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linux-tools: Fix cross-build of objtool 

objtool is normally built and used during the kernel build process,
in which case it should always be built as a native executable.
But when we build it for linux-tools it should match the target
architecture.  We need to override the CC and LD variables to
make this work.
This commit is contained in:
Ben Hutchings 2018-07-06 04:36:21 +01:00
parent 999f952b74
commit 4fd24e2fc5
2 changed files with 7 additions and 1 deletions
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4
debian/changelog vendored
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@ -1,7 +1,11 @@
linux (4.17.3-2) UNRELEASED; urgency=medium
[ Sjoerd Simons ]
* [armhf] DRM: Enable CONFIG_DRM_IMX_PARALLEL_DISPLAY
[ Ben Hutchings ]
* linux-tools: Fix cross-build of objtool
-- Sjoerd Simons <sjoerd@debian.org> Wed, 04 Jul 2018 10:25:57 +0200
linux (4.17.3-1) unstable; urgency=medium

4
debian/rules.d/tools/objtool/Makefile vendored
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@ -3,7 +3,9 @@ include $(top_rulesdir)/Makefile.inc
all:
# For now, only supported target architecture is x86. Later we'll need to build
# for multiple targets and add a wrapper, same as for modpost.
$(MAKE) -C $(top_srcdir)/tools/objtool O=$(CURDIR) ARCH=x86
# objtool explicitly sets CC and LD to be native tools; we need to override
# this on the command line to make cross-builds work.
$(MAKE) -C $(top_srcdir)/tools/objtool O=$(CURDIR) ARCH=x86 CC=$(CC) LD=$(CROSS_COMPILE)ld
install:
install -D -m755 objtool $(DESTDIR)/$(installdir)/objtool