On 20 June 2014 11:44, Sam Ravnborg <sam@xxxxxxxxxxxx> wrote: > On Fri, Jun 20, 2014 at 11:31:28AM -0700, Markus Mayer wrote: >> In order to allow the user to pass extra arguments to the host >> compiler, we no longer overwrite the host compiler flags in the >> makefile, but append them to what was passed in. >> >> Signed-off-by: Markus Mayer <markus.mayer@xxxxxxxxxx> >> --- >> Makefile | 4 ++-- >> 1 file changed, 2 insertions(+), 2 deletions(-) >> >> diff --git a/Makefile b/Makefile >> index 97b2861..5795eea 100644 >> --- a/Makefile >> +++ b/Makefile >> @@ -251,8 +251,8 @@ CONFIG_SHELL := $(shell if [ -x "$$BASH" ]; then echo $$BASH; \ >> >> HOSTCC = gcc >> HOSTCXX = g++ >> -HOSTCFLAGS = -Wall -Wmissing-prototypes -Wstrict-prototypes -O2 -fomit-frame-pointer >> -HOSTCXXFLAGS = -O2 >> +HOSTCFLAGS += -Wall -Wmissing-prototypes -Wstrict-prototypes -O2 -fomit-frame-pointer >> +HOSTCXXFLAGS += -O2 >> >> ifeq ($(shell $(HOSTCC) -v 2>&1 | grep -c "clang version"), 1) >> HOSTCFLAGS += -Wno-unused-value -Wno-unused-parameter \ > > With this patch you can only override HOSTCFLAGS. > In many cases appending to the falgs is actually what you want. > > Please take a look at how we have implemented it for the kernel with KCFLAGS. > And notice that this is also described in Documentation/kbuild Thanks. I am able to do what I need using HOST_EXTRACFLAGS and HOST_LOADLIBES. -Markus -- To unsubscribe from this list: send the line "unsubscribe linux-kbuild" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
