[PATCH 2/7] kbuild: add ld-if-name-version and linker-specific macros
From: samitolvanen@google.com (Sami Tolvanen)
Date: 2017-11-29 23:45:02
Also in:
linux-kbuild, lkml
Subsystem:
kernel build + files below scripts/ (unless maintained elsewhere), the rest · Maintainers:
Nathan Chancellor, Nicolas Schier, Linus Torvalds
Add macros for testing both linker name and version. Signed-off-by: Sami Tolvanen <samitolvanen@google.com> --- scripts/Kbuild.include | 12 ++++++++++++ 1 file changed, 12 insertions(+)
diff --git a/scripts/Kbuild.include b/scripts/Kbuild.include
index a7c7843c2cf1..5d286d69e8dc 100644
--- a/scripts/Kbuild.include
+++ b/scripts/Kbuild.include@@ -289,6 +289,18 @@ ld-version = $(call shell-cached,$(LD) --version | $(srctree)/scripts/ld-version # Usage: $(call ld-ifversion, -ge, 22252, y) ld-ifversion = $(shell [ $(ld-version) $(1) $(2) ] && echo $(3) || echo $(4)) +# ld-if-name-version +# Usage: $(call ld-if-name-version, gold, -ge, 112000000, y) +ld-if-name-version = $(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-if-name-version, bfd, $(1), $(2), $(3), $(4)) + +# gold-ifversion +# Usage: $(call gold-ifversion, -ge, 112000000, y) +gold-ifversion = $(call ld-if-name-version, gold, $(1), $(2), $(3), $(4)) + ###### ###
--
2.15.0.531.g2ccb3012c9-goog