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annotate build-scripts/makedep.sh @ 1388:9a9b87172b4b

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Fixed build dependencies... ugh
author Sam Lantinga <slouken@libsdl.org>
date Mon, 20 Feb 2006 11:29:36 +0000
parents 19418e4422cb
children 7dc446173e37
rev   line source
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1 #!/bin/sh
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2 #
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3 # Generate dependencies from a list of source files
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4
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5 # Check to make sure our environment variables are set
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6 if test x"$INCLUDE" = x -o x"$SOURCES" = x -o x"$objects" = x -o x"$output" = x; then
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7 echo "SOURCES, INCLUDE, objects, and output needs to be set"
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8 exit 1
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9 fi
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10 cache_prefix=".#$$"
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11
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12 generate_var()
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13 {
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14 echo $1 | sed -e 's|^.*/||' -e 's|\.|_|g'
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15 }
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16
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17 search_deps()
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18 {
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19 base=`echo $1 | sed 's|/[^/]*$||'`
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20 grep '#include "' <$1 | sed -e 's|.*"\([^"]*\)".*|\1|' | \
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21 while read file
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22 do cache=${cache_prefix}_`generate_var $file`
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23 if test -f $cache; then
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24 # We already ahve this cached
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25 if test x$2 = x; then
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26 cat $cache
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27 else
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28 cat $cache >>$2
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29 fi
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30 continue;
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31 fi
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32 for path in $base `echo $INCLUDE | sed 's|-I||g'`
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33 do dep="$path/$file"
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34 if test -f "$dep"; then
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35 echo " $dep \\" >>$cache
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36 if test x$2 = x; then
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37 echo " $dep \\"
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38 else
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39 echo " $dep \\" >>$2
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40 fi
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41 search_deps $dep $cache
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42 break
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43 fi
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44 done
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45 done
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46 }
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47
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48 :>${output}.new
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49 for src in $SOURCES
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50 do echo "Generating dependencies for $src"
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51 ext=`echo $src | sed 's|.*\.\(.*\)|\1|'`
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52 obj=`echo $src | sed "s|^.*/\([^ ]*\)\..*|$objects/\1.lo|g"`
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53 echo "$obj: $src \\" >>${output}.new
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54 search_deps $src | sort | uniq >>${output}.new
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55 echo "" >>${output}.new
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56 case $ext in
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57 asm) echo " \$(BUILDASM)" >>${output}.new;;
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58 cc) echo " \$(BUILDCC)" >>${output}.new;;
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59 c) echo " \$(BUILDC)" >>${output}.new;;
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60 m) echo " \$(BUILDM)" >>${output}.new;;
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61 *) echo "Unknown file extension: $ext";;
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62 esac
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63 echo "" >>${output}.new
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64 done
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65 rm -f ${cache_prefix}*
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66 mv ${output}.new ${output}