47 lines
2.0 KiB
Diff
47 lines
2.0 KiB
Diff
From e60cc1b011bf0f1acdb7e5168b7bed4ebb78c91f Mon Sep 17 00:00:00 2001
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From: Bruce Ashfield <bruce.ashfield@windriver.com>
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Date: Wed, 9 Jan 2013 16:24:39 -0500
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Subject: [PATCH] scripts/Makefile.headersinst: install headers from scratch file
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If headers_install is executed from a deep/long directory structure, the
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shell's maximum argument length can be execeeded, which breaks the operation
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with:
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| make[2]: execvp: /bin/sh: Argument list too long
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| make[2]: ***
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By dumping the input files to a scratch file and using xargs to read the
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input list from the scratch file, we can avoid blowing out the maximum
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argument size and install headers in a long path name environment.
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Signed-off-by: Bruce Ashfield <bruce.ashfield@windriver.com>
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---
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RP: Refreshed for 3.10 as the problem still exists there on the autobuilders
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scripts/Makefile.headersinst | 4 +++-
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1 files changed, 3 insertions(+), 1 deletions(-)
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Index: linux-3.10/scripts/Makefile.headersinst
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===================================================================
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--- linux-3.10.orig/scripts/Makefile.headersinst
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+++ linux-3.10/scripts/Makefile.headersinst
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@@ -72,7 +72,7 @@ printdir = $(patsubst $(INSTALL_HDR_PATH
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quiet_cmd_install = INSTALL $(printdir) ($(words $(all-files))\
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file$(if $(word 2, $(all-files)),s))
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cmd_install = \
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- $(CONFIG_SHELL) $< $(installdir) $(input-files); \
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+ xargs $(CONFIG_SHELL) $< $(installdir) < $(INSTALL_HDR_PATH)/.input-files; \
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for F in $(wrapper-files); do \
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echo "\#include <asm-generic/$$F>" > $(installdir)/$$F; \
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done; \
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@@ -101,7 +101,9 @@ targets += $(install-file)
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$(install-file): scripts/headers_install.sh $(input-files) FORCE
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$(if $(unwanted),$(call cmd,remove),)
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$(if $(wildcard $(dir $@)),,$(shell mkdir -p $(dir $@)))
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+ @echo $(input-files) > $(INSTALL_HDR_PATH)/.input-files
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$(call if_changed,install)
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+ @rm $(INSTALL_HDR_PATH)/.input-files
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else
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__headerscheck: $(subdirs) $(check-file)
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