whitty

.PHONY: all clean bear
all:
	touch done

clean:
	rm -f done

bear:
	$(MAKE) clean
	bear $(MAKE) all

whitty

#include <stdio.h>
#define LOGTRACE(...) fprintf(stderr, __VA_ARGS__);

int main(void)
{
#ifdef ALT_FORMAT
    LOGTRACE("abc %u def %u ghi %u\n",
#else
    LOGTRACE("abcdefghi %u, %u, %u\n",
#endif