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.

Sam Ravnborg committed 18 years ago

Commit db1bec41 parent 6b36ab22 files · +12 −8Browse files

Unified · Split

2 files

scripts/Makefile.headersinst +4 −3
scripts/headers_install.pl +8 −5

scripts/Makefile.headersinst+4−3

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

scripts/headers_install.pl+8−5

 # 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...]
+# Usage: headers_install.pl readdir installdir arch [files...]
-# odir:    dir to open files
+# readdir:    dir to open files
-# install: dir to install the files
+# installdir: dir to install the files
-# files:   list of files to check
+# 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
 use strict;
 use warnings;
-my ($readdir, $installdir, @files) = @ARGV;
+my ($readdir, $installdir, $arch, @files) = @ARGV;
 my $unifdef = "scripts/unifdef -U__KERNEL__";