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annotate libinterp/build-env-features.sh @ 22516:b3268dbf9781

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build: fix build-env-features substitution pattern for non-GNU awk (bug #49126) * build-env-features.sh: Fix regular expression for clarity and to be compatible with non-GNU awks (e.g. BSD awk).
author Mike Miller <mtmiller@octave.org>
date Mon, 19 Sep 2016 16:42:59 -0700
parents 7b48be706e28
children 592fa741e0aa
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 #! /bin/sh
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2
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3 ## Attempt to get traditional sort behavior based on byte values.
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4 LC_ALL=C
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5 export LC_ALL
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6
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7 set -e
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8
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9 AWK=${AWK:-awk}
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10
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11 conffile=$1
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12
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13 cat << EOF
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14 // DO NOT EDIT! Generated automatically from $conffile by Make."
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15
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16 #if defined (HAVE_CONFIG_H)
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17 # include "config.h"
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18 #endif
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19
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20 #include "build-env.h"
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21 #include "ov.h"
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22
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23 namespace octave
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24 {
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25 namespace build_env
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26 {
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27 octave_scalar_map
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28 features (void)
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29 {
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30 static bool initialized = false;
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31
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32 static octave_scalar_map m;
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33
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34 if (! initialized)
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35 {
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36 static octave_value ov_true = (true);
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37 static octave_value ov_false = (false);
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38
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39 EOF
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40
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41 $AWK \
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42 '/#define (OCTAVE_HAVE|HAVE)_/ {
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43 sub (/(OCTAVE_HAVE|HAVE)_/, "", $2);
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44 printf (" m.assign (\"%s\", ov_true);\n", $2);
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45 }
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46 /\/\* #undef (OCTAVE_HAVE|HAVE)_/ {
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47 sub (/(OCTAVE_HAVE|HAVE)_/, "", $3);
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48 printf (" m.assign (\"%s\", ov_false);\n", $3);
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49 } {
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50 }' $conffile | sort
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51
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52 cat << EOF
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53
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54 initialized = true;
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55 }
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56
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57 return m;
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58 }
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59 };
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60 };
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61 EOF