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annotate build-scripts/makedep.sh @ 1391:7dc446173e37

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Blargle-fnargle dependencies and build rules
author Sam Lantinga <slouken@libsdl.org>
date Mon, 20 Feb 2006 12:45:51 +0000
parents 9a9b87172b4b
children a4c05c115bb7
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 BUILDC="\\\$\\(LIBTOOL\\) --mode=compile \\\$\\(CC\\) \\\$\\(CFLAGS\\) -c \$src -o \\\$@"
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6 BUILDCC=$BUILDC
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7 BUILDM=$BUILDC
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8 BUILDASM="\\\$\\(LIBTOOL\\) --tag=CC --mode=compile \\\$\\(auxdir\\)/strip_fPIC.sh \\\$\\(NASM\\) \$src -o \\\$@"
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9
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10 # Check to make sure our environment variables are set
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11 if test x"$INCLUDE" = x -o x"$SOURCES" = x -o x"$objects" = x -o x"$output" = x; then
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12 echo "SOURCES, INCLUDE, objects, and output needs to be set"
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13 exit 1
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14 fi
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15 cache_prefix=".#$$"
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16
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17 generate_var()
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18 {
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19 echo $1 | sed -e 's|^.*/||' -e 's|\.|_|g'
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20 }
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21
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22 search_deps()
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23 {
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24 base=`echo $1 | sed 's|/[^/]*$||'`
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25 grep '#include "' <$1 | sed -e 's|.*"\([^"]*\)".*|\1|' | \
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26 while read file
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27 do cache=${cache_prefix}_`generate_var $file`
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28 if test -f $cache; then
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29 : # We already ahve this cached
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30 else
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31 : >$cache
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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 search_deps $dep >>$cache
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37 break
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38 fi
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39 done
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40 fi
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41 cat $cache
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42 done
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43 }
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44
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45 :>${output}.new
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46 for src in $SOURCES
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47 do echo "Generating dependencies for $src"
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48 ext=`echo $src | sed 's|.*\.\(.*\)|\1|'`
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49 obj=`echo $src | sed "s|^.*/\([^ ]*\)\..*|$objects/\1.lo|g"`
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50 echo "$obj: $src \\" >>${output}.new
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51 search_deps $src | sort | uniq >>${output}.new
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52 echo "" >>${output}.new
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53 case $ext in
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54 c) eval echo \\" $BUILDC\\" >>${output}.new;;
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55 cc) eval echo \\" $BUILDCC\\" >>${output}.new;;
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56 m) eval echo \\" $BUILDM\\" >>${output}.new;;
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57 asm) eval echo \\" $BUILDASM\\" >>${output}.new;;
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58 *) echo "Unknown file extension: $ext";;
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59 esac
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60 echo "" >>${output}.new
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61 done
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62 mv ${output}.new ${output}