS" @@ -251,16 +297,21 @@ AC_SYS_LARGEFILE dnl Checks for header files. AC_HEADER_STDC AC_HEADER_SYS_WAIT -AC_CHECK_HEADERS(malloc.h) +AC_CHECK_HEADERS(malloc.h stdint.h) AC_CHECK_HEADERS(mach/vm_map.h mach/mach_init.h sys/mman.h) -AC_CHECK_HEADERS(sys/time.h sys/times.h sys/socket.h) AC_CHECK_HEADERS(unistd.h fcntl.h byteswap.h dirent.h) -AC_CHECK_HEADERS(linux/if.h, [], [], [ -#if HAVE_SYS_SOCKET_H -# include +AC_CHECK_HEADERS(sys/socket.h sys/ioctl.h sys/filio.h sys/bitypes.h sys/wait.h) +AC_CHECK_HEADERS(sys/time.h sys/poll.h sys/select.h arpa/inet.h) +AC_CHECK_HEADERS(linux/if.h linux/if_tun.h net/if.h net/if_tun.h, [], [], [ +#ifdef HAVE_SYS_TYPES_H +#include +#endif +#ifdef HAVE_SYS_SOCKET_H +#include #endif ]) -AC_CHECK_HEADERS(linux/if_tun.h net/if.h net/if_tun.h) +AC_CHECK_HEADERS(AvailabilityMacros.h) +AC_CHECK_HEADERS(IOKit/storage/IOBlockStorageDevice.h) AC_CHECK_HEADERS(fenv.h) dnl Checks for typedefs, structures, and compiler characteristics. @@ -281,6 +332,23 @@ AC_TYPE_SIGNAL AC_HEADER_TIME AC_STRUCT_TM +dnl Check whether sys/socket.h defines type socklen_t. +dnl (extracted from ac-archive/Miscellaneous) +AC_CACHE_CHECK([for socklen_t], + ac_cv_type_socklen_t, [ + AC_TRY_COMPILE([ + #include + #include + ], [socklen_t len = 42; return 0;], + ac_cv_type_socklen_t=yes, ac_cv_type_socklen_t=no, + dnl When cross-compiling, do not assume anything. + ac_cv_type_socklen_t="guessing no" + ) +]) +if [[ "x$ac_cv_type_socklen_t" != "xyes" ]]; then + AC_DEFINE(socklen_t, int, [Define to 'int' if doesn't define.]) +fi + dnl Check whether struct sigaction has sa_restorer member. AC_CACHE_CHECK([whether struct sigaction has sa_restorer], ac_cv_signal_sa_restorer, [ @@ -297,13 +365,14 @@ if [[ "x$ac_cv_signal_sa_restorer" = "xy fi dnl Checks for library functions. -AC_CHECK_FUNCS(strdup strlcpy cfmakeraw) +AC_CHECK_FUNCS(strdup strerror strlcpy cfmakeraw) AC_CHECK_FUNCS(nanosleep) AC_CHECK_FUNCS(sigaction signal) AC_CHECK_FUNCS(mmap mprotect munmap) AC_CHECK_FUNCS(vm_allocate vm_deallocate vm_protect) -AC_CHECK_FUNCS(posix_memalign memalign valloc) AC_CHECK_FUNCS(exp2f log2f exp2 log2) +AC_CHECK_FUNCS(floorf roundf ceilf truncf floor round ceil trunc) +AC_CHECK_FUNCS(poll inet_aton) dnl Darwin seems to define mach_task_self() instead of task_self(). AC_CHECK_FUNCS(mach_task_self task_self) @@ -315,7 +384,7 @@ no:linux*) ;; *:*) AC_SEARCH_LIBS(clock_gettime, [rt posix4]) - AC_CHECK_FUNCS(clock_gettime) + AC_CHECK_FUNCS(clock_gettime clock_nanosleep) ;; esac @@ -371,7 +440,7 @@ AC_DEFUN(AC_CHECK_FRAMEWORK, [ saved_LIBS="$LIBS" LIBS="$LIBS -framework $1" AC_TRY_LINK( - [$2], [int main(void) { return 0; }], + [$2], [], [AS_VAR_SET(ac_Framework, yes)], [AS_VAR_SET(ac_Framework, no); LIBS="$saved_LIBS"] ) ]) @@ -384,6 +453,7 @@ AC_DEFUN(AC_CHECK_FRAMEWORK, [ dnl Check for some MacOS X frameworks AC_CHECK_FRAMEWORK(Carbon, [#include ]) AC_CHECK_FRAMEWORK(IOKit, [#include ]) +AC_CHECK_FRAMEWORK(CoreFoundation, [#include ]) dnl Select system-dependant sources. SERIALSRC=serial_unix.cpp @@ -394,29 +464,66 @@ EXTFSSRC=extfs_unix.cpp EXTRASYSSRCS= case "$target_os" in linux*) - ETHERSRC=Linux/ether_linux.cpp + ETHERSRC=ether_unix.cpp AUDIOSRC=audio_oss_esd.cpp SCSISRC=Linux/scsi_linux.cpp if [[ "x$EMULATED_PPC" = "xno" ]]; then - EXTRASYSSRCS="Linux/paranoia.cpp Linux/sheepthreads.c Linux/asm_linux.S" + EXTRASYSSRCS="paranoia.cpp Linux/sheepthreads.c ppc_asm.S" + fi + ;; +freebsd*) + ETHERSRC=ether_unix.cpp + ;; +netbsd*) + ETHERSRC=ether_unix.cpp + if [[ "x$EMULATED_PPC" = "xno" ]]; then + EXTRASYSSRCS="paranoia.cpp NetBSD/sheepthreads.c ppc_asm.S" fi ;; darwin*) + ETHERSRC=ether_unix.cpp if [[ "x$EMULATED_PPC" = "xno" ]]; then - EXTRASYSSRCS="Darwin/paranoia.cpp Linux/asm_linux.S" + EXTRASYSSRCS="paranoia.cpp ppc_asm.S" fi - if [[ "x$ac_cv_framework_IOKit" = "xyes" ]]; then + if [[ "x$ac_cv_framework_IOKit" = "xyes" -a "x$ac_cv_framework_CoreFoundation" = "xyes" ]]; then EXTRASYSSRCS="$EXTRASYSSRCS ../MacOSX/sys_darwin.cpp" fi if [[ "x$ac_cv_framework_Carbon" = "xyes" ]]; then EXTFSSRC=../MacOSX/extfs_macosx.mm fi ;; -cygwin*) - SERIALSRC="../dummy/serial_dummy.cpp" +irix*) + ETHERSRC=ether_unix.cpp + AUDIOSRC=Irix/audio_irix.cpp + LIBS="$LIBS -laudio" + WANT_ESD=no + + dnl Check if our compiler supports -IPA (MIPSPro) + HAVE_IPA=no + ocflags="$CFLAGS" + CFLAGS=`echo " $CFLAGS -IPA" | sed -e "s/ -g //g"` + AC_MSG_CHECKING(if "-IPA" works) + dnl Do a test compile of an empty function + AC_TRY_COMPILE([#if defined __GNUC__ + # error GCC does not support IPA yet + #endif],, [AC_MSG_RESULT(yes); HAVE_IPA=yes], AC_MSG_RESULT(no)) + CFLAGS="$ocflags" ;; esac +dnl Is the slirp library supported? +if [[ "x$ETHERSRC" = "xether_unix.cpp" ]]; then + AC_DEFINE(HAVE_SLIRP, 1, [Define if slirp library is supported]) + SLIRP_SRCS="\ + ../slirp/bootp.c ../slirp/ip_output.c ../slirp/tcp_input.c \ + ../slirp/cksum.c ../slirp/mbuf.c ../slirp/tcp_output.c \ + ../slirp/debug.c ../slirp/misc.c ../slirp/tcp_subr.c \ + ../slirp/if.c ../slirp/sbuf.c ../slirp/tcp_timer.c \ + ../slirp/ip_icmp.c ../slirp/slirp.c ../slirp/tftp.c \ + ../slirp/ip_input.c ../slirp/socket.c ../slirp/udp.c" +fi +AC_SUBST(SLIRP_SRCS) + dnl SDL overrides if [[ "x$WANT_SDL" = "xyes" ]]; then AC_DEFINE(USE_SDL, 1, [Define to enble SDL support.]) @@ -428,14 +535,7 @@ if [[ "x$WANT_SDL_VIDEO" = "xyes" ]]; th if [[ "x$ac_cv_framework_Carbon" = "xyes" ]]; then EXTRASYSSRCS="$EXTRASYSSRCS ../MacOSX/clip_macosx.cpp" else - case "$target_os" in - cygwin*) - EXTRASYSSRCS="$EXTRASYSSRCS ../Windows/clip_windows.cpp" - ;; - *) - EXTRASYSSRCS="$EXTRASYSSRCS ../dummy/clip_dummy.cpp" - ;; - esac + EXTRASYSSRCS="$EXTRASYSSRCS ../dummy/clip_dummy.cpp" fi else VIDEOSRCS="video_x.cpp" @@ -863,12 +963,6 @@ fi dnl Check addressing mode to use AC_MSG_CHECKING([for addressing mode to use]) -case "$os_target" in -cygwin*) - WANT_ADDRESSING_MODE="direct,cygwin-hack" - NATMEM_OFFSET= - ;; -esac if [[ "$EMULATED_PPC" != "yes" ]]; then if [[ "$WANT_ADDRESSING_MODE" != "real" ]]; then AC_MSG_WARN([Running in native PowerPC mode, force use of Real Addressing.]) @@ -919,7 +1013,10 @@ int main(void) memset(m, 0, ranges[[i]].size); vm_release(m, ranges[[i]].size); if (i == n_ranges - 1) { - printf("0x%08x\n", ofs); + if (sizeof(void *) == 8 && ofs > 0xffffffff) + printf("0x%lxul\n", ofs); + else + printf("0x%08x\n", ofs); return 0; } } @@ -947,6 +1044,146 @@ EOF fi AC_MSG_RESULT($WANT_ADDRESSING_MODE) +dnl Utility macro used by next two tests. +dnl AC_EXAMINE_OBJECT(C source code, +dnl commands examining object file, +dnl [commands to run if compile failed]): +dnl +dnl Compile the source code to an object file; then convert it into a +dnl printable representation. All unprintable characters and +dnl asterisks (*) are replaced by dots (.). All white space is +dnl deleted. Newlines (ASCII 0x10) in the input are preserved in the +dnl output, but runs of newlines are compressed to a single newline. +dnl Finally, line breaks are forcibly inserted so that no line is +dnl longer than 80 columns and the file ends with a newline. The +dnl result of all this processing is in the file conftest.dmp, which +dnl may be examined by the commands in the second argument. +dnl +AC_DEFUN([gcc_AC_EXAMINE_OBJECT], +[AC_LANG_SAVE +AC_LANG_C +dnl Next bit cribbed from AC_TRY_COMPILE. +cat > conftest.$ac_ext < conftest.dmp + $2 +ifelse($3, , , else + $3 +)dnl +fi +rm -rf conftest* +AC_LANG_RESTORE]) + +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, $fbigend, + [Define to 1 if the host machine stores floating point numbers in + memory with the word containing the sign bit at the lowest address, + or to 0 if it does it the other way around. + + This macro should not be defined if the ordering is the same as for + multi-word integers.]) +fi +]) + +dnl Check for host float format +gcc_AC_C_FLOAT_FORMAT + dnl Platform specific binary postprocessor AC_PATH_PROG(BLESS, "true") if [[ "x$ac_cv_pagezero_hack" = "xyes" ]]; then @@ -957,20 +1194,24 @@ fi dnl Check for GCC 2.7 or higher. HAVE_GCC27=no AC_MSG_CHECKING(for GCC 2.7 or higher) -AC_EGREP_CPP(xyes, -[#if __GNUC__ - 1 > 1 || __GNUC_MINOR__ - 1 > 5 - xyes -#endif -], [AC_MSG_RESULT(yes); HAVE_GCC27=yes], AC_MSG_RESULT(no)) +AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#if ! (__GNUC__ - 1 > 1 || __GNUC_MINOR__ - 1 > 5) + # error gcc < 2.7 + typedef syntax error; + #endif + ]])], + [AC_MSG_RESULT(yes); HAVE_GCC27=yes], + [AC_MSG_RESULT(no)]) dnl Check for GCC 3.0 or higher. HAVE_GCC30=no AC_MSG_CHECKING(for GCC 3.0 or higher) -AC_EGREP_CPP(xyes, -[#if __GNUC__ >= 3 - xyes -#endif -], [AC_MSG_RESULT(yes); HAVE_GCC30=yes], AC_MSG_RESULT(no)) +AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#if ! (__GNUC__ >= 3) + # error gcc < 3 + typedef syntax error; + #endif + ]])], + [AC_MSG_RESULT(yes); HAVE_GCC30=yes], + [AC_MSG_RESULT(no)]) dnl Check for ICC. AC_MSG_CHECKING(for ICC) @@ -981,7 +1222,7 @@ fi AC_MSG_RESULT($HAVE_ICC) dnl Determine the generated object format -AC_CACHE_CHECK([whether the compiler can generate ELF objects], +AC_CACHE_CHECK([the format of compiler generated objects], ac_cv_object_format, [ echo 'int i;' > conftest.$ac_ext ac_cv_object_format=no @@ -990,6 +1231,9 @@ AC_CACHE_CHECK([whether the compiler can *"ELF"*) ac_cv_object_format=elf ;; + *"Mach-O"*) + ac_cv_object_format=mach + ;; *) ac_cv_object_format=unknown ;; @@ -998,10 +1242,39 @@ AC_CACHE_CHECK([whether the compiler can rm -rf conftest* ]) +dnl Add -fno-strict-aliasing for slirp sources +if [[ "x$HAVE_GCC30" = "xyes" ]]; then + SAVED_CFLAGS="$CFLAGS" + CFLAGS="$CFLAGS -fno-strict-aliasing" + AC_CACHE_CHECK([whether the compiler supports -fno-strict-aliasing], + ac_cv_gcc_no_strict_aliasing, [ + AC_TRY_COMPILE([],[], + [ac_cv_gcc_no_strict_aliasing=yes; AC_SUBST(SLIRP_CFLAGS, "-fno-strict-aliasing")], + [ac_cv_gcc_no_strict_aliasing=no]) + ]) + CFLAGS="$SAVED_CFLAGS" +fi + +dnl Add -mdynamic-no-pic for MacOS X (XXX icc10 will support MacOS X) +if [[ "x$HAVE_GCC30" = "xyes" -a "x$HAVE_ICC" = "xno" ]]; then + SAVED_CFLAGS="$CFLAGS" + CFLAGS="$CFLAGS -mdynamic-no-pic" + AC_CACHE_CHECK([whether the compiler supports -mdynamic-no-pic], + ac_cv_gcc_mdynamic_no_pic, [ + AC_TRY_COMPILE([],[],[ac_cv_gcc_mdynamic_no_pic=yes],[ac_cv_gcc_mdynamic_no_pic=no]) + ]) + if [[ "x$ac_cv_gcc_mdynamic_no_pic" = "xyes" ]]; then + CXXFLAGS="$CXXFLAGS -mdynamic-no-pic" + else + CFLAGS="$SAVED_CFLAGS" + fi +fi + dnl CPU emulator sources if [[ "x$EMULATED_PPC" = "xyes" ]]; then CPUSRCS="\ ../kpx_cpu/src/mathlib/ieeefp.cpp \ + ../kpx_cpu/src/mathlib/mathlib.cpp \ ../kpx_cpu/src/cpu/ppc/ppc-cpu.cpp \ ../kpx_cpu/src/cpu/ppc/ppc-decode.cpp \ ../kpx_cpu/src/cpu/ppc/ppc-execute.cpp \ @@ -1022,6 +1295,15 @@ if [[ "x$EMULATED_PPC" = "xyes" ]]; then i?86:elf) ac_cv_use_dyngen=yes ;; + mips:elf) + ac_cv_use_dyngen=yes + ;; + powerpc:mach) + ac_cv_use_dyngen=yes + ;; + i?86:mach) + ac_cv_use_dyngen=yes + ;; *:*) ac_cv_use_dyngen=no ;; @@ -1031,7 +1313,7 @@ if [[ "x$EMULATED_PPC" = "xyes" ]]; then if [[ "x$HAVE_GCC27" = "xyes" -a "x$HAVE_ICC" = "xno" ]]; then DYNGEN_CC=$CXX else - for p in /usr/bin /usr/local/bin; do + for p in /usr/bin /usr/local/bin /usr/freeware/bin; do gxx="$p/g++" if [[ -x "$gxx" ]]; then DYNGEN_CC="$gxx" @@ -1039,36 +1321,45 @@ if [[ "x$EMULATED_PPC" = "xyes" ]]; then done fi fi - if [[ -z "$DYNGEN_CC" ]] || ! { echo '#include ' | $DYNGEN_CC -xc++ -c -o /dev/null - >& /dev/null; }; then + if [[ -z "$DYNGEN_CC" ]]; then ac_cv_use_dyngen=no fi ]) if [[ "x$ac_cv_use_dyngen" = "xyes" ]]; then case $host_cpu in i?86) - DYNGEN_OP_FLAGS="-fomit-frame-pointer -mpreferred-stack-boundary=2" - if [[ "x$HAVE_GCC30" = "xyes" ]]; then - DYNGEN_OP_FLAGS="$DYNGEN_OP_FLAGS -falign-functions=0" - else - DYNGEN_OP_FLAGS="$DYNGEN_OP_FLAGS -malign-functions=0" - fi - saved_CPPFLAGS=$CPPFLAGS - CPPFLAGS="$CPPFLAGS -mmmx" - AC_CHECK_HEADERS(mmintrin.h, [DYNGEN_OP_FLAGS="$DYNGEN_OP_FLAGS -mmmx"]) - CPPFLAGS="$CPPFLAGS -msse" - AC_CHECK_HEADERS(xmmintrin.h, [DYNGEN_OP_FLAGS="$DYNGEN_OP_FLAGS -msse"]) - CPPFLAGS="$CPPFLAGS -msse2" - AC_CHECK_HEADERS(emmintrin.h, [DYNGEN_OP_FLAGS="$DYNGEN_OP_FLAGS -msse2"]) - CPPFLAGS=$saved_CPPFLAGS + DYNGEN_OP_FLAGS="-fomit-frame-pointer" + ;; + mips) + DYNGEN_OP_FLAGS="-fno-delayed-branch -mno-abicalls" ;; - x86_64) - AC_CHECK_HEADERS(mmintrin.h xmmintrin.h emmintrin.h) + powerpc) + if [[ "x$ac_cv_object_format" = "xmach" ]]; then + DYNGEN_OP_FLAGS="-mdynamic-no-pic" + fi ;; esac - DYNGEN_OP_FLAGS="$DYNGEN_OP_FLAGS -finline-limit=10000" - if [[ "x$HAVE_GCC30" = "xyes" ]]; then + have_dyngen_gcc3=no + case "x`$DYNGEN_CC -dumpversion`" in + x[12].*) ;; + x*) have_dyngen_gcc3=yes ;; + esac + if [[ "x$have_dyngen_gcc3" = "xyes" ]]; then + DYNGEN_OP_FLAGS="$DYNGEN_OP_FLAGS -falign-functions=0" + else + DYNGEN_OP_FLAGS="$DYNGEN_OP_FLAGS -malign-functions=0" + fi + DYNGEN_OP_FLAGS="$DYNGEN_OP_FLAGS -finline-functions -finline-limit=10000 -fno-exceptions -g0" + if [[ "x$have_dyngen_gcc3" = "xyes" ]]; then DYNGEN_OP_FLAGS="$DYNGEN_OP_FLAGS -fno-reorder-blocks -fno-optimize-sibling-calls" fi + if [[ "x$DYNGEN_CC" != "x$CXX" ]]; then + DYNGEN_CFLAGS="-O2 $CFLAGS" + DYNGEN_CXXFLAGS="-O2 $CXXFLAGS" + else + DYNGEN_CFLAGS="\$(CFLAGS)" + DYNGEN_CXXFLAGS="\$(CXXFLAGS)" + fi else WANT_JIT=no fi @@ -1091,7 +1382,7 @@ if [[ "x$ac_cv_use_dyngen" = "xyes" ]]; AC_CACHE_CHECK([whether static data regions are executable], ac_cv_have_static_data_exec, [ AC_TRY_RUN([int main(void) { -#if defined(__powerpc__) +#if defined(__powerpc__) || defined(__ppc__) static unsigned int p[8] = {0x4e800020,}; asm volatile("dcbst 0,%0" : : "r" (p) : "memory"); asm volatile("sync" : : : "memory"); @@ -1107,6 +1398,8 @@ if [[ "x$ac_cv_use_dyngen" = "xyes" ]]; ac_cv_have_static_data_exec=no ) ]) +else + ac_cv_use_dyngen=no fi AC_TRANSLATE_DEFINE(HAVE_STATIC_DATA_EXEC, "$ac_cv_have_static_data_exec", [Define if your system marks static data pages as executable.]) @@ -1115,9 +1408,21 @@ if [[ "x$WANT_JIT" = "xyes" ]]; then CPPFLAGS="$CPPFLAGS -DUSE_JIT" fi +dnl Higher level optimizations with MIPSPro compilers are possible +if [[ "x$HAVE_IPA" = "xyes" ]]; then + CFLAGS="`echo $CFLAGS | sed -e 's/-g//g'` -O3 -OPT:Olimit=0 -IPA" + CXXFLAGS="`echo $CXXFLAGS | sed -e 's/-g//g'` -O3 -OPT:Olimit=0 -IPA" + CXXFLAGS="-LANG:std $CXXFLAGS" + LDFLAGS="$LDFLAGS -O3 -OPT:Olimit=0 -IPA" +fi + dnl Generate Makefile. +AC_SUBST(PERL) +AC_SUBST(USE_DYNGEN, [$ac_cv_use_dyngen]) AC_SUBST(DYNGENSRCS) AC_SUBST(DYNGEN_CC) +AC_SUBST(DYNGEN_CFLAGS) +AC_SUBST(DYNGEN_CXXFLAGS) AC_SUBST(DYNGEN_OP_FLAGS) AC_SUBST(SYSSRCS) AC_SUBST(CPUSRCS) @@ -1133,6 +1438,7 @@ echo echo SheepShaver configuration summary: echo echo SDL support ...................... : $SDL_SUPPORT +echo FBDev DGA support ................ : $WANT_FBDEV_DGA echo XFree86 DGA support .............. : $WANT_XF86_DGA echo XFree86 VidMode support .......... : $WANT_XF86_VIDMODE echo Using PowerPC emulator ........... : $EMULATED_PPC