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-rw-r--r--scripts/Kbuild.include7
1 files changed, 7 insertions, 0 deletions
diff --git a/scripts/Kbuild.include b/scripts/Kbuild.include
index 2180c88..f011322 100644
--- a/scripts/Kbuild.include
+++ b/scripts/Kbuild.include
@@ -85,6 +85,13 @@ cc-version = $(shell $(CONFIG_SHELL) $(srctree)/scripts/gcc-version.sh \
cc-ifversion = $(shell if [ $(call cc-version, $(CC)) $(1) $(2) ]; then \
echo $(3); fi;)
+# ld-option
+# Usage: ldflags += $(call ld-option, -Wl$(comma)--hash-style=both)
+ld-option = $(shell if $(CC) $(1) \
+ -nostdlib -o ldtest$$$$.out -xc /dev/null \
+ > /dev/null 2>&1; then echo "$(1)"; else echo "$(2)"; fi; \
+ rm -f ldtest$$$$.out)
+
###
# Shorthand for $(Q)$(MAKE) -f scripts/Makefile.build obj=
# Usage:
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