3 # original from Krishna Sethuraman, krishna@sgi.com
5 # Modified Mon Jul 22 14:52:25 EDT 1996
6 # Andy Dougherty <doughera@lafayette.edu>
7 # with help from Dean Roehrich <roehrich@cray.com>.
8 # cc -n32 update info from Krishna Sethuraman, krishna@sgi.com.
9 # additional update from Scott Henry, scotth@sgi.com
11 # Futzed with by John Stoffel <jfs@fluent.com> on 4/24/1997
12 # - assumes 'cc -n32' by default
13 # - tries to check for various compiler versions and do the right
15 # - warnings turned off (-n32 messages):
16 # 1184 - "=" is used where where "==" may have been intended
17 # 1552 - variable "foo" set but never used
19 # Tweaked by Chip Salzenberg <chip@perl.com> on 5/13/97
20 # - don't assume 'cc -n32' if the n32 libm.so is missing
22 # Threaded by Jarkko Hietaniemi <jhi@iki.fi> on 11/18/97
23 # - POSIX threads knowledge by IRIX version
25 # gcc-enabled by Kurt Starsinic <kstar@isinet.com> on 3/24/1998
27 # 64-bitty by Jarkko Hietaniemi on 9/1998
29 # Use sh Configure -Dcc='cc -n32' to try compiling with -n32.
30 # or -Dcc='cc -n32 -mips3' (or -mips4) to force (non)portability
31 # Don't bother with -n32 unless you have the 7.1 or later compilers.
32 # But there's no quick and light-weight way to check in 6.2.
34 # NOTE: some IRIX cc versions, e.g. 7.3.1.1m (try cc -version) have
35 # been known to have issues (coredumps) when compiling perl.c.
36 # If you've used -OPT:fast_io=ON and this happens, try removing it.
37 # If that fails, or you didn't use that, then try adjusting other
38 # optimization options (-LNO, -INLINE, -O3 to -O2, etcetera).
39 # The compiler bug has been reported to SGI.
40 # -- Allen Smith <allens@cpan.org>
42 case "$use64bitall" in
47 You have asked for use64bitall but you aren't running on 64-bit IRIX.
48 I'll try changing it to use64bitint.
55 Sorry, can't do use64bitint either. Try upgrading to IRIX 6.2 or later.
59 *) use64bitint="$define"
67 # Until we figure out what to be probed for in Configure (ditto for hpux.sh)
68 case "$usemorebits" in # Need to expand this now, then.
72 uselongdouble="$define"
74 *) use64bitint="$define" uselongdouble="$define" ;;
78 # Let's assume we want to use 'cc -n32' by default, unless the
79 # necessary libm is missing (which has happened at least twice)
81 '') case "$use64bitall" in
82 "$define"|true|[yY]*) test -f /usr/lib64/libm.so && cc='cc -64' ;;
83 *) test -f /usr/lib32/libm.so && cc='cc -n32' ;;
87 case "$use64bitint" in
88 "$define"|true|[yY]*) ;;
89 *) d_casti32="$undef" ;;
95 $cat > UU/cc.cbu <<'EOCCBU'
96 # This script UU/cc.cbu will get 'called-back' by Configure after it
97 # has prompted the user for the C compiler to use.
101 *) ccversion=`cc -version 2>&1` ;;
104 # Check for which compiler we're using
108 test -z "$ldlibpthname" && ldlibpthname='LD_LIBRARYN32_PATH'
110 # If a library is requested to link against, make sure the
111 # objects in the library are of the same ABI we are compiling
112 # against. Albert Chin-A-Young <china@thewrittenword.com>
114 # In other words, you no longer have to worry regarding having old
115 # library paths (/usr/lib) in the searchpath for -n32 or -64; thank
116 # you very much, Albert! Now if we could just get more module authors
117 # to use something like this... - Allen
119 libscheck='case "$xxx" in
120 *.a) /bin/ar p $xxx `/bin/ar t $xxx | sed q` >$$.o;
121 case "`/usr/bin/file $$.o`" in
123 *) rm -f $$.o; xxx=/no/n32$xxx ;;
125 *) case "`/usr/bin/file $xxx`" in
127 *) xxx=/no/n32$xxx ;;
131 # NOTE: -L/usr/lib32 -L/lib32 are automatically selected by the linker
132 test -z "$ldflags" && ldflags=' -L/usr/local/lib32 -L/usr/local/lib'
134 # From: David Billinghurst <David.Billinghurst@riotinto.com.au>
135 # If you get complaints about so_locations then change the following
136 # line to something like:
137 # lddlflags="-n32 -shared -check_registry /usr/lib32/so_locations"
138 test -z "$lddlflags" && lddlflags="-n32 -shared"
139 test -z "$libc" && libc='/usr/lib32/libc.so'
140 test -z "$plibpth" && plibpth='/usr/lib32 /lib32 /usr/ccs/lib'
146 You cannot use cc -64 or -Duse64bitall in 32-bit IRIX, sorry.
147 Cannot continue, aborting.
152 test -z "$ldlibpthname" && ldlibpthname='LD_LIBRARY64_PATH'
153 test -z "$use64bitall" && use64bitall="$define"
154 test -z "$use64bitint" && use64bitint="$define"
155 loclibpth="$loclibpth /usr/lib64"
156 libscheck='case "`/usr/bin/file $xxx`" in
158 *) xxx=/no/64-bit$xxx ;;
160 # NOTE: -L/usr/lib64 -L/lib64 are automatically selected by the linker
161 test -z "$ldflags" && ldflags=' -L/usr/local/lib64 -L/usr/local/lib'
163 test -z "$archname64" && archname64='64all'
164 # From: David Billinghurst <David.Billinghurst@riotinto.com.au>
165 # If you get complaints about so_locations then change the following
166 # line to something like:
167 # lddlflags="-64 -shared -check_registry /usr/lib64/so_locations"
168 test -z lddlflags="-64 -shared"
169 test -z "$libc" && libc='/usr/lib64/libc.so'
170 test -z "$plibpth" && plibpth='/usr/lib64 /lib64 /usr/ccs/lib'
173 ccflags="$ccflags -D_BSD_TYPES -D_BSD_TIME"
174 test -z "$optimize" && optimize="-O3"
177 # Without the -mabi=64 gcc in 64-bit IRIX has problems passing
178 # and returning small structures. This affects inet_*() and semctl().
179 # See http://reality.sgi.com/ariel/freeware/gcc-2.8.1-notes.html
180 # for more information. Reported by Lionel Cons <lionel.cons@cern.ch>.
181 IRIX64) ccflags="$ccflags -mabi=64"
182 ldflags="$ldflags -mabi=64 -L/usr/lib64"
183 lddlflags="$lddlflags -mabi=64"
185 *) ccflags="$ccflags -DIRIX32_SEMUN_BROKEN_BY_GCC"
190 # this is needed to force the old-32 paths
191 # since the system default can be changed.
192 ccflags="$ccflags -32 -D_BSD_TYPES -D_BSD_TIME -Olimit 3100"
197 # Settings common to both native compiler modes.
199 *"cc -n32"*|*"cc -64"*)
200 test -z "$ld" && ld=$cc
202 # perl's malloc can return improperly aligned buffer
203 # which (under 5.6.0RC1) leads into really bizarre bus errors
204 # and freak test failures (lib/safe1 #18, for example),
205 # even more so with -Duse64bitall: for example lib/io_linenumtb.
206 # fails under the harness but succeeds when run separately,
207 # under make test pragma/warnings #98 fails, and lib/io_dir
208 # apparently coredumps (the last two don't happen under
209 # the harness. Helmut Jarausch is seeing bus errors from
210 # miniperl, as was Scott Henry with snapshots from just before
214 # Was at the first of the line - Allen
215 #malloc_cflags='ccflags="-DSTRICT_ALIGNMENT $ccflags"'
218 nm_so_opt="$nm_so_opt -p"
220 # Warnings to turn off because the source code hasn't
221 # been cleaned up enough yet to satisfy the IRIX cc.
222 # 1184: "=" is used where where "==" may have been intended.
223 # 1552: The variable "foobar" is set but never used.
226 # Perl 5.004_57 introduced new qsort code into pp_ctl.c that
227 # makes IRIX cc prior to 7.2.1 to emit bad code.
228 # so some serious hackery follows to set pp_ctl flags correctly.
230 # Check for which version of the compiler we're running
231 case "`$cc -version 2>&1`" in
232 *7.0*) # Mongoose 7.0
233 ccflags="$ccflags -D_BSD_TYPES -D_BSD_TIME -woff $woff -OPT:Olimit=0"
236 *7.1*|*7.2|*7.20) # Mongoose 7.1+
237 ccflags="$ccflags -D_BSD_TYPES -D_BSD_TIME -woff $woff"
239 '') optimize='-O3 -OPT:Olimit=0' ;;
240 '-O') optimize='-O3 -OPT:Olimit=0' ;;
244 # This is a temporary fix for 5.005+.
245 # See hints/README.hints, especially the section
246 # =head2 Propagating variables to config.sh
248 # Note the part about case statements not working without
249 # weirdness like the below echo statement... and, since
250 # we're in a callback unit, it's to config.sh, not UU/config.sh
254 pp_ctl_cflags="$pp_ctl_flags optimize=\"$optimize -O1\""
255 echo "pp_ctl_cflags=\"$pp_ctl_flags optimize=\\\"\$optimize -O1\\\"\"" >> config.sh
260 # XXX What is space=ON doing in here? Could someone ask Scott Henry? - Allen
262 *7.*) # Mongoose 7.2.1+
263 ccflags="$ccflags -D_BSD_TYPES -D_BSD_TIME -woff $woff"
265 '') optimize='-O3 -OPT:Olimit=0:space=ON' ;;
266 '-O') optimize='-O3 -OPT:Olimit=0:space=ON' ;;
270 *6.2*) # Ragnarok 6.2
271 ccflags="$ccflags -D_BSD_TYPES -D_BSD_TIME -woff $woff"
274 *) # Be safe and not optimize
275 ccflags="$ccflags -D_BSD_TYPES -D_BSD_TIME -woff $woff"
280 # this is to accommodate the 'modules' capability of the
281 # 7.2 MIPSPro compilers, which allows for the compilers to be installed
282 # in a nondefault location. Almost everything works as expected, but
283 # /usr/include isn't caught properly. Hence see the /usr/include/pthread.h
284 # change below to include TOOLROOT (a modules environment variable),
285 # and the following code. Additional
286 # code to accommodate the 'modules' environment should probably be added
287 # here if possible, or be inserted as a ${TOOLROOT} reference before
288 # absolute paths (again, see the pthread.h change below).
289 # -- krishna@sgi.com, 8/23/98
291 if [ "X${TOOLROOT}" != "X" ]; then
292 # we cant set cppflags because it gets overwritten
293 # we dont actually need $TOOLROOT/usr/include on the cc line cuz the
294 # modules functionality already includes it but
295 # XXX - how do I change cppflags in the hints file?
296 ccflags="$ccflags -I${TOOLROOT}/usr/include"
297 usrinc="${TOOLROOT}/usr/include"
303 # workaround for an optimizer bug
304 # Made to work via UU/config.sh thing (or, rather, config.sh, since we're in
305 # a callback) from README.hints, plus further stuff; doesn't handle -g still,
306 # unfortunately - Allen
307 case "`$cc -version 2>&1`" in
309 test -z "$op_cflags" && echo "op_cflags=\"optimize=\\\"\$optimize -O1\\\"\"" >> config.sh
310 test -z "$op_cflags" && op_cflags="optimize=\"\$optimize -O1\""
311 test -z "$opmini_cflags" && echo "opmini_cflags=\"optimize=\\\"\$optimize -O1\\\"\"" >> config.sh
312 test -z "$opmini_cflags" && opmini_cflags="optimize=\"\$optimize -O1\""
315 test -z "$op_cflags" && echo "op_cflags=\"optimize=\\\"\$optimize -O2\\\"\"" >> config.sh
316 test -z "$op_cflags" && op_cflags="$op_cflags optimize=\"\$optimize -O2\""
317 test -z "$opmini_cflags" && echo "opmini_cflags=\"optimize=\\\"\$optimize -O2\\\"\"" >> config.sh
318 test -z "$opmini_cflags" && opmini_cflags="optimize=\"\$optimize -O2\""
324 # End of cc.cbu callback unit. - Allen
326 # We don't want these libraries.
327 # Socket networking is in libc, these are not installed by default,
328 # and just slow perl down. (scotth@sgi.com)
329 # librt contains nothing we need (some places need it for Time::HiRes) --jhi
330 set `echo X "$libswanted "|sed -e 's/ socket / /' -e 's/ nsl / /' -e 's/ dl / /' -e 's/ rt / /'`
334 # I have conflicting reports about the sun, crypt, bsd, and PW
335 # libraries on Irix 6.2.
338 # Don't need sun crypt bsd PW under 6.2. You *may* need to link
339 # with these if you want to run perl built under 6.2 on a 5.3 machine
340 # (I haven't checked)
342 # Another user reported that if he included those libraries, a large number
343 # of the tests failed (approx. 20-25) and he would get a core dump. To
344 # make things worse, test results were inconsistent, i.e., some of the
345 # tests would pass some times and fail at other times.
346 # The safest thing to do seems to be to eliminate them.
348 # Actually, the only libs that you want are '-lm'. Everything else
349 # you need is in libc. You do also need '-lbsd' if you choose not
350 # to use the -D_BSD_* defines. Note that as of 6.2 the only
351 # difference between '-lmalloc' and '-lc' malloc is the debugging
352 # and control calls, which aren't used by perl. -- scotth@sgi.com
354 set `echo X "$libswanted "|sed -e 's/ sun / /' -e 's/ crypt / /' -e 's/ bsd / /' -e 's/ PW / /' -e 's/ malloc / /'`
358 # libbind.{so|a} would be from a BIND/named installation - IRIX 6.5.* has
359 # pretty much everything that would be useful in libbind in libc, including
360 # accessing a local caching server (nsd) that will also look in /etc/hosts,
361 # NIS (yuck!), etcetera. libbind also doesn't have the _r (thread-safe
362 # reentrant) functions.
363 # - Allen <easmith@beatrice.rutgers.edu>
367 set `echo X "$libswanted "|sed -e 's/ bind / /'`
373 # Don't groan about unused libraries.
376 *) ldflags="$ldflags -Wl,-woff,84" ;;
379 # Irix 6.5.6 seems to have a broken header <sys/mode.h>
380 # don't include that (it doesn't contain S_IFMT, S_IFREG, et al)
384 $cat > UU/usethreads.cbu <<'EOCBU'
385 # This script UU/usethreads.cbu will get 'called-back' by Configure
386 # after it has prompted the user for whether to use threads.
387 case "$usethreads" in
389 if test ! -f ${TOOLROOT}/usr/include/pthread.h -o ! -f /usr/lib/libpthread.so; then
393 IRIX `uname -r` does not support POSIX threads.
394 You should upgrade to at least IRIX 6.2 with pthread patches.
399 IRIX 6.2 can have the POSIX threads.
400 However, the following IRIX patches (or their replacements) MUST be installed:
401 1404 Irix 6.2 Posix 1003.1b man pages
402 1645 IRIX 6.2 & 6.3 POSIX header file updates
403 2000 Irix 6.2 Posix 1003.1b support modules
404 2254 Pthread library fixes
405 2401 6.2 all platform kernel rollup
407 Without patch 2401, a kernel bug in IRIX 6.2 will
408 cause your machine to panic and crash when running
409 threaded perl. IRIX 6.3 and up should be OK.
414 IRIX `uname -r` should have the POSIX threads.
415 But, somehow, you do not seem to have them installed.
420 Cannot continue, aborting.
424 set `echo X "$libswanted "| sed -e 's/ c / pthread /'`
430 # These are hidden behind a _POSIX1C ifdef that would
431 # require including <pthread.h> for the Configure hasproto
434 # d_asctime_r_proto="$define"
435 # d_ctime_r_proto="$define"
436 # d_gmtime_r_proto="$define"
437 # d_localtime_r_proto="$define"
439 # Safer just to go ahead and include it, for other ifdefs like them
440 # (there are a lot, such as in netdb.h). - Allen
441 ccflags="$ccflags -DPTHREAD_H_FIRST"
443 pthread_h_first="$define"
444 echo "pthread_h_first='define'" >> config.sh
451 # The -n32 makes off_t to be 8 bytes, so we should have largefileness.
453 $cat > UU/use64bitint.cbu <<'EOCBU'
454 # This script UU/use64bitint.cbu will get 'called-back' by Configure
455 # after it has prompted the user for whether to use 64 bit integers.
457 case "$use64bitint" in
462 IRIX `uname -r` does not support 64-bit types.
463 You should upgrade to at least IRIX 6.2.
464 Cannot continue, aborting.
471 *) d_casti32="$undef" ;;
476 $cat > UU/use64bitall.cbu <<'EOCBU'
477 # This script UU/use64bitall.cbu will get 'called-back' by Configure
478 # after it has prompted the user for whether to be maximally 64 bitty.
480 case "$use64bitall" in
485 You cannot use a non-64 bit cc for -Duse64bitall, sorry.
486 Cannot continue, aborting.
496 $cat > UU/uselongdouble.cbu <<'EOCBU'
497 # This script UU/uselongdouble.cbu will get 'called-back' by Configure
498 # after it has prompted the user for whether to use long doubles.
500 # This script is designed to test IRIX (and other machines, once it's put into
501 # Configure) for a bug in which they fail to round correctly when using
502 # sprintf/printf/etcetera on a long double with precision specified (%.0Lf or
503 # whatever). Sometimes, this only happens when the number in question is
504 # between 1 and -1, weirdly enough. - Allen
506 case "$uselongdouble" in
509 case "$d_PRIfldbl" in
516 #define sPRIfldbl $sPRIfldbl
518 #define I_STDLIB $i_stdlib
530 (void)sprintf(buf1,"%.0"sPRIfldbl,(long double)0.6L);
531 (void)sprintf(buf2,"%.0f",(double)0.6);
532 if (strcmp(buf1,buf2)) {
535 (void)sprintf(buf1,"%.0"sPRIfldbl,(long double)-0.6L);
536 (void)sprintf(buf2,"%.0f",(double)-0.6);
537 if (strcmp(buf1,buf2)) {
547 if eval $compile && $run ./try; then
548 rm -f try try.* >/dev/null
550 rm -f try try.* core a.out >/dev/null
551 ccflags="$ccflags -DHAS_LDBL_SPRINTF_BUG"
552 cppflags="$cppflags -DHAS_LDBL_SPRINTF_BUG"
558 #define sPRIfldbl $sPRIfldbl
560 #define I_STDLIB $i_stdlib
572 (void)sprintf(buf1,"%.0"sPRIfldbl,(long double)1.6L);
573 (void)sprintf(buf2,"%.0f",(double)1.6);
574 if (strcmp(buf1,buf2)) {
577 (void)sprintf(buf1,"%.0"sPRIfldbl,(long double)-1.6L);
578 (void)sprintf(buf2,"%.0f",(double)-1.6);
579 if (strcmp(buf1,buf2)) {
589 if eval $compile && $run ./try; then
590 rm -f try try.c >/dev/null
591 ccflags="$ccflags -DHAS_LDBL_SPRINTF_BUG_LESS1"
592 cppflags="$cppflags -DHAS_LDBL_SPRINTF_BUG_LESS1"
594 rm -f try try.c core try.o a.out >/dev/null
599 ccflags="$ccflags -DHAS_LDBL_SPRINTF_BUG"
600 cppflags="$cppflags -DHAS_LDBL_SPRINTF_BUG"
604 # end of case statement for how to print ldbl with 'f'
609 # end of case statement for whether to do long doubles
613 # Helmut Jarausch reports that Perl's malloc is rather unusable
614 # with IRIX, and SGI confirms the problem.
615 usemymalloc=${usemymalloc:-false}