annotate src/s/aix4.h @ 2936:7726019e0fc7

[xemacs-hg @ 2005-09-16 21:51:28 by viteno] Update xemacs_extra_name.
author viteno
date Fri, 16 Sep 2005 21:51:28 +0000
parents 943eaba38521
children
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1 #define AIX4
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2
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3 #include "aix3-2-5.h"
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4
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5 /* AIX 4 does not have HFT any more. */
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6 #undef AIXHFT
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7
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8 #ifndef NOT_C_CODE
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9 #define _XFUNCS_H_ 1
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10
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11 /* #### we don't use either any more. some AIX user should delete the include
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12 and see if anything breaks. --ben */
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13 /* AIX is happier when bzero and strcasecmp are declared */
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14 #include "strings.h"
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15
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16 /* Forward declarations for xlc warning suppressions */
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17 struct ether_addr;
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18 struct sockaddr_dl;
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19
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20 #ifdef __xlC__ /* "eXceLlent C compiler" ?! */
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21 #if __xlC__ >= 1200
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22 /* IBM's C compiler option `-O3' is too aggressive.
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23 We recommend instead the combination `-O3 -qstrict', which seems safe.
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24
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25 cc -O3 miscompiles at least two functions. From IBM's docs:
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27 IBM> -qstrict turns off the following optimizations:
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29 IBM> Performing code motion and scheduling on computations such as loads
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30 IBM> and floating-point computations that may trigger an exception.
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31
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32 Nevertheless, we try to work with these compiler options. */
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33 #pragma option_override (bytecount_to_charcount, "opt(strict,yes)")
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34 #pragma option_override (Fexpand_file_name, "opt(strict,yes)")
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35 #endif /* recent IBM C compiler */
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36 #endif /* IBM's C compiler */
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37
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38 #endif /* C code */
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39
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40 /* getaddrinfo is broken in AIX 4.3 as per IY04165.
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41 At this time (2/21/2000), there's no PTF available.
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42 -- Mike Sperber <mike@xemacs.org> */
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43
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44 #undef HAVE_GETADDRINFO