On Fri, Jul 30, 2021 at 2:54 PM Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx> wrote: > > On Fri, Jul 30, 2021 at 1:17 PM Nick Desaulniers > <ndesaulniers@xxxxxxxxxx> wrote: > > > > +ifeq ($(SRCARCH),arm) > > +CLANG_FLAGS += --target=arm-linux-gnueabi > ..,. > > Ugh. > > A wise man once said: "All problems in computer science can be solved > with another level of indirection". > > Just do it like this: > > CLANG_TARGET_FLAGS_arm = arm-linux-gnueabi > CLANG_TARGET_FLAGS_hexagon = hexagon-linux-gnu > .. > CLANG_TARGET_FLAGS = $(CLANG_TARGET_FLAGS_$(ARCH)) > > Which is a lot denser and simpler. > > And then the only if-statement can be something along the lines of > > ifeq ($(CLANG_TARGET_FLAGS),) > $(error Specify clang target flags) > else > CLANG_FLAGS += --target=$(CLANG_TARGET_FLAGS) > endif D'oh, just sent v5 before seeing this. SGTM will work on v6. > > Plus add *random handwaving* about all the details for CROSS_COMPILE > and friends. > > Linus -- Thanks, ~Nick Desaulniers