message: Force poco build to osx 10.11 (mac)
diff: @@ -108,6 +108,7 @@ endif
  ifeq ($(osname), mac)
  cflags=-g -Wall -Wextra -Wno-deprecated -Wno-unused-parameter -Wunreachable-code -DLUA_USE_MACOSX \
  + -mmacosx-version-min=10.11 \
  $(pococflags) $(opensslcflags) \
  -I$(GTEST_ROOT)/include \
  -I$(GTEST_ROOT) \
  