diff options
Diffstat (limited to 'scripts/Kbuild.include')
| -rw-r--r-- | scripts/Kbuild.include | 57 |
1 files changed, 52 insertions, 5 deletions
diff --git a/scripts/Kbuild.include b/scripts/Kbuild.include index 1112dd94b440..8a491e6b542c 100644 --- a/scripts/Kbuild.include +++ b/scripts/Kbuild.include @@ -148,6 +148,37 @@ cc-disable-warning = $(call try-run,\ # Expands to either gcc or clang cc-name = $(shell $(CC) -v 2>&1 | grep -q "clang version" && echo clang || echo gcc) +# __cc-version +# Returns compiler version +__cc-version = $(shell $(CONFIG_SHELL) $(srctree)/scripts/$(cc-name)-version.sh $(CC)) + +# __cc-fullversion +# Returns full compiler version +__cc-fullversion = $(shell $(CONFIG_SHELL) \ + $(srctree)/scripts/$(cc-name)-version.sh -p $(CC)) + +# __cc-ifversion +# Matches compiler name and version +# Usage: EXTRA_CFLAGS += $(call cc-if-name-version, gcc, -lt, 0402, -O1) +__cc-ifversion = $(shell [ $(cc-name) = $(1) ] && [ $(__cc-version) $(2) $(3) ] && echo $(4) || echo $(5)) + +# __cc-if-fullversion +# Matches compiler name and full version +# Usage: EXTRA_CFLAGS += $(call cc-if-name-fullversion, gcc, -lt, 040502, -O1) +__cc-if-fullversion = $(shell [ $(cc-name) = $(1) ] && [ $(__cc-fullversion) $(2) $(3) ] && echo $(4) || echo $(5)) + +# gcc-ifversion +gcc-ifversion = $(call __cc-ifversion, gcc, $(1), $(2), $(3), $(4)) + +# gcc-if-fullversion +gcc-if-fullversion = (call __cc-if-fullversion, gcc, $(1), $(2), $(3), $(4)) + +# clang-ifversion +clang-ifversion = $(call __cc-ifversion, clang, $(1), $(2), $(3), $(4)) + +# clang-if-fullversion +clang-if-fullversion = (call __cc-if-fullversion, clang, $(1), $(2), $(3), $(4)) + # cc-version cc-version = $(shell $(CONFIG_SHELL) $(srctree)/scripts/gcc-version.sh $(CC)) @@ -155,9 +186,9 @@ cc-version = $(shell $(CONFIG_SHELL) $(srctree)/scripts/gcc-version.sh $(CC)) cc-fullversion = $(shell $(CONFIG_SHELL) \ $(srctree)/scripts/gcc-version.sh -p $(CC)) -# cc-ifversion -# Usage: EXTRA_CFLAGS += $(call cc-ifversion, -lt, 0402, -O1) -cc-ifversion = $(shell [ $(cc-version) $(1) $(2) ] && echo $(3) || echo $(4)) +# backward compatibility +cc-ifversion = $(gcc-ifversion) +cc-if-fullversion = $(gcc-if-fullversion) # cc-ldoption # Usage: ldflags += $(call cc-ldoption, -Wl$(comma)--hash-style=both) @@ -165,14 +196,18 @@ cc-ldoption = $(call try-run,\ $(CC) $(1) $(KBUILD_CPPFLAGS) $(KBUILD_CFLAGS) -nostdlib -x c /dev/null -o "$$TMP",$(1),$(2)) # ld-option -# Usage: LDFLAGS += $(call ld-option, -X) -ld-option = $(call try-run, $(LD) $(LDFLAGS) $(1) -v,$(1),$(2)) +# Usage: LDFLAGS += $(call ld-option, -X, -Y) +ld-option = $(call try-run, $(LD) $(LDFLAGS) $(1) -v,$(1),$(2),$(3)) # ar-option # Usage: KBUILD_ARFLAGS := $(call ar-option,D) # Important: no spaces around options ar-option = $(call try-run, $(AR) rc$(1) "$$TMP",$(1),$(2)) +# ld-name +# Expands to either bfd or gold +ld-name = $(shell $(LD) -v 2>&1 | grep -q "GNU gold" && echo gold || echo bfd) + # ld-version # Note this is mainly for HJ Lu's 3 number binutil versions ld-version = $(shell $(LD) --version | $(srctree)/scripts/ld-version.sh) @@ -181,6 +216,18 @@ ld-version = $(shell $(LD) --version | $(srctree)/scripts/ld-version.sh) # Usage: $(call ld-ifversion, -ge, 22252, y) ld-ifversion = $(shell [ $(ld-version) $(1) $(2) ] && echo $(3) || echo $(4)) +# __ld-ifversion +# Usage: $(call __ld-ifversion, gold, -ge, 112000000, y) +__ld-ifversion = $(shell [ $(ld-name) = $(1) ] && [ $(ld-version) $(2) $(3) ] && echo $(4) || echo $(5)) + +# bfd-ifversion +# Usage: $(call bfd-ifversion, -ge, 227000000, y) +bfd-ifversion = $(call __ld-ifversion, bfd, $(1), $(2), $(3), $(4)) + +# gold-ifversion +# Usage: $(call gold-ifversion, -ge, 112000000, y) +gold-ifversion = $(call __ld-ifversion, gold, $(1), $(2), $(3), $(4)) + ###### ### |