3 # GMP config.guess wrapper.
6 # Copyright 2000, 2001, 2002, 2003, 2004, 2005, 2006 Free Software Foundation,
9 # This file is part of the GNU MP Library.
11 # The GNU MP Library is free software; you can redistribute it and/or modify
12 # it under the terms of the GNU Lesser General Public License as published
13 # by the Free Software Foundation; either version 2.1 of the License, or (at
14 # your option) any later version.
16 # The GNU MP Library is distributed in the hope that it will be useful, but
17 # WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
18 # or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
19 # License for more details.
21 # You should have received a copy of the GNU Lesser General Public License
22 # along with the GNU MP Library; see the file COPYING.LIB. If not, write to
23 # the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
29 # Print the host system CPU-VENDOR-OS.
31 # configfsf.guess is run and its guess then sharpened up to take advantage
32 # of the finer grained CPU types that GMP knows.
35 # Expect to find configfsf.guess in the same directory as this config.guess
36 configfsf_guess="`echo \"$0\" | sed 's/config.guess$/configfsf.guess/'`"
37 if test "$configfsf_guess" = "$0"; then
38 echo "Cannot derive configfsf.guess from $0" 1>&2
41 if test -f "$configfsf_guess"; then
44 echo "$configfsf_guess not found" 1>&2
48 # Setup a $SHELL with which to run configfsf.guess, using the same
49 # $CONFIG_SHELL or /bin/sh as autoconf does when running config.guess
50 SHELL=${CONFIG_SHELL-/bin/sh}
52 # Identify ourselves on --version, --help or errors
54 echo "(GNU MP wrapped config.guess)"
55 $SHELL $configfsf_guess "$@"
59 guess_full=`$SHELL $configfsf_guess`
64 guess_cpu=`echo "$guess_full" | sed 's/-.*$//'`
65 guess_rest=`echo "$guess_full" | sed 's/^[^-]*//'`
69 # -------------------------------------------------------------------------
70 # The following should look at the current guess and probe the system to
71 # establish a better guess in exact_cpu. Leave exact_cpu empty if probes
72 # can't be done, or don't work.
74 # When a number of probes are done, test -z "$exact_cpu" can be used instead
75 # of putting each probe under an "else" of the preceeding. That can stop
76 # the code getting horribly nested and marching off the right side of the
79 # Note that when a compile-and-link is done in one step we need to remove .o
80 # files, since lame C compilers generate these even when not asked.
84 trap 'rm -f $dummy.c $dummy.o $dummy.core $dummy ${dummy}1.s ${dummy}2.c ; exit 1' 1 2 15
86 # Use $HOST_CC if defined. $CC may point to a cross-compiler
87 if test x"$CC_FOR_BUILD" = x; then
88 if test x"$HOST_CC" != x; then
89 CC_FOR_BUILD="$HOST_CC"
91 if test x"$CC" != x; then
94 echo 'dummy(){}' >$dummy.c
95 for c in cc gcc c89 c99; do
96 ($c $dummy.c -c) >/dev/null 2>&1
98 CC_FOR_BUILD="$c"; break
101 rm -f $dummy.c $dummy.o
102 if test x"$CC_FOR_BUILD" = x; then
103 CC_FOR_BUILD=no_compiler_found
110 case "$guess_full" in
113 # configfsf.guess detects exact alpha cpu types for OSF and GNU/Linux, but
114 # not for *BSD and other systems. We try to get an exact type for any
115 # plain "alpha" it leaves.
117 # configfsf.guess used to have a block of code not unlike this, but these
118 # days does its thing with Linux kernel /proc/cpuinfo or OSF psrinfo.
123 .byte 37,100,45,37,120,10,0 # "%d-%x\n"
129 .frame \$30,16,\$26,0
132 .long 0x47e03d91 # implver \$17
134 .long 0x47e20c21 # amask \$2,\$1
143 $CC_FOR_BUILD $dummy.s -o $dummy 2>/dev/null
144 if test "$?" = 0 ; then
146 0-0) exact_cpu=alpha ;;
147 1-0) exact_cpu=alphaev5 ;;
148 1-1) exact_cpu=alphaev56 ;;
149 1-101) exact_cpu=alphapca56 ;;
150 2-303) exact_cpu=alphaev6 ;;
151 2-307) exact_cpu=alphaev67 ;;
152 2-1307) exact_cpu=alphaev68 ;;
155 rm -f $dummy.s $dummy.o $dummy
159 # CPUID[3] bits 24 to 31 is the processor family. itanium2 is documented
160 # as 0x1f, plain itanium has been seen returning 0x07 on two systems, but
161 # haven't found any documentation on it as such.
163 # Defining both getcpuid and _getcpuid lets us ignore whether the system
164 # expects underscores or not.
166 # "unsigned long long" is always 64 bits, in fact on hpux in ilp32 mode
167 # (which is the default there), it's the only 64-bit type.
169 cat >${dummy}a.s <<EOF
174 mov r8 = CPUID[r32] ;;
175 br.ret.sptk.many rp ;;
180 mov r8 = CPUID[r32] ;;
181 br.ret.sptk.many rp ;;
184 cat >${dummy}b.c <<EOF
186 unsigned long long getcpuid ();
190 if (getcpuid(0LL) == 0x49656E69756E6547LL && getcpuid(1LL) == 0x6C65746ELL)
193 switch ((getcpuid(3LL) >> 24) & 0xFF) {
194 case 0x07: puts ("itanium"); break;
195 case 0x1F: puts ("itanium2"); break;
201 if $CC_FOR_BUILD ${dummy}a.s ${dummy}b.c -o $dummy >/dev/null 2>&1; then
204 rm -f ${dummy}a.s ${dummy}a.o ${dummy}b.c ${dummy}b.o $dummy $dummy.core core
208 # IRIX 6 and up always has a 64-bit mips cpu
213 # NetBSD (and presumably other *BSD) "sysctl hw.model" gives for example
214 # hw.model = Apple Macintosh Quadra 610 (68040)
215 exact_cpu=`(sysctl hw.model) 2>/dev/null | sed -n 's/^.*\(680[012346]0\).*$/m\1/p'`
216 if test -z "$exact_cpu"; then
217 # Linux kernel 2.2 gives for example "CPU: 68020" (tabs in between).
218 exact_cpu=`sed -n 's/^CPU:.*\(680[012346]0\).*$/m\1/p' /proc/cpuinfo 2>/dev/null`
220 if test -z "$exact_cpu"; then
221 # Try: movel #0,%d0; rts
222 # This is to check the compiler and our asm code works etc, before
223 # assuming failures below indicate cpu characteristics.
224 # .byte is used to avoid problems with assembler syntax variations.
225 # For testing, provoke failures by adding "illegal" possibly as
236 if ($CC_FOR_BUILD $dummy.s -o $dummy && ./$dummy) >/dev/null 2>&1; then
238 # $SHELL -c is used to execute ./$dummy below, since (./$dummy)
239 # 2>/dev/null still prints the SIGILL message on some shells.
250 .byte 0x4e, 0x74, 0x00, 0x00
252 if $CC_FOR_BUILD $dummy.s -o $dummy >/dev/null 2>&1; then
253 $SHELL -c ./$dummy >/dev/null 2>&1
254 if test $? != 0; then
255 exact_cpu=m68000 # because rtd didn't work
260 if test -z "$exact_cpu"; then
264 # Another possibility for identifying 68000 and 68010 is the
265 # different value stored by "movem a0,(a0)+"
276 if $CC_FOR_BUILD $dummy.s -o $dummy >/dev/null 2>&1; then
277 $SHELL -c ./$dummy >/dev/null 2>&1
278 if test $? != 0; then
279 exact_cpu=m68010 # because trapf didn't work
284 if test -z "$exact_cpu"; then
285 # Try: bfffo %d1{0:31},%d0
294 .byte 0xED, 0xC1, 0x00, 0x1F
298 if $CC_FOR_BUILD $dummy.s -o $dummy >/dev/null 2>&1; then
299 $SHELL -c ./$dummy >/dev/null 2>&1
300 if test $? != 0; then
301 exact_cpu=m68360 # cpu32, because bfffo didn't work
306 if test -z "$exact_cpu"; then
307 # FIXME: Now we know 68020 or up, but how to detect 030, 040 and 060?
311 rm -f $dummy.s $dummy.o $dummy $dummy.core core
313 if test -z "$exact_cpu"; then
314 case "$guess_full" in
315 *-*-next* | *-*-openstep*) # NeXTs are 68020 or better
322 rs6000-*-* | powerpc*-*-*)
323 # Enhancement: On MacOS the "machine" command prints for instance
324 # "ppc750". Interestingly on powerpc970-apple-darwin6.8.5 it prints
325 # "ppc970" where there's no actual #define for 970 from NXGetLocalArchInfo
326 # (as noted below). But the man page says the command is still "under
327 # development", so it doesn't seem wise to use it just yet, not while
328 # there's an alternative.
330 # Try to read the PVR. mfpvr is a protected instruction, NetBSD, MacOS
331 # and AIX don't allow it in user mode, but the Linux kernel does.
333 # Using explicit bytes for mfpvr avoids worrying about assembler syntax
334 # and underscores. "char"s are used instead of "int"s to avoid worrying
335 # whether sizeof(int)==4 or if it's the right endianness.
337 # Note this is no good on AIX, since a C function there is the address of
338 # a function descriptor, not actual code. But this doesn't matter since
339 # AIX doesn't allow mfpvr anyway.
344 int n; /* force 4-byte alignment */
349 0x7c, 0x7f, 0x42, 0xa6, /* mfpvr r3 */
350 0x4e, 0x80, 0x00, 0x20, /* blr */
359 /* a separate "fun" variable is necessary for gcc 2.95.2 on MacOS,
360 it gets a compiler error on a combined cast and call */
361 fun = (unsigned (*)()) getpvr.a;
365 case 0x0001: puts ("powerpc601"); break;
366 case 0x0003: puts ("powerpc603"); break;
367 case 0x0004: puts ("powerpc604"); break;
368 case 0x0006: puts ("powerpc603e"); break;
369 case 0x0007: puts ("powerpc603e"); break; /* 603ev */
370 case 0x0008: puts ("powerpc750"); break;
371 case 0x0009: puts ("powerpc604e"); break;
372 case 0x000a: puts ("powerpc604e"); break; /* 604ev5 */
373 case 0x000c: puts ("powerpc7400"); break;
374 case 0x0041: puts ("powerpc630"); break;
375 case 0x0050: puts ("powerpc860"); break;
376 case 0x8000: puts ("powerpc7450"); break;
377 case 0x8001: puts ("powerpc7455"); break;
378 case 0x8002: puts ("powerpc7457"); break;
379 case 0x800c: puts ("powerpc7410"); break;
384 if ($CC_FOR_BUILD $dummy.c -o $dummy) >/dev/null 2>&1; then
385 # This style construct is needed on AIX 4.3 to suppress the SIGILL error
386 # from (*fun)(). Using $SHELL -c ./$dummy 2>/dev/null doesn't work.
387 { x=`./$dummy`; } 2>/dev/null
388 if test -n "$x"; then
392 rm -f $dummy.c $dummy.o $dummy $dummy.core
394 # Grep the linux kernel /proc/cpuinfo pseudo-file.
395 # Anything unrecognised is ignored, since of course we mustn't spit out
396 # a cpu type config.sub doesn't know.
397 if test -z "$exact_cpu" && test -f /proc/cpuinfo; then
398 x=`grep "^cpu[ ]" /proc/cpuinfo | head -n 1`
399 x=`echo $x | sed -n 's/^cpu[ ]*:[ ]*\([A-Za-z0-9]*\).*/\1/p'`
400 x=`echo $x | sed 's/PPC//'`
402 601) exact_cpu="power" ;;
403 603ev) exact_cpu="powerpc603e" ;;
404 604ev5) exact_cpu="powerpc604e" ;;
405 603 | 603e | 604 | 604e | 750 | 821 | 860 | 970)
406 exact_cpu="powerpc$x" ;;
408 exact_cpu=`echo $x | sed "s;POWER;power;"` ;;
412 if test -z "$exact_cpu"; then
413 # On AIX, try looking at _system_configuration. This is present in
414 # version 4 at least.
417 #include <sys/systemcfg.h>
421 switch (_system_configuration.implementation) {
422 /* Old versions of AIX don't have all these constants,
423 use ifdef for safety. */
425 case POWER_RS2: puts ("power2"); break;
428 case POWER_601: puts ("power"); break;
431 case POWER_603: puts ("powerpc603"); break;
434 case POWER_604: puts ("powerpc604"); break;
437 case POWER_620: puts ("powerpc620"); break;
440 case POWER_630: puts ("powerpc630"); break;
442 /* Dunno what this is, leave it out for now.
443 case POWER_A35: puts ("powerpca35"); break;
445 /* This is waiting for a bit more info.
446 case POWER_RS64II: puts ("powerpcrs64ii"); break;
449 if (_system_configuration.architecture == POWER_RS)
451 else if (_system_configuration.width == 64)
457 if ($CC_FOR_BUILD $dummy.c -o $dummy) >/dev/null 2>&1; then
459 if test -n "$x"; then
463 rm -f $dummy.c $dummy.o $dummy
466 if test -z "$exact_cpu"; then
467 # On MacOS X (or any Mach-O presumably), NXGetLocalArchInfo cpusubtype
468 # can tell us the exact cpu.
471 #include <mach-o/arch.h>
475 const NXArchInfo *a = NXGetLocalArchInfo();
476 if (a->cputype == CPU_TYPE_POWERPC)
478 switch (a->cpusubtype) {
479 /* The following known to Darwin 1.3. */
480 case CPU_SUBTYPE_POWERPC_601: puts ("powerpc601"); break;
481 case CPU_SUBTYPE_POWERPC_602: puts ("powerpc602"); break;
482 case CPU_SUBTYPE_POWERPC_603: puts ("powerpc603"); break;
483 case CPU_SUBTYPE_POWERPC_603e: puts ("powerpc603e"); break;
484 case CPU_SUBTYPE_POWERPC_603ev: puts ("powerpc603e"); break;
485 case CPU_SUBTYPE_POWERPC_604: puts ("powerpc604"); break;
486 case CPU_SUBTYPE_POWERPC_604e: puts ("powerpc604e"); break;
487 case CPU_SUBTYPE_POWERPC_620: puts ("powerpc620"); break;
488 case CPU_SUBTYPE_POWERPC_750: puts ("powerpc750"); break;
489 case CPU_SUBTYPE_POWERPC_7400: puts ("powerpc7400"); break;
490 case CPU_SUBTYPE_POWERPC_7450: puts ("powerpc7450"); break;
491 /* Darwin 6.8.5 doesn't define a constant for 970, but gives 100 */
492 case 100: puts ("powerpc970"); break;
498 if ($CC_FOR_BUILD $dummy.c -o $dummy) >/dev/null 2>&1; then
500 if test -n "$x"; then
504 rm -f $dummy.c $dummy.o $dummy
508 sparc-*-* | sparc64-*-*)
509 # If we can recognise an actual v7 then $exact_cpu is set to "sparc" so as
510 # to short-circuit subsequent tests.
512 # Grep the linux kernel /proc/cpuinfo pseudo-file.
513 # A typical line is "cpu\t\t: TI UltraSparc II (BlackBird)"
514 # See arch/sparc/kernel/cpu.c and arch/sparc64/kernel/cpu.c.
516 if test -f /proc/cpuinfo; then
517 if grep 'cpu.*Cypress' /proc/cpuinfo >/dev/null; then
518 exact_cpu="sparc" # ie. v7
519 elif grep 'cpu.*Power-UP' /proc/cpuinfo >/dev/null; then
520 exact_cpu="sparc" # ie. v7
521 elif grep 'cpu.*HyperSparc' /proc/cpuinfo >/dev/null; then
523 elif grep 'cpu.*SuperSparc' /proc/cpuinfo >/dev/null; then
524 exact_cpu="supersparc"
525 elif grep 'cpu.*MicroSparc' /proc/cpuinfo >/dev/null; then
526 exact_cpu="microsparc"
527 elif grep 'cpu.*MB86904' /proc/cpuinfo >/dev/null; then
528 # actually MicroSPARC-II
530 elif grep 'cpu.*UltraSparc T1' /proc/cpuinfo >/dev/null; then
531 # this grep pattern has not been tested against any Linux
532 exact_cpu="ultrasparct1"
533 elif grep 'cpu.*UltraSparc III' /proc/cpuinfo >/dev/null; then
534 exact_cpu="ultrasparc3"
535 elif grep 'cpu.*UltraSparc IIi' /proc/cpuinfo >/dev/null; then
536 exact_cpu="ultrasparc2i"
537 elif grep 'cpu.*UltraSparc II' /proc/cpuinfo >/dev/null; then
538 exact_cpu="ultrasparc2"
539 elif grep 'cpu.*UltraSparc' /proc/cpuinfo >/dev/null; then
540 exact_cpu="ultrasparc"
544 # Grep the output from sysinfo on SunOS.
545 # sysinfo has been seen living in /bin or in /usr/kvm
546 # cpu0 is a "SuperSPARC Model 41 SPARCmodule" CPU
547 # cpu0 is a "75 MHz TI,TMS390Z55" CPU
549 if test -z "$exact_cpu"; then
550 for i in sysinfo /usr/kvm/sysinfo; do
551 if $SHELL -c $i 2>/dev/null >conftest.dat; then
552 if grep 'cpu0 is a "SuperSPARC' conftest.dat >/dev/null; then
555 elif grep 'cpu0 is a .*TMS390Z5.' conftest.dat >/dev/null; then
556 # TMS390Z50 and TMS390Z55
565 # Grep the output from prtconf on Solaris.
566 # Use an explicit /usr/sbin, since that directory might not be in a normal
569 # SUNW,UltraSPARC (driver not attached)
570 # SUNW,UltraSPARC-II (driver not attached)
571 # SUNW,UltraSPARC-IIi (driver not attached)
572 # SUNW,UltraSPARC-III+ (driver not attached)
573 # Ross,RT625 (driver not attached)
574 # TI,TMS390Z50 (driver not attached)
576 # /usr/sbin/sysdef prints similar information, but includes all loadable
577 # cpu modules, not just the real cpu.
579 # We first try a plain prtconf, since that is known to work on older systems.
580 # But for newer T1 systems, that doesn't produce any useful output, we need
581 # "prtconf -vp" there.
583 for prtconfopt in "" "-vp"; do
584 if test -z "$exact_cpu"; then
585 if $SHELL -c "/usr/sbin/prtconf $prtconfopt" 2>/dev/null >conftest.dat; then
586 if grep 'SUNW,UltraSPARC-T1' conftest.dat >/dev/null; then
587 exact_cpu=ultrasparct1
588 elif grep 'SUNW,UltraSPARC-III' conftest.dat >/dev/null; then
589 exact_cpu=ultrasparc3
590 elif grep 'SUNW,UltraSPARC-IIi' conftest.dat >/dev/null; then
591 exact_cpu=ultrasparc2i
592 elif grep 'SUNW,UltraSPARC-II' conftest.dat >/dev/null; then
593 exact_cpu=ultrasparc2
594 elif grep 'SUNW,UltraSPARC' conftest.dat >/dev/null; then
596 elif grep 'Ross,RT62.' conftest.dat >/dev/null; then
597 # RT620, RT625, RT626 hypersparcs (v8).
599 elif grep 'TI,TMS390Z5.' conftest.dat >/dev/null; then
600 # TMS390Z50 and TMS390Z55
602 elif grep 'TI,TMS390S10' conftest.dat >/dev/null; then
604 elif grep 'FMI,MB86904' conftest.dat >/dev/null; then
605 # actually MicroSPARC-II
613 # Grep the output from sysctl hw.model on sparc or sparc64 *BSD.
614 # Use an explicit /sbin, since that directory might not be in a normal
615 # user's path. Example outputs,
617 # hw.model: Sun Microsystems UltraSparc-IIi
619 if test -z "$exact_cpu"; then
620 if $SHELL -c "/sbin/sysctl hw.model" 2>/dev/null >conftest.dat; then
621 if grep 'UltraSparc-T1' conftest.dat >/dev/null; then
622 # this grep pattern has not been tested against any BSD
623 exact_cpu=ultrasparct1
624 elif grep 'UltraSparc-III' conftest.dat >/dev/null; then
625 exact_cpu=ultrasparc3
626 elif grep 'UltraSparc-IIi' conftest.dat >/dev/null; then
627 exact_cpu=ultrasparc2i
628 elif grep 'UltraSparc-II' conftest.dat >/dev/null; then
629 exact_cpu=ultrasparc2
630 elif grep 'UltraSparc' conftest.dat >/dev/null; then
632 elif grep 'TMS390Z5.' conftest.dat >/dev/null; then
633 # TMS390Z50 and TMS390Z55
635 elif grep 'TMS390S10' conftest.dat >/dev/null; then
637 elif grep 'MB86904' conftest.dat >/dev/null; then
638 # actually MicroSPARC-II
640 elif grep 'MB86907' conftest.dat >/dev/null; then
647 # sun4m and sun4d are v8s of some sort, sun4u is a v9 of some sort
649 if test -z "$exact_cpu"; then
651 sun4[md]) exact_cpu=sparcv8 ;;
652 sun4u) exact_cpu=sparcv9 ;;
658 cat <<EOF >${dummy}1.s
676 cat <<EOF >${dummy}2.c
679 char vendor_string[13];
680 char dummy_string[12];
682 int family, model, stepping;
685 cpuid (vendor_string, 0);
686 vendor_string[12] = 0;
688 fms = cpuid (dummy_string, 1);
690 family = (fms >> 8) & 15;
691 model = (fms >> 4) & 15;
695 if (strcmp (vendor_string, "GenuineIntel") == 0)
700 if (model <= 2) modelstr = "pentium";
701 else if (model >= 4) modelstr = "pentiummmx";
704 if (model == 1) modelstr = "pentiumpro";
705 else if (model <= 6) modelstr = "pentium2";
706 else modelstr = "pentium3";
709 modelstr = "pentium4";
713 else if (strcmp (vendor_string, "AuthenticAMD") == 0)
718 if (model <= 3) modelstr = "k5";
719 else if (model <= 7) modelstr = "k6";
720 else if (model <= 8) modelstr = "k62";
721 else if (model <= 9) modelstr = "k63";
727 /* We might want to return opteron, athlon64, or the CPU core name
728 hammer here instead of the architecture name x86_64. */
733 else if (strcmp (vendor_string, "CyrixInstead") == 0)
735 /* Should recognize Cyrix' processors too. */
737 else if (strcmp (vendor_string, "CentaurHauls") == 0)
742 if (model < 9) modelstr = "viac3";
743 else modelstr = "viac32";
748 printf ("%s\n", modelstr);
753 if ($CC_FOR_BUILD ${dummy}1.s ${dummy}2.c -o $dummy) >/dev/null 2>&1; then
754 # On 80386 and early 80486 cpuid is not available and will result in a
755 # SIGILL message, hence 2>/dev/null.
757 # On i386-unknown-freebsd4.9, "/bin/sh -c ./dummy" seems to send an
758 # "Illegal instruction (core dumped)" message to stdout, so we test $?
759 # to check if the program run was successful.
761 x=`$SHELL -c ./$dummy 2>/dev/null`
762 if test $? = 0 && test -n "$x"; then
767 # We need to remove some .o files here since lame C compilers
768 # generate these even when not asked.
769 rm -f ${dummy}1.s ${dummy}1.o ${dummy}2.c ${dummy}2.o $dummy
776 # -------------------------------------------------------------------------
777 # Use an exact cpu, if possible
779 if test -n "$exact_cpu"; then
780 echo "$exact_cpu$guess_rest"