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annotate build-scripts/makedep.sh @ 2203:fca1cdc673b2

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Fixed bug #428 This fix is overkill, but approved by Doug Lea, and he'll be releasing a new version of his malloc.c sometime next month.
author Sam Lantinga <slouken@libsdl.org>
date Mon, 16 Jul 2007 00:08:35 +0000
parents 14f302c5b32c
children 9f64d06fa168
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"$output" = x; then
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7 echo "SOURCES, INCLUDE, 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 $cache; then
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24 : # We already ahve this cached
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25 else
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26 : >$cache
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27 for path in $base `echo $INCLUDE | sed 's|-I||g'`
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28 do dep="$path/$file"
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29 if test -f "$dep"; then
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30 echo " $dep \\" >>$cache
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31 search_deps $dep >>$cache
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32 break
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33 fi
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34 done
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35 fi
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36 cat $cache
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37 done
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38 }
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39
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40 :>${output}.new
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41 for src in $SOURCES
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42 do echo "Generating dependencies for $src"
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43 ext=`echo $src | sed 's|.*\.\(.*\)|\1|'`
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44 obj=`echo $src | sed "s|^.*/\([^ ]*\)\..*|\1.lo|g"`
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45 echo "\$(objects)/$obj: $src \\" >>${output}.new
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46 search_deps $src | sort | uniq >>${output}.new
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47 case $ext in
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48 c) cat >>${output}.new <<__EOF__
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49
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50 \$(LIBTOOL) --mode=compile \$(CC) \$(CFLAGS) \$(EXTRA_CFLAGS) -c $src -o \$@
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51
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52 __EOF__
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53 ;;
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54 cc) cat >>${output}.new <<__EOF__
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55
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56 \$(LIBTOOL) --mode=compile \$(CC) \$(CFLAGS) \$(EXTRA_CFLAGS) -c $src -o \$@
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57
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58 __EOF__
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59 ;;
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60 m) cat >>${output}.new <<__EOF__
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61
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62 \$(LIBTOOL) --mode=compile \$(CC) \$(CFLAGS) \$(EXTRA_CFLAGS) -c $src -o \$@
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63
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64 __EOF__
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65 ;;
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66 asm) cat >>${output}.new <<__EOF__
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67
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68 \$(LIBTOOL) --tag=CC --mode=compile \$(auxdir)/strip_fPIC.sh \$(NASM) $src -o \$@
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69
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70 __EOF__
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71 ;;
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72 S) cat >>${output}.new <<__EOF__
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73
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74 \$(LIBTOOL) --mode=compile \$(CC) \$(CFLAGS) \$(EXTRA_CFLAGS) -c $src -o \$@
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75
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76 __EOF__
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77 ;;
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78 *) echo "Unknown file extension: $ext";;
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79 esac
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80 echo "" >>${output}.new
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81 done
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82 mv ${output}.new ${output}
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83 rm -f ${cache_prefix}*