src/Unix/configure.in

dnl Process this file with autoconf to produce a configure script.
dnl Written in 1999 by Christian Bauer et al.

AC_INIT(main_unix.cpp)
AC_PREREQ(2.12)
AC_CONFIG_HEADER(config.h)

dnl Options.
AC_ARG_ENABLE(xf86-dga,  [  --enable-xf86-dga       use the XFree86 DGA extension [default=yes]], [WANT_XF86_DGA=$enableval], [WANT_XF86_DGA=yes])
AC_ARG_ENABLE(fbdev-dga, [  --enable-fbdev-dga      use direct frame buffer access via /dev/fb [default=yes]], [WANT_FBDEV_DGA=$enableval], [WANT_FBDEV_DGA=yes])
AC_ARG_ENABLE(esd,       [  --enable-esd            Enlightened Sound Daemon support [default=yes]], [WANT_ESD=$enableval], [WANT_ESD=yes])
AC_ARG_ENABLE(ui,        [  --enable-ui             use GTK user interface [default=yes]], [WANT_UI=$enableval], [WANT_UI=yes])

dnl Checks for programs.
AC_PROG_CC
AC_PROG_CPP
AC_PROG_CXX
AC_PROG_MAKE_SET
AC_PROG_INSTALL

dnl We use mon if possible.
MONSRCS=
AC_MSG_CHECKING(for mon)
if grep mon_init ../../../mon/src/mon.h >/dev/null 2>/dev/null; then
  AC_MSG_RESULT(yes)
  WANT_MON=yes
  DEFINES="$DEFINES -DENABLE_MON=1"
  MONSRCS="../../../mon/src/mon.cpp ../../../mon/src/mon_6502.cpp ../../../mon/src/mon_68k.cpp ../../../mon/src/mon_8080.cpp ../../../mon/src/mon_cmd.cpp ../../../mon/src/mon_ppc.cpp ../../../mon/src/mon_x86.cpp"
  CXXFLAGS="$CXXFLAGS -I../../../mon/src"
else
  AC_MSG_RESULT(no)
  WANT_MON=no
  DEFINES="$DEFINES -DENABLE_MON=0"
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"

dnl We need pthreads. Try libpthread first, then libc_r (FreeBSD), then PTL.
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 If POSIX.4 semaphores are not available, we emulate them with pthread mutexes.
SEMSRCS=
AC_CHECK_FUNCS(sem_init, , [
  SEMSRCS=posix_sem.cpp
])

dnl We use DGA (XFree86 or fbdev) if possible.
if [[ "x$WANT_XF86_DGA" = "xyes" ]]; then
  AC_CHECK_LIB(Xxf86dga, XF86DGAQueryExtension, [
    DEFINES="$DEFINES -DENABLE_XF86_DGA=1"
    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
    DEFINES="$DEFINES -DENABLE_XF86_DGA=0"
  ])
else
  DEFINES="$DEFINES -DENABLE_XF86_DGA=0"
fi
if [[ "x$WANT_FBDEV_DGA" = "xyes" ]]; then
  DEFINES="$DEFINES -DENABLE_FBDEV_DGA=1"
else
  DEFINES="$DEFINES -DENABLE_FBDEV_DGA=0"
fi

dnl We use GTK+ if possible.
UISRCS=../dummy/prefs_editor_dummy.cpp
if [[ "x$WANT_UI" = "xyes" ]]; then
  AM_PATH_GTK(1.2.0, [
    DEFINES="$DEFINES -DENABLE_GTK=1"
    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_UI=no
  ])
fi

dnl We use ESD if possible.
if [[ "x$WANT_ESD" = "xyes" ]]; then
  AM_PATH_ESD(0.2.8, [
    DEFINES="$DEFINES -DENABLE_ESD=1"
    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.
AC_HEADER_STDC
AC_CHECK_HEADERS(unistd.h fcntl.h sys/time.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_TYPE_OFF_T
AC_CHECK_TYPE(loff_t, off_t)
AC_TYPE_SIZE_T
AC_HEADER_TIME
AC_STRUCT_TM

dnl Checks for library functions.
AC_CHECK_FUNCS(strdup cfmakeraw)
AC_CHECK_FUNCS(nanosleep clock_gettime timer_create)
AC_CHECK_FUNCS(pthread_cancel)

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
  case "$MACHINE" in
  Linux*)
    SYSSRCS="Linux/ether_linux.cpp Linux/scsi_linux.cpp audio_oss_esd.cpp"
    ;;
  FreeBSD*3.*)
    dnl Check for the CAM library
    AC_CHECK_LIB(cam, cam_open_btl, HAVE_LIBCAM=yes, HAVE_LIBCAM=no) 
    if [[ "x$HAVE_LIBCAM" = "xno" ]]; then
      AC_MSG_ERROR([Cannot find libcam for SCSI management.])
    else
      dnl Check for the sys kernel includes
      AC_CHECK_HEADER(/sys/cam/cam.h)
      if [[ "x$ac_cv_header__sys_cam_cam_h" = "xno" ]]; then
        dnl In this case I should fix this thing including a "patch"
        dnl to access directly to the functions in the kernel :) --Orlando
        AC_MSG_ERROR([Cannot find kernel includes for CAM library.])
      fi
      SYSSRCS="../dummy/ether_dummy.cpp FreeBSD/scsi_freebsd.cpp audio_oss_esd.cpp"
      CXXFLAGS="$CXXFLAGS -I/sys"
      CFLAGS="$CFLAGS -I/sys"
      LIBS="$LIBS -lcam"
      DEFINES="$DEFINES -DBSD_COMP -DCAM"
    fi
    ;;
  FreeBSD*)
    dnl Check for the SCSI library
    AC_CHECK_LIB(scsi, scsi_open, HAVE_LIBSCSI=yes, HAVE_LIBSCSI=no)
    if [[ "x$HAVE_LIBSCSI" = "xno" ]]; then
      AC_MSG_ERROR([Cannot find libscsi for SCSI management.])
    else
      dnl Check for the sys kernel includes
      AC_CHECK_HEADER(scsi.h sys/scsiio.h)
      if [[ "x$ac_cv_header_scsi_h" = "xno" ]]; then
        AC_MSG_ERROR([Cannot find includes for the SCSI library.])
      fi
      SYSSRCS="../dummy/ether_dummy.cpp FreeBSD/scsi_freebsd.cpp ../dummy/audio_dummy.cpp"
      LIBS="$LIBS -lscsi"
      DEFINES="$DEFINES -DBSD_COMP"
    fi
    ;;
  SunOS*)
    SYSSRCS="../dummy/ether_dummy.cpp ../dummy/scsi_dummy.cpp Solaris/audio_solaris.cpp"
    DEFINES="$DEFINES -DBSD_COMP -D_POSIX_PTHREAD_SEMANTICS"
    ;;
  IRIX*)
    SYSSRCS="../dummy/ether_dummy.cpp ../dummy/scsi_dummy.cpp ../dummy/audio_dummy.cpp Irix/unaligned.c"
    DEFINES="$DEFINES -DCRTSCTS=CNEW_RTSCTS -DB230400=B115200"
    LIBS="$LIBS -lm"
    ;;
  esac
fi
SYSSRCS="$SYSSRCS $SEMSRCS $UISRCS $MONSRCS"

dnl Check for i386 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 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 GAS.
HAVE_GAS=no
AC_MSG_CHECKING(for GAS .p2align feature)
cat >conftest.S << EOF
        .text
        .p2align 5
EOF
if $CC conftest.S -c -o conftest.o >/dev/null 2>&1 ; then HAVE_GAS=yes; fi
AC_MSG_RESULT($HAVE_GAS)

dnl Check for GCC 2.7 or higher.
HAVE_GCC27=no
AC_MSG_CHECKING(for GCC 2.7 or higher)
AC_EGREP_CPP(yes,
[#if __GNUC__ - 1 > 1 || __GNUC_MINOR__ - 1 > 5
  yes
#endif
], [AC_MSG_RESULT(yes); HAVE_GCC27=yes], AC_MSG_RESULT(no))

dnl Set "-fomit-frame-pointer" on GCC 2.7 or higher.
if [[ "x$HAVE_GCC27" = "xyes" ]]; then
  CFLAGS="$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
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="$DEFINES -DX86_ASSEMBLY"
    CPUSRCS="cpufast1.s cpufast2.s cpufast3.s cpufast4.s cpufast5.s cpufast6.s cpufast7.s cpufast8.s"
  fi
elif [[ "x$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
fi

dnl UAE CPU sources for all architectures.
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"

dnl Generate Makefile.
AC_SUBST(DEFINES)
AC_SUBST(SYSSRCS)
AC_SUBST(CPUINCLUDES)
AC_SUBST(CPUSRCS)
AC_OUTPUT(Makefile)

dnl Print summary.
echo
echo Basilisk II configuration summary:
echo
echo XFree86 DGA support .............. : $WANT_XF86_DGA
echo fbdev DGA support ................ : $WANT_FBDEV_DGA
echo ESD sound support ................ : $WANT_ESD
echo GTK user interface ............... : $WANT_UI
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 .. : $WANT_SPARC_V9_ASSEMBLY
echo
echo "Configuration done. Now type \"make\"."
Revision:	1.13
Committed:	1999-10-25T20:52:12Z (25 years ago) by cebix
Branch:	MAIN
Changes since 1.12:	+1 -0 lines
Log Message:	- WANT_XF86_DGA is turned off when XFree86 DGA is not present
#	User	Rev	Content
1	cebix	1.1	dnl Process this file with autoconf to produce a configure script.
2			dnl Written in 1999 by Christian Bauer et al.
3
4			AC_INIT(main_unix.cpp)
5			AC_PREREQ(2.12)
6			AC_CONFIG_HEADER(config.h)
7
8			dnl Options.
9	cebix	1.12	AC_ARG_ENABLE(xf86-dga, [ --enable-xf86-dga use the XFree86 DGA extension [default=yes]], [WANT_XF86_DGA=$enableval], [WANT_XF86_DGA=yes])
10			AC_ARG_ENABLE(fbdev-dga, [ --enable-fbdev-dga use direct frame buffer access via /dev/fb [default=yes]], [WANT_FBDEV_DGA=$enableval], [WANT_FBDEV_DGA=yes])
11			AC_ARG_ENABLE(esd, [ --enable-esd Enlightened Sound Daemon support [default=yes]], [WANT_ESD=$enableval], [WANT_ESD=yes])
12			AC_ARG_ENABLE(ui, [ --enable-ui use GTK user interface [default=yes]], [WANT_UI=$enableval], [WANT_UI=yes])
13	cebix	1.1
14			dnl Checks for programs.
15			AC_PROG_CC
16	cebix	1.4	AC_PROG_CPP
17	cebix	1.1	AC_PROG_CXX
18			AC_PROG_MAKE_SET
19			AC_PROG_INSTALL
20
21	cebix	1.11	dnl We use mon if possible.
22			MONSRCS=
23			AC_MSG_CHECKING(for mon)
24			if grep mon_init ../../../mon/src/mon.h >/dev/null 2>/dev/null; then
25			AC_MSG_RESULT(yes)
26	cebix	1.12	WANT_MON=yes
27	cebix	1.11	DEFINES="$DEFINES -DENABLE_MON=1"
28			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"
29			CXXFLAGS="$CXXFLAGS -I../../../mon/src"
30			else
31			AC_MSG_RESULT(no)
32	cebix	1.12	WANT_MON=no
33	cebix	1.11	DEFINES="$DEFINES -DENABLE_MON=0"
34			fi
35
36	cebix	1.1	dnl Checks for libraries.
37	cebix	1.10	AC_CHECK_LIB(posix4, sem_init)
38
39			dnl We need X11.
40	cebix	1.1	AC_PATH_XTRA
41			if [[ "x$no_x" = "xyes" ]]; then
42			AC_MSG_ERROR([You need X11 to run Basilisk II.])
43			fi
44			CFLAGS="$CFLAGS $X_CFLAGS"
45			CXXFLAGS="$CXXFLAGS $X_CFLAGS"
46			LIBS="$LIBS $X_PRE_LIBS $X_LIBS -lX11 -lXext $X_EXTRA_LIBS"
47
48	cebix	1.10	dnl We need pthreads. Try libpthread first, then libc_r (FreeBSD), then PTL.
49			AC_CHECK_LIB(pthread, pthread_create, , [
50			AC_CHECK_LIB(c_r, pthread_create, , [
51			AC_CHECK_LIB(PTL, pthread_create, , [
52	cebix	1.6	AC_MSG_ERROR([You need pthreads to run Basilisk II.])
53	cebix	1.10	])
54			])
55			])
56
57			dnl If POSIX.4 semaphores are not available, we emulate them with pthread mutexes.
58			SEMSRCS=
59			AC_CHECK_FUNCS(sem_init, , [
60			SEMSRCS=posix_sem.cpp
61			])
62	cebix	1.1
63	cebix	1.10	dnl We use DGA (XFree86 or fbdev) if possible.
64	cebix	1.8	if [[ "x$WANT_XF86_DGA" = "xyes" ]]; then
65	cebix	1.10	AC_CHECK_LIB(Xxf86dga, XF86DGAQueryExtension, [
66	cebix	1.8	DEFINES="$DEFINES -DENABLE_XF86_DGA=1"
67	cebix	1.1	LIBS="$LIBS -lXxf86dga"
68	cebix	1.8	if [[ "x$WANT_FBDEV_DGA" = "xyes" ]]; then
69			AC_MSG_WARN([Cannot have both --enable-xf86-dga and --enable-fbdev-dga, ignoring --enable-fbdev-dga.])
70			WANT_FBDEV_DGA=no
71			fi
72	cebix	1.10	], [
73			AC_MSG_WARN([Could not find XFree86 DGA extension, ignoring --enable-xf86-dga.])
74	cebix	1.13	WANT_XF86_DGA=no
75	cebix	1.10	DEFINES="$DEFINES -DENABLE_XF86_DGA=0"
76			])
77	cebix	1.8	else
78			DEFINES="$DEFINES -DENABLE_XF86_DGA=0"
79			fi
80			if [[ "x$WANT_FBDEV_DGA" = "xyes" ]]; then
81			DEFINES="$DEFINES -DENABLE_FBDEV_DGA=1"
82			else
83			DEFINES="$DEFINES -DENABLE_FBDEV_DGA=0"
84	cebix	1.1	fi
85
86			dnl We use GTK+ if possible.
87	cebix	1.10	UISRCS=../dummy/prefs_editor_dummy.cpp
88	cebix	1.1	if [[ "x$WANT_UI" = "xyes" ]]; then
89	cebix	1.10	AM_PATH_GTK(1.2.0, [
90			DEFINES="$DEFINES -DENABLE_GTK=1"
91			CFLAGS="$CFLAGS $GTK_CFLAGS"
92			CXXFLAGS="$CXXFLAGS $GTK_CFLAGS"
93			LIBS="$LIBS $GTK_LIBS"
94			UISRCS=prefs_editor_gtk.cpp
95			], [
96			AC_MSG_WARN([Could not find GTK+, disabling user interface.])
97	cebix	1.1	WANT_UI=no
98	cebix	1.10	])
99	cebix	1.1	fi
100
101	cebix	1.10	dnl We use ESD if possible.
102			if [[ "x$WANT_ESD" = "xyes" ]]; then
103			AM_PATH_ESD(0.2.8, [
104			DEFINES="$DEFINES -DENABLE_ESD=1"
105			CFLAGS="$CFLAGS $ESD_CFLAGS"
106			CXXFLAGS="$CXXFLAGS $ESD_CFLAGS"
107			LIBS="$LIBS $ESD_LIBS"
108			], [
109			AC_MSG_WARN([Could not find ESD, disabling ESD support.])
110			WANT_ESD=no
111			])
112	cebix	1.1	fi
113
114			dnl Checks for header files.
115			AC_HEADER_STDC
116			AC_CHECK_HEADERS(unistd.h fcntl.h sys/time.h)
117
118			dnl Checks for typedefs, structures, and compiler characteristics.
119			AC_C_BIGENDIAN
120			AC_C_CONST
121			AC_C_INLINE
122			AC_CHECK_SIZEOF(short, 2)
123			AC_CHECK_SIZEOF(int, 4)
124			AC_CHECK_SIZEOF(long, 4)
125			AC_CHECK_SIZEOF(long long, 8)
126			AC_TYPE_OFF_T
127			AC_CHECK_TYPE(loff_t, off_t)
128			AC_TYPE_SIZE_T
129			AC_HEADER_TIME
130			AC_STRUCT_TM
131
132			dnl Checks for library functions.
133			AC_CHECK_FUNCS(strdup cfmakeraw)
134			AC_CHECK_FUNCS(nanosleep clock_gettime timer_create)
135	cebix	1.10	AC_CHECK_FUNCS(pthread_cancel)
136	cebix	1.1
137			dnl Select system-dependant source files.
138			SYSSRCS="../dummy/ether_dummy.cpp ../dummy/scsi_dummy.cpp ../dummy/audio_dummy.cpp"
139			if MACHINE=`uname -a 2>/dev/null`; then
140			case "$MACHINE" in
141			Linux*)
142	cebix	1.10	SYSSRCS="Linux/ether_linux.cpp Linux/scsi_linux.cpp audio_oss_esd.cpp"
143	cebix	1.1	;;
144			FreeBSD3.)
145			dnl Check for the CAM library
146			AC_CHECK_LIB(cam, cam_open_btl, HAVE_LIBCAM=yes, HAVE_LIBCAM=no)
147			if [[ "x$HAVE_LIBCAM" = "xno" ]]; then
148			AC_MSG_ERROR([Cannot find libcam for SCSI management.])
149			else
150			dnl Check for the sys kernel includes
151			AC_CHECK_HEADER(/sys/cam/cam.h)
152			if [[ "x$ac_cv_header__sys_cam_cam_h" = "xno" ]]; then
153			dnl In this case I should fix this thing including a "patch"
154			dnl to access directly to the functions in the kernel :) --Orlando
155			AC_MSG_ERROR([Cannot find kernel includes for CAM library.])
156			fi
157	cebix	1.10	SYSSRCS="../dummy/ether_dummy.cpp FreeBSD/scsi_freebsd.cpp audio_oss_esd.cpp"
158	cebix	1.1	CXXFLAGS="$CXXFLAGS -I/sys"
159			CFLAGS="$CFLAGS -I/sys"
160			LIBS="$LIBS -lcam"
161			DEFINES="$DEFINES -DBSD_COMP -DCAM"
162			fi
163			;;
164			FreeBSD*)
165			dnl Check for the SCSI library
166			AC_CHECK_LIB(scsi, scsi_open, HAVE_LIBSCSI=yes, HAVE_LIBSCSI=no)
167			if [[ "x$HAVE_LIBSCSI" = "xno" ]]; then
168			AC_MSG_ERROR([Cannot find libscsi for SCSI management.])
169			else
170			dnl Check for the sys kernel includes
171			AC_CHECK_HEADER(scsi.h sys/scsiio.h)
172			if [[ "x$ac_cv_header_scsi_h" = "xno" ]]; then
173			AC_MSG_ERROR([Cannot find includes for the SCSI library.])
174			fi
175			SYSSRCS="../dummy/ether_dummy.cpp FreeBSD/scsi_freebsd.cpp ../dummy/audio_dummy.cpp"
176			LIBS="$LIBS -lscsi"
177			DEFINES="$DEFINES -DBSD_COMP"
178			fi
179			;;
180			SunOS*)
181			SYSSRCS="../dummy/ether_dummy.cpp ../dummy/scsi_dummy.cpp Solaris/audio_solaris.cpp"
182			DEFINES="$DEFINES -DBSD_COMP -D_POSIX_PTHREAD_SEMANTICS"
183			;;
184			IRIX*)
185			SYSSRCS="../dummy/ether_dummy.cpp ../dummy/scsi_dummy.cpp ../dummy/audio_dummy.cpp Irix/unaligned.c"
186			DEFINES="$DEFINES -DCRTSCTS=CNEW_RTSCTS -DB230400=B115200"
187			LIBS="$LIBS -lm"
188			;;
189			esac
190	cebix	1.8	fi
191	cebix	1.11	SYSSRCS="$SYSSRCS $SEMSRCS $UISRCS $MONSRCS"
192	cebix	1.1
193	cebix	1.9	dnl Check for i386 CPU.
194	cebix	1.1	HAVE_I386=no
195			AC_MSG_CHECKING(for x86 target CPU)
196			AC_EGREP_CPP(yes,
197			[
198			#ifdef __i386__
199			yes
200			#endif
201			], [AC_MSG_RESULT(yes); HAVE_I386=yes], AC_MSG_RESULT(no))
202
203	cebix	1.9	dnl Check for SPARC CPU.
204			HAVE_SPARC=no
205			AC_MSG_CHECKING(for SPARC target CPU)
206			AC_EGREP_CPP(yes,
207			[
208			#ifdef __sparc__
209			yes
210			#endif
211			], [AC_MSG_RESULT(yes); HAVE_SPARC=yes], AC_MSG_RESULT(no))
212
213	cebix	1.3	dnl Check for GAS.
214	cebix	1.1	HAVE_GAS=no
215			AC_MSG_CHECKING(for GAS .p2align feature)
216			cat >conftest.S << EOF
217			.text
218			.p2align 5
219			EOF
220			if $CC conftest.S -c -o conftest.o >/dev/null 2>&1 ; then HAVE_GAS=yes; fi
221			AC_MSG_RESULT($HAVE_GAS)
222
223	cebix	1.3	dnl Check for GCC 2.7 or higher.
224	cebix	1.1	HAVE_GCC27=no
225			AC_MSG_CHECKING(for GCC 2.7 or higher)
226			AC_EGREP_CPP(yes,
227			[#if __GNUC__ - 1 > 1 \|\| __GNUC_MINOR__ - 1 > 5
228			yes
229			#endif
230			], [AC_MSG_RESULT(yes); HAVE_GCC27=yes], AC_MSG_RESULT(no))
231
232	cebix	1.9	dnl Set "-fomit-frame-pointer" on GCC 2.7 or higher.
233	cebix	1.1	if [[ "x$HAVE_GCC27" = "xyes" ]]; then
234			CFLAGS="$CFLAGS -fomit-frame-pointer"
235			CXXFLAGS="$CXXFLAGS -fomit-frame-pointer"
236			fi
237
238	cebix	1.3	dnl Select appropriate CPU source and REGPARAM define.
239	cebix	1.12	WANT_X86_ASSEMBLY=no
240			WANT_SPARC_V8_ASSEMBLY=no
241			WANT_SPARC_V9_ASSEMBLY=no
242	cebix	1.9	CPUSRCS="cpuemu1.cpp cpuemu2.cpp cpuemu3.cpp cpuemu4.cpp cpuemu5.cpp cpuemu6.cpp cpuemu7.cpp cpuemu8.cpp"
243	cebix	1.1	if [[ "x$HAVE_GCC27" = "xyes" -a "x$HAVE_I386" = "xyes" ]]; then
244	cebix	1.9	dnl i386 CPU
245	cebix	1.1	DEFINES="$DEFINES -DREGPARAM=\"__attribute__((regparm(3)))\""
246			if [[ "x$HAVE_GAS" = "xyes" ]]; then
247	cebix	1.12	WANT_X86_ASSEMBLY=yes
248	cebix	1.1	DEFINES="$DEFINES -DX86_ASSEMBLY"
249	cebix	1.9	CPUSRCS="cpufast1.s cpufast2.s cpufast3.s cpufast4.s cpufast5.s cpufast6.s cpufast7.s cpufast8.s"
250	cebix	1.1	fi
251	cebix	1.9	elif [[ "x$HAVE_GCC27" = "xyes" -a "x$HAVE_SPARC" = "xyes" -a "x$HAVE_GAS" = "xyes" ]]; then
252			dnl SPARC CPU
253			case "$MACHINE" in
254			SunOS*)
255			AC_MSG_CHECKING(SPARC CPU architecture)
256			SPARC_TYPE=`Solaris/which_sparc`
257			AC_MSG_RESULT($SPARC_TYPE)
258			case "$SPARC_TYPE" in
259			SPARC_V8)
260	cebix	1.12	WANT_SPARC_V8_ASSEMBLY=yes
261	cebix	1.9	DEFINES="$DEFINES -DSPARC_V8_ASSEMBLY"
262			CFLAGS="$CFLAGS -Wa,-Av8"
263			CXXFLAGS="$CXXFLAGS -Wa,-Av8"
264			;;
265			SPARC_V9)
266	cebix	1.12	WANT_SPARC_V9_ASSEMBLY=yes
267	cebix	1.9	DEFINES="$DEFINES -DSPARC_V9_ASSEMBLY"
268			CFLAGS="$CFLAGS -Wa,-Av9"
269			CXXFLAGS="$CXXFLAGS -Wa,-Av9"
270			;;
271			esac
272			;;
273			esac
274	cebix	1.1	fi
275	cebix	1.9
276			dnl UAE CPU sources for all architectures.
277			CPUINCLUDES="-I../uae_cpu"
278			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"
279	cebix	1.1
280	cebix	1.3	dnl Generate Makefile.
281	cebix	1.1	AC_SUBST(DEFINES)
282			AC_SUBST(SYSSRCS)
283			AC_SUBST(CPUINCLUDES)
284			AC_SUBST(CPUSRCS)
285			AC_OUTPUT(Makefile)
286	cebix	1.12
287			dnl Print summary.
288			echo
289			echo Basilisk II configuration summary:
290			echo
291			echo XFree86 DGA support .............. : $WANT_XF86_DGA
292			echo fbdev DGA support ................ : $WANT_FBDEV_DGA
293			echo ESD sound support ................ : $WANT_ESD
294			echo GTK user interface ............... : $WANT_UI
295			echo mon debugger support ............. : $WANT_MON
296			echo i386 assembly optimizations ...... : $WANT_X86_ASSEMBLY
297			echo SPARC V8 assembly optimizations .. : $WANT_SPARC_V8_ASSEMBLY
298			echo SPARC V9 assembly optimizations .. : $WANT_SPARC_V9_ASSEMBLY
299			echo
300	cebix	1.1	echo "Configuration done. Now type \"make\"."