Merge git://git.kernel.org/pub/scm/linux/kernel/git/sam/kbuild-fixes

* git://git.kernel.org/pub/scm/linux/kernel/git/sam/kbuild-fixes:
Fix incompatibility with versions of Perl less than 5.6.0
kbuild: do not include arch/<ARCH>/include/asm in find-sources twice.
kbuild: tag with git revision when git describe is missing
kbuild: prevent modpost from looking for a .cmd file for a static library linked into a module
kbuild: fix KBUILD_EXTRA_SYMBOLS
adjust init section definitions
scripts/checksyscalls.sh: fix for non-gnu sed
scripts/package: don't break if %{_smp_mflags} isn't set
kbuild: setlocalversion: dont include svn change count
kbuild: improve check-symlink
kbuild: mkspec - fix build rpm

Makefile

···
 
 # The asm symlink changes when $(ARCH) changes.
 # Detect this and ask user to run make mrproper
+# If asm is a stale symlink (point to dir that does not exist) remove it
 define check-symlink
 	set -e;                                                            \
 	if [ -L include/asm ]; then                                        \
···
 			echo "       set ARCH or save .config and run 'make mrproper' to fix it";             \
 			exit 1;                                            \
 		fi;                                                        \
+		test -e $$asmlink || rm include/asm;                       \
+	elif [ -d include/asm ]; then                                      \
+		echo "ERROR: $@ is a directory but a symlink was expected";\
+		exit 1;                                                    \
 	fi
 endef
 
···
 define find-sources
         ( for arch in $(ALLSOURCE_ARCHS) ; do \
 	       find $(__srctree)arch/$${arch} $(RCS_FIND_IGNORE) \
-	            -name $1 -print; \
+		    -wholename $(__srctree)arch/$${arch}/include/asm -type d -prune \
+	            -o -name $1 -print; \
 	  done ; \
 	  find $(__srctree)security/selinux/include $(RCS_FIND_IGNORE) \
 	       -name $1 -print; \

include/linux/init.h

···
 #define __FINIT		.previous
 
 #define __INITDATA	.section	".init.data","aw"
+#define __INITRODATA	.section	".init.rodata","a"
 #define __FINITDATA	.previous
 
 #define __DEVINIT        .section	".devinit.text", "ax"
 #define __DEVINITDATA    .section	".devinit.data", "aw"
+#define __DEVINITRODATA  .section	".devinit.rodata", "a"
 
 #define __CPUINIT        .section	".cpuinit.text", "ax"
 #define __CPUINITDATA    .section	".cpuinit.data", "aw"
+#define __CPUINITRODATA  .section	".cpuinit.rodata", "a"
 
 #define __MEMINIT        .section	".meminit.text", "ax"
 #define __MEMINITDATA    .section	".meminit.data", "aw"
+#define __MEMINITRODATA  .section	".meminit.rodata", "a"
 
 /* silence warnings when references are OK */
 #define __REF            .section       ".ref.text", "ax"
 #define __REFDATA        .section       ".ref.data", "aw"
-#define __REFCONST       .section       ".ref.rodata", "aw"
+#define __REFCONST       .section       ".ref.rodata", "a"
 
 #ifndef __ASSEMBLY__
 /*

scripts/Makefile.modpost

···
  $(if $(CONFIG_MODULE_SRCVERSION_ALL),-a,)       \
  $(if $(KBUILD_EXTMOD),-i,-o) $(kernelsymfile)   \
  $(if $(KBUILD_EXTMOD),-I $(modulesymfile))      \
- $(if $(KBUILD_EXTRA_SYMBOLS), $(patsubst %, -e %,$(EXTRA_SYMBOLS))) \
+ $(if $(KBUILD_EXTRA_SYMBOLS), $(patsubst %, -e %,$(KBUILD_EXTRA_SYMBOLS))) \
  $(if $(KBUILD_EXTMOD),-o $(modulesymfile))      \
  $(if $(CONFIG_DEBUG_SECTION_MISMATCH),,-S)      \
  $(if $(CONFIG_MARKERS),-K $(kernelmarkersfile)) \

scripts/checksyscalls.sh

···
 }
 
 syscall_list() {
-sed -n -e '/^\#define/ { s/[^_]*__NR_\([^[:space:]]*\).*/\
+sed -n -e '/^\#define/ s/[^_]*__NR_\([^[:space:]]*\).*/\
 \#if !defined \(__NR_\1\) \&\& !defined \(__IGNORE_\1\)\
 \#warning syscall \1 not implemented\
-\#endif/p }' $1
+\#endif/p' $1
 }
 
 (ignore_list && syscall_list ${srctree}/arch/x86/include/asm/unistd_32.h) | \

scripts/headers_check.pl

···
-#!/usr/bin/perl
+#!/usr/bin/perl -w
 #
 # headers_check.pl execute a number of trivial consistency checks
 #
···
 # 2) TODO: check for leaked CONFIG_ symbols
 
 use strict;
-use warnings;
 
 my ($dir, $arch, @files) = @ARGV;
 
···
 my $filename;
 
 foreach my $file (@files) {
+	local *FH;
 	$filename = $file;
-	open(my $fh, '<', "$filename") or die "$filename: $!\n";
+	open(FH, "<$filename") or die "$filename: $!\n";
 	$lineno = 0;
-	while ($line = <$fh>) {
+	while ($line = <FH>) {
 		$lineno++;
 		check_include();
 	}
-	close $fh;
+	close FH;
 }
 exit $ret;
 

scripts/headers_install.pl

···
-#!/usr/bin/perl
+#!/usr/bin/perl -w
 #
 # headers_install prepare the listed header files for use in
 # user space and copy the files to their destination.
···
 # 3) Drop all sections defined out by __KERNEL__ (using unifdef)
 
 use strict;
-use warnings;
 
 my ($readdir, $installdir, $arch, @files) = @ARGV;
 
 my $unifdef = "scripts/unifdef -U__KERNEL__";
 
 foreach my $file (@files) {
+	local *INFILE;
+	local *OUTFILE;
 	my $tmpfile = "$installdir/$file.tmp";
-	open(my $infile, '<', "$readdir/$file")
+	open(INFILE, "<$readdir/$file")
 		or die "$readdir/$file: $!\n";
-	open(my $outfile, '>', "$tmpfile") or die "$tmpfile: $!\n";
-	while (my $line = <$infile>) {
+	open(OUTFILE, ">$tmpfile") or die "$tmpfile: $!\n";
+	while (my $line = <INFILE>) {
 		$line =~ s/([\s(])__user\s/$1/g;
 		$line =~ s/([\s(])__force\s/$1/g;
 		$line =~ s/([\s(])__iomem\s/$1/g;
 		$line =~ s/\s__attribute_const__\s/ /g;
 		$line =~ s/\s__attribute_const__$//g;
 		$line =~ s/^#include <linux\/compiler.h>//;
-		printf $outfile "%s", $line;
+		printf OUTFILE "%s", $line;
 	}
-	close $outfile;
-	close $infile;
+	close OUTFILE;
+	close INFILE;
 	system $unifdef . " $tmpfile > $installdir/$file";
 	unlink $tmpfile;
 }

scripts/mod/sumversion.c

···
 	release_file(file, len);
 	return 1;
 }
+/* Check whether the file is a static library or not */
+static int is_static_library(const char *objfile)
+{
+	int len = strlen(objfile);
+	if (objfile[len - 2] == '.' && objfile[len - 1] == 'a')
+		return 1;
+	else
+		return 0;
+}
 
 /* We have dir/file.o.  Open dir/.file.o.cmd, look for deps_ line to
  * figure out source file. */
···
 	while ((fname = strsep(&sources, " ")) != NULL) {
 		if (!*fname)
 			continue;
-		if (!parse_source_files(fname, &md))
+		if (!(is_static_library(fname)) &&
+				!parse_source_files(fname, &md))
 			goto release;
 	}
 

scripts/package/mkspec

···
 echo "%build"
 
 if ! $PREBUILT; then
-echo "make clean && make %{_smp_mflags}"
+echo "make clean && make %{?_smp_mflags}"
 echo ""
 fi
 
 echo "%install"
 echo "%ifarch ia64"
 echo 'mkdir -p $RPM_BUILD_ROOT/boot/efi $RPM_BUILD_ROOT/lib/modules'
+echo 'mkdir -p $RPM_BUILD_ROOT/lib/firmware'
 echo "%else"
 echo 'mkdir -p $RPM_BUILD_ROOT/boot $RPM_BUILD_ROOT/lib/modules'
+echo 'mkdir -p $RPM_BUILD_ROOT/lib/firmware'
 echo "%endif"
 
 echo 'INSTALL_MOD_PATH=$RPM_BUILD_ROOT make %{_smp_mflags} modules_install'
···
 echo '%defattr (-, root, root)'
 echo "%dir /lib/modules"
 echo "/lib/modules/$KERNELRELEASE"
+echo "/lib/firmware"
 echo "/boot/*"
 echo ""

scripts/setlocalversion

···
 cd "${1:-.}" || usage
 
 # Check for git and a git repo.
-if head=`git rev-parse --verify HEAD 2>/dev/null`; then
+if head=`git rev-parse --verify --short HEAD 2>/dev/null`; then
 	# Do we have an untagged version?
 	if git name-rev --tags HEAD | grep -E '^HEAD[[:space:]]+(.*~[0-9]*|undefined)$' > /dev/null; then
 		if tag=`git describe 2>/dev/null`; then
 			echo $tag | awk -F- '{printf("-%05d-%s", $(NF-1),$(NF))}'
+		else
+			printf '%s%s' -g $head
 		fi
 	fi
 
···
 
 	# Are there uncommitted changes?
 	if [ $changes != 0 ]; then
-		printf -- '-svn%s%s%s' "$rev" -dirty "$changes"
+		printf -- '-svn%s%s' "$rev" -dirty
 	else
 		printf -- '-svn%s' "$rev"
 	fi