1#!/usr/bin/sh
2
3### SYSTEM ARCHITECTURE
4
5# Determine the architecture type of this system.
6# Keep leading tab below -- Configure Black Magic -- RAM, 03/02/97
7	xxOsRevMajor=`uname -r | sed -e 's/^[^0-9]*//' | cut -d. -f1`;
8	xxOsRevMinor=`uname -r | sed -e 's/^[^0-9]*//' | cut -d. -f2`;
9	xxOsRev=`expr 100 \* $xxOsRevMajor + $xxOsRevMinor`
10if [ "$xxOsRevMajor" -ge 10 ]; then
11    # This system is running >= 10.x
12
13    # Tested on 10.01 PA1.x and 10.20 PA[12].x.
14    # Idea: Scan /usr/include/sys/unistd.h for matches with
15    # "#define CPU_* `getconf # CPU_VERSION`" to determine CPU type.
16    # Note the text following "CPU_" is used, *NOT* the comment.
17    #
18    # ASSUMPTIONS: Numbers will continue to be defined in hex -- and in
19    # /usr/include/sys/unistd.h -- and the CPU_* #defines will be kept
20    # up to date with new CPU/OS releases.
21    xxcpu=`getconf CPU_VERSION`; # Get the number.
22    xxcpu=`printf '0x%x' $xxcpu`; # convert to hex
23    archname=`sed -n -e "s/^#[[:space:]]*define[[:space:]]*CPU_//p" /usr/include/sys/unistd.h |
24	sed -n -e "s/[[:space:]]*$xxcpu[[:space:]].*//p" |
25	sed -e s/_RISC/-RISC/ -e s/HP_// -e s/_/./ -e "s/[[:space:]]*//g"`;
26else
27    # This system is running <= 9.x
28    # Tested on 9.0[57] PA and [78].0 MC680[23]0.  Idea: After removing
29    # MC6888[12] from context string, use first CPU identifier.
30    #
31    # ASSUMPTION: Only CPU identifiers contain no lowercase letters.
32    archname=`getcontext | tr ' ' '\012' | grep -v '[a-z]' | grep -v MC688 |
33	sed -e 's/HP-//' -e 1q`;
34    selecttype='int *'
35    fi
36
37# For some strange reason, the u32align test from Configure hangs in
38# HP-UX 10.20 since the December 2001 patches.  So hint it to avoid
39# the test.
40if [ "$xxOsRevMajor" -le 10 ]; then
41    d_u32align=$define
42    fi
43
44echo "Archname is $archname"
45
46# Fix XSlib (CPAN) confusion when re-using a prefix but changing from ILP32
47# to LP64 builds.  They're NOT binary compatible, so quit claiming they are.
48archname64=LP64
49
50
51### HP-UX OS specific behaviour
52
53# -ldbm is obsolete and should not be used
54# -lBSD contains BSD-style duplicates of SVR4 routines that cause confusion
55# -lPW is obsolete and should not be used
56# The libraries crypt, malloc, ndir, and net are empty.
57set `echo "X $libswanted " | sed -e 's/ ld / /' -e 's/ dbm / /' -e 's/ BSD / /' -e 's/ PW / /'`
58shift
59libswanted="$*"
60
61cc=${cc:-cc}
62ar=/usr/bin/ar	# Yes, truly override.  We do not want the GNU ar.
63full_ar=$ar	# I repeat, no GNU ar.  arrr.
64
65set `echo "X $ccflags " | sed -e 's/ -A[ea] / /' -e 's/ -D_HPUX_SOURCE / /'`
66shift
67	cc_cppflags="$* -D_HPUX_SOURCE"
68cppflags="-Aa -D__STDC_EXT__ $cc_cppflags"
69
70case "$prefix" in
71    "") prefix='/opt/perl5' ;;
72    esac
73
74    gnu_as=no
75    gnu_ld=no
76case `$cc -v 2>&1`"" in
77    *gcc*)  ccisgcc="$define"
78	    ccflags="$cc_cppflags"
79	    if [ "X$gccversion" = "X" ]; then
80		# Done too late in Configure if hinted
81		gccversion=`$cc --version | sed 's/.*(GCC) *//'`
82		fi
83	    case "$gccversion" in
84		[012]*) # HP-UX and gcc-2.* break UINT32_MAX :-(
85			ccflags="$ccflags -DUINT32_MAX_BROKEN"
86			;;
87		[34]*) # GCC (both 32bit and 64bit) will define __STDC_EXT__
88                       # by default when using GCC 3.0 and newer versions of
89                       # the compiler.
90                       cppflags="$cc_cppflags"
91                       ;;
92		esac
93	    case "`getconf KERNEL_BITS 2>/dev/null`" in
94		*64*)
95		    echo "main(){}">try.c
96		    case "$gccversion" in
97			[34]*)
98			    case "$archname" in
99                               PA-RISC*)
100                                   case "$ccflags" in
101                                       *-mpa-risc*) ;;
102                                       *) ccflags="$ccflags -mpa-risc-2-0" ;;
103                                       esac
104                                   ;;
105				esac
106			    ;;
107			*)  # gcc with gas will not accept +DA2.0
108			    case "`$cc -c -Wa,+DA2.0 try.c 2>&1`" in
109				*"+DA2.0"*)		# gas
110				    gnu_as=yes
111				    ;;
112				*)			# HPas
113				    ccflags="$ccflags -Wa,+DA2.0"
114				    ;;
115				esac
116			    ;;
117			esac
118		    # gcc with gld will not accept +vnocompatwarnings
119		    case "`$cc -o try -Wl,+vnocompatwarnings try.c 2>&1`" in
120			*"+vnocompat"*)		# gld
121			    gnu_ld=yes
122			    ;;
123			*)			# HPld
124			   case "$gccversion" in
125			       [12]*)
126				   # Why not 3 as well here?
127				   # Since not relevant to IA64, not changed.
128				   ldflags="$ldflags -Wl,+vnocompatwarnings"
129				   ccflags="$ccflags -Wl,+vnocompatwarnings"
130				   ;;
131			       esac
132			    ;;
133			esac
134		    rm -f try.c
135		    ;;
136		esac
137	    ;;
138    *)      ccisgcc=''
139	    # What cannot be use in combination with ccache links :(
140	    cc_found=""
141	    for p in `echo $PATH | tr : ' ''` ; do
142		x="$p/cc"
143		if [ -f $x ] && [ -x $x ]; then
144		    if [ -h $x ]; then
145			l=`ls -l $x | sed 's,.*-> ,,'`
146			case $l in
147			    /*) x=$l		;;
148			    *)  x="$p/$l"	;;
149			    esac
150			fi
151		    x=`echo $x | sed 's,/\./,/,g'`
152		    case $x in
153			*ccache*) ;;
154			*) [ -z "$cc_found" ] && cc_found=$x ;;
155			esac
156		    fi
157		done
158	    [ -z "$cc_found" ] && cc_found=`which cc`
159	    what $cc_found >&4
160	    ccversion=`what $cc_found | awk '/Compiler/{print $2}/Itanium/{print $6,$7}'`
161	    case "$ccflags" in
162               "-Ae "*) ;;
163		*)  ccflags="-Ae $cc_cppflags"
164		    # +vnocompatwarnings not known in 10.10 and older
165		    if [ $xxOsRev -ge 1020 ]; then
166			ccflags="$ccflags -Wl,+vnocompatwarnings"
167			fi
168		    ;;
169               esac
170	    # Needed because cpp does only support -Aa (not -Ae)
171	    cpplast='-'
172	    cppminus='-'
173	    cppstdin='cc -E -Aa -D__STDC_EXT__'
174	    cpprun=$cppstdin
175#	    case "$d_casti32" in
176#		"") d_casti32='undef' ;;
177#		esac
178	    ;;
179    esac
180
181# When HP-UX runs a script with "#!", it sets argv[0] to the script name.
182toke_cflags='ccflags="$ccflags -DARG_ZERO_IS_SCRIPT"'
183
184### 64 BITNESS
185
186# Some gcc versions do native 64 bit long (e.g. 2.9-hppa-000310 and gcc-3.0)
187# We have to force 64bitness to go search the right libraries
188    gcc_64native=no
189case "$ccisgcc" in
190    $define|true|[Yy])
191	echo 'int main(){long l;printf("%d\\n",sizeof(l));}'>try.c
192	$cc -o try $ccflags $ldflags try.c
193	if [ "`try`" = "8" ]; then
194	    cat <<EOM >&4
195
196*** This version of gcc uses 64 bit longs. -Duse64bitall is
197*** implicitly set to enable continuation
198EOM
199	    use64bitall=$define
200	    gcc_64native=yes
201	    fi
202	;;
203    esac
204
205case "$use64bitall" in
206    $define|true|[yY]*) use64bitint="$define" ;;
207    esac
208
209case "$usemorebits" in
210    $define|true|[yY]*) use64bitint="$define"; uselongdouble="$define" ;;
211    esac
212
213case "$archname" in
214    IA64*)
215	# While here, override so=sl auto-detection
216	so='so'
217	;;
218    *)
219	case "$uselongdouble" in
220	    *) ;;
221	    $define|true|[yY]*)
222		cat <<EOM >&4
223
224*** long doubles are not (yet) supported on HP-UX (any version)
225*** Until it does, we cannot continue, aborting.
226EOM
227		exit 1 ;;
228	    esac
229	;;
230    esac
231
232case "$use64bitint" in
233    $define|true|[Yy])
234
235	if [ "$xxOsRevMajor" -lt 11 ]; then
236	    cat <<EOM >&4
237
238*** 64-bit compilation is not supported on HP-UX $xxOsRevMajor.
239*** You need at least HP-UX 11.0.
240*** Cannot continue, aborting.
241EOM
242	    exit 1
243	    fi
244
245	# Set libc and the library paths
246	case "$archname" in
247	    PA-RISC*)
248		loclibpth="$loclibpth /lib/pa20_64"
249		libc='/lib/pa20_64/libc.sl' ;;
250	    IA64*)
251		loclibpth="$loclibpth /usr/lib/hpux64"
252		libc='/usr/lib/hpux64/libc.so' ;;
253	    esac
254	if [ ! -f "$libc" ]; then
255	    cat <<EOM >&4
256
257*** You do not seem to have the 64-bit libc.
258*** I cannot find the file $libc.
259*** Cannot continue, aborting.
260EOM
261	    exit 1
262	    fi
263
264	case "$ccisgcc" in
265	    $define|true|[Yy])
266		# For the moment, don't care that it ain't supported (yet)
267		# by gcc (up to and including 2.95.3), cause it'll crash
268		# anyway. Expect auto-detection of 64-bit enabled gcc on
269		# HP-UX soon, including a user-friendly exit
270		case $gcc_64native in
271		    no) case "$gccversion" in
272			    [1234]*)
273				ccflags="$ccflags -mlp64"
274				case "$archname" in
275				    PA-RISC*)
276					ldflags="$ldflags -Wl,+DD64"
277					;;
278				    IA64*)
279					ldflags="$ldflags -mlp64"
280					;;
281				    esac
282				    ;;
283			    esac
284			;;
285		    esac
286		;;
287	    *)
288		ccflags="$ccflags +DD64"
289		ldflags="$ldflags +DD64"
290		;;
291	    esac
292
293	# Reset the library checker to make sure libraries
294	# are the right type
295	# (NOTE: on IA64, this doesn't work with .a files.)
296	libscheck='case "`/usr/bin/file $xxx`" in
297		       *ELF-64*|*LP64*|*PA-RISC2.0*) ;;
298		       *) xxx=/no/64-bit$xxx ;;
299		       esac'
300
301	;;
302
303    *)	# Not in 64-bit mode
304
305	case "$archname" in
306	    PA-RISC*)
307		libc='/lib/libc.sl' ;;
308	    IA64*)
309		loclibpth="$loclibpth /usr/lib/hpux32"
310		libc='/usr/lib/hpux32/libc.so' ;;
311	    esac
312	;;
313    esac
314
315# By setting the deferred flag below, this means that if you run perl
316# on a system that does not have the required shared library that you
317# linked it with, it will die when you try to access a symbol in the
318# (missing) shared library.  If you would rather know at perl startup
319# time that you are missing an important shared library, switch the
320# comments so that immediate, rather than deferred loading is
321# performed.  Even with immediate loading, you can postpone errors for
322# undefined (or multiply defined) routines until actual access by
323# adding the "nonfatal" option.
324# ccdlflags="-Wl,-E -Wl,-B,immediate $ccdlflags"
325# ccdlflags="-Wl,-E -Wl,-B,immediate,-B,nonfatal $ccdlflags"
326if [ "$gnu_ld" = "yes" ]; then
327    ccdlflags="-Wl,-E $ccdlflags"
328else
329    ccdlflags="-Wl,-E -Wl,-B,deferred $ccdlflags"
330    fi
331
332
333### COMPILER SPECIFICS
334
335## Local restrictions (point to README.hpux to lift these)
336
337## Optimization limits
338cat >try.c <<EOF
339#include <sys/resource.h>
340
341int main ()
342{
343    struct rlimit rl;
344    int i = getrlimit (RLIMIT_DATA, &rl);
345    printf ("%d\n", (int)(rl.rlim_cur / (1024 * 1024)));
346    } /* main */
347EOF
348$cc -o try $ccflags $ldflags try.c
349	maxdsiz=`try`
350rm -f try try.c core
351if [ $maxdsiz -le 64 ]; then
352    # 64 Mb is probably not enough to optimize toke.c
353    # and regexp.c with -O2
354    cat <<EOM >&4
355Your kernel limits the data section of your programs to $maxdsiz Mb,
356which is (sadly) not enough to fully optimize some parts of the
357perl binary. I'll try to use a lower optimization level for
358those parts. If you are a sysadmin, and you *do* want full
359optimization, raise the 'maxdsiz' kernel configuration parameter
360to at least 0x08000000 (128 Mb) and rebuild your kernel.
361EOM
362regexec_cflags=''
363doop_cflags=''
364    fi
365
366case "$ccisgcc" in
367    $define|true|[Yy])
368
369	case "$optimize" in
370	    "")           optimize="-g -O" ;;
371	    *O[3456789]*) optimize=`echo "$optimize" | sed -e 's/O[3-9]/O2/'` ;;
372	    esac
373	#ld="$cc"
374	ld=/usr/bin/ld
375	cccdlflags='-fPIC'
376	#lddlflags='-shared'
377	lddlflags='-b'
378	case "$optimize" in
379	    *-g*-O*|*-O*-g*)
380		# gcc without gas will not accept -g
381		echo "main(){}">try.c
382		case "`$cc $optimize -c try.c 2>&1`" in
383		    *"-g option disabled"*)
384			set `echo "X $optimize " | sed -e 's/ -g / /'`
385			shift
386			optimize="$*"
387			;;
388		    esac
389		;;
390	    esac
391	if [ $maxdsiz -le 64 ]; then
392	    case "$optimize" in
393		*O2*)	opt=`echo "$optimize" | sed -e 's/O2/O1/'`
394			toke_cflags="$toke_cflags;optimize=\"$opt\""
395			regexec_cflags="optimize=\"$opt\""
396			;;
397		esac
398	    fi
399	;;
400
401    *)	# HP's compiler cannot combine -g and -O
402	case "$optimize" in
403	    "")           optimize="+O2 +Onolimit" ;;
404	    *O[3456789]*) optimize=`echo "$optimize" | sed -e 's/O[3-9]/O2/'` ;;
405	    esac
406	case "$optimize" in
407	    *-O*|\
408	    *O2*)   opt=`echo "$optimize" | sed -e 's/-O/+O2/' -e 's/O2/O1/' -e 's/ *+Onolimit//'`
409		    ;;
410	    *)      opt="$optimize"
411		    ;;
412	    esac
413	case "$archname" in
414	    IA64*)
415		case "$ccversion" in
416		    B3910B*A.06.0[12345])
417			# > cc --version
418			# cc: HP aC++/ANSI C B3910B A.06.05 [Jul 25 2005]
419			# Has optimizing problems with -O2 and up for both
420			# maint (5.8.8+) and blead (5.9.3+)
421			# -O1/+O1 passed all tests (m)'05 [ 10 Jan 2005 ]
422			optimize="$opt"			;;
423		    *)  doop_cflags="optimize=\"$opt\""	;;
424		    esac
425		;;
426	    esac
427	if [ $maxdsiz -le 64 ]; then
428	    toke_cflags="$toke_cflags;optimize=\"$opt\""
429	    regexec_cflags="optimize=\"$opt\""
430	    fi
431	ld=/usr/bin/ld
432	cccdlflags='+Z'
433	lddlflags='-b +vnocompatwarnings'
434	;;
435    esac
436
437## LARGEFILES
438if [ $xxOsRev -lt 1020 ]; then
439    uselargefiles="$undef"
440    fi
441
442#case "$uselargefiles-$ccisgcc" in
443#    "$define-$define"|'-define')
444#	cat <<EOM >&4
445#
446#*** I'm ignoring large files for this build because
447#*** I don't know how to do use large files in HP-UX using gcc.
448#
449#EOM
450#	uselargefiles="$undef"
451#	;;
452#    esac
453
454# Once we have the compiler flags defined, Configure will
455# execute the following call-back script. See hints/README.hints
456# for details.
457cat > UU/cc.cbu <<'EOCBU'
458# This script UU/cc.cbu will get 'called-back' by Configure after it
459# has prompted the user for the C compiler to use.
460
461# Compile and run the a test case to see if a certain gcc bug is
462# present. If so, lower the optimization level when compiling
463# pp_pack.c.  This works around a bug in unpack.
464
465if test -z "$ccisgcc" -a -z "$gccversion"; then
466    : no tests needed for HPc
467else
468    echo " "
469    echo "Testing for a certain gcc bug is fixed in your compiler..."
470
471    # Try compiling the test case.
472    if $cc -o t001 -O $ccflags $ldflags -lm ../hints/t001.c; then
473       gccbug=`$run ./t001`
474       case "$gccbug" in
475           *fails*)
476               cat >&4 <<EOF
477This C compiler ($gccversion) is known to have optimizer
478problems when compiling pp_pack.c.
479
480Disabling optimization for pp_pack.c.
481EOF
482               case "$pp_pack_cflags" in
483                   '') pp_pack_cflags='optimize='
484                       echo "pp_pack_cflags='optimize=\"\"'" >> config.sh ;;
485                   *)  echo "You specified pp_pack_cflags yourself, so we'll go with your value." >&4 ;;
486                   esac
487               ;;
488           *)  echo "Your compiler is ok." >&4
489               ;;
490           esac
491    else
492       echo " "
493       echo "*** WHOA THERE!!! ***" >&4
494       echo "    Your C compiler \"$cc\" doesn't seem to be working!" >&4
495       case "$knowitall" in
496           '') echo "    You'd better start hunting for one and let me know about it." >&4
497               exit 1
498               ;;
499           esac
500       fi
501
502    rm -f t001$_o t001$_exe
503    fi
504EOCBU
505
506cat >UU/uselargefiles.cbu <<'EOCBU'
507# This script UU/uselargefiles.cbu will get 'called-back' by Configure
508# after it has prompted the user for whether to use large files.
509case "$uselargefiles" in
510    ""|$define|true|[yY]*)
511	# there are largefile flags available via getconf(1)
512	# but we cheat for now.  (Keep that in the left margin.)
513ccflags_uselargefiles="-D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64"
514
515	case " $ccflags " in
516	*" $ccflags_uselargefiles "*) ;;
517	*) ccflags="$ccflags $ccflags_uselargefiles" ;;
518	esac
519
520	if test -z "$ccisgcc" -a -z "$gccversion"; then
521	    # The strict ANSI mode (-Aa) doesn't like large files.
522	    ccflags=`echo " $ccflags "|sed 's@ -Aa @ @g'`
523	    case "$ccflags" in
524		*-Ae*) ;;
525		*)     ccflags="$ccflags -Ae" ;;
526		esac
527	    fi
528	;;
529    esac
530EOCBU
531
532# THREADING
533
534# This script UU/usethreads.cbu will get 'called-back' by Configure
535# after it has prompted the user for whether to use threads.
536cat >UU/usethreads.cbu <<'EOCBU'
537case "$usethreads" in
538    $define|true|[yY]*)
539	if [ "$xxOsRevMajor" -lt 10 ]; then
540	    cat <<EOM >&4
541
542HP-UX $xxOsRevMajor cannot support POSIX threads.
543Consider upgrading to at least HP-UX 11.
544Cannot continue, aborting.
545EOM
546	    exit 1
547	    fi
548
549	if [ "$xxOsRevMajor" -eq 10 ]; then
550	    # Under 10.X, a threaded perl can be built
551	    if [ -f /usr/include/pthread.h ]; then
552		if [ -f /usr/lib/libcma.sl ]; then
553		    # DCE (from Core OS CD) is installed
554
555		   # Check if it is pristine, or patched
556		   cmavsn=`what /usr/lib/libcma.sl 2>&1 | grep 1996`
557		   if [ ! -z "$cmavsn" ]; then
558		       cat <<EOM >&4
559
560***************************************************************************
561
562Perl will support threading through /usr/lib/libcma.sl from
563the HP DCE package, but the version found is too old to be
564reliable.
565
566If you are not depending on this specific version of the library,
567consider to upgrade using patch PHSS_23672 (read README.hpux)
568
569***************************************************************************
570
571(sleeping for 10 seconds...)
572EOM
573		       sleep 10
574		       fi
575
576		    # It needs # libcma and OLD_PTHREADS_API. Also
577		    # <pthread.h> needs to be #included before any
578		    # other includes (in perl.h)
579
580		    # HP-UX 10.X uses the old pthreads API
581		    d_oldpthreads="$define"
582
583		    # include libcma before all the others
584		    libswanted="cma $libswanted"
585
586		    # tell perl.h to include <pthread.h> before other
587		    # include files
588		    ccflags="$ccflags -DPTHREAD_H_FIRST"
589# First column on purpose:
590# this is not a standard Configure variable
591# but we need to get this noticed.
592pthread_h_first="$define"
593
594		    # HP-UX 10.X seems to have no easy
595		    # way of detecting these *time_r protos.
596		    d_gmtime_r_proto='define'
597		    gmtime_r_proto='REENTRANT_PROTO_I_TS'
598		    d_localtime_r_proto='define'
599		    localtime_r_proto='REENTRANT_PROTO_I_TS'
600
601		    # Avoid the poisonous conflicting (and irrelevant)
602		    # prototypes of setkey().
603		    i_crypt="$undef"
604
605		    # CMA redefines select to cma_select, and cma_select
606		    # expects int * instead of fd_set * (just like 9.X)
607		    selecttype='int *'
608
609		elif [ -f /usr/lib/libpthread.sl ]; then
610		    # PTH package is installed
611		    libswanted="pthread $libswanted"
612		else
613		    libswanted="no_threads_available"
614		    fi
615	    else
616		libswanted="no_threads_available"
617		fi
618
619	    if [ $libswanted = "no_threads_available" ]; then
620		cat <<EOM >&4
621
622In HP-UX 10.X for POSIX threads you need both of the files
623/usr/include/pthread.h and either /usr/lib/libcma.sl or /usr/lib/libpthread.sl.
624Either you must upgrade to HP-UX 11 or install a posix thread library:
625
626    DCE-CoreTools from HP-UX 10.20 Hardware Extensions 3.0 CD (B3920-13941)
627
628or
629
630    PTH package from e.g. http://hpux.tn.tudelft.nl/hppd/hpux/alpha.html
631
632Cannot continue, aborting.
633EOM
634		exit 1
635		fi
636	else
637	    # 12 may want upping the _POSIX_C_SOURCE datestamp...
638	    ccflags=" -D_POSIX_C_SOURCE=199506L -D_REENTRANT $ccflags"
639	    set `echo X "$libswanted "| sed -e 's/ c / pthread c /'`
640	    shift
641	    libswanted="$*"
642	    fi
643
644	;;
645    esac
646EOCBU
647
648# The mysterious io_xs memory corruption in 11.00 32bit seems to get
649# fixed by not using Perl's malloc.  Flip side is performance loss.
650# So we want mymalloc for all situations possible
651usemymalloc='y'
652case "$usethreads" in
653    $define|true|[yY]*) usemymalloc='n' ;;
654    *)  case "$ccisgcc" in
655           $undef|false|[nN]*)
656               case "$use64bitint" in
657                   $undef|false|[nN]*)
658                       case "$ccflags" in
659                           *-DDEBUGGING*) ;;
660                           *) usemymalloc='n' ;;
661                           esac
662                       ;;
663                   esac
664               ;;
665           esac
666       ;;
667    esac
668
669usemymalloc='n'
670case "$useperlio" in
671    $undef|false|[nN]*) usemymalloc='y' ;;
672    esac
673
674# malloc wrap works
675case "$usemallocwrap" in
676'') usemallocwrap='define' ;;
677esac
678
679# ctime_r() and asctime_r() seem to have issues for versions before
680# HP-UX 11
681if [ $xxOsRevMajor -lt 11 ]; then
682    d_ctime_r="$undef"
683    d_asctime_r="$undef"
684    fi
685
686
687# fpclassify() is a macro, the library call is Fpclassify
688# Similarly with the others below.
689d_fpclassify='define'
690d_isnan='define'
691d_isinf='define'
692d_isfinite='define'
693d_unordered='define'
694# Next one(s) need the leading tab.  These are special 'hint' symbols that
695# are not to be propagated to config.sh, all related to pthreads draft 4
696# interfaces.
697case "$d_oldpthreads" in
698    ''|$undef)
699	d_crypt_r_proto='undef'
700	d_getgrent_r_proto='undef'
701	d_getpwent_r_proto='undef'
702	d_strerror_r_proto='undef'
703	;;
704    esac
705