3 # original from Krishna Sethuraman, krishna@sgi.com
5 # Modified Mon Jul 22 14:52:25 EDT 1996
6 # Andy Dougherty <doughera@lafcol.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 # 1116 - non-void function should return a value
17 # 1048 - cast between pointer-to-object and pointer-to-function
18 # 1042 - operand types are incompatible
20 # Tweaked by Chip Salzenberg <chip@perl.com> on 5/13/97
21 # - don't assume 'cc -n32' if the n32 libm.so is missing
23 # Threaded by Jarkko Hietaniemi <jhi@iki.fi> on 11/18/97
24 # - POSIX threads knowledge by IRIX version
26 # gcc-enabled by Kurt Starsinic <kstar@isinet.com> on 3/24/1998
28 # 64-bitty by Jarkko Hietaniemi on 9/1998
30 # Use sh Configure -Dcc='cc -n32' to try compiling with -n32.
31 # or -Dcc='cc -n32 -mips3' (or -mips4) to force (non)portability
32 # Don't bother with -n32 unless you have the 7.1 or later compilers.
33 # But there's no quick and light-weight way to check in 6.2.
35 # Let's assume we want to use 'cc -n32' by default, unless the
36 # necessary libm is missing (which has happened at least twice)
38 '') case "$use64bitall" in
39 "$define"|true|[yY]*) test -f /usr/lib64/libm.so && cc='cc -64' ;;
40 *) test -f /usr/lib32/libm.so && cc='cc -n32' ;;
43 test -z "$cc" && cc=cc
45 case "$use64bitint" in
50 IRIX `uname -r` does not support 64-bit types.
51 You should upgrade to at least IRIX 6.2.
52 Cannot continue, aborting.
60 case "$use64bitall" in
65 You cannot use -Duse64bitall in 32-bit IRIX, sorry.
67 Cannot continue, aborting.
75 # Check for which compiler we're using
80 # If a library is requested to link against, make sure the
81 # objects in the library are of the same ABI we are compiling
82 # against. Albert Chin-A-Young <china@thewrittenword.com>
83 libscheck='case "$xxx" in
84 *.a) /bin/ar p $xxx `/bin/ar t $xxx | /usr/bsd/head -1` >$$.o;
85 case "`/usr/bin/file $$.o`" in
87 *) rm -f $$.o; xxx=/no/n32$xxx ;;
89 *) case "`/usr/bin/file $xxx`" in
95 # NOTE: -L/usr/lib32 -L/lib32 are automatically selected by the linker
96 ldflags=' -L/usr/local/lib32 -L/usr/local/lib'
98 # From: David Billinghurst <David.Billinghurst@riotinto.com.au>
99 # If you get complaints about so_locations then change the following
100 # line to something like:
101 # lddlflags="-n32 -shared -check_registry /usr/lib32/so_locations"
102 lddlflags="-n32 -shared"
103 libc='/usr/lib32/libc.so'
104 plibpth='/usr/lib32 /lib32 /usr/ccs/lib'
108 loclibpth="$loclibpth /usr/lib64"
109 libscheck='case "`/usr/bin/file $xxx`" in
111 *) xxx=/no/64-bit$xxx ;;
113 # NOTE: -L/usr/lib64 -L/lib64 are automatically selected by the linker
114 ldflags=' -L/usr/local/lib64 -L/usr/local/lib'
116 # From: David Billinghurst <David.Billinghurst@riotinto.com.au>
117 # If you get complaints about so_locations then change the following
118 # line to something like:
119 # lddlflags="-64 -shared -check_registry /usr/lib64/so_locations"
120 lddlflags="-64 -shared"
121 libc='/usr/lib64/libc.so'
122 plibpth='/usr/lib64 /lib64 /usr/ccs/lib'
125 ccflags="$ccflags -D_BSD_TYPES -D_BSD_TIME -D_POSIX_C_SOURCE"
129 # Without the -mabi=64 gcc in 64-bit IRIX has problems passing
130 # and returning small structures. This affects inet_*() and semctl().
131 # See http://reality.sgi.com/ariel/freeware/gcc-2.8.1-notes.html
132 # for more information. Reported by Lionel Cons <lionel.cons@cern.ch>.
133 IRIX64) ccflags="$ccflags -mabi=64"
134 ldflags="$ldflags -mabi=64 -L/usr/lib64"
135 lddlflags="$lddlflags -mabi=64"
137 *) ccflags="$ccflags -DIRIX32_SEMUN_BROKEN_BY_GCC"
142 # this is needed to force the old-32 paths
143 # since the system default can be changed.
144 ccflags="$ccflags -32 -D_BSD_TYPES -D_BSD_TIME -Olimit 3100"
149 # Settings common to both native compiler modes.
151 *"cc -n32"|*"cc -64")
154 # perl's malloc can return improperly aligned buffer
155 # which (under 5.6.0RC1) leads into really bizarre bus errors
156 # and freak test failures (lib/safe1 #18, for example),
157 # even more so with -Duse64bitall: for example lib/io_linenumtb.
158 # fails under the harness but succeeds when run separately,
159 # under make test pragma/warnings #98 fails, and lib/io_dir
160 # apparently coredumps (the last two don't happen under
161 # the harness. Helmut Jarausch is seeing bus errors from
162 # miniperl, as was Scott Henry with snapshots from just before
165 #malloc_cflags='ccflags="-DSTRICT_ALIGNMENT $ccflags"'
170 # Perl 5.004_57 introduced new qsort code into pp_ctl.c that
171 # makes IRIX cc prior to 7.2.1 to emit bad code.
172 # so some serious hackery follows to set pp_ctl flags correctly.
174 # Check for which version of the compiler we're running
175 case "`$cc -version 2>&1`" in
176 *7.0*) # Mongoose 7.0
177 ccflags="$ccflags -D_BSD_TYPES -D_BSD_TIME -woff 1009,1042,1048,1110,1116,1174,1184,1552 -OPT:Olimit=0"
180 *7.1*|*7.2|*7.20) # Mongoose 7.1+
181 ccflags="$ccflags -D_BSD_TYPES -D_BSD_TIME -woff 1009,1110,1174,1184,1552 -OPT:Olimit=0"
183 # This is a temporary fix for 5.005.
184 # Leave pp_ctl_cflags line at left margin for Configure. See
185 # hints/README.hints, especially the section
186 # =head2 Propagating variables to config.sh
187 pp_ctl_cflags='optimize=-O'
189 *7.*) # Mongoose 7.2.1+
190 ccflags="$ccflags -D_BSD_TYPES -D_BSD_TIME -woff 1009,1110,1174,1184,1552 -OPT:Olimit=0:space=ON"
193 *6.2*) # Ragnarok 6.2
194 ccflags="$ccflags -D_BSD_TYPES -D_BSD_TIME -woff 1009,1110,1174,1184,1552"
197 *) # Be safe and not optimize
198 ccflags="$ccflags -D_BSD_TYPES -D_BSD_TIME -woff 1009,1110,1174,1184,1552 -OPT:Olimit=0"
203 # this is to accommodate the 'modules' capability of the
204 # 7.2 MIPSPro compilers, which allows for the compilers to be installed
205 # in a nondefault location. Almost everything works as expected, but
206 # /usr/include isn't caught properly. Hence see the /usr/include/pthread.h
207 # change below to include TOOLROOT (a modules environment variable),
208 # and the following code. Additional
209 # code to accommodate the 'modules' environment should probably be added
210 # here if possible, or be inserted as a ${TOOLROOT} reference before
211 # absolute paths (again, see the pthread.h change below).
212 # -- krishna@sgi.com, 8/23/98
214 if [ "X${TOOLROOT}" != "X" ]; then
215 # we cant set cppflags because it gets overwritten
216 # we dont actually need $TOOLROOT/usr/include on the cc line cuz the
217 # modules functionality already includes it but
218 # XXX - how do I change cppflags in the hints file?
219 ccflags="$ccflags -I${TOOLROOT}/usr/include"
220 usrinc="${TOOLROOT}/usr/include"
226 # Don't groan about unused libraries.
227 ldflags="$ldflags -Wl,-woff,84"
229 case "`$cc -version 2>&1`" in
230 *7.2.*) op_cflags='optimize=-O1' ;; # workaround for an optimizer bug
233 # We don't want these libraries.
234 # Socket networking is in libc, these are not installed by default,
235 # and just slow perl down. (scotth@sgi.com)
236 set `echo X "$libswanted "|sed -e 's/ socket / /' -e 's/ nsl / /' -e 's/ dl / /'`
240 # Irix 6.5.6 seems to have a broken header <sys/mode.h>
241 # don't include that (it doesn't contain S_IFMT, S_IFREG, et al)
245 # I have conflicting reports about the sun, crypt, bsd, and PW
246 # libraries on Irix 6.2.
249 # Don't need sun crypt bsd PW under 6.2. You *may* need to link
250 # with these if you want to run perl built under 6.2 on a 5.3 machine
251 # (I haven't checked)
253 # Another user reported that if he included those libraries, a large number
254 # of the tests failed (approx. 20-25) and he would get a core dump. To
255 # make things worse, test results were inconsistent, i.e., some of the
256 # tests would pass some times and fail at other times.
257 # The safest thing to do seems to be to eliminate them.
259 # Actually, the only libs that you want are '-lm'. Everything else
260 # you need is in libc. You do also need '-lbsd' if you choose not
261 # to use the -D_BSD_* defines. Note that as of 6.2 the only
262 # difference between '-lmalloc' and '-lc' malloc is the debugging
263 # and control calls, which aren't used by perl. -- scotth@sgi.com
265 set `echo X "$libswanted "|sed -e 's/ sun / /' -e 's/ crypt / /' -e 's/ bsd / /' -e 's/ PW / /' -e 's/ malloc / /'`
269 cat > UU/usethreads.cbu <<'EOCBU'
270 # This script UU/usethreads.cbu will get 'called-back' by Configure
271 # after it has prompted the user for whether to use threads.
272 case "$usethreads" in
274 if test ! -f ${TOOLROOT}/usr/include/pthread.h -o ! -f /usr/lib/libpthread.so; then
278 IRIX `uname -r` does not support POSIX threads.
279 You should upgrade to at least IRIX 6.2 with pthread patches.
284 IRIX 6.2 can have the POSIX threads.
285 However, the following IRIX patches (or their replacements) MUST be installed:
286 1404 Irix 6.2 Posix 1003.1b man pages
287 1645 IRIX 6.2 & 6.3 POSIX header file updates
288 2000 Irix 6.2 Posix 1003.1b support modules
289 2254 Pthread library fixes
290 2401 6.2 all platform kernel rollup
292 Without patch 2401, a kernel bug in IRIX 6.2 will
293 cause your machine to panic and crash when running
294 threaded perl. IRIX 6.3 and up should be OK.
299 IRIX `uname -r` should have the POSIX threads.
300 But, somehow, you do not seem to have them installed.
305 Cannot continue, aborting.
309 set `echo X "$libswanted "| sed -e 's/ c / pthread /'`
319 # The -n32 makes off_t to be 8 bytes, so we should have largefileness.