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46 lines
1.8 KiB
Diff
46 lines
1.8 KiB
Diff
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From: Jo-Philipp Wich <jo@mein.io>
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Date: Wed, 4 Jan 2017 10:35:00 +0100
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Subject: [PATCH] powerpc: boot: fix build with parallel make
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The powerpc boot wrapper Makefile is not parallel build safe, causing fixdep
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to fail reading dependency files of the addnote, hack-coff and mktree
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utilities when concurrently building different image targets.
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A typical failure looks like:
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Building modules, stage 2.
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HOSTCC arch/powerpc/boot/addnote
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HOSTCC arch/powerpc/boot/hack-coff
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DTC arch/powerpc/boot/taishan.dtb
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HOSTCC arch/powerpc/boot/addnote
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HOSTCC arch/powerpc/boot/hack-coff
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MODPOST 800 modules
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fixdep: error opening depfile: arch/powerpc/boot/.hack-coff.d: No such file or directory
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scripts/Makefile.host:91: recipe for target 'arch/powerpc/boot/hack-coff' failed
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make[5]: *** [arch/powerpc/boot/hack-coff] Error 2
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make[5]: *** Waiting for unfinished jobs....
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fixdep: error opening depfile: arch/powerpc/boot/.addnote.d: No such file or directory
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scripts/Makefile.host:91: recipe for target 'arch/powerpc/boot/addnote' failed
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make[5]: *** [arch/powerpc/boot/addnote] Error 2
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rm arch/powerpc/boot/taishan.dtb
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arch/powerpc/Makefile:263: recipe for target 'cuImage.taishan' failed
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make[4]: *** [cuImage.taishan] Error 2
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make[4]: *** Waiting for unfinished jobs....
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Add a GNU make specific .NOTPARALLEL pseudo rule to enforce sequential building
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of the addnote, hack-coff and mktree executables.
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Signed-off-by: Jo-Philipp Wich <jo@mein.io>
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--- a/arch/powerpc/boot/Makefile
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+++ b/arch/powerpc/boot/Makefile
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@@ -194,6 +194,8 @@ wrapper :=$(srctree)/$(src)/wrapper
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wrapperbits := $(extra-y) $(addprefix $(obj)/,addnote hack-coff mktree) \
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$(wrapper) FORCE
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+.NOTPARALLEL: $(addprefix $(obj)/,addnote hack-coff mktree) $(wrapper)
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+
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#############
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# Bits for building various flavours of zImage
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