It returns different string depending on compiler version.
No user yet.
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 | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/Config.mk b/Config.mk
index a97036e..d5834cd 100644
--- a/Config.mk
+++ b/Config.mk
@@ -128,6 +128,11 @@ define cc-ver-check-closure
endif
endef
+# cc-ifversion: Check compiler version and take branch accordingly
+# Usage $(call cc-ifversion, -lt, 0x040700, string_if_y, string_if_n)
+cc-ifversion = $(shell [ $(call cc-ver,$(CC),$(1),$(2)) = "y" ] \
+ && echo $(3) || echo $(4))
+
# Require GCC v4.1+
check-$(gcc) = $(call cc-ver-check,CC,0x040100,"Xen requires at least gcc-4.1")
$(eval $(check-y))
--
2.1.4
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