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 116 117# since change #28654, _XOPEN_SOURCE symbol needs to be defined on aix 4.2 118# to avoid the following build error in perlio.c : 119# 1506-294 (S) Syntax error in expression on #if directive. 120# 121case "$osvers" in 122 4.2.1.0) 123 ccflags="$ccflags -D_XOPEN_SOURCE" 124 # aix 4.2 does not have IPv6 support 125 d_inetpton='undef' 126 d_inetntop='undef' 127 ;; 128 esac 129nm_opt='-B' 130 131# These functions don't work like Perl expects them to. 132d_setregid='undef' 133d_setreuid='undef' 134 135# Changes for dynamic linking by Wayne Scott <wscott@ichips.intel.com> 136# 137# Tell perl which symbols to export for dynamic linking. 138cccdlflags='none' # All AIX code is position independent 139 cc_type=xlc # do not export to config.sh 140case "$cc" in 141 *gcc*) 142 cc_type=gcc 143 ccdlflags='-Xlinker' 144 if [ "X$gccversion" = "X" ]; then 145 # Done too late in Configure if hinted 146 gccversion=`$cc -dumpversion` 147 fi 148 ;; 149 150 *) ccversion=`lslpp -L | grep 'C for AIX Compiler$' | grep -v '\.msg\.[A-Za-z_]*\.' | head -1 | awk '{print $1,$2}'` 151 case "$ccversion" in 152 '') ccversion=`lslpp -L | grep 'IBM C and C++ Compilers LUM$'` 153 ;; 154 155 *.*.*.*.*.*.*) # Ahhrgg, more than one C compiler installed 156 first_cc_path=`which ${cc:-cc}` 157 case "$first_cc_path" in 158 *vac*) 159 cc_type=vac ;; 160 /usr/bin/cc) # Check the symlink 161 if [ -h $first_cc_path ] ; then 162 ls -l $first_cc_path > reflect 163 if grep -i vac reflect >/dev/null 2>&1 ; then 164 cc_type=vac 165 fi 166 rm -f reflect 167 fi 168 ;; 169 esac 170 ccversion=`lslpp -L | grep 'C for AIX Compiler$' | grep -i $cc_type | head -1` 171 ;; 172 173 vac*.*.*.*) 174 cc_type=vac 175 ;; 176 esac 177 ccversion=`echo "$ccversion" | awk '{print $2}'` 178 179 case "$ccversion" in 180 3.6.6.0) 181 optimize='none' 182 ;; 183 184 4.4.0.0|4.4.0.1|4.4.0.2) 185 cat >&4 <<EOF 186*** 187*** This C compiler ($ccversion) is outdated. 188*** 189*** Please upgrade to at least 4.4.0.3. 190*** 191EOF 192 ;; 193 194 5.0.0.0) 195 cat >&4 <<EOF 196*** 197*** This C compiler ($ccversion) is known to have too many optimizer 198*** bugs to compile a working Perl. 199*** 200*** Consider upgrading your C compiler, or getting the GNU cc (gcc). 201*** 202*** Cannot continue, aborting. 203EOF 204 exit 1 205 ;; 206 207 5.0.1.0) 208 cat >&4 <<EOF 209*** 210*** This C compiler ($ccversion) is known to have optimizer problems 211*** when compiling regcomp.c. 212*** 213*** Disabling optimization for that file but consider upgrading 214*** your C compiler. 215*** 216EOF 217regcomp_cflags='optimize=' 218 ;; 219 esac 220 case "$ccversion" in 221 5*) usemallocwrap='n' ;; # causes panic in miniperl 222 esac 223 esac 224# the required -bE:$installarchlib/CORE/perl.exp is added by 225# libperl.U (Configure) later. 226 227# The first 3 options would not be needed if dynamic libs. could be linked 228# with the compiler instead of ld. 229# -bI:$(PERL_INC)/perl.exp Read the exported symbols from the perl binary 230# -bE:$(BASEEXT).exp Export these symbols. This file contains only one 231# symbol: boot_$(EXP) can it be auto-generated? 232if test $usenativedlopen = 'true' ; then 233 lddlflags="$lddlflags -bhalt:4 -bexpall -G -bnoentry -lc" 234else 235 lddlflags="$lddlflags -bhalt:4 -bM:SRE -bI:\$(PERL_INC)/perl.exp -bE:\$(BASEEXT).exp -bnoentry -lc" 236 fi 237 238case "$use64bitall" in 239 $define|true|[yY]*) use64bitint="$define" ;; 240 esac 241 242case "$usemorebits" in 243 $define|true|[yY]*) use64bitint="$define"; uselongdouble="$define" ;; 244 esac 245 246case $cc_type in 247 vac|xlc) 248 case "$uselongdouble" in 249 $define|true|[yY]*) 250 ccflags="$ccflags -qlongdouble" 251 libswanted="c128 $libswanted" 252 lddlflags=`echo "$lddlflags " | sed -e 's/ -lc / -lc128 -lc /'` 253 ;; 254 esac 255 esac 256 257case "$cc" in 258 *gcc*) ;; 259 cc*|xlc*) # cc should've been set by line 116 or so if empty. 260 if test ! -x /usr/bin/$cc -a -x /usr/vac/bin/$cc; then 261 case ":$PATH:" in 262 *:/usr/vac/bin:*) ;; 263 *) if test ! -x /QOpenSys/usr/bin/$cc; then 264 # The /QOpenSys/usr/bin/$cc saves us if we are 265 # building natively in OS/400 PASE. 266 cat >&4 <<EOF 267 268*** 269*** You either implicitly or explicitly specified an IBM C compiler, 270*** but you do not seem to have one in /usr/bin, but you seem to have 271*** the VAC installed in /usr/vac, but you do not have the /usr/vac/bin 272*** in your PATH. I suggest adding that and retrying Configure. 273*** 274EOF 275 exit 1 276 fi 277 ;; 278 esac 279 fi 280 ;; 281 esac 282 283case "$ldlibpthname" in 284 '') ldlibpthname=LIBPATH ;; 285 esac 286 287# AIX 4.2 (using latest patchlevels on 20001130) has a broken bind 288# library (getprotobyname and getprotobynumber are outversioned by 289# the same calls in libc, at least for xlc version 3... 290case "`oslevel`" in 291 4.2.1.*) 292 case "$ccversion" in # Don't know if needed for gcc 293 3.1.4.*|5.0.2.*) # libswanted "bind ... c ..." => "... c bind ..." 294 set `echo X "$libswanted "| sed -e 's/ bind\( .*\) \([cC]\) / \1 \2 bind /'` 295 shift 296 libswanted="$*" 297 ;; 298 esac 299 ;; 300 esac 301 302# This script UU/usethreads.cbu will get 'called-back' by Configure 303# after it has prompted the user for whether to use threads. 304cat > UU/usethreads.cbu <<'EOCBU' 305case "$usethreads" in 306 $define|true|[yY]*) 307 d_drand48_r='undef' 308 d_endgrent_r='undef' 309 d_endpwent_r='undef' 310 d_getgrent_r='undef' 311 d_getpwent_r='undef' 312 d_random_r='undef' 313 d_setgrent_r='undef' 314 d_setpwent_r='undef' 315 d_srand48_r='undef' 316 d_strerror_r='undef' 317 318 ccflags="$ccflags -DNEED_PTHREAD_INIT" 319 case "$cc" in 320 *gcc*) 321 ccflags="-D_THREAD_SAFE $ccflags" 322 ;; 323 cc_r) ;; 324 cc|xl[cC]|xl[cC]_r) 325 echo >&4 "Switching cc to cc_r because of POSIX threads." 326 # xlc_r has been known to produce buggy code in AIX 4.3.2. 327 # (e.g. pragma/overload core dumps) Let's suspect xlC_r, too. 328 # --jhi@iki.fi 329 cc=cc_r 330 331 case "`oslevel`" in 332 4.2.1.*) i_crypt='undef' ;; 333 esac 334 ;; 335 '') 336 cc=cc_r 337 ;; 338 *) 339 cat >&4 <<EOM 340*** For pthreads you should use the AIX C compiler cc_r. 341*** (now your compiler was set to '$cc') 342*** Cannot continue, aborting. 343EOM 344 exit 1 345 ;; 346 esac 347 348 # c_rify libswanted. 349 set `echo X "$libswanted "| sed -e 's/ \([cC]\) / \1_r /g'` 350 shift 351 libswanted="$*" 352 # c_rify lddlflags. 353 set `echo X "$lddlflags "| sed -e 's/ \(-l[cC]\) / \1_r /g'` 354 shift 355 lddlflags="$*" 356 357 # Insert pthreads to libswanted, before any libc or libC. 358 set `echo X "$libswanted "| sed -e 's/ \([cC]_r\) / pthreads \1 /'` 359 shift 360 libswanted="$*" 361 # Insert pthreads to lddlflags, before any libc or libC. 362 set `echo X "$lddlflags " | sed -e 's/ \(-l[cC]_r\) / -lpthreads \1 /'` 363 shift 364 lddlflags="$*" 365 ;; 366 esac 367EOCBU 368 369# This script UU/uselargefiles.cbu will get 'called-back' by Configure 370# after it has prompted the user for whether to use large files. 371cat > UU/uselargefiles.cbu <<'EOCBU' 372case "$uselargefiles" in 373 ''|$define|true|[yY]*) 374 # Configure should take care of use64bitint and use64bitall being 375 # defined before uselargefiles.cbu is consulted. 376 if test X"$use64bitint:$quadtype" = X"$define:long" -o X"$use64bitall" = Xdefine; then 377# Keep these at the left margin. 378ccflags_uselargefiles="`getconf XBS5_LP64_OFF64_CFLAGS 2>/dev/null`" 379ldflags_uselargefiles="`getconf XBS5_LP64_OFF64_LDFLAGS 2>/dev/null`" 380 else 381# Keep these at the left margin. 382ccflags_uselargefiles="`getconf XBS5_ILP32_OFFBIG_CFLAGS 2>/dev/null`" 383ldflags_uselargefiles="`getconf XBS5_ILP32_OFFBIG_LDFLAGS 2>/dev/null`" 384 fi 385 386 # _Somehow_ in AIX 4.3.1.0 the above getconf call manages to 387 # insert(?) *something* to $ldflags so that later (in Configure) evaluating 388 # $ldflags causes a newline after the '-b64' (the result of the getconf). 389 # (nothing strange shows up in $ldflags even in hexdump; 390 # so it may be something (a bug) in the shell, instead?) 391 # Try it out: just uncomment the below line and rerun Configure: 392# echo >&4 "AIX 4.3.1.0 $ldflags_uselargefiles mystery" ; exit 1 393 # Just don't ask me how AIX does it, I spent hours wondering. 394 # Therefore the line re-evaluating ldflags_uselargefiles: it seems to fix 395 # the whatever it was that AIX managed to break. --jhi 396 ldflags_uselargefiles="`echo $ldflags_uselargefiles`" 397 if test X"$use64bitint:$quadtype" = X"$define:long" -o X"$use64bitall" = Xdefine; then 398# Keep this at the left margin. 399libswanted_uselargefiles="`getconf XBS5_LP64_OFF64_LIBS 2>/dev/null|sed -e 's@^-l@@' -e 's@ -l@ @g'`" 400 else 401# Keep this at the left margin. 402libswanted_uselargefiles="`getconf XBS5_ILP32_OFFBIG_LIBS 2>/dev/null|sed -e 's@^-l@@' -e 's@ -l@ @g'`" 403 fi 404 405 case "$ccflags_uselargefiles$ldflags_uselargefiles$libs_uselargefiles" in 406 '') ;; 407 *) ccflags="$ccflags $ccflags_uselargefiles" 408 ldflags="$ldflags $ldflags_uselargefiles" 409 libswanted="$libswanted $libswanted_uselargefiles" 410 ;; 411 esac 412 413 case "$gccversion" in 414 '') ;; 415 *) # Remove xlc-specific -qflags. 416 ccflags="`echo $ccflags | sed -e 's@ -q[^ ]*@ @g' -e 's@^-q[^ ]* @@g'`" 417 ldflags="`echo $ldflags | sed -e 's@ -q[^ ]*@ @g' -e 's@^-q[^ ]* @@g'`" 418 # Move xlc-specific -bflags. 419 ccflags="`echo $ccflags | sed -e 's@ -b@ -Wl,-b@g'`" 420 ldflags="`echo ' '$ldflags | sed -e 's@ -b@ -Wl,-b@g'`" 421 lddlflags="`echo ' '$lddlflags | sed -e 's@ -b@ -Wl,-b@g'`" 422 lddlflags="`echo ' '$lddlflags | sed -e 's@ -G @ -Wl,-G @g'`" 423 ld='gcc' 424 echo >&4 "(using ccflags $ccflags)" 425 echo >&4 "(using ldflags $ldflags)" 426 echo >&4 "(using lddlflags $lddlflags)" 427 ;; 428 esac 429 ;; 430 esac 431EOCBU 432 433# This script UU/use64bitint.cbu will get 'called-back' by Configure 434# after it has prompted the user for whether to use 64 bit integers. 435cat > UU/use64bitint.cbu <<'EOCBU' 436case "$use64bitint" in 437 $define|true|[yY]*) 438 case "`oslevel`" in 439 4.[012].*) 440 cat >&4 <<EOM 441AIX `oslevel` does not support 64-bit interfaces. 442You should upgrade to at least AIX 4.3. 443EOM 444 exit 1 445 ;; 446 esac 447 ;; 448 esac 449EOCBU 450 451cat > UU/use64bitall.cbu <<'EOCBU' 452# This script UU/use64bitall.cbu will get 'called-back' by Configure 453# after it has prompted the user for whether to be maximally 64-bitty. 454case "$use64bitall" in 455 $define|true|[yY]*) 456 case "`oslevel`" in 457 4.[012].*) 458 cat >&4 <<EOM 459AIX `oslevel` does not support 64-bit interfaces. 460You should upgrade to at least AIX 4.3. 461EOM 462 exit 1 463 ;; 464 esac 465 echo " " 466 echo "Checking the CPU width of your hardware..." >&4 467 $cat >size.c <<EOCP 468#include <stdio.h> 469#include <sys/systemcfg.h> 470int main (void) 471{ 472 printf ("%d\n", _system_configuration.width); 473 return (0); 474 } 475EOCP 476 set size 477 if eval $compile_ok; then 478 qacpuwidth=`./size` 479 echo "You are running on $qacpuwidth bit hardware." 480 else 481 dflt="32" 482 echo " " 483 echo "(I can't seem to compile the test program. Guessing...)" 484 rp="What is the width of your CPU (in bits)?" 485 . ./myread 486 qacpuwidth="$ans" 487 fi 488 $rm -f size.c size 489 case "$qacpuwidth" in 490 32*) 491 cat >&4 <<EOM 492Bzzzt! At present, you can only perform a 493full 64-bit build on a 64-bit machine. 494EOM 495 exit 1 496 ;; 497 esac 498 499 qacflags="`getconf XBS5_LP64_OFF64_CFLAGS 2>/dev/null`" 500 qaldflags="`getconf XBS5_LP64_OFF64_LDFLAGS 2>/dev/null`" 501 # See jhi's comments above regarding this re-eval. I've 502 # seen similar weirdness in the form of: 503 # 504 # 1506-173 (W) Option lm is not valid. Enter xlc for list of valid options. 505 # 506 # error messages from 'cc -E' invocation. Again, the offending 507 # string is simply not detectable by any means. Since it doesn't 508 # do any harm, I didn't pursue it. -- sh 509 qaldflags="`echo $qaldflags`" 510 qalibs="`getconf XBS5_LP64_OFF64_LIBS 2>/dev/null|sed -e 's@^-l@@' -e 's@ -l@ @g'`" 511 # -q32 and -b32 may have been set by uselargefiles or user. 512 # Remove them. 513 ccflags="`echo $ccflags | sed -e 's@-q32@@'`" 514 ldflags="`echo $ldflags | sed -e 's@-b32@@'`" 515 # Tell archiver to use large format. Unless we remove 'ar' 516 # from 'trylist', the Configure script will just reset it to 'ar' 517 # immediately prior to writing config.sh. This took me hours 518 # to figure out. 519 trylist="`echo $trylist | sed -e 's@^ar @@' -e 's@ ar @ @g' -e 's@ ar$@@'`" 520 ar="ar -X64" 521 nm_opt="-X64 $nm_opt" 522 # Note: Placing the 'qacflags' variable into the 'ldflags' string 523 # is NOT a typo. ldflags is passed to the C compiler for final 524 # linking, and it wants -q64 (-b64 is for ld only!). 525 case "$qacflags$qaldflags$qalibs" in 526 '') ;; 527 *) ccflags="$ccflags $qacflags" 528 ldflags="$ldflags $qacflags" 529 lddlflags="$qaldflags $lddlflags" 530 libswanted="$libswanted $qalibs" 531 ;; 532 esac 533 case "$ccflags" in 534 *-DUSE_64_BIT_ALL*) ;; 535 *) ccflags="$ccflags -DUSE_64_BIT_ALL";; 536 esac 537 case "$archname64" in 538 ''|64*) archname64=64all ;; 539 esac 540 longsize="8" 541 qacflags='' 542 qaldflags='' 543 qalibs='' 544 qacpuwidth='' 545 ;; 546 esac 547EOCBU 548 549if test $usenativedlopen = 'true' ; then 550 ccflags="$ccflags -DUSE_NATIVE_DLOPEN" 551 case "$cc" in 552 *gcc*) ldflags="$ldflags -Wl,-brtl" ;; 553 *) ldflags="$ldflags -brtl" ;; 554 esac 555else 556 case `oslevel` in 557 4.2.*) ;; # libC_r has broke gettimeofday 558 *) # If the C++ libraries, libC and libC_r, are available we will 559 # prefer them over the vanilla libc, because the libC contain 560 # loadAndInit() and terminateAndUnload() which work correctly 561 # with C++ statics while libc load() and unload() do not. See 562 # ext/DynaLoader/dl_aix.xs. The C-to-C_r switch is done by 563 # usethreads.cbu, if needed. 564 if test -f /lib/libC.a -a X"`$cc -v 2>&1 | grep gcc`" = X; then 565 # Cify libswanted. 566 set `echo X "$libswanted "| sed -e 's/ c / C c /'` 567 shift 568 libswanted="$*" 569 # Cify lddlflags. 570 set `echo X "$lddlflags "| sed -e 's/ -lc / -lC -lc /'` 571 shift 572 lddlflags="$*" 573 fi 574 esac 575 fi 576 577case "$PASE" in 578 define) 579 case "$prefix" in 580 '') prefix=/QOpenSys/perl ;; 581 esac 582 cat >&4 <<EOF 583 584*** 585*** You seem to be compiling in AIX for the OS/400 PASE environment. 586*** I'm not going to use the AIX bind, nsl, and possible util libraries, then. 587*** I'm also not going to install perl as /usr/bin/perl. 588*** Perl will be installed under $prefix. 589*** For instructions how to install this build from AIX to PASE, 590*** see the file README.os400. Accept the "aix" for the question 591*** about "Operating system name". 592*** 593EOF 594 set `echo " $libswanted " | sed -e 's@ bind @ @' -e 's@ nsl @ @' -e 's@ util @ @'` 595 shift 596 libswanted="$*" 597 installusrbinperl="$undef" 598 599 # V5R1 doesn't have this (V5R2 does), without knowing 600 # which one we have it's safer to be pessimistic. 601 # Cwd will work fine even without fchdir(), but if 602 # V5R1 tries to use code compiled assuming fchdir(), 603 # lots of grief will issue forth from Cwd. 604 case "$d_fchdir" in 605 '') d_fchdir="$undef" ;; 606 esac 607 ;; 608 esac 609 610# EOF 611