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