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From: Ben Hutchings <benh@debian.org>
Date: Sat, 13 May 2023 13:03:26 +0200
Subject: fixdep: Allow overriding HOSTCC and HOSTLD
Forwarded: not-needed
objtool always uses HOSTCC, HOSTLD, and HOSTAR, so we need to override
these on the command line for cross-builds of linux-kbuild. But it
also builds fixdep which still needs to be native in a cross-build.
Add support for REALHOSTCC and REALHOSTLD variables which, if set,
override HOSTCC and HOSTLD for fixdep only.
---
--- a/tools/build/Makefile.include
+++ b/tools/build/Makefile.include
@@ -12,7 +12,10 @@ else
endif
fixdep:
- $(SILENT_MAKE) -C $(srctree)/tools/build $(OUTPUT)fixdep
+ $(SILENT_MAKE) -C $(srctree)/tools/build \
+ $(if $(REALHOSTCC),HOSTCC=$(REALHOSTCC) KBUILD_HOSTCFLAGS=) \
+ $(if $(REALHOSTLD),HOSTLD=$(REALHOSTLD) KBUILD_HOSTLDFLAGS=) \
+ $(OUTPUT)fixdep
fixdep-clean:
$(Q)$(MAKE) -C $(srctree)/tools/build clean
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