1# hints/aix.sh 2# 3# Split off from aix.sh on 04 Feb 2004 by H.Merijn Brand 4# 5# AIX 4.1 hints thanks to Christopher Chan-Nui <channui@austin.ibm.com>. 6# AIX 4.1 pthreading by Christopher Chan-Nui <channui@austin.ibm.com> and 7# Jarkko Hietaniemi <jhi@iki.fi>. 8# AIX 4.3.x LP64 build by Steven Hirsch <hirschs@btv.ibm.com> 9# Merged on Mon Feb 6 10:22:35 EST 1995 by 10# Andy Dougherty <doughera@lafayette.edu> 11 12# Contact dfavor@corridor.com for any of the following: 13# 14# - AIX 43x and above support 15# - gcc + threads support 16# - socks support 17# 18# Apr 99 changes: 19# 20# - use nm in AIX 43x and above 21# - gcc + threads now builds 22# [(added support for socks) Jul 99 SOCKS support rewritten] 23# 24# Notes: 25# 26# - shared libperl support is tricky. if ever libperl.a ends up 27# in /usr/local/lib/* it can override any subsequent builds of 28# that same perl release. to make sure you know where the shared 29# libperl.a is coming from do a 'dump -Hv perl' and check all the 30# library search paths in the loader header. 31# 32# it would be nice to warn the user if a libperl.a exists that is 33# going to override the current build, but that would be complex. 34# 35# better yet, a solid fix for this situation should be developed. 36# 37 38# Configure finds setrgid and setruid, but they're useless. The man 39# pages state: 40# setrgid: The EPERM error code is always returned. 41# setruid: The EPERM error code is always returned. Processes cannot 42# reset only their real user IDs. 43d_setrgid='undef' 44d_setruid='undef' 45 46alignbytes=8 47 48case "$usemymalloc" in 49 '') usemymalloc='n' ;; 50 esac 51 52# Intuiting the existence of system calls under AIX is difficult, 53# at best; the safest technique is to find them empirically. 54 55# AIX 4.3.* and above default to letting Configure test if nm 56# extraction will work. 57case "$osvers" in 58 4.1.*|4.2.*) 59 case "$usenm" in 60 '') usenm='undef' ;; 61 esac 62 case "$usenativedlopen" in 63 '') usenativedlopen='false' ;; 64 esac 65 ;; 66 *) 67 case "$usenativedlopen" in 68 '') usenativedlopen='true' ;; 69 esac 70 ;; 71 esac 72 73so="a" 74# AIX itself uses .o (libc.o) but we prefer compatibility 75# with the rest of the world and with rest of the scripting 76# languages (Tcl, Python) and related systems (SWIG). 77# Stephanie Beals <bealzy@us.ibm.com> 78dlext="so" 79 80# Take possible hint from the environment. If 32-bit is set in the 81# environment, we can override it later. If set for 64, the 82# 'sizeof' test sees a native 64-bit architecture and never looks back. 83case "$OBJECT_MODE" in 84 32) 85 cat >&4 <<EOF 86 87You have OBJECT_MODE=32 set in the environment. 88I take this as a hint you do not want to 89build for a 64-bit address space. You will be 90given the opportunity to change this later. 91EOF 92 ;; 93 64) 94 cat >&4 <<EOF 95 96You have OBJECT_MODE=64 set in the environment. 97This forces a full 64-bit build. If that is 98not what you intended, please terminate this 99program, unset it and restart. 100EOF 101 ;; 102 *) ;; 103 esac 104 105# uname -m output is too specific and not appropriate here 106case "$archname" in 107 '') archname="$osname" ;; 108 esac 109 110cc=${cc:-cc} 111ccflags="$ccflags -D_ALL_SOURCE -D_ANSI_C_SOURCE -D_POSIX_SOURCE" 112case "$cc" in 113 *gcc*) ;; 114 *) ccflags="$ccflags -qmaxmem=-1 -qnoansialias" ;; 115 esac 116nm_opt='-B' 117 118# These functions don't work like Perl expects them to. 119d_setregid='undef' 120d_setreuid='undef' 121 122# Changes for dynamic linking by Wayne Scott <wscott@ichips.intel.com> 123# 124# Tell perl which symbols to export for dynamic linking. 125cccdlflags='none' # All AIX code is position independent 126 cc_type=xlc # do not export to config.sh 127case "$cc" in 128 *gcc*) 129 cc_type=gcc 130 ccdlflags='-Xlinker' 131 if [ "X$gccversion" = "X" ]; then 132 # Done too late in Configure if hinted 133 gccversion=`$cc --version | sed 's/.*(GCC) *//'` 134 fi 135 ;; 136 137 *) ccversion=`lslpp -L | grep 'C for AIX Compiler$' | grep -v '\.msg\.[A-Za-z_]*\.' | head -1 | awk '{print $1,$2}'` 138 case "$ccversion" in 139 '') ccversion=`lslpp -L | grep 'IBM C and C++ Compilers LUM$'` 140 ;; 141 142 *.*.*.*.*.*.*) # Ahhrgg, more than one C compiler installed 143 first_cc_path=`which ${cc:-cc}` 144 case "$first_cc_path" in 145 *vac*) 146 cc_type=vac ;; 147 /usr/bin/cc) # Check the symlink 148 if [ -h $first_cc_path ] ; then 149 ls -l $first_cc_path > reflect 150 if grep -i vac reflect >/dev/null 2>&1 ; then 151 cc_type=vac 152 fi 153 rm -f reflect 154 fi 155 ;; 156 esac 157 ccversion=`lslpp -L | grep 'C for AIX Compiler$' | grep -i $cc_type | head -1` 158 ;; 159 160 vac*.*.*.*) 161 cc_type=vac 162 ;; 163 esac 164 ccversion=`echo "$ccversion" | awk '{print $2}'` 165 166 case "$ccversion" in 167 3.6.6.0) 168 optimize='none' 169 ;; 170 171 4.4.0.0|4.4.0.1|4.4.0.2) 172 cat >&4 <<EOF 173*** 174*** This C compiler ($ccversion) is outdated. 175*** 176*** Please upgrade to at least 4.4.0.3. 177*** 178EOF 179 ;; 180 181 5.0.0.0) 182 cat >&4 <<EOF 183*** 184*** This C compiler ($ccversion) is known to have too many optimizer 185*** bugs to compile a working Perl. 186*** 187*** Consider upgrading your C compiler, or getting the GNU cc (gcc). 188*** 189*** Cannot continue, aborting. 190EOF 191 exit 1 192 ;; 193 194 5.0.1.0) 195 cat >&4 <<EOF 196*** 197*** This C compiler ($ccversion) is known to have optimizer problems 198*** when compiling regcomp.c. 199*** 200*** Disabling optimization for that file but consider upgrading 201*** your C compiler. 202*** 203EOF 204regcomp_cflags='optimize=' 205 ;; 206 esac 207 case "$ccversion" in 208 5*) usemallocwrap='n' ;; # causes panic in miniperl 209 esac 210 esac 211# the required -bE:$installarchlib/CORE/perl.exp is added by 212# libperl.U (Configure) later. 213 214# The first 3 options would not be needed if dynamic libs. could be linked 215# with the compiler instead of ld. 216# -bI:$(PERL_INC)/perl.exp Read the exported symbols from the perl binary 217# -bE:$(BASEEXT).exp Export these symbols. This file contains only one 218# symbol: boot_$(EXP) can it be auto-generated? 219if test $usenativedlopen = 'true' ; then 220 lddlflags="$lddlflags -bhalt:4 -bexpall -G -bnoentry -lc" 221else 222 lddlflags="$lddlflags -bhalt:4 -bM:SRE -bI:\$(PERL_INC)/perl.exp -bE:\$(BASEEXT).exp -bnoentry -lc" 223 fi 224 225case "$use64bitall" in 226 $define|true|[yY]*) use64bitint="$define" ;; 227 esac 228 229case "$usemorebits" in 230 $define|true|[yY]*) use64bitint="$define"; uselongdouble="$define" ;; 231 esac 232 233case $cc_type in 234 vac|xlc) 235 case "$uselongdouble" in 236 $define|true|[yY]*) 237 ccflags="$ccflags -qlongdouble" 238 libswanted="c128 $libswanted" 239 lddlflags=`echo "$lddlflags " | sed -e 's/ -lc / -lc128 -lc /'` 240 ;; 241 esac 242 esac 243 244case "$cc" in 245 *gcc*) ;; 246 cc*|xlc*) # cc should've been set by line 116 or so if empty. 247 if test ! -x /usr/bin/$cc -a -x /usr/vac/bin/$cc; then 248 case ":$PATH:" in 249 *:/usr/vac/bin:*) ;; 250 *) if test ! -x /QOpenSys/usr/bin/$cc; then 251 # The /QOpenSys/usr/bin/$cc saves us if we are 252 # building natively in OS/400 PASE. 253 cat >&4 <<EOF 254 255*** 256*** You either implicitly or explicitly specified an IBM C compiler, 257*** but you do not seem to have one in /usr/bin, but you seem to have 258*** the VAC installed in /usr/vac, but you do not have the /usr/vac/bin 259*** in your PATH. I suggest adding that and retrying Configure. 260*** 261EOF 262 exit 1 263 fi 264 ;; 265 esac 266 fi 267 ;; 268 esac 269 270case "$ldlibpthname" in 271 '') ldlibpthname=LIBPATH ;; 272 esac 273 274# AIX 4.2 (using latest patchlevels on 20001130) has a broken bind 275# library (getprotobyname and getprotobynumber are outversioned by 276# the same calls in libc, at least for xlc version 3... 277case "`oslevel`" in 278 4.2.1.*) 279 case "$ccversion" in # Don't know if needed for gcc 280 3.1.4.*|5.0.2.*) # libswanted "bind ... c ..." => "... c bind ..." 281 set `echo X "$libswanted "| sed -e 's/ bind\( .*\) \([cC]\) / \1 \2 bind /'` 282 shift 283 libswanted="$*" 284 ;; 285 esac 286 ;; 287 esac 288 289# This script UU/usethreads.cbu will get 'called-back' by Configure 290# after it has prompted the user for whether to use threads. 291cat > UU/usethreads.cbu <<'EOCBU' 292case "$usethreads" in 293 $define|true|[yY]*) 294 d_drand48_r='undef' 295 d_endgrent_r='undef' 296 d_endpwent_r='undef' 297 d_getgrent_r='undef' 298 d_getpwent_r='undef' 299 d_random_r='undef' 300 d_setgrent_r='undef' 301 d_setpwent_r='undef' 302 d_srand48_r='undef' 303 d_strerror_r='undef' 304 305 ccflags="$ccflags -DNEED_PTHREAD_INIT" 306 case "$cc" in 307 *gcc*) 308 ccflags="-D_THREAD_SAFE $ccflags" 309 ;; 310 cc_r) ;; 311 cc|xl[cC]|xl[cC]_r) 312 echo >&4 "Switching cc to cc_r because of POSIX threads." 313 # xlc_r has been known to produce buggy code in AIX 4.3.2. 314 # (e.g. pragma/overload core dumps) Let's suspect xlC_r, too. 315 # --jhi@iki.fi 316 cc=cc_r 317 318 case "`oslevel`" in 319 4.2.1.*) i_crypt='undef' ;; 320 esac 321 ;; 322 '') 323 cc=cc_r 324 ;; 325 *) 326 cat >&4 <<EOM 327*** For pthreads you should use the AIX C compiler cc_r. 328*** (now your compiler was set to '$cc') 329*** Cannot continue, aborting. 330EOM 331 exit 1 332 ;; 333 esac 334 335 # c_rify libswanted. 336 set `echo X "$libswanted "| sed -e 's/ \([cC]\) / \1_r /g'` 337 shift 338 libswanted="$*" 339 # c_rify lddlflags. 340 set `echo X "$lddlflags "| sed -e 's/ \(-l[cC]\) / \1_r /g'` 341 shift 342 lddlflags="$*" 343 344 # Insert pthreads to libswanted, before any libc or libC. 345 set `echo X "$libswanted "| sed -e 's/ \([cC]_r\) / pthreads \1 /'` 346 shift 347 libswanted="$*" 348 # Insert pthreads to lddlflags, before any libc or libC. 349 set `echo X "$lddlflags " | sed -e 's/ \(-l[cC]_r\) / -lpthreads \1 /'` 350 shift 351 lddlflags="$*" 352 ;; 353 esac 354EOCBU 355 356# This script UU/uselargefiles.cbu will get 'called-back' by Configure 357# after it has prompted the user for whether to use large files. 358cat > UU/uselargefiles.cbu <<'EOCBU' 359case "$uselargefiles" in 360 ''|$define|true|[yY]*) 361 # Configure should take care of use64bitint and use64bitall being 362 # defined before uselargefiles.cbu is consulted. 363 if test X"$use64bitint:$quadtype" = X"$define:long" -o X"$use64bitall" = Xdefine; then 364# Keep these at the left margin. 365ccflags_uselargefiles="`getconf XBS5_LP64_OFF64_CFLAGS 2>/dev/null`" 366ldflags_uselargefiles="`getconf XBS5_LP64_OFF64_LDFLAGS 2>/dev/null`" 367 else 368# Keep these at the left margin. 369ccflags_uselargefiles="`getconf XBS5_ILP32_OFFBIG_CFLAGS 2>/dev/null`" 370ldflags_uselargefiles="`getconf XBS5_ILP32_OFFBIG_LDFLAGS 2>/dev/null`" 371 fi 372 373 # _Somehow_ in AIX 4.3.1.0 the above getconf call manages to 374 # insert(?) *something* to $ldflags so that later (in Configure) evaluating 375 # $ldflags causes a newline after the '-b64' (the result of the getconf). 376 # (nothing strange shows up in $ldflags even in hexdump; 377 # so it may be something (a bug) in the shell, instead?) 378 # Try it out: just uncomment the below line and rerun Configure: 379# echo >&4 "AIX 4.3.1.0 $ldflags_uselargefiles mystery" ; exit 1 380 # Just don't ask me how AIX does it, I spent hours wondering. 381 # Therefore the line re-evaluating ldflags_uselargefiles: it seems to fix 382 # the whatever it was that AIX managed to break. --jhi 383 ldflags_uselargefiles="`echo $ldflags_uselargefiles`" 384 if test X"$use64bitint:$quadtype" = X"$define:long" -o X"$use64bitall" = Xdefine; then 385# Keep this at the left margin. 386libswanted_uselargefiles="`getconf XBS5_LP64_OFF64_LIBS 2>/dev/null|sed -e 's@^-l@@' -e 's@ -l@ @g`" 387 else 388# Keep this at the left margin. 389libswanted_uselargefiles="`getconf XBS5_ILP32_OFFBIG_LIBS 2>/dev/null|sed -e 's@^-l@@' -e 's@ -l@ @g`" 390 fi 391 392 case "$ccflags_uselargefiles$ldflags_uselargefiles$libs_uselargefiles" in 393 '') ;; 394 *) ccflags="$ccflags $ccflags_uselargefiles" 395 ldflags="$ldflags $ldflags_uselargefiles" 396 libswanted="$libswanted $libswanted_uselargefiles" 397 ;; 398 esac 399 400 case "$gccversion" in 401 '') ;; 402 *) # Remove xlc-specific -qflags. 403 ccflags="`echo $ccflags | sed -e 's@ -q[^ ]*@ @g' -e 's@^-q[^ ]* @@g'`" 404 ldflags="`echo $ldflags | sed -e 's@ -q[^ ]*@ @g' -e 's@^-q[^ ]* @@g'`" 405 # Move xlc-specific -bflags. 406 ccflags="`echo $ccflags | sed -e 's@ -b@ -Wl,-b@g'`" 407 ldflags="`echo ' '$ldflags | sed -e 's@ -b@ -Wl,-b@g'`" 408 lddlflags="`echo ' '$lddlflags | sed -e 's@ -b@ -Wl,-b@g'`" 409 lddlflags="`echo ' '$lddlflags | sed -e 's@ -G @ -Wl,-G @g'`" 410 ld='gcc' 411 echo >&4 "(using ccflags $ccflags)" 412 echo >&4 "(using ldflags $ldflags)" 413 echo >&4 "(using lddlflags $lddlflags)" 414 ;; 415 esac 416 ;; 417 esac 418EOCBU 419 420# This script UU/use64bitint.cbu will get 'called-back' by Configure 421# after it has prompted the user for whether to use 64 bit integers. 422cat > UU/use64bitint.cbu <<'EOCBU' 423case "$use64bitint" in 424 $define|true|[yY]*) 425 case "`oslevel`" in 426 4.[012].*) 427 cat >&4 <<EOM 428AIX `oslevel` does not support 64-bit interfaces. 429You should upgrade to at least AIX 4.3. 430EOM 431 exit 1 432 ;; 433 esac 434 ;; 435 esac 436EOCBU 437 438cat > UU/use64bitall.cbu <<'EOCBU' 439# This script UU/use64bitall.cbu will get 'called-back' by Configure 440# after it has prompted the user for whether to be maximally 64-bitty. 441case "$use64bitall" in 442 $define|true|[yY]*) 443 case "`oslevel`" in 444 4.[012].*) 445 cat >&4 <<EOM 446AIX `oslevel` does not support 64-bit interfaces. 447You should upgrade to at least AIX 4.3. 448EOM 449 exit 1 450 ;; 451 esac 452 echo " " 453 echo "Checking the CPU width of your hardware..." >&4 454 $cat >size.c <<EOCP 455#include <stdio.h> 456#include <sys/systemcfg.h> 457int main (void) 458{ 459 printf ("%d\n", _system_configuration.width); 460 return (0); 461 } 462EOCP 463 set size 464 if eval $compile_ok; then 465 qacpuwidth=`./size` 466 echo "You are running on $qacpuwidth bit hardware." 467 else 468 dflt="32" 469 echo " " 470 echo "(I can't seem to compile the test program. Guessing...)" 471 rp="What is the width of your CPU (in bits)?" 472 . ./myread 473 qacpuwidth="$ans" 474 fi 475 $rm -f size.c size 476 case "$qacpuwidth" in 477 32*) 478 cat >&4 <<EOM 479Bzzzt! At present, you can only perform a 480full 64-bit build on a 64-bit machine. 481EOM 482 exit 1 483 ;; 484 esac 485 486 qacflags="`getconf XBS5_LP64_OFF64_CFLAGS 2>/dev/null`" 487 qaldflags="`getconf XBS5_LP64_OFF64_LDFLAGS 2>/dev/null`" 488 # See jhi's comments above regarding this re-eval. I've 489 # seen similar weirdness in the form of: 490 # 491 # 1506-173 (W) Option lm is not valid. Enter xlc for list of valid options. 492 # 493 # error messages from 'cc -E' invocation. Again, the offending 494 # string is simply not detectable by any means. Since it doesn't 495 # do any harm, I didn't pursue it. -- sh 496 qaldflags="`echo $qaldflags`" 497 qalibs="`getconf XBS5_LP64_OFF64_LIBS 2>/dev/null|sed -e 's@^-l@@' -e 's@ -l@ @g`" 498 # -q32 and -b32 may have been set by uselargefiles or user. 499 # Remove them. 500 ccflags="`echo $ccflags | sed -e 's@-q32@@'`" 501 ldflags="`echo $ldflags | sed -e 's@-b32@@'`" 502 # Tell archiver to use large format. Unless we remove 'ar' 503 # from 'trylist', the Configure script will just reset it to 'ar' 504 # immediately prior to writing config.sh. This took me hours 505 # to figure out. 506 trylist="`echo $trylist | sed -e 's@^ar @@' -e 's@ ar @ @g' -e 's@ ar$@@'`" 507 ar="ar -X64" 508 nm_opt="-X64 $nm_opt" 509 # Note: Placing the 'qacflags' variable into the 'ldflags' string 510 # is NOT a typo. ldflags is passed to the C compiler for final 511 # linking, and it wants -q64 (-b64 is for ld only!). 512 case "$qacflags$qaldflags$qalibs" in 513 '') ;; 514 *) ccflags="$ccflags $qacflags" 515 ldflags="$ldflags $qacflags" 516 lddlflags="$qaldflags $lddlflags" 517 libswanted="$libswanted $qalibs" 518 ;; 519 esac 520 case "$ccflags" in 521 *-DUSE_64_BIT_ALL*) ;; 522 *) ccflags="$ccflags -DUSE_64_BIT_ALL";; 523 esac 524 case "$archname64" in 525 ''|64*) archname64=64all ;; 526 esac 527 longsize="8" 528 qacflags='' 529 qaldflags='' 530 qalibs='' 531 qacpuwidth='' 532 ;; 533 esac 534EOCBU 535 536if test $usenativedlopen = 'true' ; then 537 ccflags="$ccflags -DUSE_NATIVE_DLOPEN" 538 case "$cc" in 539 *gcc*) ldflags="$ldflags -Wl,-brtl" ;; 540 *) ldflags="$ldflags -brtl" ;; 541 esac 542else 543 case `oslevel` in 544 4.2.*) ;; # libC_r has broke gettimeofday 545 *) # If the C++ libraries, libC and libC_r, are available we will 546 # prefer them over the vanilla libc, because the libC contain 547 # loadAndInit() and terminateAndUnload() which work correctly 548 # with C++ statics while libc load() and unload() do not. See 549 # ext/DynaLoader/dl_aix.xs. The C-to-C_r switch is done by 550 # usethreads.cbu, if needed. 551 if test -f /lib/libC.a -a X"`$cc -v 2>&1 | grep gcc`" = X; then 552 # Cify libswanted. 553 set `echo X "$libswanted "| sed -e 's/ c / C c /'` 554 shift 555 libswanted="$*" 556 # Cify lddlflags. 557 set `echo X "$lddlflags "| sed -e 's/ -lc / -lC -lc /'` 558 shift 559 lddlflags="$*" 560 fi 561 esac 562 fi 563 564case "$PASE" in 565 define) 566 case "$prefix" in 567 '') prefix=/QOpenSys/perl ;; 568 esac 569 cat >&4 <<EOF 570 571*** 572*** You seem to be compiling in AIX for the OS/400 PASE environment. 573*** I'm not going to use the AIX bind, nsl, and possible util libraries, then. 574*** I'm also not going to install perl as /usr/bin/perl. 575*** Perl will be installed under $prefix. 576*** For instructions how to install this build from AIX to PASE, 577*** see the file README.os400. Accept the "aix" for the question 578*** about "Operating system name". 579*** 580EOF 581 set `echo " $libswanted " | sed -e 's@ bind @ @' -e 's@ nsl @ @' -e 's@ util @ @'` 582 shift 583 libswanted="$*" 584 installusrbinperl="$undef" 585 586 # V5R1 doesn't have this (V5R2 does), without knowing 587 # which one we have it's safer to be pessimistic. 588 # Cwd will work fine even without fchdir(), but if 589 # V5R1 tries to use code compiled assuming fchdir(), 590 # lots of grief will issue forth from Cwd. 591 case "$d_fchdir" in 592 '') d_fchdir="$undef" ;; 593 esac 594 ;; 595 esac 596 597# EOF 598