genconfig()
{
- # extract config stanzas from each command source file, in alphabetical order
-
- for i in $(ls -1 toys/*.c)
+ # I could query the directory here, but I want to control the order
+ # and capitalization in the menu
+ for j in Posix LSB Other
do
- # Grab the config block for Config.in
- echo "# $i"
- sed -n '/^\*\//q;/^config [A-Z]/,$p' $i || return 1
+ echo "menu \"$j commands\""
echo
+
+ DIR=$(echo $j | tr A-Z a-z)
+
+ # extract config stanzas from each source file, in alphabetical order
+ for i in $(ls -1 toys/$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
}
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
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 "// $i\n"
sed -n -e '/^DEFINE_GLOBALS(/,/^)/b got;b;:got' \
done
}
+echo "generated/globals.h"
+
GLOBSTRUCT="$(getglobals)"
(
echo "$GLOBSTRUCT"
echo "} this;"
) > generated/globals.h
+echo "generated/help.h"
# Only recreate generated/help.h if python is installed
if [ ! -z "$(which python)" ] && [ ! -z "$(grep 'CONFIG_HELP=y' .config)" ]
then
-e 's/.*/#define USE_&(...) __VA_ARGS__/p' \
.config > generated/config.h || exit 1
-# Extract a list of toys/*.c files to compile from the data in ".config" with
-# sed, sort, and tr:
+# Extract a list of toys/*/*.c files to compile from the data in ".config":
# 1) Grab the XXX part of all CONFIG_XXX entries, removing everything after the
# second underline
# 2) Sort the list, keeping only one of each entry.
# 3) Convert to lower case.
# 4) Remove toybox itself from the list (as that indicates global symbols).
-# 5) Add "toys/" prefix and ".c" suffix.
+# 5) Add "toys/*/" prefix and ".c" suffix.
-TOYFILES=$(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..."
projects / platform / upstream / toybox.git / commitdiff