micro-utils/scripts/build-box.sh

#!/bin/sh
cat > mutils.c << EOF
#include <stdio.h>
#include <string.h>

$(for i in $(ls src); do
	f=$(basename $i .c)
	echo "int "$f"_main(int argc, char **argv);"
done)

struct cmd {
	int (*func)(int argc, char **argv);
	const char *str;
} cmds[] = {
	$(for i in $(ls src); do
		f=$(basename $i .c)

		#EDIT SOURCES
		cat src/$i | sed "s/main(/"$f"_main(/g" > bin/$i

		#FILL STRUCTURE
		echo -e "\t{"$f"_main, \"$f\"},"
	done)
};

int main(int argc, char **argv) {
	if (argc > 1) {
		argc--;
		argv++;

		for (size_t i = 0; i < sizeof(cmds) / sizeof(struct cmd); i++)
			if (!strcmp(argv[0], cmds[i].str))
				return cmds[i].func(argc, argv);
	}

	for (size_t i = 0; i < sizeof(cmds) / sizeof(struct cmd); i++)
		printf("%s ", cmds[i].str);

	putchar('\n');
	return 0;
}
EOF

echo $CFLAGS | xargs $CC -Iconfigs -Ilibmu mutils.c obj/*.o bin/*.c -o mutils