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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 | |
9 | |
10 | # Configure finds setrgid and setruid, but they're useless. The man |
11 | # pages state: |
12 | # setrgid: The EPERM error code is always returned. |
13 | # setruid: The EPERM error code is always returned. Processes cannot |
14 | # reset only their real user IDs. |
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15 | d_setrgid='undef' |
16 | d_setruid='undef' |
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17 | |
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18 | # Neither do these functions work like Perl expects them to. |
19 | d_setregid='undef' |
20 | d_setreuid='undef' |
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21 | |
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22 | alignbytes=8 |
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23 | |
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24 | # Intuiting the existence of system calls under AIX is difficult, at best; |
25 | # the safest (and slowest...) technique is to find them empirically. |
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26 | usenm='undef' |
27 | |
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28 | so="a" |
29 | dlext="so" |
30 | |
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31 | # Make setsockopt work correctly. See man page. |
32 | # ccflags='-D_BSD=44' |
33 | |
34 | # uname -m output is too specific and not appropriate here |
35 | case "$archname" in |
36 | '') archname="$osname" ;; |
37 | esac |
38 | |
39 | case "$osvers" in |
40 | 3*) d_fchmod=undef |
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41 | ccflags="$ccflags -D_ALL_SOURCE" |
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42 | ;; |
43 | *) # These hints at least work for 4.x, possibly other systems too. |
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44 | ccflags="$ccflags -D_ALL_SOURCE -D_ANSI_C_SOURCE -D_POSIX_SOURCE" |
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45 | case "$cc" in |
46 | *gcc*) ;; |
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47 | *) ccflags="$ccflags -qmaxmem=8192" ;; |
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48 | esac |
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49 | nm_opt='-B' |
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50 | ;; |
51 | esac |
52 | |
53 | # Changes for dynamic linking by Wayne Scott <wscott@ichips.intel.com> |
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54 | # |
55 | # Tell perl which symbols to export for dynamic linking. |
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56 | case "$cc" in |
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57 | *gcc*) ccdlflags="$ccdlflags -Xlinker" ;; |
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58 | esac |
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59 | ccdlflags="$ccdlflags -bE:perl.exp" |
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60 | |
61 | # The first 3 options would not be needed if dynamic libs. could be linked |
62 | # with the compiler instead of ld. |
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63 | # -bI:$(PERL_INC)/perl.exp Read the exported symbols from the perl binary |
64 | # -bE:$(BASEEXT).exp Export these symbols. This file contains only one |
65 | # symbol: boot_$(EXP) can it be auto-generated? |
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66 | case "$osvers" in |
67 | 3*) |
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68 | lddlflags="$lddlflags -H512 -T512 -bhalt:4 -bM:SRE -bI:$(PERL_INC)/perl.exp -bE:$(BASEEXT).exp -e _nostart -lc" |
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69 | ;; |
70 | *) |
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71 | lddlflags="$lddlflags -bhalt:4 -bM:SRE -bI:$(PERL_INC)/perl.exp -bE:$(BASEEXT).exp -b noentry -lc" |
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72 | ;; |
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73 | esac |
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74 | |
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75 | # This script UU/usethreads.cbu will get 'called-back' by Configure |
76 | # after it has prompted the user for whether to use threads. |
77 | cat > UU/usethreads.cbu <<'EOCBU' |
78 | case "$usethreads" in |
79 | $define|true|[yY]*) |
80 | ccflags="$ccflags -DNEED_PTHREAD_INIT" |
81 | case "$cc" in |
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82 | xlc_r) ;; |
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83 | cc) |
84 | echo >&4 "Switching cc to xlc_r because of POSIX threads." |
85 | cc=xlc_r |
86 | ;; |
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87 | '' | cc_r) |
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88 | cc=xlc_r |
89 | ;; |
90 | *) |
91 | cat >&4 <<EOM |
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92 | For pthreads you should use the AIX C compiler xlc_r. |
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93 | (now your compiler was '$cc') |
94 | Cannot continue, aborting. |
95 | EOM |
96 | exit 1 |
97 | ;; |
98 | esac |
99 | |
100 | # Add the POSIX threads library and the re-entrant libc. |
101 | |
102 | lddlflags=`echo $lddlflags | sed 's/ -lc$/ -lpthreads -lc_r -lc/'` |
103 | |
104 | # Add the c_r library to the list of wanted libraries. |
105 | # Make sure the c_r library is before the c library or |
106 | # make will fail. |
107 | set `echo X "$libswanted "| sed -e 's/ c / c_r c /'` |
108 | shift |
109 | libswanted="$*" |
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110 | |
111 | # Perl's malloc doesn't survive threaded AIX. |
112 | case "$usemymalloc" in |
113 | '') usemymalloc='n' ;; |
114 | esac |
115 | |
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116 | ;; |
117 | esac |
118 | EOCBU |