130 lines
3.2 KiB
Bash
Executable File
130 lines
3.2 KiB
Bash
Executable File
#!/bin/sh
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# Compile individual versions of each busybox applet.
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if [ $# -eq 0 ]
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then
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# Clear out the build directory. (Make clean should do this instead of here.)
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rm -rf build
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mkdir build
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# Make our prerequisites.
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make busybox.links include/bb_config.h $(pwd)/{libbb/libbb.a,archival/libunarchive/libunarchive.a,coreutils/libcoreutils/libcoreutils.a,networking/libiproute/libiproute.a}
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else
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# Could very well be that we want to build an individual applet but have no
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# 'build' dir yet..
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test -d ./build || mkdir build
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fi
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# About 3/5 of the applets build from one .c file (with the same name as the
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# corresponding applet), and all it needs to link against. However, to build
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# them all we need more than that.
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# Figure out which applets need extra libraries added to their command line.
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function substithing()
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{
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if [ "${1/ $3 //}" != "$1" ]
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then
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echo $2
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fi
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}
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function extra_libraries()
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{
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# gzip needs gunzip.c (when gunzip is enabled, anyway).
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substithing " gzip " "archival/gunzip.c archival/uncompress.c" "$1"
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# init needs init_shared.c
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substithing " init " "init/init_shared.c" "$1"
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# ifconfig needs interface.c
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substithing " ifconfig " "networking/interface.c" "$1"
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# Applets that need libunarchive.a
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substithing " ar bunzip2 unlzma cpio dpkg gunzip rpm2cpio rpm tar uncompress unzip dpkg_deb gzip " "archival/libunarchive/libunarchive.a" "$1"
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# Applets that need libcoreutils.a
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substithing " cp mv " "coreutils/libcoreutils/libcoreutils.a" "$1"
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# Applets that need libiproute.a
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substithing " ip " "networking/libiproute/libiproute.a" "$1"
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# What needs -libm?
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substithing " awk dc " "-lm" "$1"
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# What needs -lcrypt?
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substithing " httpd vlock " "-lcrypt" "$1"
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}
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# Query applets.h to figure out which applets need special treatment
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strange_names=`sed -rn -e 's/\#.*//' -e 's/.*APPLET_NOUSAGE\(([^,]*),([^,]*),.*/\1 \2/p' -e 's/.*APPLET_ODDNAME\(([^,]*),([^,]*),.*, *([^)]*).*/\1 \2@\3/p' include/applets.h`
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function bonkname()
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{
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while [ $# -gt 0 ]
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do
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if [ "$APPLET" == "$1" ]
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then
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APPFILT="${2/@*/}"
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if [ "${APPFILT}" == "$2" ]
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then
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HELPNAME='"nousage\n"' # These should be _fixed_.
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else
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HELPNAME="${2/*@/}"_full_usage
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fi
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break
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fi
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shift 2
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done
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#echo APPLET=${APPLET} APPFILT=${APPFILT} HELPNAME=${HELPNAME} 2=${2}
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}
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# Iterate through every name in busybox.links
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function buildit ()
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{
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export APPLET="$1"
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export APPFILT=${APPLET}
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export HELPNAME=${APPLET}_full_usage
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bonkname $strange_names
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j=`find archival console-tools coreutils debianutils editors findutils init loginutils miscutils modutils networking procps shell sysklogd util-linux -name "${APPFILT}.c"`
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if [ -z "$j" ]
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then
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echo no file for $APPLET
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else
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echo "Building $APPLET"
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gcc -Os -o build/$APPLET applets/individual.c $j \
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`extra_libraries $APPFILT` libbb/libbb.a -Iinclude \
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-DBUILD_INDIVIDUAL \
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'-Drun_applet_and_exit(...)' '-Dfind_applet_by_name(...)=0' \
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-DAPPLET_main=${APPFILT}_main -DAPPLET_full_usage=${HELPNAME}
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if [ $? -ne 0 ];
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then
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echo "Failed $APPLET"
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fi
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fi
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}
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if [ $# -eq 0 ]
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then
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for APPLET in `sed 's .*/ ' busybox.links`
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do
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buildit "$APPLET"
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done
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else
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buildit "$1"
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fi
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strip build/*
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