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1 | # hints/aix_3.sh |
2 | # | |
3 | # On Tue 03 Feb 2004 split off from aix.sh by H.Merijn Brand | |
4 | # AIX 3.x.x hints thanks to Wayne Scott <wscott@ichips.intel.com> | |
5 | ||
6 | # Notes: | |
7 | # | |
8 | # - shared libperl support is tricky. if ever libperl.a ends up | |
9 | # in /usr/local/lib/* it can override any subsequent builds of | |
10 | # that same perl release. to make sure you know where the shared | |
11 | # libperl.a is coming from do a 'dump -Hv perl' and check all the | |
12 | # library search paths in the loader header. | |
13 | # | |
14 | # it would be nice to warn the user if a libperl.a exists that is | |
15 | # going to override the current build, but that would be complex. | |
16 | # | |
17 | # better yet, a solid fix for this situation should be developed. | |
18 | ||
19 | alignbytes=8 | |
20 | ||
21 | case "$usemymalloc" in | |
22 | '') usemymalloc='n' ;; | |
23 | esac | |
24 | ||
25 | # Intuiting the existence of system calls under AIX is difficult, | |
26 | # at best; the safest technique is to find them empirically. | |
27 | ||
28 | case "$usenm" in | |
29 | '') usenm='undef' | |
30 | esac | |
31 | ||
32 | so="a" | |
33 | # AIX itself uses .o (libc.o) but we prefer compatibility | |
34 | # with the rest of the world and with rest of the scripting | |
35 | # languages (Tcl, Python) and related systems (SWIG). | |
36 | # Stephanie Beals <bealzy@us.ibm.com> | |
37 | dlext="so" | |
38 | ||
39 | # Take possible hint from the environment. If 32-bit is set in the | |
40 | # environment, we can override it later. If set for 64, the | |
41 | # 'sizeof' test sees a native 64-bit architecture and never looks back. | |
42 | case "$use64bitint$use64bitall$usemorebits" in | |
43 | *$define*) cat >&4 <<EOM | |
44 | ||
45 | AIX `oslevel` does not support 64-bit interfaces. | |
46 | You should upgrade to at least AIX 4.3. | |
47 | EOM | |
48 | exit | |
49 | ;; | |
50 | esac | |
51 | ||
52 | case "$usemorebits" in | |
53 | if [ "$OBJECT_MODE" = "64" ] then | |
54 | cat >&4 <<EOF | |
55 | ||
56 | You have OBJECT_MODE=64 set in the environment. | |
57 | This would force a full 64-bit build, but AIX 3 | |
58 | does not support 64bit. | |
59 | EOF | |
60 | fi | |
61 | ||
62 | # uname -m output is too specific and not appropriate here | |
63 | case "$archname" in | |
64 | '') archname="$osname" ;; | |
65 | esac | |
66 | ||
67 | cc=${cc:-cc} | |
68 | d_fchmod='undef' | |
69 | ccflags="$ccflags -D_ALL_SOURCE" | |
70 | ||
71 | # These functions don't work like Perl expects them to. | |
72 | d_setregid='undef' | |
73 | d_setreuid='undef' | |
74 | ||
75 | # Configure finds setrgid and setruid, but they're useless. The man | |
76 | # pages state: | |
77 | # setrgid: The EPERM error code is always returned. | |
78 | # setruid: The EPERM error code is always returned. Processes cannot | |
79 | # reset only their real user IDs. | |
80 | d_setrgid='undef' | |
81 | d_setruid='undef' | |
82 | ||
83 | # Changes for dynamic linking by Wayne Scott <wscott@ichips.intel.com> | |
84 | # | |
85 | # Tell perl which symbols to export for dynamic linking. | |
86 | cccdlflags='none' # All AIX code is position independent | |
87 | cc_type=xlc # do not export to config.sh | |
88 | case "$cc" in | |
89 | *gcc*) | |
90 | cc_type=gcc | |
91 | ccdlflags='-Xlinker' | |
92 | if [ "X$gccversion" = "X" ]; then | |
93 | # Done too late in Configure if hinted | |
0baa0948 | 94 | gccversion=`$cc -dumpversion` |
4d23630a MB |
95 | fi |
96 | ;; | |
97 | ||
98 | *) ccversion=`lslpp -L | grep 'C for AIX Compiler$' | grep -v '\.msg\.[A-Za-z_]*\.' | head -1 | awk '{print $1,$2}'` | |
99 | case "$ccversion" in | |
100 | '') ccversion=`lslpp -L | grep 'IBM C and C++ Compilers LUM$'` | |
101 | ;; | |
102 | ||
103 | *.*.*.*.*.*.*) # Ahhrgg, more than one C compiler installed | |
104 | first_cc_path=`which ${cc:-cc}` | |
105 | case "$first_cc_path" in | |
106 | *vac*) | |
107 | cc_type=vac | |
108 | ;; | |
109 | /usr/bin/cc) # Check the symlink | |
110 | if [ -h $first_cc_path ]; then | |
111 | ls -l $first_cc_path > reflect | |
112 | if grep -i vac reflect >/dev/null 2>&1 ; then | |
113 | cc_type=vac | |
114 | fi | |
115 | rm -f reflect | |
116 | fi | |
117 | ;; | |
118 | esac | |
119 | ccversion=`lslpp -L | grep 'C for AIX Compiler$' | grep -i $cc_type | head -1` | |
120 | ;; | |
121 | vac*.*.*.*) | |
122 | cc_type=vac | |
123 | ;; | |
124 | esac | |
125 | ||
126 | ccversion=`echo "$ccversion" | awk '{print $2}'` | |
127 | case "$ccversion" in | |
128 | 3.6.6.0) | |
129 | optimize='none' | |
130 | ;; | |
131 | 4.4.0.0|4.4.0.1|4.4.0.2) | |
132 | cat >&4 <<EOF | |
133 | *** | |
134 | *** This C compiler ($ccversion) is outdated. | |
135 | *** | |
136 | *** Please upgrade to at least 4.4.0.3. | |
137 | *** | |
138 | EOF | |
139 | ;; | |
140 | 5.0.0.0) | |
141 | cat >&4 <<EOF | |
142 | *** | |
143 | *** This C compiler ($ccversion) is known to have too many optimizer | |
144 | *** bugs to compile a working Perl. | |
145 | *** | |
146 | *** Consider upgrading your C compiler, or getting the GNU cc (gcc). | |
147 | *** | |
148 | *** Cannot continue, aborting. | |
149 | EOF | |
150 | exit 1 | |
151 | ;; | |
152 | 5.0.1.0) | |
153 | cat >&4 <<EOF | |
154 | *** | |
155 | *** This C compiler ($ccversion) is known to have optimizer problems | |
156 | *** when compiling regcomp.c. | |
157 | *** | |
158 | *** Disabling optimization for that file but consider upgrading | |
159 | *** your C compiler. | |
160 | *** | |
161 | EOF | |
162 | regcomp_cflags='optimize=' | |
163 | ;; | |
164 | esac | |
165 | esac | |
166 | # the required -bE:$installarchlib/CORE/perl.exp is added by | |
167 | # libperl.U (Configure) later. | |
168 | ||
169 | # The first 3 options would not be needed if dynamic libs. could be linked | |
170 | # with the compiler instead of ld. | |
171 | # -bI:$(PERL_INC)/perl.exp Read the exported symbols from the perl binary | |
172 | # -bE:$(BASEEXT).exp Export these symbols. This file contains only one | |
173 | # symbol: boot_$(EXP) can it be auto-generated? | |
174 | lddlflags="$lddlflags -H512 -T512 -bhalt:4 -bM:SRE -bI:\$(PERL_INC)/perl.exp -bE:\$(BASEEXT).exp -e _nostart -lc" | |
175 | ||
176 | case $cc_type in | |
177 | vac|xlc) | |
178 | case "$uselongdouble" in | |
179 | $define|true|[yY]*) | |
180 | ccflags="$ccflags -qlongdouble" | |
181 | libswanted="c128 $libswanted" | |
182 | lddlflags=`echo "$lddlflags " | sed -e 's/ -lc / -lc128 -lc /'` | |
183 | ;; | |
184 | esac | |
185 | esac | |
186 | ||
187 | case "$cc" in | |
188 | *gcc*) ;; | |
189 | cc*|xlc*) # cc should've been set by line 116 or so if empty. | |
190 | if test ! -x /usr/bin/$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 | *** | |
204 | EOF | |
205 | exit 1 | |
206 | fi | |
207 | ;; | |
208 | esac | |
209 | fi | |
210 | ;; | |
211 | esac | |
212 | ||
213 | case "$ldlibpthname" in | |
214 | '') ldlibpthname=LIBPATH ;; | |
215 | esac | |
216 | ||
217 | # This script UU/usethreads.cbu will get 'called-back' by Configure | |
218 | # after it has prompted the user for whether to use threads. | |
219 | cat > UU/usethreads.cbu <<'EOCBU' | |
220 | case "$usethreads" in | |
221 | $define|true|[yY]*) | |
222 | d_drand48_r='undef' | |
223 | d_endgrent_r='undef' | |
224 | d_endpwent_r='undef' | |
225 | d_getgrent_r='undef' | |
226 | d_getpwent_r='undef' | |
227 | d_random_r='undef' | |
228 | d_setgrent_r='undef' | |
229 | d_setpwent_r='undef' | |
230 | d_srand48_r='undef' | |
231 | d_strerror_r='undef' | |
232 | ccflags="$ccflags -DNEED_PTHREAD_INIT" | |
233 | case "$cc" in | |
234 | *gcc*) | |
235 | ccflags="-D_THREAD_SAFE $ccflags" | |
236 | ;; | |
237 | cc_r) ;; | |
238 | cc|xl[cC]_r) | |
239 | echo >&4 "Switching cc to cc_r because of POSIX threads." | |
240 | # xlc_r has been known to produce buggy code in AIX 4.3.2. | |
241 | # (e.g. pragma/overload core dumps) Let's suspect xlC_r, too. | |
242 | # --jhi@iki.fi | |
243 | cc=cc_r | |
244 | ;; | |
245 | '') | |
246 | cc=cc_r | |
247 | ;; | |
248 | *) | |
249 | cat >&4 <<EOM | |
250 | *** For pthreads you should use the AIX C compiler cc_r. | |
251 | *** (now your compiler was set to '$cc') | |
252 | *** Cannot continue, aborting. | |
253 | EOM | |
254 | exit 1 | |
255 | ;; | |
256 | esac | |
257 | ||
258 | # c_rify libswanted. | |
259 | set `echo X "$libswanted "| sed -e 's/ \([cC]\) / \1_r /g'` | |
260 | shift | |
261 | libswanted="$*" | |
262 | # c_rify lddlflags. | |
263 | set `echo X "$lddlflags "| sed -e 's/ \(-l[cC]\) / \1_r /g'` | |
264 | shift | |
265 | lddlflags="$*" | |
266 | ||
267 | # Insert pthreads to libswanted, before any libc or libC. | |
268 | set `echo X "$libswanted "| sed -e 's/ \([cC]_r\) / pthreads \1 /'` | |
269 | shift | |
270 | libswanted="$*" | |
271 | # Insert pthreads to lddlflags, before any libc or libC. | |
272 | set `echo X "$lddlflags " | sed -e 's/ \(-l[cC]_r\) / -lpthreads \1 /'` | |
273 | shift | |
274 | lddlflags="$*" | |
275 | ;; | |
276 | esac | |
277 | EOCBU | |
278 | ||
279 | # This script UU/uselargefiles.cbu will get 'called-back' by Configure | |
280 | # after it has prompted the user for whether to use large files. | |
281 | cat > UU/uselargefiles.cbu <<'EOCBU' | |
282 | case "$uselargefiles" in | |
283 | ''|$define|true|[yY]*) | |
284 | # Configure should take care of use64bitint and use64bitall being | |
285 | # defined before uselargefiles.cbu is consulted. | |
286 | if test X"$use64bitint:$quadtype" = X"$define:long" -o X"$use64bitall" = Xdefine; then | |
287 | # Keep these at the left margin. | |
288 | ccflags_uselargefiles="`getconf XBS5_LP64_OFF64_CFLAGS 2>/dev/null`" | |
289 | ldflags_uselargefiles="`getconf XBS5_LP64_OFF64_LDFLAGS 2>/dev/null`" | |
290 | else | |
291 | # Keep these at the left margin. | |
292 | ccflags_uselargefiles="`getconf XBS5_ILP32_OFFBIG_CFLAGS 2>/dev/null`" | |
293 | ldflags_uselargefiles="`getconf XBS5_ILP32_OFFBIG_LDFLAGS 2>/dev/null`" | |
294 | fi | |
295 | if test X"$use64bitint:$quadtype" = X"$define:long" -o X"$use64bitall" = Xdefine; then | |
296 | # Keep this at the left margin. | |
4319409b | 297 | libswanted_uselargefiles="`getconf XBS5_LP64_OFF64_LIBS 2>/dev/null|sed -e 's@^-l@@' -e 's@ -l@ @g'`" |
4d23630a MB |
298 | else |
299 | # Keep this at the left margin. | |
4319409b | 300 | libswanted_uselargefiles="`getconf XBS5_ILP32_OFFBIG_LIBS 2>/dev/null|sed -e 's@^-l@@' -e 's@ -l@ @g'`" |
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301 | fi |
302 | case "$ccflags_uselargefiles$ldflags_uselargefiles$libs_uselargefiles" in | |
303 | '') ;; | |
304 | *) ccflags="$ccflags $ccflags_uselargefiles" | |
305 | ldflags="$ldflags $ldflags_uselargefiles" | |
306 | libswanted="$libswanted $libswanted_uselargefiles" | |
307 | ;; | |
308 | esac | |
309 | case "$gccversion" in | |
310 | '') ;; | |
311 | *) # Remove xlc-specific -qflags. | |
312 | ccflags="`echo $ccflags | sed -e 's@ -q[^ ]*@ @g' -e 's@^-q[^ ]* @@g'`" | |
313 | ldflags="`echo $ldflags | sed -e 's@ -q[^ ]*@ @g' -e 's@^-q[^ ]* @@g'`" | |
314 | # Move xlc-specific -bflags. | |
315 | ccflags="`echo $ccflags | sed -e 's@ -b@ -Wl,-b@g'`" | |
316 | ldflags="`echo ' '$ldflags | sed -e 's@ -b@ -Wl,-b@g'`" | |
317 | lddlflags="`echo ' '$lddlflags | sed -e 's@ -b@ -Wl,-b@g'`" | |
318 | ld='gcc' | |
319 | echo >&4 "(using ccflags $ccflags)" | |
320 | echo >&4 "(using ldflags $ldflags)" | |
321 | echo >&4 "(using lddlflags $lddlflags)" | |
322 | ;; | |
323 | esac | |
324 | ;; | |
325 | esac | |
326 | EOCBU | |
327 | ||
328 | if test $usenativedlopen = 'true' ; then | |
329 | ccflags="$ccflags -DUSE_NATIVE_DLOPEN" | |
330 | case "$cc" in | |
331 | *gcc*) ldflags="$ldflags -Wl,-brtl" ;; | |
332 | *) ldflags="$ldflags -brtl" ;; | |
333 | esac | |
334 | else | |
335 | # If the C++ libraries, libC and libC_r, are available we will | |
336 | # prefer them over the vanilla libc, because the libC contain | |
337 | # loadAndInit() and terminateAndUnload() which work correctly | |
338 | # with C++ statics while libc load() and unload() do not. See | |
339 | # ext/DynaLoader/dl_aix.xs. The C-to-C_r switch is done by | |
340 | # usethreads.cbu, if needed. | |
341 | if test -f /lib/libC.a -a X"`$cc -v 2>&1 | grep gcc`" = X; then | |
342 | # Cify libswanted. | |
343 | set `echo X "$libswanted "| sed -e 's/ c / C c /'` | |
344 | shift | |
345 | libswanted="$*" | |
346 | # Cify lddlflags. | |
347 | set `echo X "$lddlflags "| sed -e 's/ -lc / -lC -lc /'` | |
348 | shift | |
349 | lddlflags="$*" | |
350 | fi | |
351 | fi | |
352 | ||
353 | # EOF |