--- BasiliskII/src/Unix/configure.in	1999/10/15 14:50:37	1.6
+++ BasiliskII/src/Unix/configure.in	2000/07/13 16:12:31	1.20
@@ -6,10 +6,12 @@ AC_PREREQ(2.12)
 AC_CONFIG_HEADER(config.h)
 
 dnl Options.
-WANT_DGA=yes
-WANT_UI=yes
-AC_ARG_ENABLE(dga, [  --enable-dga            use the DGA extension (default)], [WANT_DGA=$enableval], [])
-AC_ARG_ENABLE(ui,  [  --enable-ui             use GTK user interface (default)], [WANT_UI=$enableval], [])
+AC_ARG_ENABLE(xf86-dga,      [  --enable-xf86-dga       use the XFree86 DGA extension [default=yes]], [WANT_XF86_DGA=$enableval], [WANT_XF86_DGA=yes])
+AC_ARG_ENABLE(xf86-vidmode,  [  --enable-xf86-vidmode   use the XFree86 VidMode extension [default=yes]], [WANT_XF86_VIDMODE=$enableval], [WANT_XF86_VIDMODE=yes])
+AC_ARG_ENABLE(fbdev-dga,     [  --enable-fbdev-dga      use direct frame buffer access via /dev/fb [default=yes]], [WANT_FBDEV_DGA=$enableval], [WANT_FBDEV_DGA=yes])
+AC_ARG_WITH(esd,             [  --with-esd              support ESD for sound under Linux/FreeBSD [default=yes]], [WANT_ESD=$withval], [WANT_ESD=yes])
+AC_ARG_WITH(gtk,             [  --with-gtk              use GTK user interface [default=yes]], [WANT_GTK=$withval], [WANT_GTK=yes])
+AC_ARG_WITH(mon,             [  --with-mon              use mon as debugger [default=yes]], [WANT_MON=$withval], [WANT_MON=yes])
 
 dnl Checks for programs.
 AC_PROG_CC
@@ -18,76 +20,144 @@ AC_PROG_CXX
 AC_PROG_MAKE_SET
 AC_PROG_INSTALL
 
+dnl Check for i386 target CPU.
+HAVE_I386=no
+AC_MSG_CHECKING(for x86 target CPU)
+AC_EGREP_CPP(yes,
+[
+#ifdef __i386__
+  yes
+#endif
+], [AC_MSG_RESULT(yes); HAVE_I386=yes], AC_MSG_RESULT(no))
+
+dnl Check for SPARC target CPU.
+HAVE_SPARC=no
+AC_MSG_CHECKING(for SPARC target CPU)
+AC_EGREP_CPP(yes,
+[
+#ifdef __sparc__
+  yes
+#endif
+], [AC_MSG_RESULT(yes); HAVE_SPARC=yes], AC_MSG_RESULT(no))
+
+dnl Check for m68k target CPU.
+HAVE_M68K=no
+AC_MSG_CHECKING(for m68k target CPU)
+AC_EGREP_CPP(yes,
+[
+#ifdef __m68k__
+  yes
+#endif
+], [AC_MSG_RESULT(yes); HAVE_M68K=yes], AC_MSG_RESULT(no))
+
+dnl We use mon if possible.
+MONSRCS=
+if [[ "x$WANT_MON" = "xyes" ]]; then
+  AC_MSG_CHECKING(for mon)
+  if grep mon_init ../../../mon/src/mon.h >/dev/null 2>/dev/null; then
+    AC_MSG_RESULT(yes)
+    AC_DEFINE(ENABLE_MON)
+    MONSRCS="../../../mon/src/mon.cpp ../../../mon/src/mon_6502.cpp ../../../mon/src/mon_68k.cpp ../../../mon/src/mon_8080.cpp ../../../mon/src/mon_cmd.cpp ../../../mon/src/mon_ppc.cpp ../../../mon/src/mon_x86.cpp"
+    CXXFLAGS="$CXXFLAGS -I../../../mon/src"
+    AC_CHECK_LIB(readline, readline)
+    AC_CHECK_LIB(termcap, tputs)
+    AC_CHECK_HEADERS(readline.h history.h readline/readline.h readline/history.h)
+  else
+    AC_MSG_RESULT(no)
+    AC_MSG_WARN([Could not find mon, ignoring --with-mon.])
+    WANT_MON=no
+  fi
+fi
+
 dnl Checks for libraries.
+AC_CHECK_LIB(posix4, sem_init)
+
+dnl We need X11.
 AC_PATH_XTRA
 if [[ "x$no_x" = "xyes" ]]; then
   AC_MSG_ERROR([You need X11 to run Basilisk II.])
 fi
-
 CFLAGS="$CFLAGS $X_CFLAGS"
 CXXFLAGS="$CXXFLAGS $X_CFLAGS"
 LIBS="$LIBS $X_PRE_LIBS $X_LIBS -lX11 -lXext $X_EXTRA_LIBS"
-STATICLIBS=
 
-dnl We need pthreads.
-AC_CHECK_LIB(pthread, pthread_create, HAVE_PTHREADS=yes, HAVE_PTHREADS=no)
-if [[ "x$HAVE_PTHREADS" = "xno" ]]; then
-  dnl Check even the libc_r (FreeBSD)
-  AC_CHECK_LIB(c_r, pthread_create, HAVE_PTHREADS=yes, HAVE_PTHREADS=no)
-  if [[ "x$HAVE_PTHREADS" = "xno" ]]; then
-    dnl Or maybe the user has PTL (NetBSD)
-    AC_CHECK_LIB(PTL, pthread_create, HAVE_PTHREADS=yes, HAVE_PTHREADS=no)
-    if [[ "x$HAVE_PTHREADS" = "xno" ]]; then
-      AC_MSG_ERROR([You need pthreads to run Basilisk II.])
-    else
-      LIBS="$LIBS -lPTL"
-    fi
-  else
-     LIBS="$LIBS -lc_r"
-  fi
-else
-  LIBS="$LIBS -lpthread"
+dnl We want pthreads. Try libpthread first, then libc_r (FreeBSD), then PTL.
+HAVE_PTHREADS=yes
+AC_CHECK_LIB(pthread, pthread_create, , [
+  AC_CHECK_LIB(c_r, pthread_create, , [
+    AC_CHECK_LIB(PTL, pthread_create, , [
+      HAVE_PTHREADS=no
+    ])
+  ])
+])
+if [[ "x$HAVE_PTHREADS" = "xyes" ]]; then
+  AC_DEFINE(HAVE_PTHREADS)
 fi
 AC_CHECK_FUNCS(pthread_cancel)
 
-dnl We use DGA if possible.
-if [[ "x$WANT_DGA" = "xyes" ]]; then
-  AC_CHECK_LIB(Xxf86dga, XF86DGAQueryExtension, HAVE_DGA=yes, HAVE_DGA=no)
-  if [[ "x$HAVE_DGA" = "xno" ]]; then
-    AC_MSG_WARN([Could not find DGA extension, ignoring --enable-dga.])
-  else
-    DEFINES="$DEFINES -DENABLE_DGA=1"
-    LIBS="$LIBS -lXxf86dga"
+dnl If POSIX.4 semaphores are not available, we emulate them with pthread mutexes.
+SEMSRC=
+AC_CHECK_FUNCS(sem_init, , [
+  if [ "x$HAVE_PTHREADS" = "xyes" ]; then
+    SEMSRC=posix_sem.cpp
   fi
+])
+
+dnl We use DGA (XFree86 or fbdev) if possible.
+if [[ "x$WANT_XF86_DGA" = "xyes" ]]; then
+  AC_CHECK_LIB(Xxf86dga, XF86DGAQueryExtension, [
+    AC_DEFINE(ENABLE_XF86_DGA)
+    LIBS="$LIBS -lXxf86dga"
+    if [[ "x$WANT_FBDEV_DGA" = "xyes" ]]; then
+      AC_MSG_WARN([Cannot have both --enable-xf86-dga and --enable-fbdev-dga, ignoring --enable-fbdev-dga.])
+      WANT_FBDEV_DGA=no
+    fi
+  ], [
+    AC_MSG_WARN([Could not find XFree86 DGA extension, ignoring --enable-xf86-dga.])
+    WANT_XF86_DGA=no
+  ])
+fi
+if [[ "x$WANT_FBDEV_DGA" = "xyes" ]]; then
+  AC_DEFINE(ENABLE_FBDEV_DGA)
+fi
+
+dnl We use XFree86 VidMode if possible.
+if [[ "x$WANT_XF86_VIDMODE" = "xyes" ]]; then
+  AC_CHECK_LIB(Xxf86vm, XF86VidModeQueryExtension, [
+    AC_DEFINE(ENABLE_XF86_VIDMODE)
+    LIBS="$LIBS -lXxf86vm"
+  ], [
+    AC_MSG_WARN([Could not find XFree86 VidMode extension, ignoring --enable-xf86-vidmode.])
+    WANT_XF86_VIDMODE=no
+  ])
 fi
 
 dnl We use GTK+ if possible.
-if [[ "x$WANT_UI" = "xyes" ]]; then
-  AM_PATH_GTK(1.2.0)
-  if [[ "x$no_gtk" = "xyes" ]]; then
-    echo "Did not find gtk+, disabling user interface."
-    WANT_UI=no
-    GTK_CFLAGS=
-    GTK_LIBS=
-  else
-    DEFINES="$DEFINES -DENABLE_GTK=1"
-  fi
-  CFLAGS="$CFLAGS $GTK_CFLAGS"
-  CXXFLAGS="$CXXFLAGS $GTK_CFLAGS"
-  LIBS="$LIBS $GTK_LIBS"
+UISRCS=../dummy/prefs_editor_dummy.cpp
+if [[ "x$WANT_GTK" = "xyes" ]]; then
+  AM_PATH_GTK(1.2.0, [
+    AC_DEFINE(ENABLE_GTK)
+    CFLAGS="$CFLAGS $GTK_CFLAGS"
+    CXXFLAGS="$CXXFLAGS $GTK_CFLAGS"
+    LIBS="$LIBS $GTK_LIBS"
+    UISRCS=prefs_editor_gtk.cpp
+  ], [
+    AC_MSG_WARN([Could not find GTK+, disabling user interface.])
+    WANT_GTK=no
+  ])
 fi
 
-dnl We need POSIX.4 semaphores (and other POSIX.4 blessings).
-SEMSRCS=
-AC_CHECK_FUNCS(sem_init)
-if [[ "x$ac_cv_func_sem_init" = "xno" ]]; then
-  AC_CHECK_LIB(posix4, sem_init, HAVE_LIBPOSIX4=yes, HAVE_LIBPOSIX4=no)
-  if [[ "x$HAVE_LIBPOSIX4" = "xno" ]]; then
-    dnl Emulate semaphores with pthread mutexes
-    SEMSRCS="posix_sem.cpp"
-  else
-    LIBS="$LIBS -lposix4"
-  fi
+dnl We use ESD if possible.
+if [[ "x$WANT_ESD" = "xyes" ]]; then
+  AM_PATH_ESD(0.2.8, [
+    AC_DEFINE(ENABLE_ESD)
+    CFLAGS="$CFLAGS $ESD_CFLAGS"
+    CXXFLAGS="$CXXFLAGS $ESD_CFLAGS"
+    LIBS="$LIBS $ESD_LIBS"
+  ], [
+    AC_MSG_WARN([Could not find ESD, disabling ESD support.])
+    WANT_ESD=no
+  ])
 fi
 
 dnl Checks for header files.
@@ -113,81 +183,81 @@ AC_CHECK_FUNCS(strdup cfmakeraw)
 AC_CHECK_FUNCS(nanosleep clock_gettime timer_create)
 
 dnl Select system-dependant source files.
-SYSSRCS="../dummy/ether_dummy.cpp ../dummy/scsi_dummy.cpp ../dummy/audio_dummy.cpp"
-if MACHINE=`uname -a 2>/dev/null`; then
+SERIALSRC=serial_unix.cpp
+ETHERSRC=../dummy/ether_dummy.cpp
+SCSISRC=../dummy/scsi_dummy.cpp
+AUDIOSRC=../dummy/audio_dummy.cpp
+EXTRASYSSRCS=
+SUPPORTS_NATIVE_M68K=no
+if MACHINE=`uname -s 2>/dev/null`; then
   case "$MACHINE" in
   Linux*)
-    SYSSRCS="Linux/ether_linux.cpp Linux/scsi_linux.cpp Linux/audio_linux.cpp"
+    ETHERSRC=Linux/ether_linux.cpp
+    SCSISRC=Linux/scsi_linux.cpp
+    AUDIOSRC=audio_oss_esd.cpp
     ;;
   FreeBSD*3.*)
+    AUDIOSRC=audio_oss_esd.cpp
+    DEFINES="$DEFINES -DBSD_COMP"
     dnl Check for the CAM library
     AC_CHECK_LIB(cam, cam_open_btl, HAVE_LIBCAM=yes, HAVE_LIBCAM=no) 
     if [[ "x$HAVE_LIBCAM" = "xno" ]]; then
-      AC_MSG_ERROR([Cannot find libcam for SCSI management.])
+      AC_MSG_WARN([Cannot find libcam for SCSI management, disabling SCSI support.])
     else
       dnl Check for the sys kernel includes
       AC_CHECK_HEADER(/sys/cam/cam.h)
       if [[ "x$ac_cv_header__sys_cam_cam_h" = "xno" ]]; then
         dnl In this case I should fix this thing including a "patch"
         dnl to access directly to the functions in the kernel :) --Orlando
-        AC_MSG_ERROR([Cannot find kernel includes for CAM library.])
+        AC_MSG_WARN([Cannot find kernel includes for CAM library, disabling SCSI support.])
+      else
+        SCSISRC=FreeBSD/scsi_freebsd.cpp
+        CXXFLAGS="$CXXFLAGS -I/sys"
+        CFLAGS="$CFLAGS -I/sys"
+        LIBS="$LIBS -lcam"
+        DEFINES="$DEFINES -DCAM"
       fi
-      SYSSRCS="../dummy/ether_dummy.cpp FreeBSD/scsi_freebsd.cpp ../dummy/audio_dummy.cpp"
-      CXXFLAGS="$CXXFLAGS -I/sys"
-      CFLAGS="$CFLAGS -I/sys"
-      LIBS="$LIBS -lcam"
-      DEFINES="$DEFINES -DBSD_COMP -DCAM"
     fi
     ;;
   FreeBSD*)
+    DEFINES="$DEFINES -DBSD_COMP"
     dnl Check for the SCSI library
     AC_CHECK_LIB(scsi, scsi_open, HAVE_LIBSCSI=yes, HAVE_LIBSCSI=no)
     if [[ "x$HAVE_LIBSCSI" = "xno" ]]; then
-      AC_MSG_ERROR([Cannot find libscsi for SCSI management.])
+      AC_MSG_WARN([Cannot find libscsi for SCSI management, disabling SCSI support.])
     else
       dnl Check for the sys kernel includes
       AC_CHECK_HEADER(scsi.h sys/scsiio.h)
       if [[ "x$ac_cv_header_scsi_h" = "xno" ]]; then
-        AC_MSG_ERROR([Cannot find includes for the SCSI library.])
+        AC_MSG_WARN([Cannot find includes for the SCSI library, disabling SCSI support.])
+      else
+        SCSISRC=FreeBSD/scsi_freebsd.cpp
+        LIBS="$LIBS -lscsi"
       fi
-      SYSSRCS="../dummy/ether_dummy.cpp FreeBSD/scsi_freebsd.cpp ../dummy/audio_dummy.cpp"
-      LIBS="$LIBS -lscsi"
-      DEFINES="$DEFINES -DBSD_COMP"
     fi
     ;;
+  NetBSD*)
+    SUPPORTS_NATIVE_M68K=yes
+    ;;
   SunOS*)
-    SYSSRCS="../dummy/ether_dummy.cpp ../dummy/scsi_dummy.cpp Solaris/audio_solaris.cpp"
+    AUDIOSRC=Solaris/audio_solaris.cpp
     DEFINES="$DEFINES -DBSD_COMP -D_POSIX_PTHREAD_SEMANTICS"
     ;;
   IRIX*)
-    SYSSRCS="../dummy/ether_dummy.cpp ../dummy/scsi_dummy.cpp ../dummy/audio_dummy.cpp Irix/unaligned.c"
+    EXTRASYSSRCS=Irix/unaligned.c
     DEFINES="$DEFINES -DCRTSCTS=CNEW_RTSCTS -DB230400=B115200"
     LIBS="$LIBS -lm"
     ;;
   esac
-  if [[ "x$WANT_UI" = "xyes" ]]; then
-    SYSSRCS="$SYSSRCS prefs_editor_gtk.cpp"
-  else
-    SYSSRCS="$SYSSRCS ../dummy/prefs_editor_dummy.cpp"
-  fi
 fi
-if [[ "x$SEMSRCS" != "x" ]]; then
-  SYSSRCS="$SYSSRCS $SEMSRCS"
+if [[ "x$HAVE_PTHREADS" = "xno" ]]; then
+  dnl Serial, ethernet and audio support needs pthreads
+  AC_MSG_WARN([You don't have pthreads, disabling serial, ethernet and audio support.])
+  SERIALSRC=../dummy/serial_dummy.cpp
+  ETHERSRC=../dummy/ether_dummy.cpp
+  AUDIOSRC=../dummy/audio_dummy.cpp
 fi
-
-dnl Defaults for UAE CPU.
-CPUINCLUDES="-I../uae_cpu"
-CPUSRCS="../uae_cpu/basilisk_glue.cpp ../uae_cpu/memory.cpp ../uae_cpu/newcpu.cpp ../uae_cpu/readcpu.cpp ../uae_cpu/fpp.cpp cpustbl.cpp cpudefs.cpp"
-
-dnl Check for i386.
-HAVE_I386=no
-AC_MSG_CHECKING(for x86 target CPU)
-AC_EGREP_CPP(yes,
-[
-#ifdef __i386__
-  yes
-#endif
-], [AC_MSG_RESULT(yes); HAVE_I386=yes], AC_MSG_RESULT(no))
+SYSSRCS="$SERIALSRC $ETHERSRC $SCSISRC $AUDIOSRC $SEMSRC $UISRCS $MONSRCS $EXTRASYSSRCS"
 
 dnl Check for GAS.
 HAVE_GAS=no
@@ -208,30 +278,85 @@ AC_EGREP_CPP(yes,
 #endif
 ], [AC_MSG_RESULT(yes); HAVE_GCC27=yes], AC_MSG_RESULT(no))
 
-dnl Set "-fomit-frame-pointer" on GCC.
-if [[ "x$HAVE_GCC27" = "xyes" ]]; then
+dnl Set "-fomit-frame-pointer" on i386 GCC 2.7 or higher.
+if [[ "x$HAVE_GCC27" = "xyes" -a "x$HAVE_I386" = "xyes" ]]; then
   CFLAGS="$CFLAGS -fomit-frame-pointer"
   CXXFLAGS="$CXXFLAGS -fomit-frame-pointer"
 fi
 
 dnl Select appropriate CPU source and REGPARAM define.
+WANT_X86_ASSEMBLY=no
+WANT_SPARC_V8_ASSEMBLY=no
+WANT_SPARC_V9_ASSEMBLY=no
+WANT_NATIVE_M68K=no
+CPUSRCS="cpuemu1.cpp cpuemu2.cpp cpuemu3.cpp cpuemu4.cpp cpuemu5.cpp cpuemu6.cpp cpuemu7.cpp cpuemu8.cpp"
 if [[ "x$HAVE_GCC27" = "xyes" -a "x$HAVE_I386" = "xyes" ]]; then
+  dnl i386 CPU
   DEFINES="$DEFINES -DREGPARAM=\"__attribute__((regparm(3)))\""
   if [[ "x$HAVE_GAS" = "xyes" ]]; then
+    WANT_X86_ASSEMBLY=yes
     DEFINES="$DEFINES -DX86_ASSEMBLY"
-    CPUSRCS="$CPUSRCS cpufast.s"
-  else
-    CPUSRCS="$CPUSRCS cpuemu.cpp"
+    CPUSRCS="../uae_cpu/compiler.cpp cpufast1.s cpufast2.s cpufast3.s cpufast4.s cpufast5.s cpufast6.s cpufast7.s cpufast8.s"
   fi
+elif [[ "x$HAVE_GCC27" = "xyes" -a "x$HAVE_SPARC" = "xyes" -a "x$HAVE_GAS" = "xyes" ]]; then
+  dnl SPARC CPU
+  case "$MACHINE" in
+  SunOS*)
+    AC_MSG_CHECKING(SPARC CPU architecture)
+    SPARC_TYPE=`Solaris/which_sparc`
+    AC_MSG_RESULT($SPARC_TYPE)
+    case "$SPARC_TYPE" in
+    SPARC_V8)
+      WANT_SPARC_V8_ASSEMBLY=yes
+      DEFINES="$DEFINES -DSPARC_V8_ASSEMBLY"
+      CFLAGS="$CFLAGS -Wa,-Av8"
+      CXXFLAGS="$CXXFLAGS -Wa,-Av8"
+      ;;
+    SPARC_V9)
+      WANT_SPARC_V9_ASSEMBLY=yes
+      DEFINES="$DEFINES -DSPARC_V9_ASSEMBLY"
+      CFLAGS="$CFLAGS -Wa,-Av9"
+      CXXFLAGS="$CXXFLAGS -Wa,-Av9"
+      ;;
+    esac
+    ;;
+  esac
+elif [[ "x$HAVE_M68K" = "xyes" -a "x$SUPPORTS_NATIVE_M68K" = "xyes" ]]; then
+  dnl Native m68k, no emulation
+  CPUSRCS=""
+  AC_DEFINE(ENABLE_NATIVE_M68K)
+  WANT_NATIVE_M68K=yes
+fi
+
+dnl UAE CPU sources for all non-m68k-native architectures.
+if [[ "x$WANT_NATIVE_M68K" = "xno" ]]; then
+  CPUINCLUDES="-I../uae_cpu"
+  CPUSRCS="../uae_cpu/basilisk_glue.cpp ../uae_cpu/memory.cpp ../uae_cpu/newcpu.cpp ../uae_cpu/readcpu.cpp ../uae_cpu/fpp.cpp cpustbl.cpp cpudefs.cpp $CPUSRCS"
 else
-  CPUSRCS="$CPUSRCS cpuemu.cpp"
+  CPUINCLUDES="-I../native_cpu"
+  CPUSRCS="asm_support.s"
 fi
 
 dnl Generate Makefile.
 AC_SUBST(DEFINES)
-AC_SUBST(STATICLIBS)
 AC_SUBST(SYSSRCS)
 AC_SUBST(CPUINCLUDES)
 AC_SUBST(CPUSRCS)
 AC_OUTPUT(Makefile)
-echo "Configuration done. Now type \"make\"."
+
+dnl Print summary.
+echo
+echo Basilisk II configuration summary:
+echo
+echo XFree86 DGA support .............. : $WANT_XF86_DGA
+echo XFree86 VidMode support .......... : $WANT_XF86_VIDMODE
+echo fbdev DGA support ................ : $WANT_FBDEV_DGA
+echo ESD sound support ................ : $WANT_ESD
+echo GTK user interface ............... : $WANT_GTK
+echo mon debugger support ............. : $WANT_MON
+echo i386 assembly optimizations ...... : $WANT_X86_ASSEMBLY
+echo SPARC V8 assembly optimizations .. : $WANT_SPARC_V8_ASSEMBLY
+echo SPARC V9 assembly optimizations .. : $WANT_SPARC_V9_ASSEMBLY
+echo Running m68k code natively ....... : $WANT_NATIVE_M68K
+echo
+echo "Configuration done. Now type \"make\" (or \"gmake\")."