git.maemo.org Git - busybox4maemo/blob - scripts/individual

   1 #!/bin/sh
   2
   3 # Compile individual versions of each busybox applet.
   4
   5 if [ $# -eq 0 ]
   6 then
   7
   8 # Clear out the build directory.  (Make clean should do this instead of here.)
   9
  10 rm -rf build
  11 mkdir build
  12
  13 # Make our prerequisites.
  14
  15 make busybox.links include/bb_config.h $(pwd)/{libbb/libbb.a,archival/libunarchive/libunarchive.a,coreutils/libcoreutils/libcoreutils.a,networking/libiproute/libiproute.a}
  16
  17 else
  18 # Could very well be that we want to build an individual applet but have no
  19 # 'build' dir yet..
  20
  21 test -d ./build || mkdir build
  22
  23 fi
  24
  25 # About 3/5 of the applets build from one .c file (with the same name as the
  26 # corresponding applet), and all it needs to link against.  However, to build
  27 # them all we need more than that.
  28
  29 # Figure out which applets need extra libraries added to their command line.
  30
  31 function substithing()
  32 {
  33   if [ "${1/ $3 //}" != "$1" ]
  34   then
  35     echo $2
  36   fi
  37 }
  38
  39 function extra_libraries()
  40 {
  41   # gzip needs gunzip.c (when gunzip is enabled, anyway).
  42   substithing " gzip " "archival/gunzip.c archival/uncompress.c" "$1"
  43
  44   # init needs init_shared.c
  45   substithing " init " "init/init_shared.c" "$1"
  46
  47   # ifconfig needs interface.c
  48   substithing " ifconfig " "networking/interface.c" "$1"
  49
  50   # Applets that need libunarchive.a
  51   substithing " ar bunzip2 unlzma cpio dpkg gunzip rpm2cpio rpm tar uncompress unzip dpkg_deb gzip " "archival/libunarchive/libunarchive.a" "$1"
  52
  53   # Applets that need libcoreutils.a
  54   substithing " cp mv " "coreutils/libcoreutils/libcoreutils.a" "$1"
  55
  56   # Applets that need libiproute.a
  57   substithing " ip " "networking/libiproute/libiproute.a" "$1"
  58
  59   # What needs -libm?
  60   substithing " awk dc " "-lm" "$1"
  61
  62   # What needs -lcrypt?
  63   substithing " httpd vlock " "-lcrypt" "$1"
  64 }
  65
  66 # Query applets.h to figure out which applets need special treatment
  67
  68 strange_names=`sed -rn -e 's/\#.*//' -e 's/.*APPLET_NOUSAGE\(([^,]*),([^,]*),.*/\1 \2/p' -e 's/.*APPLET_ODDNAME\(([^,]*),([^,]*),.*, *([^)]*).*/\1 \2@\3/p' include/applets.h`
  69
  70 function bonkname()
  71 {
  72   while [ $# -gt 0 ]
  73   do
  74     if [ "$APPLET" == "$1" ]
  75     then
  76       APPFILT="${2/@*/}"
  77       if [ "${APPFILT}" == "$2" ]
  78       then
  79         HELPNAME='"nousage\n"'   # These should be _fixed_.
  80       else
  81         HELPNAME="${2/*@/}"_full_usage
  82       fi
  83       break
  84     fi
  85     shift 2
  86   done
  87 #echo APPLET=${APPLET} APPFILT=${APPFILT} HELPNAME=${HELPNAME} 2=${2}
  88 }
  89
  90 # Iterate through every name in busybox.links
  91
  92 function buildit ()
  93 {
  94   export APPLET="$1"
  95   export APPFILT=${APPLET}
  96   export HELPNAME=${APPLET}_full_usage
  97
  98   bonkname $strange_names
  99
 100   j=`find archival console-tools coreutils debianutils editors findutils init loginutils miscutils modutils networking procps shell sysklogd util-linux -name "${APPFILT}.c"`
 101   if [ -z "$j" ]
 102   then
 103     echo no file for $APPLET
 104   else
 105     echo "Building $APPLET"
 106     gcc -Os -o build/$APPLET applets/individual.c $j \
 107         `extra_libraries $APPFILT` libbb/libbb.a -Iinclude \
 108         -DBUILD_INDIVIDUAL \
 109         '-Drun_applet_and_exit(...)' '-Dfind_applet_by_name(...)=0' \
 110         -DAPPLET_main=${APPFILT}_main -DAPPLET_full_usage=${HELPNAME}
 111     if [ $? -ne 0 ];
 112     then
 113       echo "Failed $APPLET"
 114     fi
 115   fi
 116 }
 117
 118 if [ $# -eq 0 ]
 119 then
 120   for APPLET in `sed 's .*/  ' busybox.links`
 121   do
 122     buildit "$APPLET"
 123   done
 124 else
 125   buildit "$1"
 126 fi
 127
 128
 129 strip build/*