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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 | alignbytes=8 |
19 | |
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20 | usemymalloc='n' |
21 | |
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22 | so="a" |
23 | dlext="so" |
24 | |
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25 | # Make setsockopt work correctly. See man page. |
26 | # ccflags='-D_BSD=44' |
27 | |
28 | # uname -m output is too specific and not appropriate here |
29 | case "$archname" in |
30 | '') archname="$osname" ;; |
31 | esac |
32 | |
33 | case "$osvers" in |
34 | 3*) d_fchmod=undef |
35 | ccflags='-D_ALL_SOURCE' |
36 | ;; |
37 | *) # These hints at least work for 4.x, possibly other systems too. |
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38 | ccflags='-D_ALL_SOURCE -D_ANSI_C_SOURCE -D_POSIX_SOURCE' |
39 | case "$cc" in |
40 | *gcc*) ;; |
41 | *) ccflags="-qmaxmem=8192 $ccflags" ;; |
42 | esac |
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43 | nm_opt='-B' |
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44 | ;; |
45 | esac |
46 | |
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47 | # These functions don't work like Perl expects them to. |
48 | d_setregid='undef' |
49 | d_setreuid='undef' |
50 | |
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51 | # The optimizer in 4.1.1 apparently generates bad code for scope.c. |
52 | # Configure doesn't offer an easy way to propagate extra variables |
53 | # only for certain cases, so the following contortion is required: |
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54 | # This is probably not needed in 5.002 and later. |
55 | # scope_cflags='case "$osvers" in 4.1*) optimize=" ";; esac' |
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56 | |
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57 | # Changes for dynamic linking by Wayne Scott <wscott@ichips.intel.com> |
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58 | # |
59 | # Tell perl which symbols to export for dynamic linking. |
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60 | case "$cc" in |
61 | *gcc*) ccdlflags='-Xlinker -bE:perl.exp' ;; |
62 | *) ccdlflags='-bE:perl.exp' ;; |
63 | esac |
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64 | |
65 | # The first 3 options would not be needed if dynamic libs. could be linked |
66 | # with the compiler instead of ld. |
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67 | # -bI:$(PERL_INC)/perl.exp Read the exported symbols from the perl binary |
68 | # -bE:$(BASEEXT).exp Export these symbols. This file contains only one |
69 | # symbol: boot_$(EXP) can it be auto-generated? |
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70 | case "$osvers" in |
71 | 3*) |
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72 | lddlflags='-H512 -T512 -bhalt:4 -bM:SRE -bI:$(PERL_INC)/perl.exp -bE:$(BASEEXT).exp -e _nostart -lc' |
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73 | ;; |
74 | *) |
75 | lddlflags='-H512 -T512 -bhalt:4 -bM:SRE -bI:$(PERL_INC)/perl.exp -bE:$(BASEEXT).exp -b noentry -lc' |
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76 | |
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77 | ;; |
78 | esac |
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79 | |
80 | if [ "X$usethreads" != "X" ]; then |
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81 | ccflags="-DUSE_THREADS -DNEED_PTHREAD_INIT $ccflags" |
82 | cppflags="-DUSE_THREADS -DNEED_PTHREAD_INIT $cppflags" |
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83 | case "$cc" in |
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84 | xlc_r | cc_r) |
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85 | ;; |
86 | cc | '') |
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87 | cc=xlc_r # Let us be stricter. |
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88 | ;; |
89 | *) |
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90 | cat >&4 <<EOM |
91 | Unknown C compiler '$cc'. |
92 | For pthreads you should use the AIX C compilers xlc_r or cc_r. |
93 | Cannot continue, aborting. |
94 | EOM |
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95 | exit 1 |
96 | ;; |
97 | esac |
98 | |
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99 | # Add the POSIX threads library and the re-entrant libc. |
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100 | |
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101 | lddlflags=`echo $lddlflags | sed 's/ -lc$/ -lpthreads -lc_r -lc/'` |
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102 | fi |