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root/cebix/BasiliskII/src/Unix/configure.in

Comparing BasiliskII/src/Unix/configure.in (file contents):
Revision 1.33 by cebix, 2001-02-10T15:29:01Z vs.
Revision 1.41 by cebix, 2001-05-22T19:01:44Z

#	Line 11 | Line 11 | AC_ARG_ENABLE(xf86-vidmode,  [  --enable
11		AC_ARG_ENABLE(fbdev-dga,     [  --enable-fbdev-dga      use direct frame buffer access via /dev/fb [default=yes]], [WANT_FBDEV_DGA=$enableval], [WANT_FBDEV_DGA=yes])
12		AC_ARG_ENABLE(vosf,          [  --enable-vosf           enable video on SEGV signals [default=no]], [WANT_VOSF=$enableval], [WANT_VOSF=no])
13
14	+	dnl FPU emulation core.
15	+	AC_ARG_ENABLE(fpe,
16	+	[  --enable-fpe=which      specify which fpu emulator to use [default=opt]],
17	+	[ case "$enableval" in
18	+	default)    FPE_CORE="default";; dnl fpu_x86.cpp if i386 architecture, fpu_uae.cpp otherwise
19	+	uae)            FPE_CORE="uae";;
20	+	*)                      AC_MSG_ERROR([--enable-fpe takes only one of the following values: default, uae]);;
21	+	esac
22	+	],
23	+	[ FPE_CORE="default"
24	+	])
25	+
26		dnl Addressing modes.
27		AC_ARG_ENABLE(addressing,
28		[  --enable-addressing=AM  specify the addressing mode to use [default=fastest]],
#	Line 200 | Line 212 | AC_STRUCT_TM
212		dnl Checks for library functions.
213		AC_CHECK_FUNCS(strdup cfmakeraw)
214		AC_CHECK_FUNCS(clock_gettime timer_create)
215	+	AC_CHECK_FUNCS(sigaction signal)
216
217		dnl Select system-dependant source files.
218		SERIALSRC=serial_unix.cpp
#	Line 210 | Line 223 | EXTRASYSSRCS=
223		CAN_NATIVE_M68K=no
224		case "$target_os" in
225		linux*)
226	<	ETHERSRC=Linux/ether_linux.cpp
214	<	SCSISRC=Linux/scsi_linux.cpp
226	>	ETHERSRC=ether_unix.cpp
227		AUDIOSRC=audio_oss_esd.cpp
228	+	SCSISRC=Linux/scsi_linux.cpp
229		;;
230	<	freebsd*3.*)
230	>	freebsd*)
231	>	ETHERSRC=ether_unix.cpp
232		AUDIOSRC=audio_oss_esd.cpp
233		DEFINES="$DEFINES -DBSD_COMP"
234	+	CXXFLAGS="$CXXFLAGS -fpermissive"
235		dnl Check for the CAM library
236		AC_CHECK_LIB(cam, cam_open_btl, HAVE_LIBCAM=yes, HAVE_LIBCAM=no)
237		if [[ "x$HAVE_LIBCAM" = "xno" ]]; then
238		AC_MSG_WARN([Cannot find libcam for SCSI management, disabling SCSI support.])
239		else
240		dnl Check for the sys kernel includes
241	<	AC_CHECK_HEADER(/sys/cam/cam.h)
242	<	if [[ "x$ac_cv_header__sys_cam_cam_h" = "xno" ]]; then
241	>	AC_CHECK_HEADER(camlib.h)
242	>	if [[ "x$ac_cv_header_camlib_h" = "xno" ]]; then
243		dnl In this case I should fix this thing including a "patch"
244		dnl to access directly to the functions in the kernel :) --Orlando
245	<	AC_MSG_WARN([Cannot find kernel includes for CAM library, disabling SCSI support.])
245	>	AC_MSG_WARN([Cannot find includes for CAM library, disabling SCSI support.])
246		else
247		SCSISRC=FreeBSD/scsi_freebsd.cpp
233	–	CXXFLAGS="$CXXFLAGS -I/sys"
234	–	CFLAGS="$CFLAGS -I/sys"
248		LIBS="$LIBS -lcam"
249		DEFINES="$DEFINES -DCAM"
250		fi
251		fi
252		;;
240	–	freebsd*)
241	–	DEFINES="$DEFINES -DBSD_COMP"
242	–	dnl Check for the SCSI library
243	–	AC_CHECK_LIB(scsi, scsi_open, HAVE_LIBSCSI=yes, HAVE_LIBSCSI=no)
244	–	if [[ "x$HAVE_LIBSCSI" = "xno" ]]; then
245	–	AC_MSG_WARN([Cannot find libscsi for SCSI management, disabling SCSI support.])
246	–	else
247	–	dnl Check for the sys kernel includes
248	–	AC_CHECK_HEADER(scsi.h sys/scsiio.h)
249	–	if [[ "x$ac_cv_header_scsi_h" = "xno" ]]; then
250	–	AC_MSG_WARN([Cannot find includes for the SCSI library, disabling SCSI support.])
251	–	else
252	–	SCSISRC=FreeBSD/scsi_freebsd.cpp
253	–	LIBS="$LIBS -lscsi"
254	–	fi
255	–	fi
256	–	;;
253		netbsd*)
254		CAN_NATIVE_M68K=yes
255		;;
#	Line 267 | Line 263 | irix*)
263		dnl IRIX headers work fine, but somehow don't define or use "STDC_HEADERS"
264		DEFINES="$DEFINES -DCRTSCTS=CNEW_RTSCTS -DB230400=B115200 -DSTDC_HEADERS"
265		LIBS="$LIBS -laudio"
266	+
267	+	dnl Check if our compiler supports -Ofast (MIPSPro)
268	+	HAVE_OFAST=no
269	+	ocflags="$CFLAGS"
270	+	CFLAGS=`echo $CFLAGS | sed -e 's/ -g / -Ofast /;s/^-g /-Ofast /;s/-g$/ -Ofast/;s/^-g$/-Ofast/'`
271	+	AC_MSG_CHECKING(if "-Ofast" works)
272	+	dnl Do a test compile of an empty function
273	+	AC_TRY_COMPILE(,, [AC_MSG_RESULT(yes); HAVE_OFAST=yes], AC_MSG_RESULT(no))
274	+	CFLAGS="$ocflags"
275	+
276		;;
277		esac
278
#	Line 323 | Line 329 | AC_CACHE_CHECK("whether we can map Low M
329		]
330		)
331
332	<	dnl Check if extended signals are supported.
333	<	AC_CACHE_CHECK("whether your system supports extended signal handlers",
334	<	ac_cv_have_extended_signals, [
332	>	dnl Check signal handlers need to be reinstalled
333	>	AC_CACHE_CHECK("whether signal handlers need to be reinstalled",
334	>	ac_cv_signal_need_reinstall, [
335	>	AC_LANG_SAVE
336	>	AC_LANG_CPLUSPLUS
337	>	AC_TRY_RUN([
338	>	#include <stdlib.h>
339	>	#ifdef HAVE_UNISTD_H
340	>	#include <unistd.h>
341	>	#endif
342	>	#include <signal.h>
343	>	static int handled_signal = 0;
344	>	RETSIGTYPE sigusr1_handler(int) { handled_signal++; }
345	>	int main(void) { /* returns 0 if signals need not to be reinstalled */
346	>	signal(SIGUSR1, sigusr1_handler); raise(SIGUSR1); raise(SIGUSR1);
347	>	exit(handled_signal == 2);
348	>	}
349	>	],
350	>	[ac_cv_signal_need_reinstall=yes],
351	>	[ac_cv_signal_need_reinstall=no]
352	>	)
353	>	AC_LANG_RESTORE
354	>	]
355	>	)
356	>	AC_TRANSLATE_DEFINE(SIGNAL_NEED_REINSTALL, "$ac_cv_signal_need_reinstall")
357	>
358	>	dnl Check if sigaction handlers need to be reinstalled
359	>	AC_CACHE_CHECK("whether sigaction handlers need to be reinstalled",
360	>	ac_cv_sigaction_need_reinstall, [
361		AC_LANG_SAVE
362		AC_LANG_CPLUSPLUS
363		AC_TRY_RUN([
332	–	#include <unistd.h>
364		#include <stdlib.h>
365	+	#ifdef HAVE_UNISTD_H
366	+	#include <unistd.h>
367	+	#endif
368		#include <signal.h>
369	<	#include <fcntl.h>
370	<	#include <sys/mman.h>
371	<
372	<	static volatile caddr_t mem = 0;
373	<	static int zero_fd = -1;
374	<
375	<	static RETSIGTYPE segfault_handler(int, siginfo_t * sip, void *)
376	<	{ if ((caddr_t)(sip->si_addr) != mem) exit(1);
343	<	munmap(mem, getpagesize()); close(zero_fd); exit(0); }
344	<
345	<	int main()
346	<	{ if ((zero_fd = open("/dev/zero", O_RDWR)) < 0) exit(1);
347	<	if ((mem = (caddr_t)mmap(0, getpagesize(), PROT_READ, MAP_PRIVATE, zero_fd, 0)) == (caddr_t)MAP_FAILED) exit(1);
348	<	struct sigaction sa; sa.sa_sigaction = segfault_handler; sa.sa_flags = SA_SIGINFO;
349	<	sigaction(SIGSEGV, &sa, 0);
350	<	mem[0] = 0;
351	<	exit(1); // should not be reached
369	>	static int handled_signal = 0;
370	>	RETSIGTYPE sigusr1_handler(int) { handled_signal++; }
371	>	typedef RETSIGTYPE (*signal_handler)(int);
372	>	static signal_handler mysignal(int sig, signal_handler handler) {
373	>	struct sigaction old_sa;
374	>	struct sigaction new_sa;
375	>	new_sa.sa_handler = handler;
376	>	return ((sigaction(sig,&new_sa,&old_sa) < 0) ? SIG_IGN : old_sa.sa_handler);
377		}
378	+	int main(void) { /* returns 0 if signals need not to be reinstalled */
379	+	mysignal(SIGUSR1, sigusr1_handler); raise(SIGUSR1); raise(SIGUSR1);
380	+	exit(handled_signal == 2);
381	+	}
382	+	],
383	+	[ac_cv_sigaction_need_reinstall=yes],
384	+	[ac_cv_sigaction_need_reinstall=no]
385	+	)
386	+	AC_LANG_RESTORE
387	+	]
388	+	)
389	+	AC_TRANSLATE_DEFINE(SIGACTION_NEED_REINSTALL, "$ac_cv_sigaction_need_reinstall")
390	+
391	+	dnl Check if extended signals are supported.
392	+	AC_CACHE_CHECK("whether your system supports extended signal handlers",
393	+	ac_cv_have_extended_signals, [
394	+	AC_LANG_SAVE
395	+	AC_LANG_CPLUSPLUS
396	+	AC_TRY_RUN([
397	+	#define HAVE_SIGINFO_T 1
398	+	#define CONFIGURE_TEST
399	+	#include "sigsegv.cpp"
400		],
401		[ac_cv_have_extended_signals=yes],
402		[ac_cv_have_extended_signals=no]
#	Line 361 | Line 408 | AC_TRANSLATE_DEFINE(HAVE_SIGINFO_T, "$ac
408
409		dnl Otherwise, check for subterfuges.
410		if [[ "x$ac_cv_have_extended_signals" = "xno" ]]; then
411	<	case "$target_os" in
412	<	linux*)
413	<	if [[ "x$HAVE_I386" = "xyes" ]]; then
414	<	AC_CACHE_CHECK("whether we then have a subterfuge for your system",
415	<	ac_cv_have_sigcontext_hack, [
416	<	AC_LANG_SAVE
417	<	AC_LANG_CPLUSPLUS
418	<	AC_TRY_RUN([
419	<	#include <unistd.h>
420	<	#include <signal.h>
421	<	#include <fcntl.h>
422	<	#include <sys/mman.h>
423	<
424	<	static volatile caddr_t mem = 0;
425	<	static int zero_fd = -1;
379	<
380	<	static RETSIGTYPE segfault_handler(int, struct sigcontext scs)
381	<	{ if ((caddr_t)(scs.cr2) != mem) exit(1);
382	<	munmap(mem, getpagesize()); close(zero_fd); exit(0); }
383	<
384	<	int main()
385	<	{ if ((zero_fd = open("/dev/zero", O_RDWR)) < 0) exit(1);
386	<	if ((mem = (caddr_t)mmap(0, getpagesize(), PROT_READ, MAP_PRIVATE, zero_fd, 0)) == (caddr_t)MAP_FAILED) exit(1);
387	<	struct sigaction sa; sa.sa_flags = 0;
388	<	sa.sa_handler = (RETSIGTYPE (*)(int))segfault_handler;
389	<	sigaction(SIGSEGV, &sa, 0);
390	<	mem[0] = 0;
391	<	exit(1); // should not be reached
392	<	}
393	<	],
394	<	[ac_cv_have_sigcontext_hack=yes],
395	<	[ac_cv_have_sigcontext_hack=no]
396	<	)
397	<	AC_LANG_RESTORE
398	<	])
399	<	AC_TRANSLATE_DEFINE(HAVE_SIGCONTEXT_SUBTERFUGE, $ac_cv_have_sigcontext_hack)
400	<	elif [[ "x$HAVE_POWERPC" = "xyes" ]]; then
401	<	AC_CACHE_CHECK("whether we then have a subterfuge for your system",
402	<	ac_cv_have_sigcontext_hack, [
403	<	AC_LANG_SAVE
404	<	AC_LANG_CPLUSPLUS
405	<	AC_TRY_RUN([
406	<	#include <unistd.h>
407	<	#include <signal.h>
408	<	#include <fcntl.h>
409	<	#include <sys/mman.h>
410	<
411	<	static volatile caddr_t mem = 0;
412	<	static int zero_fd = -1;
413	<
414	<	static RETSIGTYPE segfault_handler(int, struct sigcontext_struct *scs)
415	<	{ if ((caddr_t)(scs->regs->dar) != mem) exit(1);
416	<	munmap(mem, getpagesize()); close(zero_fd); exit(0); }
417	<
418	<	int main()
419	<	{ if ((zero_fd = open("/dev/zero", O_RDWR)) < 0) exit(1);
420	<	if ((mem = (caddr_t)mmap(0, getpagesize(), PROT_READ, MAP_PRIVATE, zero_fd, 0)) == (caddr_t)MAP_FAILED) exit(1);
421	<	struct sigaction sa; sa.sa_flags = 0;
422	<	sa.sa_handler = (RETSIGTYPE (*)(int))segfault_handler;
423	<	sigaction(SIGSEGV, &sa, 0);
424	<	mem[0] = 0;
425	<	exit(1); // should not be reached
426	<	}
427	<	],
428	<	[ac_cv_have_sigcontext_hack=yes],
429	<	[ac_cv_have_sigcontext_hack=no]
430	<	)
431	<	AC_LANG_RESTORE
432	<	])
433	<	AC_TRANSLATE_DEFINE(HAVE_SIGCONTEXT_SUBTERFUGE, $ac_cv_have_sigcontext_hack)
434	<	fi
435	<	;;
436	<	netbsd*)
437	<	if [[ "x$HAVE_M68K" = "xyes" ]]; then
438	<	AC_CACHE_CHECK("whether we then have a subterfuge for your system",
439	<	ac_cv_have_sigcontext_hack, [
440	<	AC_LANG_SAVE
441	<	AC_LANG_CPLUSPLUS
442	<	AC_TRY_RUN([
443	<	#include <unistd.h>
444	<	#include <signal.h>
445	<	#include <fcntl.h>
446	<	#include <sys/mman.h>
447	<
448	<	static volatile caddr_t mem = 0;
449	<	static int zero_fd = -1;
450	<
451	<	static RETSIGTYPE segfault_handler(int, int code)
452	<	{ if ((caddr_t)code != mem) exit(1);
453	<	munmap(mem, getpagesize()); close(zero_fd); exit(0); }
454	<
455	<	int main()
456	<	{ if ((zero_fd = open("/dev/zero", O_RDWR)) < 0) exit(1);
457	<	if ((mem = (caddr_t)mmap(0, getpagesize(), PROT_READ, MAP_PRIVATE, zero_fd, 0)) == (caddr_t)MAP_FAILED) exit(1);
458	<	struct sigaction sa; sa.sa_flags = 0;
459	<	sa.sa_handler = (RETSIGTYPE (*)(int))segfault_handler;
460	<	sigaction(SIGSEGV, &sa, 0);
461	<	mem[0] = 0;
462	<	exit(1); // should not be reached
463	<	}
464	<	],
465	<	[ac_cv_have_sigcontext_hack=yes],
466	<	[ac_cv_have_sigcontext_hack=no]
467	<	)
468	<	AC_LANG_RESTORE
469	<	])
470	<	AC_TRANSLATE_DEFINE(HAVE_SIGCONTEXT_SUBTERFUGE, $ac_cv_have_sigcontext_hack)
471	<	fi
472	<	;;
473	<	esac
411	>	AC_CACHE_CHECK("whether we then have a subterfuge for your system",
412	>	ac_cv_have_sigcontext_hack, [
413	>	AC_LANG_SAVE
414	>	AC_LANG_CPLUSPLUS
415	>	AC_TRY_RUN([
416	>	#define HAVE_SIGCONTEXT_SUBTERFUGE 1
417	>	#define CONFIGURE_TEST
418	>	#include "sigsegv.cpp"
419	>	],
420	>	[ac_cv_have_sigcontext_hack=yes],
421	>	[ac_cv_have_sigcontext_hack=no]
422	>	)
423	>	AC_LANG_RESTORE
424	>	])
425	>	AC_TRANSLATE_DEFINE(HAVE_SIGCONTEXT_SUBTERFUGE, "$ac_cv_have_sigcontext_hack")
426		fi
427
428		dnl Can we do Video on SEGV Signals ?
#	Line 562 | Line 514 | fi
514		dnl Select appropriate CPU source and REGPARAM define.
515		ASM_OPTIMIZATIONS=none
516		CPUSRCS="cpuemu1.cpp cpuemu2.cpp cpuemu3.cpp cpuemu4.cpp cpuemu5.cpp cpuemu6.cpp cpuemu7.cpp cpuemu8.cpp"
517	<	FPUSRCS="../uae_cpu/fpp.cpp"
518	<	if [[ "x$HAVE_GCC27" = "xyes" -a "x$HAVE_I386" = "xyes" ]]; then
517	>	FPUSRCS="../uae_cpu/fpu/fpu_uae.cpp"
518	>	if [[ "x$HAVE_GCC27" = "xyes" -a "x$HAVE_I386" = "xyes" -a "x$OS_TYPE" != "xfreebsd" ]]; then
519		dnl i386 CPU
520		DEFINES="$DEFINES -DREGPARAM=\"__attribute__((regparm(3)))\""
521		if [[ "x$HAVE_GAS" = "xyes" ]]; then
522		ASM_OPTIMIZATIONS=i386
523		DEFINES="$DEFINES -DX86_ASSEMBLY -DUNALIGNED_PROFITABLE -DOPTIMIZED_FLAGS"
524	<	CPUSRCS="../uae_cpu/compiler.cpp cpufast1.s cpufast2.s cpufast3.s cpufast4.s cpufast5.s cpufast6.s cpufast7.s cpufast8.s"
524	>	CPUSRCS="cpufast1.s cpufast2.s cpufast3.s cpufast4.s cpufast5.s cpufast6.s cpufast7.s cpufast8.s"
525		FPUSRCS="../uae_cpu/fpu_x86.cpp"
526		fi
527		elif [[ "x$HAVE_GCC27" = "xyes" -a "x$HAVE_SPARC" = "xyes" -a "x$HAVE_GAS" = "xyes" ]]; then
#	Line 601 | Line 553 | elif [[ "x$WANT_NATIVE_M68K" = "xyes" ]]
553		CPUSRCS="asm_support.s"
554		fi
555
556	+	dnl Select appropriate FPU source.
557	+	dnl 1. Optimized X86 assembly core if target is i386 architecture
558	+	SAVED_DEFINES=$DEFINES
559	+	if [[ "x$FPE_CORE" = "xdefault" ]]; then
560	+	if [[ "x$HAVE_GCC27" = "xyes" -a "x$HAVE_I386" = "xyes" -a "x$HAVE_GAS" = "xyes" ]]; then
561	+	DEFINES="$DEFINES -DFPU_X86"
562	+	FPE_CORE_STR="i386 optimized core"
563	+	FPUSRCS="../uae_cpu/fpu/fpu_x86.cpp"
564	+	else
565	+	FPE_CORE="uae"
566	+	fi
567	+	fi
568	+
569	+	dnl 2. JIT-FPU only supports IEEE-based implementation.
570	+	if [[ "x$WANT_JIT_FPU" = "xyes" -a "x$FPE_CORE" != "xieee" ]]; then
571	+	AC_MSG_WARN([Sorry, JIT-FPU supports only the "ieee" FPE implementation])
572	+	FPE_CORE="ieee"
573	+	dnl Restore previous variables. FPE_CORE_STR and FPUSRCS are overwritten
574	+	DEFINES=$SAVED_DEFINES
575	+	fi
576	+
577	+	dnl 3. Choose either IEEE-based implementation or the old UAE core
578	+	if [[ "x$FPE_CORE" = "xieee" ]]; then
579	+	AC_CHECK_HEADERS(fenv.h)
580	+	AC_CHECK_FUNCS(feclearexcept fegetexceptflag feraiseexcept fesetexceptflag fetestexcept)
581	+	AC_CHECK_FUNCS(fegetround fesetround)
582	+	DEFINES="$DEFINES -DFPU_IEEE"
583	+	FPE_CORE_STR="ieee-based fpu core"
584	+	FPUSRCS="../uae_cpu/fpu/fpu_ieee.cpp"
585	+	elif [[ "x$FPE_CORE" = "xuae" ]]; then
586	+	DEFINES="$DEFINES -DFPU_UAE"
587	+	FPE_CORE_STR="original uae core"
588	+	FPUSRCS="../uae_cpu/fpu/fpu_uae.cpp"
589	+	fi
590	+
591	+	dnl Check for certain math functions
592	+	AC_CHECK_FUNCS(atanh)
593	+	AC_CHECK_FUNCS(isnan isinf)             dnl C99
594	+	AC_CHECK_FUNCS(isnanl isinfl)   dnl IEEE ?
595	+
596		dnl UAE CPU sources for all non-m68k-native architectures.
597		if [[ "x$WANT_NATIVE_M68K" = "xno" ]]; then
598		CPUINCLUDES="-I../uae_cpu"
#	Line 614 | Line 606 | if [[ "x$HAVE_GCC27" = "xyes" ]]; then
606		CXXFLAGS=`echo $CXXFLAGS | sed -e 's/ -g / /;s/^-g / /;s/ -g$/ /;s/^-g$//'`
607		fi
608
609	+	dnl Or if we have -Ofast
610	+	if [[ "x$HAVE_OFAST" = "xyes" ]]; then
611	+	CFLAGS=`echo $CFLAGS | sed -e 's/ -g / -Ofast /;s/^-g /-Ofast /;s/-g$/ -Ofast/;s/^-g$/-Ofast/'`
612	+	CXXFLAGS=`echo $CXXFLAGS | sed -e 's/ -g / -Ofast /;s/^-g /-Ofast /;s/ -g$/ -Ofast/;s/^-g$/-Ofast/'`
613	+	CXXFLAGS="-LANG:std $CXXFLAGS"
614	+	LDFLAGS="$LDFLAGS -Ofast"
615	+	fi
616	+
617		dnl Generate Makefile.
618		AC_SUBST(DEFINES)
619		AC_SUBST(SYSSRCS)
#	Line 633 | Line 633 | echo ESD sound support ................
633		echo GTK user interface ............... : $WANT_GTK
634		echo mon debugger support ............. : $WANT_MON
635		echo Running m68k code natively ....... : $WANT_NATIVE_M68K
636	+	echo Floating-Point emulation core .... : $FPE_CORE_STR
637		echo Assembly optimizations ........... : $ASM_OPTIMIZATIONS
638		echo Addressing mode .................. : $ADDRESSING_MODE
639		echo

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