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build: Allow clang build linkage to use libcompiler-rt

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Make use of '-print-librt-file-name' over '-print-libgcc-file-name'
to use Compiler-RT runtime glue over libgcc glue.

NOTE: *** Requires at least clang 3.6.x

Change-Id: I7f63284473d6067bf775409970c8dd98f5d5a8d5
Signed-off-by: Edward O'Callaghan <eocallaghan@alterapraxis.com>
Reviewed-on: http://review.coreboot.org/6144
Reviewed-by: Marc Jones <marc.jones@se-eng.com>
Tested-by: build bot (Jenkins)
This commit is contained in:
Edward O'Callaghan
2014-06-28 03:02:52 +10:00
parent 2c9d2cf75c
commit dd91c7f6d3
3 changed files with 8 additions and 5 deletions
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toolchain.inc
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@@ -93,6 +93,7 @@ READELF_$(1) := $(READELF_$(2))
CFLAGS_$(1) += $$(CFLAGS_common) $$(CFLAGS_$(2))
CPPFLAGS_$(1) += $$(CPPFLAGS_common) $$(CPPFLAGS_$(2))
LIBGCC_FILE_NAME_$(1) = $(wildcard $(shell $(CC_$(2)) $(CFLAGS_$(2)) -print-libgcc-file-name))
LIBCLANG_RT_FILE_NAME_$(1) = $(shell $(CC_$(2)) $(CFLAGS_$(2)) -print-librt-file-name)
endef
# define_class: Allows defining any program as dynamic class and compiler tool