diff options
Diffstat (limited to 'scripts/make.sh')
| -rwxr-xr-x | scripts/make.sh | 33 |
1 files changed, 24 insertions, 9 deletions
diff --git a/scripts/make.sh b/scripts/make.sh index b61d5b9b..2f52b21b 100755 --- a/scripts/make.sh +++ b/scripts/make.sh @@ -4,19 +4,27 @@ source ./configure +if [ -z ".config" ] +then + echo "No .config (see "make help" for configuration options)." + exit 1 +fi + echo "Extract configuration information from toys/*.c files..." scripts/genconfig.sh -echo "Generate headers from toys/*.c..." +echo "Generate headers from toys/*/*.c..." # Create a list of all the applets toybox can provide. Note that the first # entry is out of order on purpose (the toybox multiplexer applet must be the # first element of the array). The rest must be sorted in alphabetical order # for fast binary search. +echo "generated/newtoys.h" + function newtoys() { - for i in toys/*.c + for i in toys/*/*.c do sed -n -e '1,/^config [A-Z]/s/^USE_/&/p' $i || exit 1 done @@ -25,13 +33,13 @@ echo "NEWTOY(toybox, NULL, TOYFLAG_STAYROOT)" > generated/newtoys.h newtoys | sed 's/\(.*TOY(\)\([^,]*\),\(.*\)/\2 \1\2,\3/' | sort -k 1,1 \ | sed 's/[^ ]* //' >> generated/newtoys.h -# Extract global structure definitions and flag definitions from toys/*.c +# Extract global structure definitions and flag definitions from toys/*/*.c function getglobals() { - for i in toys/*.c + for i in toys/*/*.c do - NAME="$(echo $i | sed 's@toys/\(.*\)\.c@\1@')" + NAME="$(echo $i | sed 's@.*/\(.*\)\.c@\1@')" echo -e "// $i\n" sed -n -e '/^DEFINE_GLOBALS(/,/^)/b got;b;:got' \ @@ -58,6 +66,8 @@ function getglobals() done } +echo "generated/globals.h" + GLOBSTRUCT="$(getglobals)" ( echo "$GLOBSTRUCT" @@ -67,6 +77,7 @@ GLOBSTRUCT="$(getglobals)" echo "} this;" ) > generated/globals.h +echo "generated/help.h" # Only recreate generated/help.h if python is installed if [ ! -z "$(which python)" ] && [ ! -z "$(grep 'CONFIG_HELP=y' .config)" ] then @@ -100,20 +111,24 @@ sed -n \ -e 's/.*/#define USE_&(...) __VA_ARGS__/p' \ .config > generated/config.h || exit 1 -# Extract a list of toys/*.c files to compile from the data in ".config" with -# sed, sort, and tr: +# Extract a list of toys/*/*.c files to compile from the data in ".config": # 1) Grab the XXX part of all CONFIG_XXX entries, removing everything after the # second underline # 2) Sort the list, keeping only one of each entry. # 3) Convert to lower case. # 4) Remove toybox itself from the list (as that indicates global symbols). -# 5) Add "toys/" prefix and ".c" suffix. +# 5) Add "toys/*/" prefix and ".c" suffix. -TOYFILES=$(cat .config | sed -nre 's/^CONFIG_(.*)=y/\1/;t skip;b;:skip;s/_.*//;p' | sort -u | tr A-Z a-z | grep -v '^toybox$' | sed 's@\(.*\)@toys/\1.c@' ) +TOYFILES=$(sed -nre 's/^CONFIG_(.*)=y/\1/;t skip;b;:skip;s/_.*//;p' < .config | sort -u | tr A-Z a-z | grep -v '^toybox$' | sed 's@\(.*\)@toys/\*/\1.c@') echo "Library probe..." +# We trust --as-needed to remove each library if we don't use any symbols +# out of it, this loop is because the compiler has no way to ignore a library +# that doesn't exist, so we have to detect and skip nonexistent libraries +# for it. + OPTLIBS="$(for i in util crypt m; do echo "int main(int argc, char *argv[]) {return 0;}" | ${CROSS_COMPILE}${CC} -xc - -o /dev/null -Wl,--as-needed -l$i > /dev/null 2>/dev/null && echo -l$i; done)" echo "Compile toybox..." |