build-scripts/makedep.sh

   1 #!/bin/sh
   2 #
   3 # Generate dependencies from a list of source files
   4
   5 # Check to make sure our environment variables are set
   6 if test x"$INCLUDE" = x -o x"$SOURCES" = x -o x"$output" = x; then
   7     echo "SOURCES, INCLUDE, and output needs to be set"
   8     exit 1
   9 fi
  10 cache_prefix=".#$$"
  11
  12 generate_var()
  13 {
  14     echo $1 | sed -e 's|^.*/||' -e 's|\.|_|g'
  15 }
  16
  17 search_deps()
  18 {
  19     base=`echo $1 | sed 's|/[^/]*$||'`
  20     grep '#include "' <$1 | sed -e 's|.*"\([^"]*\)".*|\1|' | \
  21     while read file
  22     do cache=${cache_prefix}_`generate_var $file`
  23        if test -f $cache; then
  24           : # We already ahve this cached
  25        else
  26            : >$cache
  27            for path in $base `echo $INCLUDE | sed 's|-I||g'`
  28            do dep="$path/$file"
  29               if test -f "$dep"; then
  30                  echo " $dep \\" >>$cache
  31                  search_deps $dep >>$cache
  32                  break
  33               fi
  34            done
  35        fi
  36        cat $cache
  37     done
  38 }
  39
  40 :>${output}.new
  41 for src in $SOURCES
  42 do  echo "Generating dependencies for $src"
  43     ext=`echo $src | sed 's|.*\.\(.*\)|\1|'`
  44     if test x"$ext" = x"rc"; then
  45         obj=`echo $src | sed "s|^.*/\([^ ]*\)\..*|\1.o|g"`
  46     else
  47         obj=`echo $src | sed "s|^.*/\([^ ]*\)\..*|\1.lo|g"`
  48     fi
  49     echo "\$(objects)/$obj: $src \\" >>${output}.new
  50     search_deps $src | sort | uniq >>${output}.new
  51     case $ext in
  52         c) cat >>${output}.new <<__EOF__
  53
  54         \$(LIBTOOL) --mode=compile \$(CC) \$(CFLAGS) \$(EXTRA_CFLAGS) -c $src  -o \$@
  55
  56 __EOF__
  57         ;;
  58         cc) cat >>${output}.new <<__EOF__
  59
  60         \$(LIBTOOL) --mode=compile \$(CC) \$(CFLAGS) \$(EXTRA_CFLAGS) -c $src  -o \$@
  61
  62 __EOF__
  63         ;;
  64         m) cat >>${output}.new <<__EOF__
  65
  66         \$(LIBTOOL) --mode=compile \$(CC) \$(CFLAGS) \$(EXTRA_CFLAGS) -c $src  -o \$@
  67
  68 __EOF__
  69         ;;
  70         asm) cat >>${output}.new <<__EOF__
  71
  72         \$(LIBTOOL) --tag=CC --mode=compile \$(auxdir)/strip_fPIC.sh \$(NASM) $src -o \$@
  73
  74 __EOF__
  75         ;;
  76         S) cat >>${output}.new <<__EOF__
  77
  78         \$(LIBTOOL)  --mode=compile \$(CC) \$(CFLAGS) \$(EXTRA_CFLAGS) -c $src  -o \$@
  79
  80 __EOF__
  81         ;;
  82         rc) cat >>${output}.new <<__EOF__
  83
  84         \$(WINDRES) $src \$@
  85
  86 __EOF__
  87         ;;
  88         *)   echo "Unknown file extension: $ext";;
  89     esac
  90     echo "" >>${output}.new
  91 done
  92 mv ${output}.new ${output}
  93 rm -f ${cache_prefix}*