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kbuild: fix "Argument list too long" error for "make headers_check",
I'm trying to install kernel headers to build a cross-toolchain, but got the following: make ARCH=arm INSTALL_HDR_PATH=/work/psl/eldk-builds/arm-2009-04-21/work/var/tmp/crosstool-0.43-3-root/usr/crosstool/gcc-4.2.2-glibc-20070515T2025-eldk/ +arm-linux-gnueabi/arm-linux-gnueabi/ headers_check ... CHECK include/linux/raid (2 files) CHECK include/linux/spi (1 files) CHECK include/linux/sunrpc (1 files) CHECK include/linux/tc_act (6 files) CHECK include/linux/tc_ematch (4 files) CHECK include/linux/usb (8 files) make[2]: execvp: /bin/sh: Argument list too long make[2]: *** [/work/psl/eldk-builds/arm-2009-04-21/work/var/tmp/crosstool-0.43-3-root/usr/crosstool/gcc-4.2.2-glibc-20070515T2025-eldk/arm-linux-gnueab +i/arm-linux-gnueabi//include/linux/.check] Error 127 make[1]: *** [linux] Error 2 make: *** [headers_check] Error 2 -> Introduce use of xargs to fix this. Signed-off-by: Sergei Poselenov <sposelenov@emcraft.com> Cc: Wolfgang Denk <wd@denx.de> Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
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1 changed files with 6 additions and 2 deletions
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@ -54,8 +54,12 @@ quiet_cmd_remove = REMOVE $(unwanted)
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cmd_remove = rm -f $(unwanted-file)
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cmd_remove = rm -f $(unwanted-file)
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quiet_cmd_check = CHECK $(printdir) ($(words $(all-files)) files)
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quiet_cmd_check = CHECK $(printdir) ($(words $(all-files)) files)
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cmd_check = $(PERL) $< $(INSTALL_HDR_PATH)/include $(SRCARCH) \
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# Headers list can be pretty long, xargs helps to avoid
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$(addprefix $(install)/, $(all-files)); \
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# the "Argument list too long" error.
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cmd_check = for f in $(all-files); do \
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echo "$(install)/$${f}"; done \
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| xargs \
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$(PERL) $< $(INSTALL_HDR_PATH)/include $(SRCARCH); \
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touch $@
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touch $@
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PHONY += __headersinst __headerscheck
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PHONY += __headersinst __headerscheck
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