mirror of
https://github.com/kanjitalk755/macemu.git
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1759 lines
55 KiB
Plaintext
Executable File
1759 lines
55 KiB
Plaintext
Executable File
dnl Process this file with autoconf to produce a configure script.
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dnl Written in 2002 by Christian Bauer
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AC_INIT([SheepShaver], 2.4, [Christian.Bauer@uni-mainz.de], SheepShaver)
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AC_CONFIG_SRCDIR(main_unix.cpp)
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AC_PREREQ(2.52)
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AC_CONFIG_HEADER(config.h)
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AH_TOP(
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#ifndef CONFIG_H
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#define CONFIG_H
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)
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AH_BOTTOM(
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#endif /* CONFIG_H */
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)
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dnl Canonical system information.
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AC_CANONICAL_HOST
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AC_CANONICAL_TARGET
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dnl Some systems do not put corefiles in the currect directory, avoid saving
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dnl cores for the configure tests since some are intended to dump core.
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ulimit -c 0
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dnl Invite Cygwin users to build within the Windows/ directory
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case $target_os in
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*cygwin* | *mingw32*)
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AC_MSG_ERROR([You can only build the Windows version from its directory, Cygwin/X11 is not supported.])
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;;
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esac
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dnl Options.
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AC_ARG_ENABLE(jit, [ --enable-jit enable JIT compiler [default=yes]], [WANT_JIT=$enableval], [WANT_JIT=yes])
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AC_ARG_ENABLE(ppc-emulator, [ --enable-ppc-emulator use the selected PowerPC emulator [default=auto]], [WANT_EMULATED_PPC=$enableval], [WANT_EMULATED_PPC=auto])
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AC_ARG_ENABLE(fbdev-dga, [ --enable-fbdev-dga use direct frame buffer access via /dev/fb0 [default=yes]], [WANT_FBDEV_DGA=$enableval], [WANT_FBDEV_DGA=yes])
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AC_ARG_ENABLE(xf86-dga, [ --enable-xf86-dga use the XFree86 DGA extension [default=yes]], [WANT_XF86_DGA=$enableval], [WANT_XF86_DGA=yes])
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AC_ARG_ENABLE(xf86-vidmode, [ --enable-xf86-vidmode use the XFree86 VidMode extension [default=yes]], [WANT_XF86_VIDMODE=$enableval], [WANT_XF86_VIDMODE=yes])
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AC_ARG_ENABLE(vosf, [ --enable-vosf enable video on SEGV signals [default=no]], [WANT_VOSF=$enableval], [WANT_VOSF=no])
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AC_ARG_ENABLE(standalone-gui,[ --enable-standalone-gui enable a standalone GUI prefs editor [default=no]], [WANT_STANDALONE_GUI=$enableval], [WANT_STANDALONE_GUI=no])
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AC_ARG_WITH(esd, [ --with-esd support ESD for sound under Linux/FreeBSD [default=yes]], [WANT_ESD=$withval], [WANT_ESD=yes])
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AC_ARG_WITH(gtk, [ --with-gtk use GTK user interface [default=yes]],
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[case "$withval" in
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gtk1) WANT_GTK="gtk";;
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gtk|gtk2) WANT_GTK="$withval";;
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yes) WANT_GTK="gtk2 gtk";;
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*) WANT_GTK="no";;
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esac],
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[WANT_GTK="gtk2 gtk"])
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AC_ARG_WITH(mon, [ --with-mon use mon as debugger [default=yes]], [WANT_MON=$withval], [WANT_MON=yes])
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AC_ARG_WITH(dgcc, [ --with-dgcc=COMPILER use C++ COMPILER to compile synthetic opcodes or 'precompiled'], [DYNGEN_CC=$withval])
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AC_ARG_WITH(bincue,
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AS_HELP_STRING([--with-bincue], [Allow cdrom image files in bin/cue mode]))
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AC_ARG_WITH(libvhd,
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AS_HELP_STRING([--with-libvhd], [Enable VHD disk images]))
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dnl Addressing mode
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AC_ARG_ENABLE(addressing,
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[ --enable-addressing=AM set the addressing mode to use [default=real]],
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[case "$enableval" in
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real) WANT_ADDRESSING_MODE="real";;
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direct) WANT_ADDRESSING_MODE="direct";;
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direct,0x*) WANT_ADDRESSING_MODE="direct"; NATMEM_OFFSET=`echo "$enableval" | sed -n '/direct,\(0[[xX]][[0-9A-Fa-f]]*\([[UuLl]]\{1,2\}\)\?\)$/s//\1/p'`;;
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esac],
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[WANT_ADDRESSING_MODE="real"]
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)
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dnl SDL options.
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AC_ARG_ENABLE(sdl-static, [ --enable-sdl-static use SDL static libraries for linking [default=no]], [WANT_SDL_STATIC=$enableval], [WANT_SDL_STATIC=no])
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AC_ARG_ENABLE(sdl-video, [ --enable-sdl-video use SDL for video graphics [default=no]], [WANT_SDL_VIDEO=$enableval], [WANT_SDL_VIDEO=yes])
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AC_ARG_ENABLE(sdl-audio, [ --enable-sdl-audio use SDL for audio [default=no]], [WANT_SDL_AUDIO=$enableval], [WANT_SDL_AUDIO=yes])
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AC_ARG_ENABLE(sdl-framework, [ --enable-sdl-framework use SDL framework [default=no]], [WANT_SDL_FRAMEWORK=$enableval], [WANT_SDL_FRAMEWORK=no])
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AC_ARG_ENABLE(sdl-framework-prefix, [ --enable-sdl-framework-prefix=PFX default=/Library/Frameworks], [SDL_FRAMEWORK="$enableval"], [SDL_FRAMEWORK=/Library/Frameworks])
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AC_ARG_WITH(sdl1, [ --with-sdl1 use SDL 1.x, rather than SDL 2.x [default=no]], [WANT_SDL_VERSION_MAJOR=1], [])
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dnl Checks for programs.
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AC_PROG_CC
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AC_PROG_CPP
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AC_PROG_CXX
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AC_PROG_MAKE_SET
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AC_PROG_INSTALL
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AC_PROG_EGREP
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AC_PATH_PROGS(FILE, [file false])
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AC_PATH_PROG(PERL, [perl])
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dnl Check for PowerPC target CPU.
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HAVE_PPC=no
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AC_MSG_CHECKING(for PowerPC target CPU)
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AC_EGREP_CPP(yes,
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[
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#ifdef __powerpc__
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yes
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#endif
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#ifdef __ppc__
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yes
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#endif
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], [AC_MSG_RESULT(yes); HAVE_PPC=yes], AC_MSG_RESULT(no))
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dnl We use native CPU if possible.
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EMULATED_PPC=yes
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case $WANT_EMULATED_PPC in
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auto) [[ "x$HAVE_PPC" = "xyes" ]] && EMULATED_PPC=no;;
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no) EMULATED_PPC=no;;
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esac
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if [[ "x$EMULATED_PPC" = "xyes" ]]; then
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AC_DEFINE(EMULATED_PPC, 1, [Define if using a PowerPC CPU emulator.])
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fi
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dnl We use mon if possible.
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MONSRCS=
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case "x$WANT_MON" in
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x/* | x.*)
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mon_srcdir=$WANT_MON
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WANT_MON=yes
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;;
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xyes)
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mon_srcdir=../../../mon/src
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;;
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esac
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if [[ "x$WANT_MON" = "xyes" ]]; then
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AC_MSG_CHECKING(for mon)
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if grep mon_init $mon_srcdir/mon.h >/dev/null 2>/dev/null; then
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AC_MSG_RESULT(yes)
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AC_DEFINE(ENABLE_MON, 1, [Define if using "mon".])
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MONSRCS="$mon_srcdir/mon.cpp $mon_srcdir/mon_6502.cpp $mon_srcdir/mon_z80.cpp $mon_srcdir/mon_cmd.cpp $mon_srcdir/mon_lowmem.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 $mon_srcdir/disass/mips-dis.c $mon_srcdir/disass/mips-opc.c $mon_srcdir/disass/mips16-opc.c"
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CXXFLAGS="$CXXFLAGS -I$mon_srcdir -I$mon_srcdir/disass"
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AC_CHECK_LIB(ncurses, tgetent, ,
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[AC_CHECK_LIB(termcap, tgetent, ,
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[AC_CHECK_LIB(termlib, tgetent, ,
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[AC_CHECK_LIB(terminfo, tgetent, ,
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[AC_CHECK_LIB(Hcurses, tgetent, ,
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[AC_CHECK_LIB(curses, tgetent)])])])])])
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AC_CHECK_LIB(readline, readline)
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AC_CHECK_HEADERS(readline.h history.h readline/readline.h readline/history.h)
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else
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AC_MSG_RESULT(no)
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AC_MSG_WARN([Could not find mon, ignoring --with-mon.])
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WANT_MON=no
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fi
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fi
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AC_SUBST(MONSRCS)
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dnl Checks for libraries.
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AC_CHECK_LIB(posix4, sem_init)
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AC_CHECK_LIB(m, cos)
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dnl AC_CHECK_SDLFRAMEWORK($1=NAME, $2=INCLUDES, $3=ACTION_IF_SUCCESSFUL, $4=ACTION_IF_UNSUCCESSFUL)
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dnl AC_TRY_LINK uses main() but SDL needs main to take args,
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dnl therefore main is undefined with #undef.
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dnl Framework can be in an custom location.
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AC_DEFUN([AC_CHECK_SDLFRAMEWORK], [
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AS_VAR_PUSHDEF([ac_Framework], [ac_cv_framework_$1])
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AC_CACHE_CHECK([whether compiler supports framework $1],
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ac_Framework, [
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saved_LIBS="$LIBS"
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LIBS="$LIBS -framework $1"
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if [[ "x$SDL_FRAMEWORK" != "x/System/Library/Frameworks" ]]; then
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LIBS="$saved_LIBS -F$SDL_FRAMEWORK -framework $1"
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fi
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saved_CPPFLAGS="$CPPFLAGS"
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CPPFLAGS="$CPPFLAGS -I$SDL_FRAMEWORK/$1.framework/Headers"
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AC_TRY_LINK(
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[$2
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#undef main], [],
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[AS_VAR_SET(ac_Framework, yes); $3], [AS_VAR_SET(ac_Framework, no);
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LIBS="$saved_LIBS"; CPPFLAGS="$saved_CPPFLAGS"; $4]
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)
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])
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AS_IF([test AS_VAR_GET(ac_Framework) = yes],
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[AC_DEFINE(AS_TR_CPP(HAVE_FRAMEWORK_$1), 1, [Define if framework $1 is available.])]
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)
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AS_VAR_POPDEF([ac_Framework])
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])
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dnl Do we need SDL?
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WANT_SDL=no
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if [[ "x$WANT_SDL_VIDEO" = "xyes" ]]; then
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WANT_SDL=yes
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WANT_XF86_DGA=no
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WANT_XF86_VIDMODE=no
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WANT_FBDEV_DGA=no
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SDL_SUPPORT="$SDL_SUPPORT video"
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fi
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if [[ "x$WANT_SDL_AUDIO" = "xyes" ]]; then
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WANT_SDL=yes
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SDL_SUPPORT="$SDL_SUPPORT audio"
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fi
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if [[ "x$WANT_SDL" = "xyes" ]]; then
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if [[ "x$WANT_SDL_FRAMEWORK" = "xyes" ]]; then
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TEMP_WANT_SDL_VERSION_MAJOR=$WANT_SDL_VERSION_MAJOR
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if [[ "x$TEMP_WANT_SDL_VERSION_MAJOR" = "x" ]]; then
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TEMP_WANT_SDL_VERSION_MAJOR=2
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fi
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if [[ "x$TEMP_WANT_SDL_VERSION_MAJOR" = "x2" ]]; then
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AC_CHECK_SDLFRAMEWORK(SDL2, [#include <SDL.h>], [
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WANT_SDL_VERSION_MAJOR=2
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], [
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TEMP_WANT_SDL_VERSION_MAJOR=1
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])
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fi
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if [[ "x$TEMP_WANT_SDL_VERSION_MAJOR" = "x1" ]]; then
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AC_CHECK_SDLFRAMEWORK(SDL, [#include <SDL.h>], [
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WANT_SDL_VERSION_MAJOR=1
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])
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fi
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else
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ac_cv_framework_SDL=no
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fi
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if [[ "x$ac_cv_framework_SDL" = "xno" ]]; then
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TEMP_WANT_SDL_VERSION_MAJOR=$WANT_SDL_VERSION_MAJOR
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if [[ "x$TEMP_WANT_SDL_VERSION_MAJOR" = "x" ]]; then
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TEMP_WANT_SDL_VERSION_MAJOR=2
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fi
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if [[ "x$TEMP_WANT_SDL_VERSION_MAJOR" = "x2" ]]; then
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AC_PATH_PROG(sdl2_config, "sdl2-config")
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if [[ -n "$sdl2_config" ]]; then
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sdl2_cflags=`$sdl2_config --cflags`
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if [[ "x$WANT_SDL_STATIC" = "xyes" ]]; then
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sdl2_libs=`$sdl2_config --static-libs`
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else
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sdl2_libs=`$sdl2_config --libs`
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fi
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CFLAGS="$CFLAGS $sdl2_cflags"
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CXXFLAGS="$CXXFLAGS $sdl2_cflags"
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LIBS="$LIBS $sdl2_libs"
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WANT_SDL_VERSION_MAJOR=2
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else
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TEMP_WANT_SDL_VERSION_MAJOR=1
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fi
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fi
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if [[ "x$TEMP_WANT_SDL_VERSION_MAJOR" = "x1" ]]; then
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AC_PATH_PROG(sdl_config, "sdl-config")
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if [[ -n "$sdl_config" ]]; then
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sdl_cflags=`$sdl_config --cflags`
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if [[ "x$WANT_SDL_STATIC" = "xyes" ]]; then
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sdl_libs=`$sdl_config --static-libs`
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else
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sdl_libs=`$sdl_config --libs`
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fi
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CFLAGS="$CFLAGS $sdl_cflags"
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CXXFLAGS="$CXXFLAGS $sdl_cflags"
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LIBS="$LIBS $sdl_libs"
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WANT_SDL_VERSION_MAJOR=1
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else
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WANT_SDL=no
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WANT_SDL_VIDEO=no
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WANT_SDL_AUDIO=no
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fi
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fi
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fi
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SDL_SUPPORT=`echo "$SDL_SUPPORT" | sed -e "s/^ //"`
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else
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SDL_SUPPORT="none"
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fi
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dnl We need X11, if not using SDL.
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if [[ "x$WANT_SDL_VIDEO" != "xyes" ]]; then
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AC_PATH_XTRA
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if [[ "x$no_x" = "xyes" ]]; then
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AC_MSG_ERROR([You need X11 to run SheepShaver.])
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fi
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CFLAGS="$CFLAGS $X_CFLAGS"
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CXXFLAGS="$CXXFLAGS $X_CFLAGS"
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LIBS="$LIBS $X_PRE_LIBS $X_LIBS -lX11 -lXext $X_EXTRA_LIBS"
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fi
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dnl We need pthreads on non-PowerPC systems. Try libpthread first, then libc_r (FreeBSD), then PTL.
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HAVE_PTHREADS=yes
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case $EMULATED_PPC:$target_os in
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no:linux*|no:netbsd*)
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dnl We do have our own pthread_cancel() implementation
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AC_DEFINE(HAVE_PTHREAD_CANCEL, 1, [Define if you have the pthread_cancel function.])
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;;
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*:*)
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AC_CHECK_LIB(pthread, pthread_create, , [
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AC_CHECK_LIB(c_r, pthread_create, , [
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AC_CHECK_LIB(PTL, pthread_create, , [
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dnl XXX remove when no pthreads case is merged
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AC_MSG_ERROR([You need pthreads to run SheepShaver.])
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HAVE_PTHREADS=no
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])
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])
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])
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AC_CHECK_FUNCS(pthread_cancel)
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AC_CHECK_FUNCS(pthread_cond_init pthread_testcancel)
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AC_CHECK_FUNCS(pthread_mutexattr_setprotocol)
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AC_CHECK_FUNCS(pthread_mutexattr_settype)
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AC_CHECK_FUNCS(pthread_mutexattr_setpshared)
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dnl If POSIX.4 semaphores are not available, we emulate them with pthread mutexes.
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SEMSRC=
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AC_CHECK_FUNCS(sem_init, , [
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if test "x$HAVE_PTHREADS" = "xyes"; then
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SEMSRC=posix_sem.cpp
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fi
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])
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;;
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esac
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if [[ "x$HAVE_PTHREADS" = "xyes" ]]; then
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AC_DEFINE(HAVE_PTHREADS, 1, [Define if pthreads are available.])
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fi
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dnl We use FBDev DGA if possible.
|
|
if [[ "x$WANT_FBDEV_DGA" = "xyes" ]]; then
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AC_CHECK_HEADER(linux/fb.h, [
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AC_DEFINE(ENABLE_FBDEV_DGA, 1, [Define if using Linux fbdev extension.])
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], [
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AC_MSG_WARN([Could not find Linux FBDev extension, ignoring --enable-fbdev-dga.])
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WANT_FBDEV_DGA=no
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])
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fi
|
|
|
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dnl We use XFree86 DGA if possible.
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if [[ "x$WANT_XF86_DGA" = "xyes" ]]; then
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AC_CHECK_LIB(Xxf86dga, XF86DGAQueryExtension, [
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AC_DEFINE(ENABLE_XF86_DGA, 1, [Define if using XFree86 DGA extension.])
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|
LIBS="$LIBS -lXxf86dga"
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|
], [
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|
AC_MSG_WARN([Could not find XFree86 DGA extension, ignoring --enable-xf86-dga.])
|
|
WANT_XF86_DGA=no
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|
])
|
|
fi
|
|
|
|
dnl We use XFree86 VidMode if possible.
|
|
if [[ "x$WANT_XF86_VIDMODE" = "xyes" ]]; then
|
|
AC_CHECK_LIB(Xxf86vm, XF86VidModeQueryExtension, [
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|
AC_DEFINE(ENABLE_XF86_VIDMODE, 1, [Define if using XFree86 DGA extension.])
|
|
LIBS="$LIBS -lXxf86vm"
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|
], [
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|
AC_MSG_WARN([Could not find XFree86 VidMode extension, ignoring --enable-xf86-vidmode.])
|
|
WANT_XF86_VIDMODE=no
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|
])
|
|
fi
|
|
|
|
dnl We use GTK+ if possible.
|
|
UISRCS=../dummy/prefs_editor_dummy.cpp
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|
case "x$WANT_GTK" in
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|
xgtk2*)
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|
WANT_GTK=no
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|
AM_PATH_GTK_2_0(1.3.15, [
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|
GUI_CFLAGS="$GTK_CFLAGS"
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|
GUI_LIBS="$GTK_LIBS"
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|
WANT_GTK=gtk2
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|
], [
|
|
case "x${WANT_GTK}x" in
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|
*gtkx)
|
|
AC_MSG_WARN([Could not find GTK+ 2.0, trying with GTK+ 1.2.])
|
|
WANT_GTK=gtk
|
|
;;
|
|
*)
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|
AC_MSG_WARN([Could not find GTK+, disabling user interface.])
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|
WANT_GTK=no
|
|
;;
|
|
esac
|
|
])
|
|
;;
|
|
esac
|
|
if [[ "x$WANT_GTK" = "xgtk" ]]; then
|
|
WANT_GTK=no
|
|
AM_PATH_GTK(1.2.0, [
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|
GUI_CFLAGS="$GTK_CFLAGS"
|
|
GUI_LIBS="$GTK_LIBS"
|
|
WANT_GTK=gtk
|
|
], [
|
|
AC_MSG_WARN([Could not find GTK+, disabling user interface.])
|
|
])
|
|
fi
|
|
if [[ "x$WANT_GTK" != "xno" -a "x$WANT_STANDALONE_GUI" = "xno" ]]; then
|
|
AC_DEFINE(ENABLE_GTK, 1, [Define if using GTK.])
|
|
UISRCS=prefs_editor_gtk.cpp
|
|
fi
|
|
AC_SUBST(GUI_CFLAGS)
|
|
AC_SUBST(GUI_LIBS)
|
|
|
|
dnl Build external GUI if requested.
|
|
if [[ "$WANT_STANDALONE_GUI" != "yes" ]]; then
|
|
WANT_STANDALONE_GUI=no
|
|
fi
|
|
if [[ "$WANT_GTK" = "no" ]]; then
|
|
WANT_STANDALONE_GUI=no
|
|
fi
|
|
AC_SUBST(STANDALONE_GUI, [$WANT_STANDALONE_GUI])
|
|
|
|
dnl We use ESD if possible.
|
|
if [[ "x$WANT_ESD" = "xyes" ]]; then
|
|
WANT_ESD=no
|
|
AM_PATH_ESD(0.2.8, [
|
|
AC_DEFINE(ENABLE_ESD, 1, [Define is using ESD.])
|
|
CFLAGS="$CFLAGS $ESD_CFLAGS"
|
|
CXXFLAGS="$CXXFLAGS $ESD_CFLAGS"
|
|
LIBS="$LIBS $ESD_LIBS"
|
|
WANT_ESD=yes
|
|
], [
|
|
AC_MSG_WARN([Could not find ESD, disabling ESD support.])
|
|
])
|
|
fi
|
|
|
|
dnl We use 64-bit file size support if possible.
|
|
AC_SYS_LARGEFILE
|
|
|
|
dnl Checks for header files.
|
|
AC_HEADER_STDC
|
|
AC_HEADER_SYS_WAIT
|
|
AC_CHECK_HEADERS(malloc.h stdint.h)
|
|
AC_CHECK_HEADERS(mach/vm_map.h mach/mach_init.h sys/mman.h)
|
|
AC_CHECK_HEADERS(unistd.h fcntl.h byteswap.h dirent.h)
|
|
AC_CHECK_HEADERS(sys/socket.h sys/ioctl.h sys/filio.h sys/bitypes.h sys/wait.h)
|
|
AC_CHECK_HEADERS(sys/time.h sys/poll.h sys/select.h arpa/inet.h)
|
|
AC_CHECK_HEADERS(netinet/in.h linux/if.h linux/if_tun.h net/if.h net/if_tun.h, [], [], [
|
|
#ifdef HAVE_SYS_TYPES_H
|
|
#include <sys/types.h>
|
|
#endif
|
|
#ifdef HAVE_SYS_SOCKET_H
|
|
#include <sys/socket.h>
|
|
#endif
|
|
])
|
|
AC_CHECK_HEADERS(AvailabilityMacros.h)
|
|
AC_CHECK_HEADERS(IOKit/storage/IOBlockStorageDevice.h)
|
|
AC_CHECK_HEADERS(fenv.h)
|
|
AC_CHECK_HEADERS(sys/stropts.h stropts.h)
|
|
|
|
dnl Checks for typedefs, structures, and compiler characteristics.
|
|
AC_C_BIGENDIAN
|
|
AC_C_CONST
|
|
AC_C_INLINE
|
|
AC_CHECK_SIZEOF(short, 2)
|
|
AC_CHECK_SIZEOF(int, 4)
|
|
AC_CHECK_SIZEOF(long, 4)
|
|
AC_CHECK_SIZEOF(long long, 8)
|
|
AC_CHECK_SIZEOF(float, 4)
|
|
AC_CHECK_SIZEOF(double, 8)
|
|
AC_CHECK_SIZEOF(void *, 4)
|
|
AC_TYPE_OFF_T
|
|
AC_CHECK_TYPE(loff_t, off_t)
|
|
AC_TYPE_SIZE_T
|
|
AC_TYPE_SIGNAL
|
|
AC_HEADER_TIME
|
|
AC_STRUCT_TM
|
|
|
|
dnl Check whether sys/socket.h defines type socklen_t.
|
|
dnl (extracted from ac-archive/Miscellaneous)
|
|
AC_CACHE_CHECK([for socklen_t],
|
|
ac_cv_type_socklen_t, [
|
|
AC_TRY_COMPILE([
|
|
#include <sys/types.h>
|
|
#include <sys/socket.h>
|
|
], [socklen_t len = 42; return 0;],
|
|
ac_cv_type_socklen_t=yes, ac_cv_type_socklen_t=no,
|
|
dnl When cross-compiling, do not assume anything.
|
|
ac_cv_type_socklen_t="guessing no"
|
|
)
|
|
])
|
|
if [[ "x$ac_cv_type_socklen_t" != "xyes" ]]; then
|
|
AC_DEFINE(socklen_t, int, [Define to 'int' if <sys/types.h> doesn't define.])
|
|
fi
|
|
|
|
dnl 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, 1, [Define if sa_restorer is available in struct sigaction.])
|
|
fi
|
|
|
|
dnl Checks for library functions.
|
|
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(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)
|
|
|
|
dnl We need clock_gettime() for better performance but it may drag
|
|
dnl libpthread in, which we don't want for native ppc mode
|
|
case $EMULATED_PPC:$target_os in
|
|
no:linux*)
|
|
;;
|
|
*:*)
|
|
AC_SEARCH_LIBS(clock_gettime, [rt posix4])
|
|
AC_CHECK_FUNCS(clock_gettime clock_nanosleep)
|
|
;;
|
|
esac
|
|
|
|
dnl Check for headers and functions related to pty support (sshpty.c)
|
|
dnl From openssh-3.2.2p1 configure.ac
|
|
AC_CHECK_HEADERS(strings.h login.h sys/bsdtty.h sys/stat.h util.h pty.h)
|
|
AC_CHECK_FUNCS(_getpty vhangup strlcpy)
|
|
|
|
case "$host" in
|
|
*-*-hpux10.26)
|
|
disable_ptmx_check=yes
|
|
;;
|
|
*-*-linux*)
|
|
no_dev_ptmx=1
|
|
;;
|
|
mips-sony-bsd|mips-sony-newsos4)
|
|
AC_DEFINE(HAVE_NEWS4, 1, [Define if you are on NEWS-OS (additions from openssh-3.2.2p1, for sshpty.c).])
|
|
;;
|
|
*-*-sco3.2v4*)
|
|
no_dev_ptmx=1
|
|
;;
|
|
*-*-sco3.2v5*)
|
|
no_dev_ptmx=1
|
|
;;
|
|
*-*-cygwin*)
|
|
no_dev_ptmx=1
|
|
;;
|
|
*-*-darwin*)
|
|
no_dev_ptmx=1
|
|
;;
|
|
*-*-freebsd*)
|
|
no_dev_ptmx=1
|
|
;;
|
|
esac
|
|
|
|
if test -z "$no_dev_ptmx" ; then
|
|
if test "x$disable_ptmx_check" != "xyes" ; then
|
|
AC_CHECK_FILE([/dev/ptmx],
|
|
[
|
|
AC_DEFINE_UNQUOTED(HAVE_DEV_PTMX, 1, [Define if you have /dev/ptmx.])
|
|
have_dev_ptmx=1
|
|
]
|
|
)
|
|
fi
|
|
fi
|
|
AC_CHECK_FILE([/dev/ptc],
|
|
[
|
|
AC_DEFINE_UNQUOTED(HAVE_DEV_PTS_AND_PTC, 1, [Define if you have /dev/ptc.])
|
|
have_dev_ptc=1
|
|
]
|
|
)
|
|
dnl (end of code from openssh-3.2.2p1 configure.ac)
|
|
|
|
dnl Check for systems where POSIX-style non-blocking I/O (O_NONBLOCK)
|
|
dnl doesn't work or is unimplemented. On these systems (mostly older
|
|
dnl ones), use the old BSD-style FIONBIO approach instead. [tcl.m4]
|
|
AC_CACHE_CHECK([FIONBIO vs. O_NONBLOCK for non-blocking I/O],
|
|
ac_cv_nonblocking_io, [
|
|
case "$host" in
|
|
*-*-osf*)
|
|
ac_cv_nonblocking_io=FIONBIO
|
|
;;
|
|
*-*-sunos4*)
|
|
ac_cv_nonblocking_io=FIONBIO
|
|
;;
|
|
*-*-ultrix*)
|
|
ac_cv_nonblocking_io=FIONBIO
|
|
;;
|
|
*)
|
|
ac_cv_nonblocking_io=O_NONBLOCK
|
|
;;
|
|
esac
|
|
])
|
|
if [[ "$ac_cv_nonblocking_io" = "FIONBIO" ]]; then
|
|
AC_DEFINE(USE_FIONBIO, 1, [Define if BSD-style non-blocking I/O is to be used])
|
|
fi
|
|
|
|
dnl Check whether compiler supports byte bit-fields
|
|
AC_CACHE_CHECK([whether compiler supports byte bit-fields],
|
|
ac_cv_have_byte_bitfields, [
|
|
AC_LANG_SAVE
|
|
AC_LANG_CPLUSPLUS
|
|
AC_TRY_RUN([
|
|
struct A {
|
|
unsigned char b1:4;
|
|
unsigned char b2:4;
|
|
unsigned char c;
|
|
unsigned short s;
|
|
unsigned char a[4];
|
|
};
|
|
|
|
int main(void) {
|
|
A a;
|
|
return ! (sizeof(A) == 8 && &a.c == ((unsigned char *)&a + 1));
|
|
}],
|
|
[ac_cv_have_byte_bitfields=yes],
|
|
[ac_cv_have_byte_bitfields=no],
|
|
dnl When cross-compiling, assume only GCC supports this
|
|
[if [[ "$GCC" = "yes" ]]; then
|
|
ac_cv_have_byte_bitfields="guessing yes"
|
|
else
|
|
ac_cv_have_byte_bitfields="guessing no"
|
|
fi]
|
|
)
|
|
AC_LANG_RESTORE
|
|
])
|
|
|
|
dnl AC_CHECK_FRAMEWORK($1=NAME, $2=INCLUDES)
|
|
AC_DEFUN([AC_CHECK_FRAMEWORK], [
|
|
AS_VAR_PUSHDEF([ac_Framework], [ac_cv_framework_$1])dnl
|
|
AC_CACHE_CHECK([whether compiler supports framework $1],
|
|
ac_Framework, [
|
|
saved_LIBS="$LIBS"
|
|
LIBS="$LIBS -framework $1"
|
|
AC_TRY_LINK(
|
|
[$2], [],
|
|
[AS_VAR_SET(ac_Framework, yes)], [AS_VAR_SET(ac_Framework, no); LIBS="$saved_LIBS"]
|
|
)
|
|
])
|
|
AS_IF([test AS_VAR_GET(ac_Framework) = yes],
|
|
[AC_DEFINE(AS_TR_CPP(HAVE_FRAMEWORK_$1), 1, [Define if framework $1 is available.])]
|
|
)
|
|
AS_VAR_POPDEF([ac_Framework])dnl
|
|
])
|
|
|
|
dnl Check for some MacOS X frameworks
|
|
AC_CHECK_FRAMEWORK(Carbon, [#include <Carbon/Carbon.h>])
|
|
AC_CHECK_FRAMEWORK(IOKit, [#include <IOKit/IOKitLib.h>])
|
|
AC_CHECK_FRAMEWORK(CoreFoundation, [#include <CoreFoundation/CoreFoundation.h>])
|
|
AC_CHECK_FRAMEWORK(CoreAudio, [#include <CoreAudio/CoreAudio.h>])
|
|
AC_CHECK_FRAMEWORK(AudioUnit, [#include <AudioUnit/AudioUnit.h>])
|
|
AC_CHECK_FRAMEWORK(AudioToolbox, [#include <AudioToolbox/AudioToolbox.h>])
|
|
AC_CHECK_FRAMEWORK(AppKit, [])
|
|
|
|
dnl Select system-dependant sources.
|
|
SERIALSRC=serial_unix.cpp
|
|
ETHERSRC=../dummy/ether_dummy.cpp
|
|
SCSISRC=../dummy/scsi_dummy.cpp
|
|
AUDIOSRC=../dummy/audio_dummy.cpp
|
|
PREFSSRC=../dummy/prefs_dummy.cpp
|
|
EXTFSSRC=extfs_unix.cpp
|
|
EXTRASYSSRCS=
|
|
case "$target_os" in
|
|
linux*)
|
|
ETHERSRC=ether_unix.cpp
|
|
AUDIOSRC=audio_oss_esd.cpp
|
|
SCSISRC=Linux/scsi_linux.cpp
|
|
if [[ "x$EMULATED_PPC" = "xno" ]]; then
|
|
EXTRASYSSRCS="paranoia.cpp Linux/sheepthreads.c ppc_asm.S"
|
|
fi
|
|
;;
|
|
freebsd*)
|
|
ETHERSRC=ether_unix.cpp
|
|
;;
|
|
netbsd*)
|
|
ETHERSRC=ether_unix.cpp
|
|
if [[ "x$EMULATED_PPC" = "xno" ]]; then
|
|
EXTRASYSSRCS="paranoia.cpp NetBSD/sheepthreads.c ppc_asm.S"
|
|
fi
|
|
;;
|
|
darwin*)
|
|
ETHERSRC=ether_unix.cpp
|
|
if [[ "x$EMULATED_PPC" = "xno" ]]; then
|
|
EXTRASYSSRCS="paranoia.cpp ppc_asm.S"
|
|
fi
|
|
if [[ "x$ac_cv_framework_IOKit" = "xyes" -a "x$ac_cv_framework_CoreFoundation" = "xyes" ]]; then
|
|
EXTRASYSSRCS="$EXTRASYSSRCS ../MacOSX/sys_darwin.cpp"
|
|
fi
|
|
if [[ "x$ac_cv_framework_Carbon" = "xyes" ]]; then
|
|
EXTFSSRC=../MacOSX/extfs_macosx.cpp
|
|
if [[ "x$ac_cv_framework_AppKit" = "xyes" -a "x$WANT_GTK" = "xno" ]]; then
|
|
PREFSSRC="../MacOSX/prefs_macosx.mm ../MacOSX/Launcher/VMSettingsController.mm ../MacOSX/Launcher/DiskType.m"
|
|
CPPFLAGS="$CPPFLAGS -I../MacOSX/Launcher"
|
|
fi
|
|
fi
|
|
if [[ "x$WANT_ESD" = "xno" -a "x$ac_cv_framework_CoreAudio" = "xyes" -a "x$WANT_SDL_AUDIO" = "xno" ]]; then
|
|
AUDIOSRC="../MacOSX/audio_macosx.cpp ../MacOSX/AudioBackEnd.cpp ../MacOSX/AudioDevice.cpp ../MacOSX/MacOSX_sound_if.cpp"
|
|
OSX_CORE_AUDIO="-DOSX_CORE_AUDIO"
|
|
fi
|
|
;;
|
|
irix*)
|
|
AUDIOSRC=Irix/audio_irix.cpp
|
|
LIBS="$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 BINCUE
|
|
AS_IF([test "x$with_bincue" = "xyes" ], [have_bincue=yes], [have_bincue=no])
|
|
AS_IF([test "x$have_bincue" = "xyes" ], [
|
|
if [[ "xOSX_CORE_AUDIO" = "xno" -a "x$WANT_SDL_AUDIO"="xno" ]]; then
|
|
AC_MSG_ERROR([You need SDL or OSX Core Audio to use BINCUE support.])
|
|
AC_SUBST(USE_BINCUE, no)
|
|
else
|
|
CPPFLAGS="$CPPFLAGS -DBINCUE $OSX_CORE_AUDIO"
|
|
AC_SUBST(USE_BINCUE, yes)
|
|
fi
|
|
], [AC_SUBST(USE_BINCUE, no)])
|
|
|
|
dnl LIBVHD
|
|
AS_IF([test "x$with_libvhd" = "xyes" ], [have_libvhd=yes], [have_libvhd=no])
|
|
AS_IF([test "x$have_libvhd" = "xyes" ], [
|
|
CPPFLAGS="$CPPFLAGS -DHAVE_LIBVHD"
|
|
LIBS="$LIBS -lvhd"
|
|
case $target_os in
|
|
linux*)
|
|
LIBS="$LIBS -luuid"
|
|
esac
|
|
AC_CHECK_LIB(vhd, vhd_open)
|
|
AC_CHECK_LIB(vhd, vhd_io_read)
|
|
AC_CHECK_LIB(vhd, vhd_io_write)
|
|
AC_CHECK_LIB(vhd, vhd_close)
|
|
])
|
|
|
|
|
|
|
|
|
|
dnl Is the slirp library supported?
|
|
case "$ac_cv_have_byte_bitfields" in
|
|
yes|"guessing yes")
|
|
CAN_SLIRP=yes
|
|
ETHERSRC=ether_unix.cpp
|
|
;;
|
|
esac
|
|
if [[ -n "$CAN_SLIRP" ]]; 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$WANT_SDL" = "xyes" ]]; then
|
|
AC_DEFINE(USE_SDL, 1, [Define to enble SDL support.])
|
|
fi
|
|
if [[ "x$WANT_SDL_VIDEO" = "xyes" ]]; then
|
|
AC_DEFINE(USE_SDL_VIDEO, 1, [Define to enable SDL video graphics support.])
|
|
VIDEOSRCS="../SDL/video_sdl.cpp ../SDL/video_sdl2.cpp"
|
|
KEYCODES="../SDL/keycodes"
|
|
if [[ "x$ac_cv_framework_Carbon" = "xyes" ]]; then
|
|
AC_MSG_CHECKING([whether __LP64__ is defined])
|
|
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#if !defined(__LP64__)
|
|
# error __LP64__ not defined
|
|
#endif
|
|
]])],
|
|
[AC_MSG_RESULT(yes); LP64_DEFINED=yes],
|
|
[AC_MSG_RESULT(no)])
|
|
if [[ "x$LP64_DEFINED" = "xyes" ]]; then
|
|
EXTRASYSSRCS="$EXTRASYSSRCS ../MacOSX/clip_macosx64.mm ../pict.c"
|
|
else
|
|
EXTRASYSSRCS="$EXTRASYSSRCS ../MacOSX/clip_macosx.cpp"
|
|
fi
|
|
EXTRASYSSRCS="$EXTRASYSSRCS ../MacOSX/utils_macosx.mm"
|
|
CPPFLAGS="$CPPFLAGS -I../MacOSX"
|
|
else
|
|
EXTRASYSSRCS="$EXTRASYSSRCS ../dummy/clip_dummy.cpp"
|
|
if [[ "$WANT_GTK" != "no" ]]; then
|
|
LIBS="$LIBS -lX11"
|
|
fi
|
|
fi
|
|
else
|
|
VIDEOSRCS="video_x.cpp"
|
|
KEYCODES="keycodes"
|
|
EXTRASYSSRCS="$EXTRASYSSRCS clip_unix.cpp"
|
|
fi
|
|
if [[ "x$WANT_SDL_AUDIO" = "xyes" ]]; then
|
|
AC_DEFINE(USE_SDL_AUDIO, 1, [Define to enable SDL audio support])
|
|
AUDIOSRC="../SDL/audio_sdl.cpp"
|
|
fi
|
|
|
|
dnl BINCUE overrides
|
|
|
|
if [[ "x$have_bincue" = "xyes" ]]; then
|
|
EXTRASYSSRCS="$EXTRASYSSRCS bincue_unix.cpp"
|
|
fi
|
|
|
|
dnl libvhd overrides
|
|
|
|
if [[ "x$have_libvhd" = "xyes" ]]; then
|
|
EXTRASYSSRCS="$EXTRASYSSRCS vhd_unix.cpp"
|
|
fi
|
|
|
|
|
|
SYSSRCS="$VIDEOSRCS $EXTFSSRC $PREFSSRC $SERIALSRC $ETHERSRC $SCSISRC $AUDIOSRC $SEMSRC $UISRCS $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, 1, $3)
|
|
fi
|
|
])
|
|
|
|
dnl Check that the host supports TUN/TAP devices
|
|
AC_CACHE_CHECK([whether TUN/TAP is supported],
|
|
ac_cv_tun_tap_support, [
|
|
AC_TRY_COMPILE([
|
|
#if defined(HAVE_NETINET_IN_H)
|
|
#include <netinet/in.h>
|
|
#endif
|
|
#if defined(HAVE_LINUX_IF_H) && defined(HAVE_LINUX_IF_TUN_H)
|
|
#include <linux/if.h>
|
|
#include <linux/if_tun.h>
|
|
#endif
|
|
#if defined(HAVE_NET_IF_H) && defined(HAVE_NET_IF_TUN_H)
|
|
#include <net/if.h>
|
|
#include <net/if_tun.h>
|
|
#endif
|
|
], [
|
|
struct ifreq ifr;
|
|
memset(&ifr, 0, sizeof(ifr));
|
|
ifr.ifr_flags = IFF_TAP | IFF_NO_PI;
|
|
],
|
|
ac_cv_tun_tap_support=yes, ac_cv_tun_tap_support=no
|
|
)
|
|
])
|
|
AC_TRANSLATE_DEFINE(ENABLE_TUNTAP, "$ac_cv_tun_tap_support",
|
|
[Define if your system supports TUN/TAP devices.])
|
|
|
|
dnl Various checks if the system supports vm_allocate() and the like functions.
|
|
have_mach_vm=no
|
|
if [[ "x$ac_cv_func_vm_allocate" = "xyes" -a "x$ac_cv_func_vm_deallocate" = "xyes" -a \
|
|
"x$ac_cv_func_vm_protect" = "xyes" ]]; then
|
|
have_mach_vm=yes
|
|
fi
|
|
AC_TRANSLATE_DEFINE(HAVE_MACH_VM, "$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$have_mach_vm" = "xyes" ]]; then
|
|
|
|
AC_CACHE_CHECK([whether vm_protect works],
|
|
ac_cv_vm_protect_works, [
|
|
AC_LANG_SAVE
|
|
AC_LANG_CPLUSPLUS
|
|
ac_cv_vm_protect_works=yes
|
|
dnl First the tests that should segfault
|
|
for test_def in NONE_READ NONE_WRITE READ_WRITE; do
|
|
AC_TRY_RUN([
|
|
#define CONFIGURE_TEST_VM_MAP
|
|
#define TEST_VM_PROT_$test_def
|
|
#include "../CrossPlatform/vm_alloc.cpp"
|
|
], ac_cv_vm_protect_works=no, rm -f core,
|
|
dnl When cross-compiling, do not assume anything
|
|
ac_cv_vm_protect_works="guessing no"
|
|
)
|
|
done
|
|
AC_TRY_RUN([
|
|
#define CONFIGURE_TEST_VM_MAP
|
|
#define TEST_VM_PROT_RDWR_WRITE
|
|
#include "../CrossPlatform/vm_alloc.cpp"
|
|
], , ac_cv_vm_protect_works=no,
|
|
dnl When cross-compiling, do not assume anything
|
|
ac_cv_vm_protect_works="guessing no"
|
|
)
|
|
AC_LANG_RESTORE
|
|
]
|
|
)
|
|
|
|
dnl Remove support for vm_allocate() if vm_protect() does not work
|
|
if [[ "x$have_mach_vm" = "xyes" ]]; then
|
|
case $ac_cv_vm_protect_works in
|
|
*yes) have_mach_vm=yes;;
|
|
*no) have_mach_vm=no;;
|
|
esac
|
|
fi
|
|
AC_TRANSLATE_DEFINE(HAVE_MACH_VM, "$have_mach_vm",
|
|
[Define if your system has a working vm_allocate()-based memory allocator.])
|
|
|
|
fi dnl HAVE_MACH_VM
|
|
|
|
dnl Various checks if the system supports mmap() and the like functions.
|
|
dnl ... and Mach memory allocators are not supported
|
|
have_mmap_vm=no
|
|
if [[ "x$ac_cv_func_mmap" = "xyes" -a "x$ac_cv_func_munmap" = "xyes" -a \
|
|
"x$ac_cv_func_mprotect" = "xyes" ]]; then
|
|
if [[ "x$have_mach_vm" = "xno" ]]; then
|
|
have_mmap_vm=yes
|
|
fi
|
|
fi
|
|
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_cv_mmap_anon, [
|
|
AC_LANG_SAVE
|
|
AC_LANG_CPLUSPLUS
|
|
AC_TRY_RUN([
|
|
#define HAVE_MMAP_ANON
|
|
#define CONFIGURE_TEST_VM_MAP
|
|
#define TEST_VM_MMAP_ANON
|
|
#include "../CrossPlatform/vm_alloc.cpp"
|
|
], ac_cv_mmap_anon=yes, ac_cv_mmap_anon=no,
|
|
dnl When cross-compiling, do not assume anything.
|
|
ac_cv_mmap_anon="guessing no"
|
|
)
|
|
AC_LANG_RESTORE
|
|
]
|
|
)
|
|
AC_TRANSLATE_DEFINE(HAVE_MMAP_ANON, "$ac_cv_mmap_anon",
|
|
[Define if <sys/mman.h> defines MAP_ANON and mmap()'ing with MAP_ANON works.])
|
|
|
|
AC_CACHE_CHECK([whether mmap supports MAP_ANONYMOUS],
|
|
ac_cv_mmap_anonymous, [
|
|
AC_LANG_SAVE
|
|
AC_LANG_CPLUSPLUS
|
|
AC_TRY_RUN([
|
|
#define HAVE_MMAP_ANONYMOUS
|
|
#define CONFIGURE_TEST_VM_MAP
|
|
#define TEST_VM_MMAP_ANON
|
|
#include "../CrossPlatform/vm_alloc.cpp"
|
|
], ac_cv_mmap_anonymous=yes, ac_cv_mmap_anonymous=no,
|
|
dnl When cross-compiling, do not assume anything.
|
|
ac_cv_mmap_anonymous="guessing no"
|
|
)
|
|
AC_LANG_RESTORE
|
|
]
|
|
)
|
|
AC_TRANSLATE_DEFINE(HAVE_MMAP_ANONYMOUS, "$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_cv_mprotect_works, [
|
|
AC_LANG_SAVE
|
|
AC_LANG_CPLUSPLUS
|
|
ac_cv_mprotect_works=yes
|
|
dnl First the tests that should segfault
|
|
for test_def in NONE_READ NONE_WRITE READ_WRITE; do
|
|
AC_TRY_RUN([
|
|
#define CONFIGURE_TEST_VM_MAP
|
|
#define TEST_VM_PROT_$test_def
|
|
#include "../CrossPlatform/vm_alloc.cpp"
|
|
], ac_cv_mprotect_works=no, rm -f core,
|
|
dnl When cross-compiling, do not assume anything
|
|
ac_cv_mprotect_works="guessing no"
|
|
)
|
|
done
|
|
AC_TRY_RUN([
|
|
#define CONFIGURE_TEST_VM_MAP
|
|
#define TEST_VM_PROT_RDWR_WRITE
|
|
#include "../CrossPlatform/vm_alloc.cpp"
|
|
], , ac_cv_mprotect_works=no,
|
|
dnl When cross-compiling, do not assume anything
|
|
ac_cv_mprotect_works="guessing no"
|
|
)
|
|
AC_LANG_RESTORE
|
|
]
|
|
)
|
|
|
|
dnl Remove support for mmap() if mprotect() does not work
|
|
if [[ "x$have_mmap_vm" = "xyes" ]]; then
|
|
case $ac_cv_mprotect_works in
|
|
*yes) have_mmap_vm=yes;;
|
|
*no) have_mmap_vm=no;;
|
|
esac
|
|
fi
|
|
AC_TRANSLATE_DEFINE(HAVE_MMAP_VM, $have_mmap_vm,
|
|
[Define if your system has a working mmap()-based memory allocator.])
|
|
|
|
fi dnl HAVE_MMAP_VM
|
|
|
|
dnl Check if we can disable position-independent code
|
|
AC_CACHE_CHECK([how to disable position-independent code],
|
|
ac_cv_no_pie, [
|
|
ac_cv_no_pie='-Wl,-no_pie'
|
|
saved_LDFLAGS="$LDFLAGS"
|
|
LDFLAGS="$LDFLAGS $ac_cv_no_pie"
|
|
AC_TRY_LINK(,,,[ac_cv_no_pie="cannot"])
|
|
if [[ "$ac_cv_no_pie" = "cannot" ]]; then
|
|
LDFLAGS="$saved_LDFLAGS"
|
|
fi
|
|
])
|
|
|
|
dnl Check if we can modify the __PAGEZERO segment for use as Low Memory
|
|
AC_CACHE_CHECK([whether __PAGEZERO can be Low Memory area 0x0000-0x3000],
|
|
ac_cv_pagezero_hack, [
|
|
ac_cv_pagezero_hack=no
|
|
if AC_TRY_COMMAND([Darwin/testlmem.sh 0x3000]); then
|
|
ac_cv_pagezero_hack=yes
|
|
dnl might as well skip the test for mmap-able low memory
|
|
ac_cv_can_map_lm=no
|
|
fi
|
|
])
|
|
AC_TRANSLATE_DEFINE(PAGEZERO_HACK, "$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
|
|
AC_TRY_RUN([
|
|
#include "../CrossPlatform/vm_alloc.cpp"
|
|
int main(void) { /* returns 0 if we could map the lowmem globals */
|
|
volatile char * lm = 0;
|
|
if (vm_init() < 0) exit(1);
|
|
if (vm_acquire_fixed(0, 0x2000) < 0) exit(1);
|
|
lm[0] = 'z';
|
|
if (vm_release((char *)lm, 0x2000) < 0) exit(1);
|
|
vm_exit(); exit(0);
|
|
}
|
|
], ac_cv_can_map_lm=yes, ac_cv_can_map_lm=no,
|
|
dnl When cross-compiling, do not assume anything.
|
|
ac_cv_can_map_lm="guessing no"
|
|
)
|
|
AC_LANG_RESTORE
|
|
]
|
|
)
|
|
|
|
dnl Check 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
|
|
AC_TRY_RUN([
|
|
#include <stdlib.h>
|
|
#ifdef HAVE_UNISTD_H
|
|
#include <unistd.h>
|
|
#endif
|
|
#include <signal.h>
|
|
static int handled_signal = 0;
|
|
RETSIGTYPE sigusr1_handler(int) { handled_signal++; }
|
|
int main(void) { /* returns 0 if signals need not to be reinstalled */
|
|
signal(SIGUSR1, sigusr1_handler); raise(SIGUSR1); raise(SIGUSR1);
|
|
exit(handled_signal == 2);
|
|
}
|
|
], ac_cv_signal_need_reinstall=yes, ac_cv_signal_need_reinstall=no,
|
|
dnl When cross-compiling, do not assume anything.
|
|
ac_cv_signal_need_reinstall="guessing yes"
|
|
)
|
|
AC_LANG_RESTORE
|
|
]
|
|
)
|
|
AC_TRANSLATE_DEFINE(SIGNAL_NEED_REINSTALL, "$ac_cv_signal_need_reinstall",
|
|
[Define if your system requires signals to be reinstalled.])
|
|
|
|
dnl Check if sigaction handlers need to be reinstalled
|
|
AC_CACHE_CHECK([whether sigaction handlers need to be reinstalled],
|
|
ac_cv_sigaction_need_reinstall, [
|
|
AC_LANG_SAVE
|
|
AC_LANG_CPLUSPLUS
|
|
AC_TRY_RUN([
|
|
#include <stdlib.h>
|
|
#ifdef HAVE_UNISTD_H
|
|
#include <unistd.h>
|
|
#endif
|
|
#include <signal.h>
|
|
static int handled_signal = 0;
|
|
RETSIGTYPE sigusr1_handler(int) { handled_signal++; }
|
|
typedef RETSIGTYPE (*signal_handler)(int);
|
|
static signal_handler mysignal(int sig, signal_handler handler) {
|
|
struct sigaction old_sa;
|
|
struct sigaction new_sa;
|
|
new_sa.sa_handler = handler;
|
|
return ((sigaction(sig,&new_sa,&old_sa) < 0) ? SIG_IGN : old_sa.sa_handler);
|
|
}
|
|
int main(void) { /* returns 0 if signals need not to be reinstalled */
|
|
mysignal(SIGUSR1, sigusr1_handler); raise(SIGUSR1); raise(SIGUSR1);
|
|
exit(handled_signal == 2);
|
|
}
|
|
], ac_cv_sigaction_need_reinstall=yes, ac_cv_sigaction_need_reinstall=no,
|
|
dnl When cross-compiling, do not assume anything.
|
|
ac_cv_sigaction_need_reinstall="guessing yes"
|
|
)
|
|
AC_LANG_RESTORE
|
|
]
|
|
)
|
|
AC_TRANSLATE_DEFINE(SIGACTION_NEED_REINSTALL, "$ac_cv_sigaction_need_reinstall",
|
|
[Define if your system requires sigactions to be reinstalled.])
|
|
|
|
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_MACH_EXCEPTIONS 1
|
|
#define CONFIGURE_TEST_SIGSEGV_RECOVERY
|
|
#include "../CrossPlatform/vm_alloc.cpp"
|
|
#include "../CrossPlatform/sigsegv.cpp"
|
|
],
|
|
ac_cv_have_mach_exceptions=yes,
|
|
ac_cv_have_mach_exceptions=no,
|
|
dnl When cross-compiling, do not assume anything.
|
|
ac_cv_have_mach_exceptions=no
|
|
)
|
|
AC_LANG_RESTORE
|
|
]
|
|
)
|
|
if [[ "$ac_cv_have_mach_exceptions" = "yes" ]]; then
|
|
sigsegv_recovery=mach
|
|
fi
|
|
AC_TRANSLATE_DEFINE(HAVE_MACH_EXCEPTIONS, "$ac_cv_have_mach_exceptions",
|
|
[Define if your system supports Mach exceptions.])
|
|
|
|
dnl Check if Windows exceptions are supported.
|
|
AC_CACHE_CHECK([whether your system supports Windows exceptions],
|
|
ac_cv_have_win32_exceptions, [
|
|
AC_LANG_SAVE
|
|
AC_LANG_CPLUSPLUS
|
|
AC_TRY_RUN([
|
|
#define HAVE_WIN32_EXCEPTIONS 1
|
|
#define CONFIGURE_TEST_SIGSEGV_RECOVERY
|
|
#include "../CrossPlatform/vm_alloc.cpp"
|
|
#include "../CrossPlatform/sigsegv.cpp"
|
|
], [
|
|
sigsegv_recovery=win32
|
|
ac_cv_have_win32_exceptions=yes
|
|
],
|
|
ac_cv_have_win32_exceptions=no,
|
|
dnl When cross-compiling, do not assume anything.
|
|
ac_cv_have_win32_exceptions=no
|
|
)
|
|
AC_LANG_RESTORE
|
|
]
|
|
)
|
|
AC_TRANSLATE_DEFINE(HAVE_WIN32_EXCEPTIONS, "$ac_cv_have_win32_exceptions",
|
|
[Define if your system supports Windows exceptions.])
|
|
|
|
dnl Otherwise, check if extended signals are supported.
|
|
if [[ -z "$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 "../CrossPlatform/vm_alloc.cpp"
|
|
#include "../CrossPlatform/sigsegv.cpp"
|
|
],
|
|
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
|
|
]
|
|
)
|
|
if [[ "$ac_cv_have_extended_signals" = "yes" ]]; then
|
|
sigsegv_recovery=siginfo
|
|
fi
|
|
AC_TRANSLATE_DEFINE(HAVE_SIGINFO_T, "$ac_cv_have_extended_signals",
|
|
[Define if your system support extended signals.])
|
|
fi
|
|
|
|
dnl Otherwise, check for subterfuges.
|
|
if [[ -z "$sigsegv_recovery" ]]; then
|
|
AC_CACHE_CHECK([whether we then have a subterfuge for your system],
|
|
ac_cv_have_sigcontext_hack, [
|
|
AC_LANG_SAVE
|
|
AC_LANG_CPLUSPLUS
|
|
AC_TRY_RUN([
|
|
#define HAVE_SIGCONTEXT_SUBTERFUGE 1
|
|
#define CONFIGURE_TEST_SIGSEGV_RECOVERY
|
|
#include "../CrossPlatform/vm_alloc.cpp"
|
|
#include "../CrossPlatform/sigsegv.cpp"
|
|
],
|
|
ac_cv_have_sigcontext_hack=yes,
|
|
ac_cv_have_sigcontext_hack=no,
|
|
dnl When cross-compiling, do not assume anything.
|
|
ac_cv_have_sigcontext_hack=no
|
|
)
|
|
AC_LANG_RESTORE
|
|
])
|
|
if [[ "$ac_cv_have_sigcontext_hack" = "yes" ]]; then
|
|
sigsegv_recovery=sigcontext
|
|
fi
|
|
AC_TRANSLATE_DEFINE(HAVE_SIGCONTEXT_SUBTERFUGE, "$ac_cv_have_sigcontext_hack",
|
|
[Define if we know a hack to replace siginfo_t->si_addr member.])
|
|
fi
|
|
|
|
dnl Check if we can ignore the fault (instruction skipping in SIGSEGV handler)
|
|
AC_CACHE_CHECK([whether we can skip instruction in SIGSEGV handler],
|
|
ac_cv_have_skip_instruction, [
|
|
AC_LANG_SAVE
|
|
AC_LANG_CPLUSPLUS
|
|
AC_TRY_RUN([
|
|
#define HAVE_SIGSEGV_SKIP_INSTRUCTION 1
|
|
#define CONFIGURE_TEST_SIGSEGV_RECOVERY
|
|
#include "../CrossPlatform/vm_alloc.cpp"
|
|
#include "../CrossPlatform/sigsegv.cpp"
|
|
], ac_cv_have_skip_instruction=yes, ac_cv_have_skip_instruction=no,
|
|
dnl When cross-compiling, do not assume anything.
|
|
ac_cv_have_skip_instruction=no
|
|
)
|
|
AC_LANG_RESTORE
|
|
]
|
|
)
|
|
AC_TRANSLATE_DEFINE(HAVE_SIGSEGV_SKIP_INSTRUCTION, "$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 [[ -n "$sigsegv_recovery" ]]; then
|
|
CAN_VOSF=yes
|
|
fi
|
|
|
|
dnl Enable VOSF screen updates with this feature is requested and feasible
|
|
if [[ "x$WANT_VOSF" = "xyes" -a "x$CAN_VOSF" = "xyes" ]]; then
|
|
AC_DEFINE(ENABLE_VOSF, 1, [Define if using video enabled on SEGV signals.])
|
|
else
|
|
WANT_VOSF=no
|
|
fi
|
|
|
|
dnl Check addressing mode to use
|
|
AC_MSG_CHECKING([for addressing mode to use])
|
|
if [[ "$EMULATED_PPC" != "yes" ]]; then
|
|
if [[ "$WANT_ADDRESSING_MODE" != "real" ]]; then
|
|
AC_MSG_WARN([Running in native PowerPC mode, force use of Real Addressing.])
|
|
WANT_ADDRESSING_MODE="real"
|
|
fi
|
|
fi
|
|
if [[ "$WANT_ADDRESSING_MODE" = "direct" ]]; then
|
|
if [[ -n "$NATMEM_OFFSET" ]]; then
|
|
NATMEM_OFFSET_DEF="-DNATMEM_OFFSET=$NATMEM_OFFSET"
|
|
fi
|
|
AC_LANG_SAVE
|
|
AC_LANG_CPLUSPLUS
|
|
cat confdefs.h > conftest.$ac_ext
|
|
cat >> conftest.$ac_ext << EOF
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
#include "../CrossPlatform/vm_alloc.cpp"
|
|
|
|
int main(void)
|
|
{
|
|
if (vm_init() < 0)
|
|
return 1;
|
|
|
|
static const struct {
|
|
unsigned long base;
|
|
unsigned int size;
|
|
} ranges[[]] = {
|
|
{ 0x00000000, 0x0003000 },
|
|
{ 0x10000000, 0x2000000 },
|
|
{ 0x40800000, 0x0400000 },
|
|
{ 0x68070000, 0x0010000 },
|
|
{ 0x69000000, 0x0080000 },
|
|
{ 0x68ffe000, 0x0002000 },
|
|
{ 0x5fffe000, 0x0002000 },
|
|
{ 0x60000000, 0x0040000 },
|
|
};
|
|
const int n_ranges = sizeof(ranges)/ sizeof(ranges[[0]]);
|
|
|
|
#ifdef NATMEM_OFFSET
|
|
unsigned long ofs = NATMEM_OFFSET;
|
|
#else
|
|
for (unsigned long ofs = 0x10000000; ofs <= 0x90000000; ofs += 0x10000000)
|
|
#endif
|
|
for (int i = 0; i < n_ranges; i++) {
|
|
char *m = (char *)(ranges[[i]].base + ofs);
|
|
if (vm_acquire_fixed(m, ranges[[i]].size) != 0)
|
|
break;
|
|
memset(m, 0, ranges[[i]].size);
|
|
vm_release(m, ranges[[i]].size);
|
|
if (i == n_ranges - 1) {
|
|
if (sizeof(void *) == 8 && ofs > 0xffffffff)
|
|
printf("0x%lxul\n", ofs);
|
|
else
|
|
printf("0x%08x\n", ofs);
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
vm_exit();
|
|
return 1;
|
|
}
|
|
EOF
|
|
doit='$CXX conftest.$ac_ext -o conftest.$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS $LIBS $NATMEM_OFFSET_DEF >& AS_MESSAGE_LOG_FD'
|
|
if AC_TRY_EVAL(doit); then
|
|
NATMEM_OFFSET=`./conftest.$ac_exeext`
|
|
else
|
|
NATMEM_OFFSET=
|
|
fi
|
|
rm -f conftest*
|
|
AC_LANG_RESTORE
|
|
|
|
if [[ -z "$NATMEM_OFFSET" ]]; then
|
|
AC_MSG_ERROR([could not determine a sensible NATMEM_OFFSET value])
|
|
else
|
|
WANT_ADDRESSING_MODE="direct,$NATMEM_OFFSET"
|
|
AC_DEFINE_UNQUOTED(NATMEM_OFFSET, $NATMEM_OFFSET,
|
|
[Define constant offset for Mac address translation])
|
|
fi
|
|
fi
|
|
AC_MSG_RESULT($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 <<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 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
|
|
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)
|
|
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_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 GCC 4.0 or higher.
|
|
HAVE_GCC40=no
|
|
AC_MSG_CHECKING(for GCC 4.0 or higher)
|
|
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#if ! (__GNUC__ >= 4)
|
|
# error gcc < 4
|
|
typedef syntax error;
|
|
#endif
|
|
]])],
|
|
[AC_MSG_RESULT(yes); HAVE_GCC40=yes],
|
|
[AC_MSG_RESULT(no)])
|
|
|
|
dnl Check for ICC.
|
|
AC_MSG_CHECKING(for ICC)
|
|
HAVE_ICC=no
|
|
if $CXX -V -v 2>&1 | grep -q "Intel(R) C++ Compiler"; then
|
|
HAVE_ICC=yes
|
|
fi
|
|
AC_MSG_RESULT($HAVE_ICC)
|
|
|
|
dnl Determine the generated object format
|
|
AC_CACHE_CHECK([the format of compiler generated objects],
|
|
ac_cv_object_format, [
|
|
echo 'int i;' > conftest.$ac_ext
|
|
ac_cv_object_format=no
|
|
if AC_TRY_EVAL(ac_compile); then
|
|
case `/usr/bin/file conftest.$ac_objext` in
|
|
*"ELF"*)
|
|
ac_cv_object_format=elf
|
|
;;
|
|
*"Mach-O"*)
|
|
ac_cv_object_format=mach
|
|
;;
|
|
*)
|
|
ac_cv_object_format=unknown
|
|
;;
|
|
esac
|
|
fi
|
|
rm -rf conftest*
|
|
])
|
|
|
|
dnl Add -fno-strict-aliasing for slirp sources
|
|
if [[ "x$HAVE_GCC30" = "xyes" ]]; then
|
|
SAVED_CFLAGS="$CFLAGS"
|
|
CFLAGS="$CFLAGS -fno-strict-aliasing"
|
|
AC_CACHE_CHECK([whether the compiler supports -fno-strict-aliasing],
|
|
ac_cv_gcc_no_strict_aliasing, [
|
|
AC_TRY_COMPILE([],[],[ac_cv_gcc_no_strict_aliasing=yes],[ac_cv_gcc_no_strict_aliasing=no])
|
|
])
|
|
if [[ "x$ac_cv_gcc_no_strict_aliasing" = "xyes" ]]; then
|
|
AC_SUBST(SLIRP_CFLAGS, "-fno-strict-aliasing")
|
|
fi
|
|
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$EMULATED_PPC" = "xyes" ]]; then
|
|
CPUSRCS="\
|
|
../kpx_cpu/src/mathlib/ieeefp.cpp \
|
|
../kpx_cpu/src/mathlib/mathlib.cpp \
|
|
../kpx_cpu/src/cpu/ppc/ppc-cpu.cpp \
|
|
../kpx_cpu/src/cpu/ppc/ppc-decode.cpp \
|
|
../kpx_cpu/src/cpu/ppc/ppc-execute.cpp \
|
|
../kpx_cpu/src/cpu/ppc/ppc-translate.cpp \
|
|
../kpx_cpu/src/utils/utils-cpuinfo.cpp"
|
|
CPPFLAGS="$CPPFLAGS -I../kpx_cpu/include -I../kpx_cpu/src"
|
|
|
|
dnl Enable JIT compiler, if possible
|
|
if [[ "x$WANT_JIT" = "xyes" ]]; then
|
|
ac_cv_use_dyngen_precompiled=no
|
|
AC_CACHE_CHECK([whether dyngen can be used],
|
|
ac_cv_use_dyngen, [
|
|
case $host_cpu:$ac_cv_object_format in
|
|
powerpc:elf)
|
|
ac_cv_use_dyngen=yes
|
|
;;
|
|
x86_64:elf)
|
|
ac_cv_use_dyngen=yes
|
|
;;
|
|
i?86:elf)
|
|
ac_cv_use_dyngen=yes
|
|
;;
|
|
mips:elf)
|
|
ac_cv_use_dyngen=yes
|
|
;;
|
|
powerpc:mach)
|
|
ac_cv_use_dyngen=yes
|
|
;;
|
|
x86_64:mach)
|
|
ac_cv_use_dyngen=yes
|
|
;;
|
|
i?86:mach)
|
|
ac_cv_use_dyngen=yes
|
|
;;
|
|
*:*)
|
|
ac_cv_use_dyngen=no
|
|
;;
|
|
esac
|
|
dnl Check for a suitable synthetic opcodes compiler (icc is faking itself as gcc 3.2.2)
|
|
if [[ -z "$DYNGEN_CC" ]]; then
|
|
if [[ "x$HAVE_GCC27" = "xyes" -a "x$HAVE_GCC40" = "xno" -a "x$HAVE_ICC" = "xno" ]]; then
|
|
DYNGEN_CC=$CXX
|
|
elif command -v g++ >/dev/null; then
|
|
vers=`g++ -dumpversion`
|
|
function version { echo "$@" | awk -F. '{ printf("%d%03d%03d%03d\n", $1,$2,$3,$4); }'; }
|
|
if [[ $(version $vers) -ge $(version "2.7.0") ]] && [[ $(version $vers) -lt $(version "4.0.0") ]]; then
|
|
DYNGEN_CC="$gxx"
|
|
fi
|
|
fi
|
|
fi
|
|
if [[ -z "$DYNGEN_CC" -o "x$DYNGEN_CC" = "xprecompiled" ]]; then
|
|
case $host_cpu in
|
|
i?86)
|
|
ac_cv_use_dyngen_precompiled=yes
|
|
;;
|
|
x86_64)
|
|
ac_cv_use_dyngen_precompiled=yes
|
|
;;
|
|
*)
|
|
ac_cv_use_dyngen=no
|
|
;;
|
|
esac
|
|
fi
|
|
if [[ "x$ac_cv_use_dyngen_precompiled" = "xyes" ]]; then DYNGEN_CC=precompiled; fi
|
|
])
|
|
if [[ "x$ac_cv_use_dyngen" = "xyes" ]]; then
|
|
case $host_cpu in
|
|
i?86)
|
|
DYNGEN_OP_FLAGS="-fomit-frame-pointer"
|
|
;;
|
|
mips)
|
|
DYNGEN_OP_FLAGS="-fno-delayed-branch -mno-abicalls"
|
|
;;
|
|
powerpc)
|
|
if [[ "x$ac_cv_object_format" = "xmach" ]]; then
|
|
DYNGEN_OP_FLAGS="-mdynamic-no-pic"
|
|
fi
|
|
;;
|
|
esac
|
|
have_dyngen_gcc3=no
|
|
if [[ "$DYNGEN_CC" != "precompiled" ]]; then
|
|
case "x`$DYNGEN_CC -dumpversion`" in
|
|
x[12].*) ;;
|
|
x*) have_dyngen_gcc3=yes ;;
|
|
esac
|
|
else
|
|
case "x`$CXX -dumpversion`" in
|
|
x[12].*) ;;
|
|
x*) have_dyngen_gcc3=yes ;;
|
|
esac
|
|
fi
|
|
if [[ "x$have_dyngen_gcc3" = "xyes" ]]; then
|
|
DYNGEN_OP_FLAGS="$DYNGEN_OP_FLAGS -fno-align-functions"
|
|
else
|
|
DYNGEN_OP_FLAGS="$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
|
|
AC_TRANSLATE_DEFINE(ENABLE_DYNGEN, $ac_cv_use_dyngen, [Define to enable dyngen engine])
|
|
if [[ "x$WANT_JIT" = "xyes" ]]; then
|
|
DYNGENSRCS="\
|
|
../kpx_cpu/src/cpu/jit/dyngen.c \
|
|
../kpx_cpu/src/cpu/jit/cxxdemangle.cpp"
|
|
CPUSRCS="\
|
|
../kpx_cpu/src/cpu/jit/jit-cache.cpp \
|
|
../kpx_cpu/src/cpu/jit/basic-dyngen.cpp \
|
|
../kpx_cpu/src/cpu/ppc/ppc-dyngen.cpp \
|
|
../kpx_cpu/src/cpu/ppc/ppc-jit.cpp $CPUSRCS"
|
|
fi
|
|
fi
|
|
CPUSRCS="$CPUSRCS ../kpx_cpu/sheepshaver_glue.cpp ../kpx_cpu/ppc-dis.c"
|
|
else
|
|
WANT_JIT=no
|
|
fi
|
|
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 Check for linker script support
|
|
case $target_os:$target_cpu in
|
|
linux*:i?86) LINKER_SCRIPT_FLAGS="-Wl,-T,ldscripts/linux-i386.ld";;
|
|
linux*:x86_64) LINKER_SCRIPT_FLAGS="-Wl,-T,ldscripts/linux-x86_64.ld";;
|
|
linux*:powerpc) LINKER_SCRIPT_FLAGS="-Wl,-T,ldscripts/linux-ppc.ld";;
|
|
netbsd*:i?86) LINKER_SCRIPT_FLAGS="-Wl,-T,ldscripts/linux-i386.ld";;
|
|
freebsd*:i?86) LINKER_SCRIPT_FLAGS="-Wl,-T,ldscripts/freebsd-i386.ld";;
|
|
darwin*:*) LINKER_SCRIPT_FLAGS="-Wl,-seg1addr,0x78048000";;
|
|
esac
|
|
if [[ -n "$LINKER_SCRIPT_FLAGS" ]]; then
|
|
AC_CACHE_CHECK([whether linker script is usable],
|
|
ac_cv_linker_script_works, [
|
|
AC_LANG_SAVE
|
|
AC_LANG_CPLUSPLUS
|
|
saved_LDFLAGS="$LDFLAGS"
|
|
LDFLAGS="$LDFLAGS $LINKER_SCRIPT_FLAGS"
|
|
AC_TRY_RUN(
|
|
[int main() {if ((char *)&main < (char *)0x70000000) return 1;}],
|
|
[ac_cv_linker_script_works=yes],
|
|
[ac_cv_linker_script_works=no],
|
|
dnl When cross-compiling, assume it works
|
|
[ac_cv_linker_script_works="guessing yes"]
|
|
)
|
|
AC_LANG_RESTORE
|
|
if [[ "$ac_cv_linker_script_works" = "no" ]]; then
|
|
LDFLAGS="$saved_LDFLAGS"
|
|
LINKER_SCRIPT_FLAGS=""
|
|
fi
|
|
])
|
|
fi
|
|
AC_TRANSLATE_DEFINE(HAVE_LINKER_SCRIPT, "$ac_cv_linker_script_works",
|
|
[Define if there is a linker script to relocate the executable above 0x70000000.])
|
|
|
|
dnl Generate Makefile.
|
|
AC_SUBST(PERL)
|
|
AC_SUBST(USE_DYNGEN, [$ac_cv_use_dyngen])
|
|
AC_SUBST(USE_DYNGEN_PRECOMPILED, [$ac_cv_use_dyngen_precompiled])
|
|
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)
|
|
AC_SUBST(BLESS)
|
|
AC_SUBST(KEYCODES)
|
|
AC_OUTPUT([
|
|
Makefile
|
|
../MacOSX/Info.plist
|
|
])
|
|
|
|
dnl Print summary.
|
|
echo
|
|
echo SheepShaver configuration summary:
|
|
echo
|
|
echo SDL support ...................... : $SDL_SUPPORT
|
|
echo SDL major-version ................ : $WANT_SDL_VERSION_MAJOR
|
|
echo BINCUE support ................... : $have_bincue
|
|
echo LIBVHD support ................... : $have_libvhd
|
|
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
|
|
echo Enable JIT compiler .............. : $WANT_JIT
|
|
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 Addressing mode .................. : $WANT_ADDRESSING_MODE
|
|
echo Bad memory access recovery type .. : $sigsegv_recovery
|
|
echo
|
|
echo "Configuration done. Now type \"make\"."
|