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1 | # hints/aix.sh |
2 | # AIX 3.x.x hints thanks to Wayne Scott <wscott@ichips.intel.com> |
3 | # AIX 4.1 hints thanks to Christopher Chan-Nui <channui@austin.ibm.com>. |
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4 | # AIX 4.1 pthreading by Christopher Chan-Nui <channui@austin.ibm.com> and |
5 | # Jarkko Hietaniemi <jhi@iki.fi>. |
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6 | # Merged on Mon Feb 6 10:22:35 EST 1995 by |
7 | # Andy Dougherty <doughera@lafcol.lafayette.edu> |
8 | |
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9 | # |
10 | # Contact dfavor@corridor.com for any of the following: |
11 | # |
12 | # - AIX 43x and above support |
13 | # - gcc + threads support |
14 | # - socks support |
15 | # |
16 | # Apr 99 changes: |
17 | # |
18 | # - use nm in AIX 43x and above |
19 | # - gcc + threads now builds |
20 | # - added support for socks, when Dccflags=-DSOCKS specified |
21 | # |
22 | # Notes: |
23 | # |
24 | # - shared libperl support is tricky. if ever libperl.a ends up |
25 | # in /usr/local/lib/* it can override any subsequent builds of |
26 | # that same perl release. to make sure you know where the shared |
27 | # libperl.a is coming from do a 'dump -Hv perl' and check all the |
28 | # library search paths in the loader header. |
29 | # |
30 | # it would be nice to warn the user if a libperl.a exists that is |
31 | # going to override the current build, but that would be complex. |
32 | # |
33 | # better yet, a solid fix for this situation should be developed. |
34 | # |
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35 | |
36 | # Configure finds setrgid and setruid, but they're useless. The man |
37 | # pages state: |
38 | # setrgid: The EPERM error code is always returned. |
39 | # setruid: The EPERM error code is always returned. Processes cannot |
40 | # reset only their real user IDs. |
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41 | d_setrgid='undef' |
42 | d_setruid='undef' |
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43 | |
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44 | alignbytes=8 |
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45 | |
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46 | usemymalloc='n' |
47 | |
48 | # Intuiting the existence of system calls under AIX is difficult, |
49 | # at best; the safest technique is to find them empirically. |
50 | |
51 | # AIX 4.3.* and above default to using nm for symbol extraction |
52 | case "$osvers" in |
53 | 3.*|4.1.*|4.2.*) |
54 | usenm='undef' |
55 | ;; |
56 | *) |
57 | usenm='true' |
58 | ;; |
59 | esac |
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60 | |
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61 | so="a" |
62 | dlext="so" |
63 | |
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64 | # Trying to set this breaks the POSIX.c compilation |
65 | |
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66 | # Make setsockopt work correctly. See man page. |
67 | # ccflags='-D_BSD=44' |
68 | |
69 | # uname -m output is too specific and not appropriate here |
70 | case "$archname" in |
71 | '') archname="$osname" ;; |
72 | esac |
73 | |
74 | case "$osvers" in |
75 | 3*) d_fchmod=undef |
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76 | ccflags="$ccflags -D_ALL_SOURCE" |
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77 | ;; |
78 | *) # These hints at least work for 4.x, possibly other systems too. |
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79 | ccflags="$ccflags -D_ALL_SOURCE -D_ANSI_C_SOURCE -D_POSIX_SOURCE" |
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80 | case "$cc" in |
81 | *gcc*) ;; |
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82 | *) ccflags="$ccflags -qmaxmem=8192" ;; |
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83 | esac |
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84 | nm_opt='-B' |
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85 | ;; |
86 | esac |
87 | |
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88 | # These functions don't work like Perl expects them to. |
89 | d_setregid='undef' |
90 | d_setreuid='undef' |
91 | |
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92 | # Changes for dynamic linking by Wayne Scott <wscott@ichips.intel.com> |
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93 | # |
94 | # Tell perl which symbols to export for dynamic linking. |
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95 | case "$cc" in |
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96 | *gcc*) ccdlflags='-Xlinker -bE:perl.exp' ;; |
97 | *) ccdlflags='-bE:perl.exp' ;; |
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98 | esac |
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99 | |
100 | # The first 3 options would not be needed if dynamic libs. could be linked |
101 | # with the compiler instead of ld. |
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102 | # -bI:$(PERL_INC)/perl.exp Read the exported symbols from the perl binary |
103 | # -bE:$(BASEEXT).exp Export these symbols. This file contains only one |
104 | # symbol: boot_$(EXP) can it be auto-generated? |
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105 | case "$osvers" in |
106 | 3*) |
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107 | lddlflags="$lddlflags -H512 -T512 -bhalt:4 -bM:SRE -bI:$(PERL_INC)/perl.exp -bE:$(BASEEXT).exp -e _nostart" |
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108 | ;; |
109 | *) |
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110 | lddlflags="$lddlflags -bhalt:4 -bM:SRE -bI:$(PERL_INC)/perl.exp -bE:$(BASEEXT).exp -b noentry" |
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111 | ;; |
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112 | esac |
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113 | |
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114 | # |
115 | # if $ccflags contains -DSOCKS, then add socks library support. |
116 | # |
117 | # SOCKS support also requires each source module with socket support |
118 | # add the following lines directly after the #include <socket.h>: |
119 | # |
120 | # #ifdef SOCKS |
121 | # #include <socks.h> |
122 | # #endif |
123 | # |
124 | # It is expected that libsocks.a resides in /usr/local/lib and that |
125 | # socks.h resides in /usr/local/include. If these files live some |
126 | # different place then modify |
127 | # |
128 | |
129 | for arg in $ccflags ; do |
130 | |
131 | if [ "$arg" = "-DSOCKS" ] ; then |
132 | |
133 | sockslib=socks5 |
134 | incpath=/usr/local/include |
135 | libpath=/usr/local/lib |
136 | |
137 | echo >&4 "SOCKS using $incpath/socks.h and $libpath/lib${sockslib}.a" |
138 | echo >&4 "SOCKS requires source modifications. #include <socket.h> must change to:" |
139 | echo >&4 |
140 | echo >&4 " #include <socket.h>" |
141 | echo >&4 " #ifdef SOCKS" |
142 | echo >&4 " #include <socks.h>" |
143 | echo >&4 " #endif" |
144 | echo >&4 |
145 | echo >&4 "in some or all of the following files:" |
146 | echo >&4 |
147 | |
148 | for arg in `find . \( -name '*.c' -o -name '*.xs' -o -name '*.h' \) \ |
149 | -exec egrep -l '#.*include.*socket\.h' {} \; | \ |
150 | egrep -v "win32|vms|t/lib|Socket.c` ; do |
151 | echo >&4 " $arg" |
152 | done |
153 | |
154 | echo >&4 |
155 | |
156 | lddlflags="$lddlflags -l$sockslib" |
157 | |
158 | # setting $libs here breaks the optional libraries search |
159 | # for some reason, so use $libswanted instead |
160 | #libs="$libs -lsocks5" |
161 | |
162 | libswanted="$libswanted $sockslib" |
163 | |
164 | # |
165 | # path for include file |
166 | # |
167 | |
168 | locincpth="$locincpath /usr/local/include" |
169 | |
170 | # |
171 | # path for library not needed, if in /usr/local/lib as that |
172 | # directory is already searched. |
173 | # |
174 | |
175 | #loclibpth="$loclibpath /usr/local/lib" |
176 | |
177 | break |
178 | |
179 | fi |
180 | |
181 | done |
182 | |
183 | lddllibc="-lc" |
184 | |
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185 | # This script UU/usethreads.cbu will get 'called-back' by Configure |
186 | # after it has prompted the user for whether to use threads. |
187 | cat > UU/usethreads.cbu <<'EOCBU' |
188 | case "$usethreads" in |
189 | $define|true|[yY]*) |
190 | ccflags="$ccflags -DNEED_PTHREAD_INIT" |
191 | case "$cc" in |
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192 | gcc) ;; |
193 | cc_r) ;; |
194 | cc|xlc_r) |
195 | echo >&4 "Switching cc to cc_r because of POSIX threads." |
196 | # xlc_r has been known to produce buggy code in AIX 4.3.2. |
197 | # (e.g. pragma/overload core dumps) |
198 | # --jhi@iki.fi |
199 | cc=cc_r |
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200 | ;; |
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201 | '') |
202 | cc=cc_r |
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203 | ;; |
204 | *) |
205 | cat >&4 <<EOM |
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206 | For pthreads you should use the AIX C compiler cc_r. |
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207 | (now your compiler was '$cc') |
208 | Cannot continue, aborting. |
209 | EOM |
210 | exit 1 |
211 | ;; |
212 | esac |
213 | |
214 | # Add the POSIX threads library and the re-entrant libc. |
215 | |
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216 | lddllibc="-lpthreads -lc_r" |
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217 | |
218 | # Add the c_r library to the list of wanted libraries. |
219 | # Make sure the c_r library is before the c library or |
220 | # make will fail. |
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221 | set `echo X "$libswanted "| sed -e 's/ c / pthreads c_r /'` |
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222 | shift |
223 | libswanted="$*" |
224 | ;; |
225 | esac |
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226 | |
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227 | EOCBU |
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228 | |
229 | lddlflags="$lddlflags $lddllibc" |