--- SheepShaver/src/Unix/configure.ac 2005/03/27 19:05:18 1.21 +++ SheepShaver/src/Unix/configure.ac 2005/07/03 13:05:36 1.32 @@ -19,7 +19,7 @@ AC_ARG_ENABLE(jit, [ --enable- 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=$withval], [WANT_ESD=yes]) AC_ARG_WITH(gtk, [ --with-gtk use GTK user interface [default=yes]], @@ -123,7 +123,6 @@ dnl Do we need SDL? WANT_SDL=no if [[ "x$WANT_SDL_VIDEO" = "xyes" ]]; then WANT_SDL=yes - WANT_FBDEV_DGA=no WANT_XF86_DGA=no WANT_XF86_VIDMODE=no WANT_FBDEV_DGA=no @@ -186,17 +185,17 @@ no:linux*|no:netbsd*) 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) AC_CHECK_FUNCS(pthread_mutexattr_setprotocol) AC_CHECK_FUNCS(pthread_mutexattr_settype) AC_CHECK_FUNCS(pthread_mutexattr_setpshared) - if [[ "x$HAVE_PTHREADS" = "xyes" ]]; then - AC_DEFINE(HAVE_PTHREADS, 1, [Define if pthreads are available.]) - fi dnl If POSIX.4 semaphores are not available, we emulate them with pthread mutexes. SEMSRC= AC_CHECK_FUNCS(sem_init, , [ @@ -206,6 +205,9 @@ no:linux*|no:netbsd*) ]) ;; esac +if [[ "x$HAVE_PTHREADS" = "xyes" ]]; then + AC_DEFINE(HAVE_PTHREADS, 1, [Define if pthreads are available.]) +fi dnl We use FBDev DGA if possible. if [[ "x$WANT_FBDEV_DGA" = "xyes" ]]; then @@ -296,16 +298,21 @@ AC_SYS_LARGEFILE dnl Checks for header files. AC_HEADER_STDC AC_HEADER_SYS_WAIT -AC_CHECK_HEADERS(malloc.h) +AC_CHECK_HEADERS(malloc.h stdint.h) AC_CHECK_HEADERS(mach/vm_map.h mach/mach_init.h sys/mman.h) -AC_CHECK_HEADERS(sys/time.h sys/times.h sys/socket.h) AC_CHECK_HEADERS(unistd.h fcntl.h byteswap.h dirent.h) -AC_CHECK_HEADERS(linux/if.h, [], [], [ -#if HAVE_SYS_SOCKET_H -# include +AC_CHECK_HEADERS(sys/socket.h sys/ioctl.h sys/filio.h sys/bitypes.h sys/wait.h) +AC_CHECK_HEADERS(sys/time.h sys/poll.h sys/select.h arpa/inet.h) +AC_CHECK_HEADERS(linux/if.h linux/if_tun.h net/if.h net/if_tun.h, [], [], [ +#ifdef HAVE_SYS_TYPES_H +#include +#endif +#ifdef HAVE_SYS_SOCKET_H +#include #endif ]) -AC_CHECK_HEADERS(linux/if_tun.h net/if.h net/if_tun.h) +AC_CHECK_HEADERS(AvailabilityMacros.h) +AC_CHECK_HEADERS(IOKit/storage/IOBlockStorageDevice.h) AC_CHECK_HEADERS(fenv.h) dnl Checks for typedefs, structures, and compiler characteristics. @@ -342,13 +349,14 @@ if [[ "x$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 trunc) +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) @@ -439,19 +447,24 @@ 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 ppc_asm.S" fi ;; +freebsd*) + ETHERSRC=ether_unix.cpp + ;; netbsd*) + ETHERSRC=ether_unix.cpp if [[ "x$EMULATED_PPC" = "xno" ]]; then EXTRASYSSRCS="NetBSD/paranoia.cpp NetBSD/sheepthreads.c ppc_asm.S" fi ;; darwin*) + ETHERSRC=ether_unix.cpp if [[ "x$EMULATED_PPC" = "xno" ]]; then EXTRASYSSRCS="Darwin/paranoia.cpp ppc_asm.S" fi @@ -467,6 +480,19 @@ cygwin*) ;; 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.]) @@ -1000,6 +1026,146 @@ 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 @@ -1034,7 +1200,7 @@ 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 @@ -1043,6 +1209,9 @@ 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 ;; @@ -1051,10 +1220,39 @@ 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 +if [[ "x$HAVE_GCC30" = "xyes" ]]; then + SAVED_CFLAGS="$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$EMULATED_PPC" = "xyes" ]]; then CPUSRCS="\ ../kpx_cpu/src/mathlib/ieeefp.cpp \ + ../kpx_cpu/src/mathlib/mathlib.cpp \ ../kpx_cpu/src/cpu/ppc/ppc-cpu.cpp \ ../kpx_cpu/src/cpu/ppc/ppc-decode.cpp \ ../kpx_cpu/src/cpu/ppc/ppc-execute.cpp \ @@ -1075,6 +1273,9 @@ if [[ "x$EMULATED_PPC" = "xyes" ]]; then i?86:elf) ac_cv_use_dyngen=yes ;; + powerpc:mach) + ac_cv_use_dyngen=yes + ;; *:*) ac_cv_use_dyngen=no ;; @@ -1092,7 +1293,7 @@ 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 ]) @@ -1100,14 +1301,19 @@ if [[ "x$EMULATED_PPC" = "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" + ;; + 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 -g0" + if [[ "x$HAVE_GCC30" = "xyes" ]]; then + DYNGEN_OP_FLAGS="$DYNGEN_OP_FLAGS -falign-functions=0" + else + DYNGEN_OP_FLAGS="$DYNGEN_OP_FLAGS -malign-functions=0" + fi + DYNGEN_OP_FLAGS="$DYNGEN_OP_FLAGS -finline-limit=10000 -fno-exceptions -g0" if [[ "x$HAVE_GCC30" = "xyes" ]]; then DYNGEN_OP_FLAGS="$DYNGEN_OP_FLAGS -fno-reorder-blocks -fno-optimize-sibling-calls" fi @@ -1133,7 +1339,7 @@ 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");