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}*