... so that we can do other comparisons as well. No functional change.
Signed-off-by: Wei Liu <wei.l...@citrix.com> --- Cc: Andrew Cooper <andrew.coop...@citrix.com> Cc: George Dunlap <george.dun...@eu.citrix.com> Cc: Ian Jackson <ian.jack...@eu.citrix.com> Cc: Jan Beulich <jbeul...@suse.com> Cc: Konrad Rzeszutek Wilk <konrad.w...@oracle.com> Cc: Stefano Stabellini <sstabell...@kernel.org> Cc: Tim Deegan <t...@xen.org> Cc: Wei Liu <wei.l...@citrix.com> --- Config.mk | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/Config.mk b/Config.mk index 3c3ff68..a97036e 100644 --- a/Config.mk +++ b/Config.mk @@ -112,17 +112,17 @@ endef cc-options-add = $(foreach o,$(3),$(call cc-option-add,$(1),$(2),$(o))) -# cc-ver: Check compiler is at least specified version. Return boolean 'y'/'n'. -# Usage: ifeq ($(call cc-ver,$(CC),0x030400),y) +# cc-ver: Check compiler against the version requirement. Return boolean 'y'/'n'. +# Usage: ifeq ($(call cc-ver,$(CC),-ge,0x030400),y) cc-ver = $(shell if [ $$((`$(1) -dumpversion | awk -F. \ - '{ printf "0x%02x%02x%02x", $$1, $$2, $$3}'`)) -ge $$(($(2))) ]; \ + '{ printf "0x%02x%02x%02x", $$1, $$2, $$3}'`)) $(2) $$(($(3))) ]; \ then echo y; else echo n; fi ;) # cc-ver-check: Check compiler is at least specified version, else fail. # Usage: $(call cc-ver-check,CC,0x030400,"Require at least gcc-3.4") cc-ver-check = $(eval $(call cc-ver-check-closure,$(1),$(2),$(3))) define cc-ver-check-closure - ifeq ($$(call cc-ver,$$($(1)),$(2)),n) + ifeq ($$(call cc-ver,$$($(1)),-ge,$(2)),n) override $(1) = echo "*** FATAL BUILD ERROR: "$(3) >&2; exit 1; cc-option := n endif -- 2.1.4 _______________________________________________ Xen-devel mailing list Xen-devel@lists.xen.org https://lists.xen.org/xen-devel