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 # Martin Pool added -shared for gcc on 2004-01-27
31 # Use sh Configure -Dcc='cc -n32' to try compiling with -n32.
32 # or -Dcc='cc -n32 -mips3' (or -mips4) to force (non)portability
33 # Don't bother with -n32 unless you have the 7.1 or later compilers.
34 # But there's no quick and light-weight way to check in 6.2.
36 # NOTE: some IRIX cc versions, e.g. 7.3.1.1m (try cc -version) have
37 # been known to have issues (coredumps) when compiling perl.c.
38 # If you've used -OPT:fast_io=ON and this happens, try removing it.
39 # If that fails, or you didn't use that, then try adjusting other
40 # optimization options (-LNO, -INLINE, -O3 to -O2, etcetera).
41 # The compiler bug has been reported to SGI.
42 # -- Allen Smith <allens@cpan.org>
44 case "$use64bitall" in
49 You have asked for use64bitall but you aren't running on 64-bit IRIX.
50 I'll try changing it to use64bitint.
57 Sorry, can't do use64bitint either. Try upgrading to IRIX 6.2 or later.
61 *) use64bitint="$define"
69 # Until we figure out what to be probed for in Configure (ditto for hpux.sh)
70 case "$usemorebits" in # Need to expand this now, then.
74 uselongdouble="$define"
76 *) use64bitint="$define" uselongdouble="$define" ;;
80 # Let's assume we want to use 'cc -n32' by default, unless the
81 # necessary libm is missing (which has happened at least twice)
83 '') case "$use64bitall" in
84 "$define"|true|[yY]*) test -f /usr/lib64/libm.so && cc='cc -64' ;;
85 *) test -f /usr/lib32/libm.so && cc='cc -n32' ;;
89 case "$use64bitint" in
90 "$define"|true|[yY]*) ;;
91 *) d_casti32="$undef" ;;
97 $cat > UU/cc.cbu <<'EOCCBU'
98 # This script UU/cc.cbu will get 'called-back' by Configure after it
99 # has prompted the user for the C compiler to use.
103 *) ccversion=`cc -version 2>&1` ;;
106 # Check for which compiler we're using
110 test -z "$ldlibpthname" && ldlibpthname='LD_LIBRARYN32_PATH'
112 # If a library is requested to link against, make sure the
113 # objects in the library are of the same ABI we are compiling
114 # against. Albert Chin-A-Young <china@thewrittenword.com>
116 # In other words, you no longer have to worry regarding having old
117 # library paths (/usr/lib) in the searchpath for -n32 or -64; thank
118 # you very much, Albert! Now if we could just get more module authors
119 # to use something like this... - Allen
121 libscheck='case "$xxx" in
122 *.a) /bin/ar p $xxx `/bin/ar t $xxx | sed q` >$$.o;
123 case "`/usr/bin/file $$.o`" in
125 *) rm -f $$.o; xxx=/no/n32$xxx ;;
127 *) case "`/usr/bin/file $xxx`" in
129 *) xxx=/no/n32$xxx ;;
133 # NOTE: -L/usr/lib32 -L/lib32 are automatically selected by the linker
134 test -z "$ldflags" && ldflags=' -L/usr/local/lib32 -L/usr/local/lib'
136 # From: David Billinghurst <David.Billinghurst@riotinto.com.au>
137 # If you get complaints about so_locations then change the following
138 # line to something like:
139 # lddlflags="-n32 -shared -check_registry /usr/lib32/so_locations"
140 test -z "$lddlflags" && lddlflags="-n32 -shared"
141 test -z "$libc" && libc='/usr/lib32/libc.so'
142 test -z "$plibpth" && plibpth='/usr/lib32 /lib32 /usr/ccs/lib'
148 You cannot use cc -64 or -Duse64bitall in 32-bit IRIX, sorry.
149 Cannot continue, aborting.
154 test -z "$ldlibpthname" && ldlibpthname='LD_LIBRARY64_PATH'
155 test -z "$use64bitall" && use64bitall="$define"
156 test -z "$use64bitint" && use64bitint="$define"
157 loclibpth="$loclibpth /usr/lib64"
158 libscheck='case "`/usr/bin/file $xxx`" in
160 *) xxx=/no/64-bit$xxx ;;
162 # NOTE: -L/usr/lib64 -L/lib64 are automatically selected by the linker
163 test -z "$ldflags" && ldflags=' -L/usr/local/lib64 -L/usr/local/lib'
165 test -z "$archname64" && archname64='64all'
166 # From: David Billinghurst <David.Billinghurst@riotinto.com.au>
167 # If you get complaints about so_locations then change the following
168 # line to something like:
169 # lddlflags="-64 -shared -check_registry /usr/lib64/so_locations"
170 test -z lddlflags="-64 -shared"
171 test -z "$libc" && libc='/usr/lib64/libc.so'
172 test -z "$plibpth" && plibpth='/usr/lib64 /lib64 /usr/ccs/lib'
175 ccflags="$ccflags -D_BSD_TYPES -D_BSD_TIME"
176 test -z "$optimize" && optimize="-O3"
178 # It seems gcc can build Irix shlibs, but of course it needs
179 # -shared. Otherwise you get link errors looking for main().
180 lddlflags="$lddlflags -shared"
182 # Without the -mabi=64 gcc in 64-bit IRIX has problems passing
183 # and returning small structures. This affects inet_*() and semctl().
184 # See http://reality.sgi.com/ariel/freeware/gcc-2.8.1-notes.html
185 # for more information. Reported by Lionel Cons <lionel.cons@cern.ch>.
186 IRIX64) ccflags="$ccflags -mabi=64"
187 ldflags="$ldflags -mabi=64 -L/usr/lib64"
188 lddlflags="$lddlflags -mabi=64"
190 *) ccflags="$ccflags -DIRIX32_SEMUN_BROKEN_BY_GCC"
195 # this is needed to force the old-32 paths
196 # since the system default can be changed.
197 ccflags="$ccflags -32 -D_BSD_TYPES -D_BSD_TIME -Olimit 3100"
202 # Settings common to both native compiler modes.
204 *"cc -n32"*|*"cc -64"*)
205 test -z "$ld" && ld=$cc
207 # perl's malloc can return improperly aligned buffer
208 # which (under 5.6.0RC1) leads into really bizarre bus errors
209 # and freak test failures (lib/safe1 #18, for example),
210 # even more so with -Duse64bitall: for example lib/io_linenumtb.
211 # fails under the harness but succeeds when run separately,
212 # under make test pragma/warnings #98 fails, and lib/io_dir
213 # apparently coredumps (the last two don't happen under
214 # the harness. Helmut Jarausch is seeing bus errors from
215 # miniperl, as was Scott Henry with snapshots from just before
219 # Was at the first of the line - Allen
220 #malloc_cflags='ccflags="-DSTRICT_ALIGNMENT $ccflags"'
223 nm_so_opt="$nm_so_opt -p"
225 # Warnings to turn off because the source code hasn't
226 # been cleaned up enough yet to satisfy the IRIX cc.
227 # 1184: "=" is used where where "==" may have been intended.
228 # 1552: The variable "foobar" is set but never used.
231 # Perl 5.004_57 introduced new qsort code into pp_ctl.c that
232 # makes IRIX cc prior to 7.2.1 to emit bad code.
233 # so some serious hackery follows to set pp_ctl flags correctly.
235 # Check for which version of the compiler we're running
236 case "`$cc -version 2>&1`" in
237 *7.0*) # Mongoose 7.0
238 ccflags="$ccflags -D_BSD_TYPES -D_BSD_TIME -woff $woff -OPT:Olimit=0"
241 *7.1*|*7.2|*7.20) # Mongoose 7.1+
242 ccflags="$ccflags -D_BSD_TYPES -D_BSD_TIME -woff $woff"
244 '') optimize='-O3 -OPT:Olimit=0' ;;
245 '-O') optimize='-O3 -OPT:Olimit=0' ;;
249 # This is a temporary fix for 5.005+.
250 # See hints/README.hints, especially the section
251 # =head2 Propagating variables to config.sh
253 # Note the part about case statements not working without
254 # weirdness like the below echo statement... and, since
255 # we're in a callback unit, it's to config.sh, not UU/config.sh
259 pp_ctl_cflags="$pp_ctl_flags optimize=\"$optimize -O1\""
260 echo "pp_ctl_cflags=\"$pp_ctl_flags optimize=\\\"\$optimize -O1\\\"\"" >> config.sh
265 # XXX What is space=ON doing in here? Could someone ask Scott Henry? - Allen
267 *7.*) # Mongoose 7.2.1+
268 ccflags="$ccflags -D_BSD_TYPES -D_BSD_TIME -woff $woff"
270 '') optimize='-O3 -OPT:Olimit=0:space=ON' ;;
271 '-O') optimize='-O3 -OPT:Olimit=0:space=ON' ;;
275 *6.2*) # Ragnarok 6.2
276 ccflags="$ccflags -D_BSD_TYPES -D_BSD_TIME -woff $woff"
279 *) # Be safe and not optimize
280 ccflags="$ccflags -D_BSD_TYPES -D_BSD_TIME -woff $woff"
285 # this is to accommodate the 'modules' capability of the
286 # 7.2 MIPSPro compilers, which allows for the compilers to be installed
287 # in a nondefault location. Almost everything works as expected, but
288 # /usr/include isn't caught properly. Hence see the /usr/include/pthread.h
289 # change below to include TOOLROOT (a modules environment variable),
290 # and the following code. Additional
291 # code to accommodate the 'modules' environment should probably be added
292 # here if possible, or be inserted as a ${TOOLROOT} reference before
293 # absolute paths (again, see the pthread.h change below).
294 # -- krishna@sgi.com, 8/23/98
296 if [ "X${TOOLROOT}" != "X" ]; then
297 # we cant set cppflags because it gets overwritten
298 # we dont actually need $TOOLROOT/usr/include on the cc line cuz the
299 # modules functionality already includes it but
300 # XXX - how do I change cppflags in the hints file?
301 ccflags="$ccflags -I${TOOLROOT}/usr/include"
302 usrinc="${TOOLROOT}/usr/include"
308 # workaround for an optimizer bug
309 # Made to work via UU/config.sh thing (or, rather, config.sh, since we're in
310 # a callback) from README.hints, plus further stuff; doesn't handle -g still,
311 # unfortunately - Allen
312 case "`$cc -version 2>&1`" in
314 test -z "$op_cflags" && echo "op_cflags=\"optimize=\\\"\$optimize -O1\\\"\"" >> config.sh
315 test -z "$op_cflags" && op_cflags="optimize=\"\$optimize -O1\""
316 test -z "$opmini_cflags" && echo "opmini_cflags=\"optimize=\\\"\$optimize -O1\\\"\"" >> config.sh
317 test -z "$opmini_cflags" && opmini_cflags="optimize=\"\$optimize -O1\""
320 test -z "$op_cflags" && echo "op_cflags=\"optimize=\\\"\$optimize -O2\\\"\"" >> config.sh
321 test -z "$op_cflags" && op_cflags="$op_cflags optimize=\"\$optimize -O2\""
322 test -z "$opmini_cflags" && echo "opmini_cflags=\"optimize=\\\"\$optimize -O2\\\"\"" >> config.sh
323 test -z "$opmini_cflags" && opmini_cflags="optimize=\"\$optimize -O2\""
329 # End of cc.cbu callback unit. - Allen
331 # We don't want these libraries.
332 # Socket networking is in libc, these are not installed by default,
333 # and just slow perl down. (scotth@sgi.com)
334 # librt contains nothing we need (some places need it for Time::HiRes) --jhi
335 set `echo X "$libswanted "|sed -e 's/ socket / /' -e 's/ nsl / /' -e 's/ dl / /' -e 's/ rt / /'`
339 # I have conflicting reports about the sun, crypt, bsd, and PW
340 # libraries on Irix 6.2.
343 # Don't need sun crypt bsd PW under 6.2. You *may* need to link
344 # with these if you want to run perl built under 6.2 on a 5.3 machine
345 # (I haven't checked)
347 # Another user reported that if he included those libraries, a large number
348 # of the tests failed (approx. 20-25) and he would get a core dump. To
349 # make things worse, test results were inconsistent, i.e., some of the
350 # tests would pass some times and fail at other times.
351 # The safest thing to do seems to be to eliminate them.
353 # Actually, the only libs that you want are '-lm'. Everything else
354 # you need is in libc. You do also need '-lbsd' if you choose not
355 # to use the -D_BSD_* defines. Note that as of 6.2 the only
356 # difference between '-lmalloc' and '-lc' malloc is the debugging
357 # and control calls, which aren't used by perl. -- scotth@sgi.com
359 set `echo X "$libswanted "|sed -e 's/ sun / /' -e 's/ crypt / /' -e 's/ bsd / /' -e 's/ PW / /' -e 's/ malloc / /'`
363 # libbind.{so|a} would be from a BIND/named installation - IRIX 6.5.* has
364 # pretty much everything that would be useful in libbind in libc, including
365 # accessing a local caching server (nsd) that will also look in /etc/hosts,
366 # NIS (yuck!), etcetera. libbind also doesn't have the _r (thread-safe
367 # reentrant) functions.
368 # - Allen <easmith@beatrice.rutgers.edu>
372 set `echo X "$libswanted "|sed -e 's/ bind / /'`
378 # Don't groan about unused libraries.
381 *) ldflags="$ldflags -Wl,-woff,84" ;;
384 # Irix 6.5.6 seems to have a broken header <sys/mode.h>
385 # don't include that (it doesn't contain S_IFMT, S_IFREG, et al)
389 $cat > UU/usethreads.cbu <<'EOCBU'
390 # This script UU/usethreads.cbu will get 'called-back' by Configure
391 # after it has prompted the user for whether to use threads.
392 case "$usethreads" in
394 if test ! -f ${TOOLROOT}/usr/include/pthread.h -o ! -f /usr/lib/libpthread.so; then
398 IRIX `uname -r` does not support POSIX threads.
399 You should upgrade to at least IRIX 6.2 with pthread patches.
404 IRIX 6.2 can have the POSIX threads.
405 However, the following IRIX patches (or their replacements) MUST be installed:
406 1404 Irix 6.2 Posix 1003.1b man pages
407 1645 IRIX 6.2 & 6.3 POSIX header file updates
408 2000 Irix 6.2 Posix 1003.1b support modules
409 2254 Pthread library fixes
410 2401 6.2 all platform kernel rollup
412 Without patch 2401, a kernel bug in IRIX 6.2 will
413 cause your machine to panic and crash when running
414 threaded perl. IRIX 6.3 and up should be OK.
419 IRIX `uname -r` should have the POSIX threads.
420 But, somehow, you do not seem to have them installed.
425 Cannot continue, aborting.
429 set `echo X "$libswanted "| sed -e 's/ c / pthread /'`
435 # These are hidden behind a _POSIX1C ifdef that would
436 # require including <pthread.h> for the Configure hasproto
439 # d_asctime_r_proto="$define"
440 # d_ctime_r_proto="$define"
441 # d_gmtime_r_proto="$define"
442 # d_localtime_r_proto="$define"
444 # Safer just to go ahead and include it, for other ifdefs like them
445 # (there are a lot, such as in netdb.h). - Allen
446 ccflags="$ccflags -DPTHREAD_H_FIRST"
448 pthread_h_first="$define"
449 echo "pthread_h_first='define'" >> config.sh
456 # The -n32 makes off_t to be 8 bytes, so we should have largefileness.
458 $cat > UU/use64bitint.cbu <<'EOCBU'
459 # This script UU/use64bitint.cbu will get 'called-back' by Configure
460 # after it has prompted the user for whether to use 64 bit integers.
462 case "$use64bitint" in
467 IRIX `uname -r` does not support 64-bit types.
468 You should upgrade to at least IRIX 6.2.
469 Cannot continue, aborting.
476 *) d_casti32="$undef" ;;
481 $cat > UU/use64bitall.cbu <<'EOCBU'
482 # This script UU/use64bitall.cbu will get 'called-back' by Configure
483 # after it has prompted the user for whether to be maximally 64 bitty.
485 case "$use64bitall" in
490 You cannot use a non-64 bit cc for -Duse64bitall, sorry.
491 Cannot continue, aborting.
501 $cat > UU/uselongdouble.cbu <<'EOCBU'
502 # This script UU/uselongdouble.cbu will get 'called-back' by Configure
503 # after it has prompted the user for whether to use long doubles.
505 # This script is designed to test IRIX (and other machines, once it's put into
506 # Configure) for a bug in which they fail to round correctly when using
507 # sprintf/printf/etcetera on a long double with precision specified (%.0Lf or
508 # whatever). Sometimes, this only happens when the number in question is
509 # between 1 and -1, weirdly enough. - Allen
511 case "$uselongdouble" in
514 case "$d_PRIfldbl" in
521 #define sPRIfldbl $sPRIfldbl
523 #define I_STDLIB $i_stdlib
535 (void)sprintf(buf1,"%.0"sPRIfldbl,(long double)0.6L);
536 (void)sprintf(buf2,"%.0f",(double)0.6);
537 if (strcmp(buf1,buf2)) {
540 (void)sprintf(buf1,"%.0"sPRIfldbl,(long double)-0.6L);
541 (void)sprintf(buf2,"%.0f",(double)-0.6);
542 if (strcmp(buf1,buf2)) {
552 if eval $compile && $run ./try; then
553 rm -f try try.* >/dev/null
555 rm -f try try.* core a.out >/dev/null
556 ccflags="$ccflags -DHAS_LDBL_SPRINTF_BUG"
557 cppflags="$cppflags -DHAS_LDBL_SPRINTF_BUG"
563 #define sPRIfldbl $sPRIfldbl
565 #define I_STDLIB $i_stdlib
577 (void)sprintf(buf1,"%.0"sPRIfldbl,(long double)1.6L);
578 (void)sprintf(buf2,"%.0f",(double)1.6);
579 if (strcmp(buf1,buf2)) {
582 (void)sprintf(buf1,"%.0"sPRIfldbl,(long double)-1.6L);
583 (void)sprintf(buf2,"%.0f",(double)-1.6);
584 if (strcmp(buf1,buf2)) {
594 if eval $compile && $run ./try; then
595 rm -f try try.c >/dev/null
596 ccflags="$ccflags -DHAS_LDBL_SPRINTF_BUG_LESS1"
597 cppflags="$cppflags -DHAS_LDBL_SPRINTF_BUG_LESS1"
599 rm -f try try.c core try.o a.out >/dev/null
604 ccflags="$ccflags -DHAS_LDBL_SPRINTF_BUG"
605 cppflags="$cppflags -DHAS_LDBL_SPRINTF_BUG"
609 # end of case statement for how to print ldbl with 'f'
614 # end of case statement for whether to do long doubles
618 # Helmut Jarausch reports that Perl's malloc is rather unusable
619 # with IRIX, and SGI confirms the problem.
620 usemymalloc=${usemymalloc:-false}