From 7211b8b9028854eee0d03ee6231440b7fb492521 Mon Sep 17 00:00:00 2001 From: Sergei Poselenov Date: Fri, 5 Jun 2009 16:11:09 +0400 Subject: [PATCH] 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 Cc: Wolfgang Denk Signed-off-by: Sam Ravnborg --- scripts/Makefile.headersinst | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/scripts/Makefile.headersinst b/scripts/Makefile.headersinst index 095cfc8b9db..0fcd8383877 100644 --- a/scripts/Makefile.headersinst +++ b/scripts/Makefile.headersinst @@ -54,8 +54,12 @@ quiet_cmd_remove = REMOVE $(unwanted) cmd_remove = rm -f $(unwanted-file) quiet_cmd_check = CHECK $(printdir) ($(words $(all-files)) files) - cmd_check = $(PERL) $< $(INSTALL_HDR_PATH)/include $(SRCARCH) \ - $(addprefix $(install)/, $(all-files)); \ +# Headers list can be pretty long, xargs helps to avoid +# the "Argument list too long" error. + cmd_check = for f in $(all-files); do \ + echo "$(install)/$${f}"; done \ + | xargs \ + $(PERL) $< $(INSTALL_HDR_PATH)/include $(SRCARCH); \ touch $@ PHONY += __headersinst __headerscheck