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#!/bin/bash
# This has to be a separate file from scripts/make.sh so it can be called
# before menuconfig. (It's called again from scripts/make.sh just to be sure.)
source scripts/portability.sh
mkdir -p "$GENDIR"
probecc()
{
${CROSS_COMPILE}${CC} $CFLAGS $LDFLAGS -xc -o /dev/null - "$@"
}
# Probe for a single config symbol with a "compiles or not" test.
# Symbol name is first argument, flags second, feed C file to stdin
probesymbol()
{
probecc "${@:2}" 2>/dev/null && DEFAULT=y || DEFAULT=n
rm a.out 2>/dev/null
echo -e "config $1\n\tbool\n\tdefault $DEFAULT\n" || exit 1
}
probeconfig()
{
# Some commands are android-specific
probesymbol TOYBOX_ON_ANDROID -c << EOF
#ifndef __ANDROID__
#error nope
#endif
EOF
# nommu support
probesymbol TOYBOX_FORK << EOF
#include <unistd.h>
int main(int argc, char *argv[]) { return fork(); }
EOF
echo -e '\tdepends on !TOYBOX_FORCE_NOMMU'
}
genconfig()
{
# Reverse sort puts posix first, examples last.
for j in $(ls toys/*/README | sort -s -r)
do
DIR="$(dirname "$j")"
[ $(ls "$DIR" | wc -l) -lt 2 ] && continue
echo "menu \"$(head -n 1 $j)\""
echo
# extract config stanzas from each source file, in alphabetical order
for i in $(ls -1 $DIR/*.c)
do
# Grab the config block for Config.in
echo "# $i"
$SED -n '/^\*\//q;/^config [A-Z]/,$p' $i || return 1
echo
done
echo endmenu
done
}
probeconfig > "$GENDIR"/Config.probed || rm "$GENDIR"/Config.probed
genconfig > "$GENDIR"/Config.in || rm "$GENDIR"/Config.in
# Find names of commands that can be built standalone in these C files
toys()
{
grep 'TOY(.*)' "$@" | grep -v TOYFLAG_NOFORK | grep -v "0))" | \
$SED -En 's/([^:]*):.*(OLD|NEW)TOY\( *([a-zA-Z][^,]*) *,.*/\1:\3/p'
}
WORKING= PENDING= EXAMPLE=
toys toys/*/*.c | (
while IFS=":" read FILE NAME
do
[ "$NAME" == help ] && continue
[ "$NAME" == install ] && continue
[ "$NAME" == sh ] && FILE="toys/*/*.c"
echo -e "$NAME: $FILE *.[ch] lib/*.[ch]\n\tscripts/single.sh $NAME\n"
echo -e "test_$NAME:\n\tscripts/test.sh $NAME\n"
[ "${FILE/example//}" != "$FILE" ] && EXAMPLE="$EXAMPLE $NAME" ||
[ "${FILE/pending//}" != "$FILE" ] && PENDING="$PENDING $NAME" ||
WORKING="$WORKING $NAME"
done &&
echo -e "clean::\n\t@rm -f $WORKING $PENDING" &&
echo -e "list:\n\t@echo $(echo $WORKING | tr ' ' '\n' | sort | xargs)" &&
echo -e "list_example:\n\t@echo $(echo $EXAMPLE | tr ' ' '\n' | sort | xargs)"&&
echo -e "list_pending:\n\t@echo $(echo $PENDING | tr ' ' '\n' | sort | xargs)"&&
echo -e ".PHONY: $WORKING $PENDING" | $SED 's/ \([^ ]\)/ test_\1/g'
) > .singlemake
|
