When CLFAGS is set with a command argument a normal variable assignment is not sufficient to ensure that _GNU_SOURCE will be defined. Since this really is critical for building, use an override directive when adding it to CFLAGS to ensure that it really does get defined in all cases.
Signed-off-by: Seth Forshee <seth.fors...@canonical.com> --- Makefile | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/Makefile b/Makefile index 1d613c4..a2ba385 100644 --- a/Makefile +++ b/Makefile @@ -223,7 +223,7 @@ CFLAGS ?= -g -Wall LDFLAGS ?= # Required CFLAGS -CFLAGS += -D_GNU_SOURCE +override CFLAGS += -D_GNU_SOURCE ifndef NO_PTRACE ifneq ($(call try-cc,$(SOURCE_PTRACE),),y) -- 1.8.3.2 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/