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authorSam Ravnborg <sam@ravnborg.org>2008-06-16 21:29:38 +0200
committerSam Ravnborg <sam@ravnborg.org>2008-07-25 22:12:18 +0200
commitdb1bec4f5271d7799d481cd4d95fdc268bdd7614 (patch)
treeafdb6d5c490c1cd31670c6cbf0cc58c97c7d2c86 /scripts
parent6b36ab27d7161bc233e014ff38d8b17ae9975dee (diff)
downloadlinux-db1bec4f5271d7799d481cd4d95fdc268bdd7614.tar.gz
kbuild: install all headers when arch is changed
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>
Diffstat (limited to 'scripts')
-rw-r--r--scripts/Makefile.headersinst7
-rw-r--r--scripts/headers_install.pl13
2 files changed, 12 insertions, 8 deletions
diff --git a/scripts/Makefile.headersinst b/scripts/Makefile.headersinst
index be2b70c48a3b..612dc13ddd85 100644
--- a/scripts/Makefile.headersinst
+++ b/scripts/Makefile.headersinst
@@ -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)
diff --git a/scripts/headers_install.pl b/scripts/headers_install.pl
index f0ff9a35acd0..68591cd08731 100644
--- a/scripts/headers_install.pl
+++ b/scripts/headers_install.pl
@@ -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__";