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root/cebix/SheepShaver/src/Unix/configure.ac

Comparing SheepShaver/src/Unix/configure.ac (file contents):
Revision 1.37 by gbeauche, 2005-07-10T15:43:33Z vs.
Revision 1.52 by gbeauche, 2006-05-06T10:42:51Z

#	Line 1 | Line 1
1		dnl Process this file with autoconf to produce a configure script.
2		dnl Written in 2002 by Christian Bauer
3
4	<	AC_INIT([SheepShaver], 2.2, [Christian.Bauer@uni-mainz.de], SheepShaver)
4	>	AC_INIT([SheepShaver], 2.3, [Christian.Bauer@uni-mainz.de], SheepShaver)
5		AC_CONFIG_SRCDIR(main_unix.cpp)
6		AC_PREREQ(2.52)
7		AC_CONFIG_HEADER(config.h)
#	Line 28 | Line 28 | AC_ARG_ENABLE(fbdev-dga,    [  --enable-
28		AC_ARG_ENABLE(xf86-dga,     [  --enable-xf86-dga       use the XFree86 DGA extension [default=yes]], [WANT_XF86_DGA=$enableval], [WANT_XF86_DGA=yes])
29		AC_ARG_ENABLE(xf86-vidmode, [  --enable-xf86-vidmode   use the XFree86 VidMode extension [default=yes]], [WANT_XF86_VIDMODE=$enableval], [WANT_XF86_VIDMODE=yes])
30		AC_ARG_ENABLE(vosf,         [  --enable-vosf           enable video on SEGV signals [default=yes]], [WANT_VOSF=$enableval], [WANT_VOSF=yes])
31	+	AC_ARG_ENABLE(standalone-gui,[  --enable-standalone-gui enable a standalone GUI prefs editor [default=no]], [WANT_STANDALONE_GUI=$enableval], [WANT_STANDALONE_GUI=no])
32		AC_ARG_WITH(esd,            [  --with-esd              support ESD for sound under Linux/FreeBSD [default=yes]], [WANT_ESD=$withval], [WANT_ESD=yes])
33		AC_ARG_WITH(gtk,            [  --with-gtk              use GTK user interface [default=yes]],
34		[case "$withval" in
#	Line 125 | Line 126 | AC_SUBST(MONSRCS)
126
127		dnl Checks for libraries.
128		AC_CHECK_LIB(posix4, sem_init)
129	+	AC_CHECK_LIB(m, cos)
130
131		dnl Do we need SDL?
132		WANT_SDL=no
#	Line 244 | Line 246 | UISRCS=../dummy/prefs_editor_dummy.cpp
246		case "x$WANT_GTK" in
247		xgtk2*)
248		AM_PATH_GTK_2_0(1.3.15, [
249	<	AC_DEFINE(ENABLE_GTK, 1, [Define if using GTK.])
250	<	CFLAGS="$CFLAGS $GTK_CFLAGS"
249	<	CXXFLAGS="$CXXFLAGS $GTK_CFLAGS"
250	<	LIBS="$LIBS $GTK_LIBS"
251	<	UISRCS=prefs_editor_gtk.cpp
249	>	GUI_CFLAGS="$GTK_CFLAGS"
250	>	GUI_LIBS="$GTK_LIBS"
251		WANT_GTK=gtk2
252		], [
253		case "x${WANT_GTK}x" in
#	Line 266 | Line 265 | xgtk2*)
265		esac
266		if [[ "x$WANT_GTK" = "xgtk" ]]; then
267		AM_PATH_GTK(1.2.0, [
268	<	AC_DEFINE(ENABLE_GTK, 1, [Define if using GTK.])
269	<	CFLAGS="$CFLAGS $GTK_CFLAGS"
271	<	CXXFLAGS="$CXXFLAGS $GTK_CFLAGS"
272	<	LIBS="$LIBS $GTK_LIBS"
273	<	UISRCS=prefs_editor_gtk.cpp
268	>	GUI_CFLAGS="$GTK_CFLAGS"
269	>	GUI_LIBS="$GTK_LIBS"
270		], [
271		AC_MSG_WARN([Could not find GTK+, disabling user interface.])
272		WANT_GTK=no
273		])
274		fi
275	+	if [[ "x$WANT_GTK" != "xno" -a "x$WANT_STANDALONE_GUI" = "xno" ]]; then
276	+	AC_DEFINE(ENABLE_GTK, 1, [Define if using GTK.])
277	+	UISRCS=prefs_editor_gtk.cpp
278	+	fi
279	+	AC_SUBST(GUI_CFLAGS)
280	+	AC_SUBST(GUI_LIBS)
281	+
282	+	dnl Build external GUI if requested.
283	+	if [[ "$WANT_STANDALONE_GUI" != "yes" ]]; then
284	+	WANT_STANDALONE_GUI=no
285	+	fi
286	+	if [[ "$WANT_GTK" = "no" ]]; then
287	+	WANT_STANDALONE_GUI=no
288	+	fi
289	+	AC_SUBST(STANDALONE_GUI, [$WANT_STANDALONE_GUI])
290
291		dnl We use ESD if possible.
292		if [[ "x$WANT_ESD" = "xyes" ]]; then
#	Line 431 | Line 442 | AC_CHECK_FILE([/dev/ptc],
442		)
443		dnl (end of code from openssh-3.2.2p1 configure.ac)
444
445	+	dnl Check for systems where POSIX-style non-blocking I/O (O_NONBLOCK)
446	+	dnl doesn't work or is unimplemented. On these systems (mostly older
447	+	dnl ones), use the old BSD-style FIONBIO approach instead. [tcl.m4]
448	+	AC_CACHE_CHECK([FIONBIO vs. O_NONBLOCK for non-blocking I/O],
449	+	ac_cv_nonblocking_io, [
450	+	case "$host" in
451	+	*-*-osf*)
452	+	ac_cv_nonblocking_io=FIONBIO
453	+	;;
454	+	*-*-sunos4*)
455	+	ac_cv_nonblocking_io=FIONBIO
456	+	;;
457	+	*-*-ultrix*)
458	+	ac_cv_nonblocking_io=FIONBIO
459	+	;;
460	+	*)
461	+	ac_cv_nonblocking_io=O_NONBLOCK
462	+	;;
463	+	esac
464	+	])
465	+	if [[ "$ac_cv_nonblocking_io" = "FIONBIO" ]]; then
466	+	AC_DEFINE(USE_FIONBIO, 1, [Define if BSD-style non-blocking I/O is to be used])
467	+	fi
468	+
469	+	dnl Check whether compiler supports byte bit-fields
470	+	AC_CACHE_CHECK([whether compiler supports byte bit-fields],
471	+	ac_cv_have_byte_bitfields, [
472	+	AC_LANG_SAVE
473	+	AC_LANG_CPLUSPLUS
474	+	AC_TRY_RUN([
475	+	struct A {
476	+	unsigned char b1:4;
477	+	unsigned char b2:4;
478	+	unsigned char c;
479	+	unsigned short s;
480	+	unsigned char a[4];
481	+	};
482	+
483	+	int main(void) {
484	+	A a;
485	+	return ! (sizeof(A) == 8 && &a.c == ((unsigned char *)&a + 1));
486	+	}],
487	+	[ac_cv_have_byte_bitfields=yes],
488	+	[ac_cv_have_byte_bitfields=no],
489	+	dnl When cross-compiling, assume only GCC supports this
490	+	[if [[ "$GCC" = "yes" ]]; then
491	+	ac_cv_have_byte_bitfields="guessing yes"
492	+	else
493	+	ac_cv_have_byte_bitfields="guessing no"
494	+	fi]
495	+	)
496	+	AC_LANG_RESTORE
497	+	])
498	+
499		dnl AC_CHECK_FRAMEWORK($1=NAME, $2=INCLUDES)
500	<	AC_DEFUN(AC_CHECK_FRAMEWORK, [
500	>	AC_DEFUN([AC_CHECK_FRAMEWORK], [
501		AS_VAR_PUSHDEF([ac_Framework], [ac_cv_framework_$1])dnl
502		AC_CACHE_CHECK([whether compiler supports framework $1],
503		ac_Framework, [
504		saved_LIBS="$LIBS"
505		LIBS="$LIBS -framework $1"
506		AC_TRY_LINK(
507	<	[$2], [int main(void) { return 0; }],
507	>	[$2], [],
508		[AS_VAR_SET(ac_Framework, yes)], [AS_VAR_SET(ac_Framework, no); LIBS="$saved_LIBS"]
509		)
510		])
#	Line 491 | Line 556 | darwin*)
556		EXTFSSRC=../MacOSX/extfs_macosx.mm
557		fi
558		;;
559	+	irix*)
560	+	AUDIOSRC=Irix/audio_irix.cpp
561	+	LIBS="$LIBS -laudio"
562	+	WANT_ESD=no
563	+
564	+	dnl Check if our compiler supports -IPA (MIPSPro)
565	+	HAVE_IPA=no
566	+	ocflags="$CFLAGS"
567	+	CFLAGS=`echo " $CFLAGS -IPA" | sed -e "s/ -g //g"`
568	+	AC_MSG_CHECKING(if "-IPA" works)
569	+	dnl Do a test compile of an empty function
570	+	AC_TRY_COMPILE([#if defined __GNUC__
571	+	# error GCC does not support IPA yet
572	+	#endif],, [AC_MSG_RESULT(yes); HAVE_IPA=yes], AC_MSG_RESULT(no))
573	+	CFLAGS="$ocflags"
574	+	;;
575		esac
576
577		dnl Is the slirp library supported?
578	<	if [[ "x$ETHERSRC" = "xether_unix.cpp" ]]; then
578	>	case "$ac_cv_have_byte_bitfields" in
579	>	yes|"guessing yes")
580	>	CAN_SLIRP=yes
581	>	ETHERSRC=ether_unix.cpp
582	>	;;
583	>	esac
584	>	if [[ -n "$CAN_SLIRP" ]]; then
585		AC_DEFINE(HAVE_SLIRP, 1, [Define if slirp library is supported])
586		SLIRP_SRCS="\
587		../slirp/bootp.c     ../slirp/ip_output.c  ../slirp/tcp_input.c  \
#	Line 536 | Line 623 | dnl to be put into the config.h file
623		dnl $1 -- the macro to define
624		dnl $2 -- the value to translate
625		dnl $3 -- template name
626	<	AC_DEFUN(AC_TRANSLATE_DEFINE, [
626	>	AC_DEFUN([AC_TRANSLATE_DEFINE], [
627		if [[ "x$2" = "xyes" -o "x$2" = "xguessing yes" ]]; then
628		AC_DEFINE($1, 1, $3)
629		fi
#	Line 1178 | Line 1265 | HAVE_GCC27=no
1265		AC_MSG_CHECKING(for GCC 2.7 or higher)
1266		AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#if ! (__GNUC__ - 1 > 1 || __GNUC_MINOR__ - 1 > 5)
1267		# error gcc < 2.7
1268	+	typedef syntax error;
1269		#endif
1270		]])],
1271		[AC_MSG_RESULT(yes); HAVE_GCC27=yes],
#	Line 1188 | Line 1276 | HAVE_GCC30=no
1276		AC_MSG_CHECKING(for GCC 3.0 or higher)
1277		AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#if ! (__GNUC__ >= 3)
1278		# error gcc < 3
1279	+	typedef syntax error;
1280		#endif
1281		]])],
1282		[AC_MSG_RESULT(yes); HAVE_GCC30=yes],
#	Line 1235 | Line 1324 | if [[ "x$HAVE_GCC30" = "xyes" ]]; then
1324		CFLAGS="$SAVED_CFLAGS"
1325		fi
1326
1327	<	dnl Add -mdynamic-no-pic for MacOS X
1328	<	if [[ "x$HAVE_GCC30" = "xyes" ]]; then
1327	>	dnl Add -mdynamic-no-pic for MacOS X (XXX icc10 will support MacOS X)
1328	>	if [[ "x$HAVE_GCC30" = "xyes" -a "x$HAVE_ICC" = "xno" ]]; then
1329		SAVED_CFLAGS="$CFLAGS"
1330		CFLAGS="$CFLAGS -mdynamic-no-pic"
1331		AC_CACHE_CHECK([whether the compiler supports -mdynamic-no-pic],
#	Line 1275 | Line 1364 | if [[ "x$EMULATED_PPC" = "xyes" ]]; then
1364		i?86:elf)
1365		ac_cv_use_dyngen=yes
1366		;;
1367	+	mips:elf)
1368	+	ac_cv_use_dyngen=yes
1369	+	;;
1370		powerpc:mach)
1371		ac_cv_use_dyngen=yes
1372		;;
1373	+	i?86:mach)
1374	+	ac_cv_use_dyngen=yes
1375	+	;;
1376		*:*)
1377		ac_cv_use_dyngen=no
1378		;;
#	Line 1287 | Line 1382 | if [[ "x$EMULATED_PPC" = "xyes" ]]; then
1382		if [[ "x$HAVE_GCC27" = "xyes" -a "x$HAVE_ICC" = "xno" ]]; then
1383		DYNGEN_CC=$CXX
1384		else
1385	<	for p in /usr/bin /usr/local/bin; do
1385	>	for p in /usr/bin /usr/local/bin /usr/freeware/bin; do
1386		gxx="$p/g++"
1387		if [[ -x "$gxx" ]]; then
1388		DYNGEN_CC="$gxx"
#	Line 1302 | Line 1397 | if [[ "x$EMULATED_PPC" = "xyes" ]]; then
1397		if [[ "x$ac_cv_use_dyngen" = "xyes" ]]; then
1398		case $host_cpu in
1399		i?86)
1400	<	DYNGEN_OP_FLAGS="-fomit-frame-pointer -mpreferred-stack-boundary=2"
1400	>	DYNGEN_OP_FLAGS="-fomit-frame-pointer"
1401	>	;;
1402	>	mips)
1403	>	DYNGEN_OP_FLAGS="-fno-delayed-branch -mno-abicalls"
1404		;;
1405		powerpc)
1406		if [[ "x$ac_cv_object_format" = "xmach" ]]; then
#	Line 1310 | Line 1408 | if [[ "x$EMULATED_PPC" = "xyes" ]]; then
1408		fi
1409		;;
1410		esac
1411	<	if [[ "x$HAVE_GCC30" = "xyes" ]]; then
1411	>	have_dyngen_gcc3=no
1412	>	case "x`$DYNGEN_CC -dumpversion`" in
1413	>	x[12].*) ;;
1414	>	x*) have_dyngen_gcc3=yes ;;
1415	>	esac
1416	>	if [[ "x$have_dyngen_gcc3" = "xyes" ]]; then
1417		DYNGEN_OP_FLAGS="$DYNGEN_OP_FLAGS -falign-functions=0"
1418		else
1419		DYNGEN_OP_FLAGS="$DYNGEN_OP_FLAGS -malign-functions=0"
1420		fi
1421	<	DYNGEN_OP_FLAGS="$DYNGEN_OP_FLAGS -finline-limit=10000 -fno-exceptions -g0"
1422	<	if [[ "x$HAVE_GCC30" = "xyes" ]]; then
1421	>	DYNGEN_OP_FLAGS="$DYNGEN_OP_FLAGS -finline-functions -finline-limit=10000 -fno-exceptions -g0"
1422	>	if [[ "x$have_dyngen_gcc3" = "xyes" ]]; then
1423		DYNGEN_OP_FLAGS="$DYNGEN_OP_FLAGS -fno-reorder-blocks -fno-optimize-sibling-calls"
1424		fi
1425	+	if [[ "x$DYNGEN_CC" != "x$CXX" ]]; then
1426	+	DYNGEN_CFLAGS="-O2 $CFLAGS"
1427	+	DYNGEN_CXXFLAGS="-O2 $CXXFLAGS"
1428	+	else
1429	+	DYNGEN_CFLAGS="\$(CFLAGS)"
1430	+	DYNGEN_CXXFLAGS="\$(CXXFLAGS)"
1431	+	fi
1432		else
1433		WANT_JIT=no
1434		fi
#	Line 1367 | Line 1477 | if [[ "x$WANT_JIT" = "xyes" ]]; then
1477		CPPFLAGS="$CPPFLAGS -DUSE_JIT"
1478		fi
1479
1480	+	dnl Higher level optimizations with MIPSPro compilers are possible
1481	+	if [[ "x$HAVE_IPA" = "xyes" ]]; then
1482	+	CFLAGS="`echo $CFLAGS | sed -e 's/-g//g'` -O3 -OPT:Olimit=0 -IPA"
1483	+	CXXFLAGS="`echo $CXXFLAGS | sed -e 's/-g//g'` -O3 -OPT:Olimit=0 -IPA"
1484	+	CXXFLAGS="-LANG:std $CXXFLAGS"
1485	+	LDFLAGS="$LDFLAGS -O3 -OPT:Olimit=0 -IPA"
1486	+	fi
1487	+
1488	+	dnl Check for linker script support
1489	+	case $target_os:$target_cpu in
1490	+	linux*:i?86)    LINKER_SCRIPT_FLAGS="-Wl,-T,ldscripts/linux-i386.ld";;
1491	+	linux*:x86_64)  LINKER_SCRIPT_FLAGS="-Wl,-T,ldscripts/linux-x86_64.ld";;
1492	+	linux*:powerpc) LINKER_SCRIPT_FLAGS="-Wl,-T,ldscripts/linux-ppc.ld";;
1493	+	netbsd*:i?86)   LINKER_SCRIPT_FLAGS="-Wl,-T,ldscripts/linux-i386.ld";;
1494	+	freebsd*:i?86)  LINKER_SCRIPT_FLAGS="-Wl,-T,ldscripts/freebsd-i386.ld";;
1495	+	darwin*:*)      LINKER_SCRIPT_FLAGS="-Wl,-seg1addr,0x78048000";;
1496	+	esac
1497	+	if [[ -n "$LINKER_SCRIPT_FLAGS" ]]; then
1498	+	AC_CACHE_CHECK([whether linker script is usable],
1499	+	ac_cv_linker_script_works, [
1500	+	AC_LANG_SAVE
1501	+	AC_LANG_CPLUSPLUS
1502	+	saved_LDFLAGS="$LDFLAGS"
1503	+	LDFLAGS="$LDFLAGS $LINKER_SCRIPT_FLAGS"
1504	+	AC_TRY_RUN(
1505	+	[int main() {if ((char *)&main < (char *)0x70000000) return 1;}],
1506	+	[ac_cv_linker_script_works=yes],
1507	+	[ac_cv_linker_script_works=no],
1508	+	dnl When cross-compiling, assume it works
1509	+	[ac_cv_linker_script_works="guessing yes"]
1510	+	)
1511	+	AC_LANG_RESTORE
1512	+	if [[ "$ac_cv_linker_script_works" = "no" ]]; then
1513	+	LDFLAGS="$saved_LDFLAGS"
1514	+	LINKER_SCRIPT_FLAGS=""
1515	+	fi
1516	+	])
1517	+	fi
1518	+	AC_TRANSLATE_DEFINE(HAVE_LINKER_SCRIPT, "$ac_cv_linker_script_works",
1519	+	[Define if there is a linker script to relocate the executable above 0x70000000.])
1520	+
1521		dnl Generate Makefile.
1522		AC_SUBST(PERL)
1523		AC_SUBST(USE_DYNGEN, [$ac_cv_use_dyngen])
1524		AC_SUBST(DYNGENSRCS)
1525		AC_SUBST(DYNGEN_CC)
1526	+	AC_SUBST(DYNGEN_CFLAGS)
1527	+	AC_SUBST(DYNGEN_CXXFLAGS)
1528		AC_SUBST(DYNGEN_OP_FLAGS)
1529		AC_SUBST(SYSSRCS)
1530		AC_SUBST(CPUSRCS)

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