1# hints/aix.sh 2 3# AIX 3 and AIX 4 are split off to aix_3.sh and aix_4.sh 4# early Feb 2004 by H.Merijn Brand 5# please read comments in there for historic questions. 6# many now stripped here 7 8# Contact dfavor@corridor.com for any of the following: 9# 10# - AIX 43x and above support 11# - gcc + threads support 12# - socks support 13# 14# Notes: 15# 16# - shared libperl support is tricky. if ever libperl.a ends up 17# in /usr/local/lib/* it can override any subsequent builds of 18# that same perl release. to make sure you know where the shared 19# libperl.a is coming from do a 'dump -Hv perl' and check all the 20# library search paths in the loader header. 21# 22# it would be nice to warn the user if a libperl.a exists that is 23# going to override the current build, but that would be complex. 24# 25# better yet, a solid fix for this situation should be developed. 26# 27 28# Configure finds setrgid and setruid, but they're useless. The man 29# pages state: 30# setrgid: The EPERM error code is always returned. 31# setruid: The EPERM error code is always returned. Processes cannot 32# reset only their real user IDs. 33d_setrgid='undef' 34d_setruid='undef' 35 36alignbytes=8 37 38case "$usemymalloc" in 39 '') usemymalloc='n' ;; 40 esac 41 42# malloc wrap works, but not in vac-5, see later 43case "$usemallocwrap" in 44 '') usemallocwrap='define' ;; 45 esac 46 47# Intuiting the existence of system calls under AIX is difficult, 48# at best; the safest technique is to find them empirically. 49 50case "$usenativedlopen" in 51 '') usenativedlopen='true' ;; 52 esac 53 54so="a" 55# AIX itself uses .o (libc.o) but we prefer compatibility 56# with the rest of the world and with rest of the scripting 57# languages (Tcl, Python) and related systems (SWIG). 58# Stephanie Beals <bealzy@us.ibm.com> 59dlext="so" 60 61# Take possible hint from the environment. If 32-bit is set in the 62# environment, we can override it later. If set for 64, the 63# 'sizeof' test sees a native 64-bit architecture and never looks back. 64case "$OBJECT_MODE" in 65 32) cat >&4 <<EOF 66 67You have OBJECT_MODE=32 set in the environment. 68I take this as a hint you do not want to 69build for a 64-bit address space. You will be 70given the opportunity to change this later. 71EOF 72 ;; 73 64) cat >&4 <<EOF 74 75You have OBJECT_MODE=64 set in the environment. 76This forces a full 64-bit build. If that is 77not what you intended, please terminate this 78program, unset it and restart. 79EOF 80 ;; 81 esac 82 83# uname -m output is too specific and not appropriate here 84case "$archname" in 85 '') archname="$osname" ;; 86 esac 87 88cc=${cc:-cc} 89 90ccflags="$ccflags -D_ALL_SOURCE -D_ANSI_C_SOURCE -D_POSIX_SOURCE" 91case "$cc" in 92 *gcc*) ;; 93 *) ccflags="$ccflags -qmaxmem=-1 -qnoansialias" ;; 94 esac 95nm_opt='-B' 96 97# These functions don't work like Perl expects them to. 98d_setregid='undef' 99d_setreuid='undef' 100 101# Changes for dynamic linking by Wayne Scott <wscott@ichips.intel.com> 102# 103# Tell perl which symbols to export for dynamic linking. 104cccdlflags='none' # All AIX code is position independent 105 cc_type=xlc # do not export to config.sh 106case "$cc" in 107 *gcc*) 108 cc_type=gcc 109 ccdlflags='-Xlinker' 110 if [ "X$gccversion" = "X" ]; then 111 # Done too late in Configure if hinted 112 gccversion=`$cc --version | sed 's/.*(GCC) *//'` 113 fi 114 ;; 115 116 *) ccversion=`lslpp -ql -Ou vac.C | grep -v '^Path' | head -1 | awk '{print $1,$2}'` 117 case "$ccversion" in 118 '') ccversion=`lslpp -L | grep 'IBM C and C++ Compilers LUM$'` ;; 119 120 *.*.*.*.*.*.*) # Ahhrgg, more than one C compiler installed 121 first_cc_path=`which ${cc:-cc}` 122 case "$first_cc_path" in 123 *vac*) 124 cc_type=vac ;; 125 126 /usr/bin/cc) # Check the symlink 127 if [ -h $first_cc_path ] ; then 128 ls -l $first_cc_path > reflect 129 if grep -i vac reflect >/dev/null 2>&1 ; then 130 cc_type=vac 131 fi 132 rm -f reflect 133 fi 134 ;; 135 esac 136 ccversion=`lslpp -L | grep 'C for AIX Compiler$' | grep -i $cc_type | head -1` 137 ;; 138 139 vac*.*.*.*) 140 cc_type=vac 141 ;; 142 esac 143 144 ccversion=`echo "$ccversion" | awk '{print $2}'` 145 # Redbooks state AIX-5 only supports vac-5.0.2.0 and up 146 case "$ccversion" in 147 5*) usemallocwrap='n' ;; # panic in miniperl 148 esac 149 ;; 150 esac 151 152# the required -bE:$installarchlib/CORE/perl.exp is added by 153# libperl.U (Configure) later. 154 155# The first 3 options would not be needed if dynamic libs. could be linked 156# with the compiler instead of ld. 157# -bI:$(PERL_INC)/perl.exp Read the exported symbols from the perl binary 158# -bE:$(BASEEXT).exp Export these symbols. This file contains only one 159# symbol: boot_$(EXP) can it be auto-generated? 160if test $usenativedlopen = 'true' ; then 161 lddlflags="$lddlflags -bhalt:4 -bexpall -G -bnoentry -lc" 162else 163 lddlflags="$lddlflags -bhalt:4 -bM:SRE -bI:\$(PERL_INC)/perl.exp -bE:\$(BASEEXT).exp -bnoentry -lc" 164 fi 165 166case "$use64bitall" in 167 $define|true|[yY]*) use64bitint="$define" ;; 168 esac 169 170case "$usemorebits" in 171 $define|true|[yY]*) use64bitint="$define"; uselongdouble="$define" ;; 172 esac 173 174case $cc_type in 175 vac|xlc) 176 case "$uselongdouble" in 177 $define|true|[yY]*) 178 ccflags="$ccflags -qlongdouble" 179 libswanted="c128 $libswanted" 180 lddlflags=`echo "$lddlflags " | sed -e 's/ -lc / -lc128 -lc /'` 181 ;; 182 esac 183 ;; 184 esac 185 186case "$cc" in 187 *gcc*) ;; 188 189 cc*|xlc*) # cc should've been set by line 116 or so if empty. 190 if test ! -x /usr/bin/$cc -a -x /usr/vac/bin/$cc; then 191 case ":$PATH:" in 192 *:/usr/vac/bin:*) ;; 193 *) if test ! -x /QOpenSys/usr/bin/$cc; then 194 # The /QOpenSys/usr/bin/$cc saves us if we are 195 # building natively in OS/400 PASE. 196 cat >&4 <<EOF 197 198*** 199*** You either implicitly or explicitly specified an IBM C compiler, 200*** but you do not seem to have one in /usr/bin, but you seem to have 201*** the VAC installed in /usr/vac, but you do not have the /usr/vac/bin 202*** in your PATH. I suggest adding that and retrying Configure. 203*** 204EOF 205 exit 1 206 fi 207 ;; 208 esac 209 fi 210 ;; 211 esac 212 213case "$ldlibpthname" in 214 '') ldlibpthname=LIBPATH ;; 215 esac 216 217# This script UU/usethreads.cbu will get 'called-back' by Configure 218# after it has prompted the user for whether to use threads. 219cat > UU/usethreads.cbu <<'EOCBU' 220case "$usethreads" in 221 $define|true|[yY]*) 222 d_drand48_r='undef' 223 d_endgrent_r='undef' 224 d_endpwent_r='undef' 225 d_getgrent_r='undef' 226 d_getpwent_r='undef' 227 d_random_r='undef' 228 d_setgrent_r='undef' 229 d_setpwent_r='undef' 230 d_srand48_r='undef' 231 d_strerror_r='undef' 232 233 ccflags="$ccflags -DNEED_PTHREAD_INIT" 234 case "$cc" in 235 *gcc*) ccflags="-D_THREAD_SAFE $ccflags" ;; 236 237 cc_r) ;; 238 '') cc=cc_r ;; 239 240 *) 241 242 243 # No | alternation in aix sed. :-( 244 newcc=`echo $cc | sed -e 's/cc$/cc_r/' -e 's/xl[cC]$/cc_r/' -e 's/xl[cC]_r$/cc_r/'` 245 case "$newcc" in 246 $cc) # No change 247 ;; 248 249 *cc_r) 250 echo >&4 "Switching cc to cc_r because of POSIX threads." 251 # xlc_r has been known to produce buggy code in AIX 4.3.2. 252 # (e.g. pragma/overload core dumps) Let's suspect xlC_r, too. 253 # --jhi@iki.fi 254 cc="$newcc" 255 ;; 256 257 *) 258 cat >&4 <<EOM 259*** For pthreads you should use the AIX C compiler cc_r. 260*** (now your compiler was set to '$cc') 261*** Cannot continue, aborting. 262EOM 263 exit 1 264 ;; 265 esac 266 esac 267 268 # Insert pthreads to libswanted, before any libc or libC. 269 set `echo X "$libswanted "| sed -e 's/ \([cC]\) / pthreads \1 /'` 270 shift 271 libswanted="$*" 272 # Insert pthreads to lddlflags, before any libc or libC. 273 set `echo X "$lddlflags " | sed -e 's/ \(-l[cC]\) / -lpthreads \1 /'` 274 shift 275 lddlflags="$*" 276 ;; 277esac 278EOCBU 279 280# This script UU/uselargefiles.cbu will get 'called-back' by Configure 281# after it has prompted the user for whether to use large files. 282cat > UU/uselargefiles.cbu <<'EOCBU' 283case "$uselargefiles" in 284 ''|$define|true|[yY]*) 285 # Configure should take care of use64bitint and use64bitall being 286 # defined before uselargefiles.cbu is consulted. 287 if test X"$use64bitint:$quadtype" = X"$define:long" -o X"$use64bitall" = Xdefine; then 288# Keep these at the left margin. 289ccflags_uselargefiles="`getconf XBS5_LP64_OFF64_CFLAGS 2>/dev/null`" 290ldflags_uselargefiles="`getconf XBS5_LP64_OFF64_LDFLAGS 2>/dev/null`" 291 else 292# Keep these at the left margin. 293ccflags_uselargefiles="`getconf XBS5_ILP32_OFFBIG_CFLAGS 2>/dev/null`" 294ldflags_uselargefiles="`getconf XBS5_ILP32_OFFBIG_LDFLAGS 2>/dev/null`" 295 fi 296 if test X"$use64bitint:$quadtype" = X"$define:long" -o X"$use64bitall" = Xdefine; then 297# Keep this at the left margin. 298libswanted_uselargefiles="`getconf XBS5_LP64_OFF64_LIBS 2>/dev/null|sed -e 's@^-l@@' -e 's@ -l@ @g`" 299 else 300# Keep this at the left margin. 301libswanted_uselargefiles="`getconf XBS5_ILP32_OFFBIG_LIBS 2>/dev/null|sed -e 's@^-l@@' -e 's@ -l@ @g`" 302 fi 303 304 case "$ccflags_uselargefiles$ldflags_uselargefiles$libs_uselargefiles" in 305 '') ;; 306 *) ccflags="$ccflags $ccflags_uselargefiles" 307 ldflags="$ldflags $ldflags_uselargefiles" 308 libswanted="$libswanted $libswanted_uselargefiles" 309 ;; 310 esac 311 312 case "$gccversion" in 313 '') ;; 314 *) # Remove xlc-specific -qflags. 315 ccflags="`echo $ccflags | sed -e 's@ -q[^ ]*@ @g' -e 's@^-q[^ ]* @@g'`" 316 ldflags="`echo $ldflags | sed -e 's@ -q[^ ]*@ @g' -e 's@^-q[^ ]* @@g'`" 317 # Move xlc-specific -bflags. 318 ccflags="`echo $ccflags | sed -e 's@ -b@ -Wl,-b@g'`" 319 ldflags="`echo ' '$ldflags | sed -e 's@ -b@ -Wl,-b@g'`" 320 lddlflags="`echo ' '$lddlflags | sed -e 's@ -b@ -Wl,-b@g'`" 321 lddlflags="`echo ' '$lddlflags | sed -e 's@ -G @ -Wl,-G @g'`" 322 case "$use64bitall" in 323 $define|true|[yY]*) ld="$cc -maix64" ;; 324 *) ld="$cc" ;; 325 esac 326 echo >&4 "(using ccflags $ccflags)" 327 echo >&4 "(using ldflags $ldflags)" 328 echo >&4 "(using lddlflags $lddlflags)" 329 ;; 330 esac 331 ;; 332 esac 333EOCBU 334 335cat > UU/use64bitall.cbu <<'EOCBU' 336# This script UU/use64bitall.cbu will get 'called-back' by Configure 337# after it has prompted the user for whether to be maximally 64-bitty. 338case "$use64bitall" in 339 $define|true|[yY]*) 340 echo " " 341 echo "Checking the CPU width of your hardware..." >&4 342 $cat >size.c <<EOCP 343#include <stdio.h> 344#include <sys/systemcfg.h> 345int main (void) 346{ 347 printf ("%d\n", _system_configuration.width); 348 return (0); 349 } 350EOCP 351 set size 352 if eval $compile_ok; then 353 qacpuwidth=`./size` 354 echo "You are running on $qacpuwidth bit hardware." 355 else 356 dflt="32" 357 echo " " 358 echo "(I can't seem to compile the test program. Guessing...)" 359 rp="What is the width of your CPU (in bits)?" 360 . ./myread 361 qacpuwidth="$ans" 362 fi 363 $rm -f size.c size 364 365 case "$qacpuwidth" in 366 32*) 367 cat >&4 <<EOM 368Bzzzt! At present, you can only perform a 369full 64-bit build on a 64-bit machine. 370EOM 371 exit 1 372 ;; 373 esac 374 qacflags="`getconf XBS5_LP64_OFF64_CFLAGS 2>/dev/null`" 375 qaldflags="`getconf XBS5_LP64_OFF64_LDFLAGS 2>/dev/null`" 376 # See jhi's comments above regarding this re-eval. I've 377 # seen similar weirdness in the form of: 378 # 379# 1506-173 (W) Option lm is not valid. Enter xlc for list of valid options. 380 # 381 # error messages from 'cc -E' invocation. Again, the offending 382 # string is simply not detectable by any means. Since it doesn't 383 # do any harm, I didn't pursue it. -- sh 384 qaldflags="`echo $qaldflags`" 385 qalibs="`getconf XBS5_LP64_OFF64_LIBS 2>/dev/null|sed -e 's@^-l@@' -e 's@ -l@ @g`" 386 # -q32 and -b32 may have been set by uselargefiles or user. 387 # Remove them. 388 ccflags="`echo $ccflags | sed -e 's@-q32@@'`" 389 ldflags="`echo $ldflags | sed -e 's@-b32@@'`" 390 case "$cc" in 391 *gcc*) 392 ccflags="`echo $ccflags | sed -e 's@-q64@-maix64@'`" 393 ccflags_uselargefiles="`echo $ccflags_uselargefiles | sed -e 's@-q64@-maix64@'`" 394 qacflags="`echo $qacflags | sed -e 's@-q64@-maix64@'`" 395 ;; 396 esac 397 # Tell archiver to use large format. Unless we remove 'ar' 398 # from 'trylist', the Configure script will just reset it to 'ar' 399 # immediately prior to writing config.sh. This took me hours 400 # to figure out. 401 trylist="`echo $trylist | sed -e 's@^ar @@' -e 's@ ar @ @g' -e 's@ ar$@@'`" 402 ar="ar -X64" 403 nm_opt="-X64 $nm_opt" 404 # Note: Placing the 'qacflags' variable into the 'ldflags' string 405 # is NOT a typo. ldflags is passed to the C compiler for final 406 # linking, and it wants -q64 (-b64 is for ld only!). 407 case "$qacflags$qaldflags$qalibs" in 408 '') ;; 409 *) ccflags="$ccflags $qacflags" 410 ldflags="$ldflags $qacflags" 411 lddlflags="$qaldflags $lddlflags" 412 libswanted="$libswanted $qalibs" 413 ;; 414 esac 415 case "$ccflags" in 416 *-DUSE_64_BIT_ALL*) ;; 417 *) ccflags="$ccflags -DUSE_64_BIT_ALL";; 418 esac 419 case "$archname64" in 420 ''|64*) archname64=64all ;; 421 esac 422 longsize="8" 423 qacflags='' 424 qaldflags='' 425 qalibs='' 426 qacpuwidth='' 427 ;; 428 esac 429EOCBU 430 431if test $usenativedlopen = 'true' ; then 432 ccflags="$ccflags -DUSE_NATIVE_DLOPEN" 433 # -brtl Enables a binary to use run time linking 434 # -bdynamic When used with -brtl, tells linker to search for 435 # ".so"-suffix libraries as well as ".a" suffix 436 # libraries. AIX allows both .so and .a libraries to 437 # contain dynamic shared objects. 438 # -bmaxdata:0x80000000 This increases the size of heap memory available 439 # to perl. Default is 256 MB, which sounds large but 440 # caused a software vendor problems. So this sets 441 # heap to 2 GB maximum. Anything higher and you'd 442 # want to consider 64 bit perl. 443 case "$cc" in 444 *gcc*) ldflags="$ldflags -Wl,-brtl -Wl,-bdynamic -Wl,-bmaxdata:0x80000000" ;; 445 *) ldflags="$ldflags -brtl -bdynamic -bmaxdata:0x80000000" ;; 446 esac 447elif test -f /lib/libC.a -a X"`$cc -v 2>&1 | grep gcc`" = X; then 448 # If the C++ libraries, libC and libC_r, are available we will 449 # prefer them over the vanilla libc, because the libC contain 450 # loadAndInit() and terminateAndUnload() which work correctly 451 # with C++ statics while libc load() and unload() do not. See 452 # ext/DynaLoader/dl_aix.xs. The C-to-C_r switch is done by 453 # usethreads.cbu, if needed. 454 455 # Cify libswanted. 456 set `echo X "$libswanted "| sed -e 's/ c / C c /'` 457 shift 458 libswanted="$*" 459 # Cify lddlflags. 460 set `echo X "$lddlflags "| sed -e 's/ -lc / -lC -lc /'` 461 shift 462 lddlflags="$*" 463 fi 464 465case "$PASE" in 466 define) 467 case "$prefix" in 468 '') prefix=/QOpenSys/perl ;; 469 esac 470 cat >&4 <<EOF 471 472*** 473*** You seem to be compiling in AIX for the OS/400 PASE environment. 474*** I'm not going to use the AIX bind, nsl, and possible util libraries, then. 475*** I'm also not going to install perl as /usr/bin/perl. 476*** Perl will be installed under $prefix. 477*** For instructions how to install this build from AIX to PASE, 478*** see the file README.os400. Accept the "aix" for the question 479*** about "Operating system name". 480*** 481EOF 482 set `echo " $libswanted " | sed -e 's@ bind @ @' -e 's@ nsl @ @' -e 's@ util @ @'` 483 shift 484 libswanted="$*" 485 installusrbinperl="$undef" 486 487 # V5R1 doesn't have this (V5R2 does), without knowing 488 # which one we have it's safer to be pessimistic. 489 # Cwd will work fine even without fchdir(), but if 490 # V5R1 tries to use code compiled assuming fchdir(), 491 # lots of grief will issue forth from Cwd. 492 case "$d_fchdir" in 493 '') d_fchdir="$undef" ;; 494 esac 495 ;; 496 esac 497 498# EOF 499