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Make it possible to override the mistrustnm hint in Solaris.
[perl5.git] / hints / solaris_2.sh
CommitLineData
bc1ad331 1# hints/solaris_2.sh
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2# Contributions by (in alphabetical order) Alan Burlison, Andy Dougherty,
3# Dean Roehrich, Jarkko Hietaniemi, Lupe Christoph, Richard Soderberg and
4# many others.
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5#
6# See README.solaris for additional information.
7#
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8# For consistency with gcc, we do not adopt Sun Marketing's
9# removal of the '2.' prefix from the Solaris version number.
10# (Configure tries to detect an old fixincludes and needs
11# this information.)
12
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13# If perl fails tests that involve dynamic loading of extensions, and
14# you are using gcc, be sure that you are NOT using GNU as and ld. One
15# way to do that is to invoke Configure with
73ad924b 16#
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17# sh Configure -Dcc='gcc -B/usr/ccs/bin/'
18#
19# (Note that the trailing slash is *required*.)
20# gcc will occasionally emit warnings about "unused prefix", but
21# these ought to be harmless. See below for more details.
73ad924b 22
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23# Solaris has secure SUID scripts
24d_suidsafe=${d_suidsafe:-define}
25
5129fff4 26# Be paranoid about nm failing to find symbols
9cad8f9e 27mistrustnm=${mistrustnm:-run}
5129fff4 28
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29# Several people reported problems with perl's malloc, especially
30# when use64bitall is defined or when using gcc.
31# http://www.xray.mpe.mpg.de/mailing-lists/perl5-porters/2001-01/msg01318.html
32# http://www.xray.mpe.mpg.de/mailing-lists/perl5-porters/2001-01/msg00465.html
33usemymalloc=${usemymalloc:-false}
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34
35# Avoid all libraries in /usr/ucblib.
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36# /lib is just a symlink to /usr/lib
37set `echo $glibpth | sed -e 's@/usr/ucblib@@' -e 's@ /lib @ @'`
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38glibpth="$*"
39
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40# Remove unwanted libraries. -lucb contains incompatible routines.
41# -lld and -lsec don't do anything useful. -lcrypt does not
42# really provide anything we need over -lc, so we drop it, too.
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43# -lmalloc can cause a problem with GNU CC & Solaris. Specifically,
44# libmalloc.a may allocate memory that is only 4 byte aligned, but
45# GNU CC on the Sparc assumes that doubles are 8 byte aligned.
46# Thanks to Hallvard B. Furuseth <h.b.furuseth@usit.uio.no>
73ad924b 47set `echo " $libswanted " | sed -e 's@ ld @ @' -e 's@ malloc @ @' -e 's@ ucb @ @' -e 's@ sec @ @' -e 's@ crypt @ @'`
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48libswanted="$*"
49
b1db1e90 50# Look for architecture name. We want to suggest a useful default.
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51case "$archname" in
52'')
53 if test -f /usr/bin/arch; then
54 archname=`/usr/bin/arch`
55 archname="${archname}-${osname}"
56 elif test -f /usr/ucb/arch; then
57 archname=`/usr/ucb/arch`
58 archname="${archname}-${osname}"
59 fi
60 ;;
61esac
a0d0e21e 62
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63#
64# This extracts the library directories that will be searched by the Sun
65# Workshop compiler, given the command-line supplied in $tryworkshopcc.
66# Use thusly: loclibpth="`$getworkshoplibs` $loclibpth"
67#
68 getworkshoplibs=`cat <<'END'
69eval $tryworkshopcc -### 2>&1 | \
70sed -n '/ -Y /s!.* -Y "P,\([^"]*\)".*!\1!p' | tr ':' ' ' | \
71sed -e 's!/usr/lib/sparcv9!!' -e 's!/usr/ccs/lib/sparcv9!!' \
72 -e 's!/usr/lib!!g' -e 's!/usr/ccs/lib!!g'
73END
74`
da8f3004 75
d503bed0 76case "$cc" in
c678381b 77'') if test -f /opt/SUNWspro/bin/cc; then
32ca13a0 78 cc=/opt/SUNWspro/bin/cc
c678381b 79 cat <<EOF >&4
d503bed0 80
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81You specified no cc but you seem to have the Workshop compiler
82($cc) installed, using that.
83If you want something else, specify that in the command line,
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84e.g. Configure -Dcc=gcc
85
86EOF
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87 fi
88 ;;
89esac
90
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91######################################################
92# General sanity testing. See below for excerpts from the Solaris FAQ.
93#
94# From roehrich@ironwood-fddi.cray.com Wed Sep 27 12:51:46 1995
95# Date: Thu, 7 Sep 1995 16:31:40 -0500
96# From: Dean Roehrich <roehrich@ironwood-fddi.cray.com>
97# To: perl5-porters@africa.nicoh.com
98# Subject: Re: On perl5/solaris/gcc
99#
73ad924b 100# Here's another draft of the perl5/solaris/gcc sanity-checker.
da8f3004 101
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102case `type ${cc:-cc}` in
103*/usr/ucb/cc*) cat <<END >&4
8e07c86e 104
73ad924b 105NOTE: Some people have reported problems with /usr/ucb/cc.
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106If you have difficulties, please make sure the directory
107containing your C compiler is before /usr/ucb in your PATH.
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108
109END
110;;
111esac
112
113
114# Check that /dev/fd is mounted. If it is not mounted, let the
115# user know that suid scripts may not work.
55954f19 116mount | grep '^/dev/fd ' 2>&1 > /dev/null
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117case $? in
1180) ;;
119*)
68dc0745 120 cat <<END >&4
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121
122NOTE: Your system does not have /dev/fd mounted. If you want to
123be able to use set-uid scripts you must ask your system administrator
124to mount /dev/fd.
125
126END
127 ;;
128esac
129
130
131# See if libucb can be found in /usr/lib. If it is, warn the user
132# that this may cause problems while building Perl extensions.
133/usr/bin/ls /usr/lib/libucb* >/dev/null 2>&1
134case $? in
1350)
68dc0745 136 cat <<END >&4
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137
138NOTE: libucb has been found in /usr/lib. libucb should reside in
139/usr/ucblib. You may have trouble while building Perl extensions.
140
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141END
142;;
143esac
40000a8c 144
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145# Use shell built-in 'type' command instead of /usr/bin/which to
146# avoid possible csh start-up problems and also to use the same shell
147# we'll be using to Configure and make perl.
148# The path name is the last field in the output, but the type command
149# has an annoying array of possible outputs, e.g.:
150# make is hashed (/opt/gnu/bin/make)
151# cc is /usr/ucb/cc
152# foo not found
153# use a command like type make | awk '{print $NF}' | sed 's/[()]//g'
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154
155# See if make(1) is GNU make(1).
156# If it is, make sure the setgid bit is not set.
157make -v > make.vers 2>&1
158if grep GNU make.vers > /dev/null 2>&1; then
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159 tmp=`type make | awk '{print $NF}' | sed 's/[()]//g'`
160 case "`/usr/bin/ls -lL $tmp`" in
8e07c86e 161 ??????s*)
68dc0745 162 cat <<END >&2
73ad924b 163
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164NOTE: Your PATH points to GNU make, and your GNU make has the set-group-id
165bit set. You must either rearrange your PATH to put /usr/ccs/bin before the
166GNU utilities or you must ask your system administrator to disable the
167set-group-id bit on GNU make.
168
169END
170 ;;
171 esac
172fi
173rm -f make.vers
174
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175cat > UU/cc.cbu <<'EOCBU'
176# This script UU/cc.cbu will get 'called-back' by Configure after it
177# has prompted the user for the C compiler to use.
178
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179# If the C compiler is gcc:
180# - check the fixed-includes
181# - check as(1) and ld(1), they should not be GNU
bd89102f 182# (GNU as and ld 2.8.1 and later are reportedly ok, however.)
8e07c86e 183# If the C compiler is not gcc:
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184# - Check if it is the Workshop/Forte compiler.
185# If it is, prepare for 64 bit and long doubles.
8e07c86e 186# - check as(1) and ld(1), they should not be GNU
bd89102f 187# (GNU as and ld 2.8.1 and later are reportedly ok, however.)
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188#
189# Watch out in case they have not set $cc.
1acf53c5 190
73ad924b 191# Perl compiled with some combinations of GNU as and ld may not
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192# be able to perform dynamic loading of extensions. If you have a
193# problem with dynamic loading, be sure that you are using the Solaris
194# /usr/ccs/bin/as and /usr/ccs/bin/ld. You can do that with
195# sh Configure -Dcc='gcc -B/usr/ccs/bin/'
73ad924b 196# (note the trailing slash is required).
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197# Combinations that are known to work with the following hints:
198#
199# gcc-2.7.2, GNU as 2.7, GNU ld 2.7
200# egcs-1.0.3, GNU as 2.9.1 and GNU ld 2.9.1
73ad924b 201# --Andy Dougherty <doughera@lafayette.edu>
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202# Tue Apr 13 17:19:43 EDT 1999
203
1acf53c5 204# Get gcc to share its secrets.
55954f19 205echo 'int main() { return 0; }' > try.c
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206 # Indent to avoid propagation to config.sh
207 verbose=`${cc:-cc} -v -o try try.c 2>&1`
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208
209if echo "$verbose" | grep '^Reading specs from' >/dev/null 2>&1; then
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210 #
211 # Using gcc.
212 #
68fed2af 213 cc_name='gcc'
8e07c86e 214
e766ed8d 215 # See if as(1) is GNU as(1). GNU as(1) might not work for this job.
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216 if echo "$verbose" | grep ' /usr/ccs/bin/as ' >/dev/null 2>&1; then
217 :
218 else
68dc0745 219 cat <<END >&2
8e07c86e 220
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221NOTE: You are using GNU as(1). GNU as(1) might not build Perl. If you
222have trouble, you can use /usr/ccs/bin/as by including -B/usr/ccs/bin/
bd89102f 223in your ${cc:-cc} command. (Note that the trailing "/" is required.)
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224
225END
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226 # Apparently not needed, at least for as 2.7 and later.
227 # cc="${cc:-cc} -B/usr/ccs/bin/"
1acf53c5 228 fi
8e07c86e 229
e766ed8d 230 # See if ld(1) is GNU ld(1). GNU ld(1) might not work for this job.
bd89102f 231 # Recompute $verbose since we may have just changed $cc.
d5fdf557 232 verbose=`${cc:-cc} -v -o try try.c 2>&1 | grep ld 2>&1`
e766ed8d 233
bd89102f 234 if echo "$verbose" | grep ' /usr/ccs/bin/ld ' >/dev/null 2>&1; then
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235 # Ok, gcc directly calls the Solaris /usr/ccs/bin/ld.
236 :
237 elif echo "$verbose" | grep "ld: Software Generation Utilities" >/dev/null 2>&1; then
238 # Hmm. gcc doesn't call /usr/ccs/bin/ld directly, but it
239 # does appear to be using it eventually. egcs-1.0.3's ld
240 # wrapper does this.
241 # All Solaris versions of ld I've seen contain the magic
242 # string used in the grep.
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243 :
244 else
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245 # No evidence yet of /usr/ccs/bin/ld. Some versions
246 # of egcs's ld wrapper call /usr/ccs/bin/ld in turn but
247 # apparently don't reveal that unless you pass in -V.
248 # (This may all depend on local configurations too.)
d5fdf557 249
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250 # Recompute verbose with -Wl,-v to find GNU ld if present
251 verbose=`${cc:-cc} -v -Wl,-v -o try try.c 2>&1 | grep ld 2>&1`
252
d5fdf557 253 myld=`echo $verbose| grep ld | awk '/\/ld/ {print $1}'`
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254 # This assumes that gcc's output will not change, and that
255 # /full/path/to/ld will be the first word of the output.
c4a5d551 256 # Thus myld is something like /opt/gnu/sparc-sun-solaris2.5/bin/ld
e766ed8d 257
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258 # Allow that $myld may be '', due to changes in gcc's output
259 if ${myld:-ld} -V 2>&1 |
260 grep "ld: Software Generation Utilities" >/dev/null 2>&1; then
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261 # Ok, /usr/ccs/bin/ld eventually does get called.
262 :
263 else
c4a5d551 264 echo "Found GNU ld='$myld'" >&4
e766ed8d 265 cat <<END >&2
8e07c86e 266
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267NOTE: You are using GNU ld(1). GNU ld(1) might not build Perl. If you
268have trouble, you can use /usr/ccs/bin/ld by including -B/usr/ccs/bin/
bd89102f 269in your ${cc:-cc} command. (Note that the trailing "/" is required.)
8e07c86e 270
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271I will try to use GNU ld by passing in the -Wl,-E flag, but if that
272doesn't work, you should use -B/usr/ccs/bin/ instead.
273
8e07c86e 274END
e766ed8d 275 ccdlflags="$ccdlflags -Wl,-E"
74144837 276 lddlflags="$lddlflags -Wl,-E -G"
e766ed8d 277 fi
1acf53c5 278 fi
8e07c86e 279
1acf53c5 280else
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281 #
282 # Not using gcc.
283 #
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284 cat > try.c << 'EOM'
285#include <stdio.h>
286int main() {
287#ifdef __SUNPRO_C
288 printf("workshop\n");
289#else
290 printf("\n");
291#endif
292return(0);
293}
73ad924b 294EOM
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295 tryworkshopcc="${cc:-cc} try.c -o try"
296 if $tryworkshopcc >/dev/null 2>&1; then
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297 cc_name=`./try`
298 if test "$cc_name" = "workshop"; then
299 ccversion="`${cc:-cc} -V 2>&1|sed -n -e '1s/^cc: //p'`"
300 if test ! "$use64bitall_done"; then
301 loclibpth="/usr/lib /usr/ccs/lib `$getworkshoplibs` $loclibpth"
302 fi
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303 fi
304 fi
73ad924b 305
e766ed8d 306 # See if as(1) is GNU as(1). GNU might not work for this job.
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307 case `as --version < /dev/null 2>&1` in
308 *GNU*)
68dc0745 309 cat <<END >&2
8e07c86e 310
e766ed8d 311NOTE: You are using GNU as(1). GNU as(1) might not build Perl.
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312You must arrange to use /usr/ccs/bin/as, perhaps by adding /usr/ccs/bin
313to the beginning of your PATH.
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314
315END
316 ;;
317 esac
318
e766ed8d 319 # See if ld(1) is GNU ld(1). GNU ld(1) might not work for this job.
91d1e749
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320 # ld --version doesn't properly report itself as a GNU tool,
321 # as of ld version 2.6, so we need to be more strict. TWP 9/5/96
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322 # Sun's ld always emits the "Software Generation Utilities" string.
323 if ld -V 2>&1 | grep "ld: Software Generation Utilities" >/dev/null 2>&1; then
324 # Ok, ld is /usr/ccs/bin/ld.
325 :
91d1e749 326 else
604c6cff 327 cat <<END >&2
8e07c86e 328
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329NOTE: You are apparently using GNU ld(1). GNU ld(1) might not build Perl.
330You should arrange to use /usr/ccs/bin/ld, perhaps by adding /usr/ccs/bin
bd89102f 331to the beginning of your PATH.
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332
333END
91d1e749 334 fi
1acf53c5 335fi
6bdd71ef
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336
337# Check to see if the selected compiler and linker
338# support the -z ignore, -z lazyload and -z combreloc flags.
339echo "int main() { return(0); } " > try.c
340 zflgs=''
341for zf in ignore lazyload combreloc; do
342 if ${cc:-cc} -o try try.c -z $zf > /dev/null 2>&1; then
343 zflgs="$zflgs -z $zf"
344 fi
345done
346if test -n "$zflgs"; then
347 ccdlflags="$ccdlflags $zflgs"
348 lddlflags="$lddlflags -G $zflgs"
349fi
350
8e07c86e 351# as --version or ld --version might dump core.
55954f19 352rm -f try try.c core
73ad924b 353EOCBU
693762b4 354
de6124c8 355cat > UU/usethreads.cbu <<'EOCBU'
73ad924b 356# This script UU/usethreads.cbu will get 'called-back' by Configure
104d25b7 357# after it has prompted the user for whether to use threads.
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358case "$usethreads" in
359$define|true|[yY]*)
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360 ccflags="-D_REENTRANT $ccflags"
361
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362 sched_yield='yield'
363 set `echo X "$libswanted "| sed -e "s/ c / pthread c /"`
104d25b7
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364 shift
365 libswanted="$*"
366
367 # On Solaris 2.6 x86 there is a bug with sigsetjmp() and siglongjmp()
368 # when linked with the threads library, such that whatever positive
369 # value you pass to siglongjmp(), sigsetjmp() returns 1.
370 # Thanks to Simon Parsons <S.Parsons@ftel.co.uk> for this report.
371 # Sun BugID is 4117946, "sigsetjmp always returns 1 when called by
372 # siglongjmp in a MT program". As of 19980622, there is no patch
373 # available.
374 cat >try.c <<'EOM'
375 /* Test for sig(set|long)jmp bug. */
376 #include <setjmp.h>
73ad924b 377
55954f19 378 int main()
104d25b7
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379 {
380 sigjmp_buf env;
381 int ret;
73ad924b 382
104d25b7
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383 ret = sigsetjmp(env, 1);
384 if (ret) { return ret == 2; }
385 siglongjmp(env, 2);
386 }
387EOM
7bd161a1 388 if test "`arch`" = i86pc -a `uname -r` = 5.6 && \
104d25b7
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389 ${cc:-cc} try.c -lpthread >/dev/null 2>&1 && ./a.out; then
390 d_sigsetjmp=$undef
391 cat << 'EOM' >&2
392
393You will see a *** WHOA THERE!!! *** message from Configure for
394d_sigsetjmp. Keep the recommended value. See hints/solaris_2.sh
395for more information.
396
397EOM
398 fi
673e8799
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399
400 # These prototypes should be visible since we using
401 # -D_REENTRANT, but that does not seem to work.
34073cab
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402 # It does seem to work for getnetbyaddr_r, weirdly enough,
403 # and other _r functions. (Solaris 8)
673e8799
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404
405 d_ctermid_r_proto="$define"
406 d_gethostbyaddr_r_proto="$define"
407 d_gethostbyname_r_proto="$define"
408 d_getnetbyname_r_proto="$define"
409 d_getprotobyname_r_proto="$define"
410 d_getprotobynumber_r_proto="$define"
411 d_getservbyname_r_proto="$define"
412 d_getservbyport_r_proto="$define"
413
34073cab
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414 # Ditto. (Solaris 7)
415 d_readdir_r_proto="$define"
416 d_readdir64_r_proto="$define"
d8c5b8d1
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417 d_tmpnam_r_proto="$define"
418 d_ttyname_r_proto="$define"
34073cab 419
6e4796bd 420 ;;
123f9af1 421esac
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422EOCBU
423
923fc586 424cat > UU/uselargefiles.cbu <<'EOCBU'
73ad924b 425# This script UU/uselargefiles.cbu will get 'called-back' by Configure
5fce3f1f 426# after it has prompted the user for whether to use large files.
bd9b35c9 427case "$uselargefiles" in
10cc9d2a 428''|$define|true|[yY]*)
9422c00b
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429
430# Keep these in the left margin.
45c9e83b
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431ccflags_uselargefiles="`getconf LFS_CFLAGS 2>/dev/null`"
432ldflags_uselargefiles="`getconf LFS_LDFLAGS 2>/dev/null`"
433libswanted_uselargefiles="`getconf LFS_LIBS 2>/dev/null|sed -e 's@^-l@@' -e 's@ -l@ @g`"
9422c00b 434
45c9e83b
JH
435 ccflags="$ccflags $ccflags_uselargefiles"
436 ldflags="$ldflags $ldflags_uselargefiles"
437 libswanted="$libswanted $libswanted_uselargefiles"
6f587e79 438 ;;
bd9b35c9 439esac
5fce3f1f 440EOCBU
6b8eaf93 441
2f4ff158
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442# This is truly a mess.
443case "$usemorebits" in
444"$define"|true|[yY]*)
73ad924b
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445 use64bitint="$define"
446 uselongdouble="$define"
2f4ff158
JH
447 ;;
448esac
449
73ad924b
LC
450if test `uname -p` = "sparc"; then
451 cat > UU/use64bitint.cbu <<'EOCBU'
452# This script UU/use64bitint.cbu will get 'called-back' by Configure
453# after it has prompted the user for whether to use 64 bit integers.
454case "$use64bitint" in
455"$define"|true|[yY]*)
456 case "`uname -r`" in
457 5.[0-4])
458 cat >&4 <<EOM
459Solaris `uname -r|sed -e 's/^5\./2./'` does not support 64-bit integers.
460You should upgrade to at least Solaris 2.5.
461EOM
462 exit 1
463 ;;
464 esac
465 ;;
466esac
69b29070
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467# gcc-2.8.1 on Solaris 8 with -Duse64bitint fails op/pat.t test 822
468# if we compile regexec.c with -O. Turn off optimization for that one
469# file. See hints/README.hints , especially
470# =head2 Propagating variables to config.sh, method 3.
471# A. Dougherty May 24, 2002
472case "$use64bitint" in
473"$define")
474 case "${gccversion}-${optimize}" in
475 2.8*-O*)
476 # Honor a command-line override (rather unlikely)
477 case "$regexec_cflags" in
478 '') echo "Disabling optimization on regexec.c for gcc $gccversion" >&4
479 regexec_cflags='optimize='
480 echo "regexec_cflags='optimize=\"\"'" >> config.sh
481 ;;
482 esac
483 ;;
484 esac
485 ;;
486esac
73ad924b
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487EOCBU
488
489 cat > UU/use64bitall.cbu <<'EOCBU'
490# This script UU/use64bitall.cbu will get 'called-back' by Configure
c4eb8127
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491# after it has prompted the user for whether to be maximally 64 bitty.
492case "$use64bitall-$use64bitall_done" in
493"$define-"|true-|[yY]*-)
104d25b7 494 case "`uname -r`" in
73ad924b 495 5.[0-6])
104d25b7 496 cat >&4 <<EOM
73ad924b
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497Solaris `uname -r|sed -e 's/^5\./2./'` does not support 64-bit pointers.
498You should upgrade to at least Solaris 2.7.
104d25b7
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499EOM
500 exit 1
501 ;;
502 esac
282f2f4c
JH
503 libc='/usr/lib/sparcv9/libc.so'
504 if test ! -f $libc; then
9b119d5a 505 cat >&4 <<EOM
282f2f4c
JH
506
507I do not see the 64-bit libc, $libc.
508Cannot continue, aborting.
509
510EOM
511 exit 1
e6f120fa 512 fi
6bdd71ef 513 case "${cc:-cc} -v 2>/dev/null" in
4c07fe1d 514 *gcc*)
55954f19 515 echo 'int main() { return 0; }' > try.c
9636b992 516 case "`${cc:-cc} -mcpu=v9 -m64 -S try.c 2>&1 | grep 'm64 is not supported by this configuration'`" in
517 *"m64 is not supported"*)
9b119d5a
RB
518 cat >&4 <<EOM
519
e6f120fa
JH
520Full 64-bit build is not supported by this gcc configuration.
521Check http://gcc.gnu.org/ for the latest news of availability
522of gcc for 64-bit Sparc.
523
9b119d5a
RB
524Cannot continue, aborting.
525
526EOM
527 exit 1
9636b992 528 ;;
73ad924b 529 esac
55954f19 530 loclibpth="/usr/lib/sparcv9 $loclibpth"
9b119d5a
RB
531 ccflags="$ccflags -mcpu=v9 -m64"
532 if test X`getconf XBS5_LP64_OFF64_CFLAGS 2>/dev/null` != X; then
533 ccflags="$ccflags -Wa,`getconf XBS5_LP64_OFF64_CFLAGS 2>/dev/null`"
534 fi
535 # no changes to ld flags, as (according to man ld):
536 #
537 # There is no specific option that tells ld to link 64-bit
538 # objects; the class of the first object that gets processed
539 # by ld determines whether it is to perform a 32-bit or a
540 # 64-bit link edit.
4c07fe1d
JH
541 ;;
542 *)
0d926123 543 ccflags="$ccflags `getconf XBS5_LP64_OFF64_CFLAGS 2>/dev/null`"
923fc586 544 ldflags="$ldflags `getconf XBS5_LP64_OFF64_LDFLAGS 2>/dev/null`"
0d926123 545 lddlflags="$lddlflags -G `getconf XBS5_LP64_OFF64_LDFLAGS 2>/dev/null`"
55954f19
JH
546 echo "int main() { return(0); } " > try.c
547 tryworkshopcc="${cc:-cc} try.c -o try $ccflags"
548 loclibpth="/usr/lib/sparcv9 /usr/ccs/lib/sparcv9 `$getworkshoplibs` $loclibpth"
4c07fe1d 549 ;;
73ad924b 550 esac
5ae8d7b4 551
e9a51be3 552 use64bitall_done=yes
5cfbcfcd 553 archname64=64
6f587e79
JH
554 ;;
555esac
4c07fe1d 556EOCBU
73ad924b
LC
557
558 # Actually, we want to run this already now, if so requested,
559 # because we need to fix up things right now.
560 case "$use64bitall" in
561 "$define"|true|[yY]*)
562 # CBUs expect to be run in UU
563 cd UU; . ./use64bitall.cbu; cd ..
631e9f25 564 ;;
73ad924b
LC
565 esac
566fi
b0ca24c6 567
923fc586 568cat > UU/uselongdouble.cbu <<'EOCBU'
73ad924b 569# This script UU/uselongdouble.cbu will get 'called-back' by Configure
923fc586 570# after it has prompted the user for whether to use long doubles.
e9a51be3
JH
571case "$uselongdouble" in
572"$define"|true|[yY]*)
68fed2af 573 if test "$cc_name" = "workshop"; then
55954f19
JH
574 cat > try.c << 'EOM'
575#include <sunmath.h>
576int main() { (void) powl(2, 256); return(0); }
577EOM
6bdd71ef 578 if ${cc:-cc} try.c -lsunmath -o try > /dev/null 2>&1 && ./try; then
55954f19
JH
579 libswanted="$libswanted sunmath"
580 fi
8364ae4d 581 else
73ad924b
LC
582 cat >&4 <<EOM
583
55954f19
JH
584The Sun Workshop math library is either not available or not working,
585so I do not know how to do long doubles, sorry.
586I'm therefore disabling the use of long doubles.
73ad924b
LC
587EOM
588 uselongdouble="$undef"
8364ae4d 589 fi
e9a51be3
JH
590 ;;
591esac
73ad924b 592EOCBU
e9a51be3 593
73ad924b 594rm -f try.c try.o try a.out