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kbuild: install all headers when arch is changed

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We see some header files that are selected dependent on
the actual architecture so force a reinstallation
of all header files when the arch changes.
This slows down "make headers_check_all" but then
we better reflect reality.

Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
This commit is contained in:
Sam Ravnborg 2008-06-16 21:29:38 +02:00
parent 6b36ab27d7
commit db1bec4f52
2 changed files with 12 additions and 8 deletions
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7
scripts/Makefile.headersinst
View File

@ -43,9 +43,10 @@ printdir = $(patsubst $(INSTALL_HDR_PATH)/%/,%,$(dir $@))
quiet_cmd_install = INSTALL $(printdir) ($(words $(all-files))\
file$(if $(word 2, $(all-files)),s))
cmd_install = $(PERL) $< $(srctree)/$(obj) $(install) $(header-y); \
$(PERL) $< $(objtree)/$(obj) $(install) $(objhdr-y); \
touch $@
cmd_install = \
$(PERL) $< $(srctree)/$(obj) $(install) $(SRCARCH) $(header-y); \
$(PERL) $< $(objtree)/$(obj) $(install) $(SRCARCH) $(objhdr-y); \
touch $@
quiet_cmd_remove = REMOVE $(unwanted)
cmd_remove = rm -f $(unwanted-file)

13
scripts/headers_install.pl
View File

@ -3,10 +3,13 @@
# headers_install prepare the listed header files for use in
# user space and copy the files to their destination.
#
# Usage: headers_install.pl odir installdir [files...]
# odir: dir to open files
# install: dir to install the files
# files: list of files to check
# Usage: headers_install.pl readdir installdir arch [files...]
# readdir: dir to open files
# installdir: dir to install the files
# arch: current architecture
# arch is used to force a reinstallation when the arch
# changes because kbuild then detect a command line change.
# files: list of files to check
#
# Step in preparation for users space:
# 1) Drop all use of compiler.h definitions
@ -16,7 +19,7 @@
use strict;
use warnings;
my ($readdir, $installdir, @files) = @ARGV;
my ($readdir, $installdir, $arch, @files) = @ARGV;
my $unifdef = "scripts/unifdef -U__KERNEL__";