3 # This has to be a separate file from scripts/make.sh so it can be called
4 # before menuconfig. (It's called again from scripts/make.sh just to be sure.)
12 ${CROSS_COMPILE}${CC} $CFLAGS -xc -o /dev/null $1 -
15 # Probe for a single config symbol with a "compiles or not" test.
16 # Symbol name is first argument, flags second, feed C file to stdin
19 probecc $2 2>/dev/null && DEFAULT=y || DEFAULT=n
21 echo -e "config $1\n\tbool" || exit 1
22 echo -e "\tdefault $DEFAULT\n" || exit 1
28 # llvm produces its own really stupid warnings about things that aren't wrong,
29 # and although you can turn the warning off, gcc reacts badly to command line
30 # arguments it doesn't understand. So probe.
31 [ -z "$(probecc -Wno-string-plus-int <<< \#warn warn 2>&1 | grep string-plus-int)" ] &&
32 echo -Wno-string-plus-int >> generated/cflags
34 # Probe for container support on target
35 probesymbol TOYBOX_CONTAINER << EOF
36 #include <linux/sched.h>
37 int x=CLONE_NEWNS|CLONE_NEWUTS|CLONE_NEWIPC|CLONE_NEWNET;
39 int main(int argc, char *argv[]) { return unshare(x); }
42 probesymbol TOYBOX_FIFREEZE -c << EOF
49 # Work around some uClibc limitations
50 probesymbol TOYBOX_ICONV -c << EOF
53 probesymbol TOYBOX_FALLOCATE << EOF
56 int main(int argc, char *argv[]) { return posix_fallocate(0,0,0); }
59 # Android and some other platforms miss utmpx
60 probesymbol TOYBOX_UTMPX -c << EOF
65 int main(int argc, char *argv[]) {
67 if (0 != (a = getutxent())) return 0;
72 # Android is missing shadow.h
73 probesymbol TOYBOX_SHADOW -c << EOF
75 int main(int argc, char *argv[]) {
76 struct spwd *a = getspnam("root"); return 0;
80 # Some commands are android-specific
81 probesymbol TOYBOX_ON_ANDROID -c << EOF
88 probesymbol TOYBOX_FORK << EOF
90 int main(int argc, char *argv[]) { return fork(); }
92 echo -e '\tdepends on !TOYBOX_MUSL_NOMMU_IS_BROKEN'
97 # Reverse sort puts posix first, examples last.
98 for j in $(ls toys/*/README | sort -r)
100 DIR="$(dirname "$j")"
102 [ $(ls "$DIR" | wc -l) -lt 2 ] && continue
104 echo "menu \"$(head -n 1 $j)\""
107 # extract config stanzas from each source file, in alphabetical order
108 for i in $(ls -1 $DIR/*.c)
110 # Grab the config block for Config.in
112 sed -n '/^\*\//q;/^config [A-Z]/,$p' $i || return 1
120 probeconfig > generated/Config.probed || rm generated/Config.probed
121 genconfig > generated/Config.in || rm generated/Config.in
123 # Find names of commands that can be built standalone in these C files
126 grep 'TOY(.*)' "$@" | grep -v TOYFLAG_NOFORK | grep -v "0))" | \
127 sed -rn 's/([^:]*):.*(OLD|NEW)TOY\( *([a-zA-Z][^,]*) *,.*/\1:\3/p'
133 while IFS=":" read FILE NAME
135 [ "$NAME" == help ] && continue
136 [ "$NAME" == install ] && continue
137 echo -e "$NAME: $FILE *.[ch] lib/*.[ch]\n\tscripts/single.sh $NAME\n"
138 echo -e "test_$NAME:\n\tscripts/test.sh $NAME\n"
139 [ "${FILE/pending//}" != "$FILE" ] &&
140 PENDING="$PENDING $NAME" ||
141 WORKING="$WORKING $NAME"
142 done > .singlemake &&
143 echo -e "clean::\n\trm -f $WORKING $PENDING" >> .singlemake &&
144 echo -e "list:\n\t@echo $(echo $WORKING $PENDING | tr ' ' '\n' | sort | xargs)"\
146 echo -e "list_working:\n\t@echo $(echo $WORKING | tr ' ' '\n' | sort | xargs)" \
148 echo -e "list_pending:\n\t@echo $(echo $PENDING | tr ' ' '\n' | sort | xargs)" \