futex tests: Trivial Makefile cleanups

Use := to assign most Make variables
    Use -C to change directory when invoking $(MAKE)
    Append to CFLAGS and LDFLAGS -- in case these have been defined outside
    	the Makefiles. e.g.: "CFLAGS=foo make all"

    Signed-off-by: Matt Helsley <matthltc@us.ibm.com>
    Signed-off-by: Darren Hart <dvhltc@us.ibm.com>
2 files changed
tree: f83e94283ce6276dccfd5cc3c042181897cbe813
  1. .gitignore
  2. Makefile
  3. README
  4. functional/
  5. include/
  6. performance/
  7. run.sh
  8. stress/