diff options
Diffstat (limited to 'scripts/Makefile.compiler')
| -rw-r--r-- | scripts/Makefile.compiler | 33 |
1 files changed, 26 insertions, 7 deletions
diff --git a/scripts/Makefile.compiler b/scripts/Makefile.compiler index 92be0c9a13ee..ef91910de265 100644 --- a/scripts/Makefile.compiler +++ b/scripts/Makefile.compiler @@ -13,7 +13,7 @@ cc-cross-prefix = $(firstword $(foreach c, $(1), \ $(if $(shell command -v -- $(c)gcc 2>/dev/null), $(c)))) # output directory for tests below -TMPOUT = $(if $(KBUILD_EXTMOD),$(firstword $(KBUILD_EXTMOD))/).tmp_$$$$ +TMPOUT = .tmp_$$$$ # try-run # Usage: option = $(call try-run, $(CC)...-o "$$TMP",option-ok,otherwise) @@ -43,7 +43,7 @@ as-instr = $(call try-run,\ # __cc-option # Usage: MY_CFLAGS += $(call __cc-option,$(CC),$(MY_CFLAGS),-march=winchip-c6,-march=i586) __cc-option = $(call try-run,\ - $(1) -Werror $(2) $(3) -c -x c /dev/null -o "$$TMP",$(3),$(4)) + $(1) -Werror $(2) $(3:-Wno-%=-W%) -c -x c /dev/null -o "$$TMP",$(3),$(4)) # cc-option # Usage: cflags-y += $(call cc-option,-march=winchip-c6,-march=i586) @@ -53,22 +53,41 @@ cc-option = $(call __cc-option, $(CC),\ # cc-option-yn # Usage: flag := $(call cc-option-yn,-march=winchip-c6) -cc-option-yn = $(call try-run,\ - $(CC) -Werror $(KBUILD_CPPFLAGS) $(KBUILD_CFLAGS) $(1) -c -x c /dev/null -o "$$TMP",y,n) +cc-option-yn = $(if $(call cc-option,$1),y,n) # cc-disable-warning # Usage: cflags-y += $(call cc-disable-warning,unused-but-set-variable) -cc-disable-warning = $(call try-run,\ - $(CC) -Werror $(KBUILD_CPPFLAGS) $(KBUILD_CFLAGS) -W$(strip $(1)) -c -x c /dev/null -o "$$TMP",-Wno-$(strip $(1))) +cc-disable-warning = $(call cc-option,-Wno-$(strip $1)) # gcc-min-version -# Usage: cflags-$(call gcc-min-version, 70100) += -foo +# Usage: cflags-$(call gcc-min-version, 110100) += -foo gcc-min-version = $(call test-ge, $(CONFIG_GCC_VERSION), $1) # clang-min-version # Usage: cflags-$(call clang-min-version, 110000) += -foo clang-min-version = $(call test-ge, $(CONFIG_CLANG_VERSION), $1) +# rustc-min-version +# Usage: rustc-$(call rustc-min-version, 108500) += -Cfoo +rustc-min-version = $(call test-ge, $(CONFIG_RUSTC_VERSION), $1) + # ld-option # Usage: KBUILD_LDFLAGS += $(call ld-option, -X, -Y) ld-option = $(call try-run, $(LD) $(KBUILD_LDFLAGS) $(1) -v,$(1),$(2),$(3)) + +# __rustc-option +# Usage: MY_RUSTFLAGS += $(call __rustc-option,$(RUSTC),$(MY_RUSTFLAGS),-Cinstrument-coverage,-Zinstrument-coverage) +# TODO: remove RUSTC_BOOTSTRAP=1 when we raise the minimum GNU Make version to 4.4 +__rustc-option = $(call try-run,\ + echo '$(pound)![allow(missing_docs)]$(pound)![feature(no_core)]$(pound)![no_core]' | RUSTC_BOOTSTRAP=1\ + $(1) --sysroot=/dev/null $(filter-out --sysroot=/dev/null --target=%,$(2)) $(3)\ + --crate-type=rlib --out-dir=$(TMPOUT) --emit=obj=- - >/dev/null,$(3),$(4)) + +# rustc-option +# Usage: rustflags-y += $(call rustc-option,-Cinstrument-coverage,-Zinstrument-coverage) +rustc-option = $(call __rustc-option, $(RUSTC),\ + $(KBUILD_RUSTFLAGS),$(1),$(2)) + +# rustc-option-yn +# Usage: flag := $(call rustc-option-yn,-Cinstrument-coverage) +rustc-option-yn = $(if $(call rustc-option,$1),y,n) |