Merge bk://linux-sam.bkbits.net/kbuild

into mars.ravnborg.org:/home/sam/bk/to-linus

4 files changed, 32 insertions, 10 deletions

diff --git a/scripts/Makefile.modinst b/scripts/Makefile.modinst
index b9ab77d5dd27de..ba47b7fcb1404b 100644
--- a/scripts/Makefile.modinst
+++ b/scripts/Makefile.modinst
@@ -19,7 +19,10 @@ __modinst: $(modules)
 quiet_cmd_modules_install = INSTALL $@
       cmd_modules_install = mkdir -p $(2); cp $@ $(2)
 
-modinst_dir = $(MODLIB)/$(if $(filter ../% /%,$@),extra/,kernel/$(@D))
+# Modules built outside the kernel source tree go into extra by default
+INSTALL_MOD_DIR ?= extra
+
+modinst_dir = $(MODLIB)/$(if $(filter ../% /%,$@),$(INSTALL_MOD_DIR)/,kernel/$(@D))
 
 $(modules):
 	$(call cmd,modules_install,$(modinst_dir))
diff --git a/scripts/basic/docproc.c b/scripts/basic/docproc.c
index d28f883cb37ac7..cb02baa63256ba 100644
--- a/scripts/basic/docproc.c
+++ b/scripts/basic/docproc.c
@@ -79,6 +79,7 @@ void exec_kernel_doc(char **svec)
 {
 	pid_t pid;
 	int ret;
+	char real_filename[PATH_MAX + 1];
 	/* Make sure output generated so far are flushed */
 	fflush(stdout);
 	switch(pid=fork()) {
@@ -86,8 +87,13 @@ void exec_kernel_doc(char **svec)
 			perror("fork");
 			exit(1);
 		case  0:
-			execvp(KERNELDOCPATH KERNELDOC, svec);
-			perror("exec " KERNELDOCPATH KERNELDOC);
+			memset(real_filename, 0, sizeof(real_filename));
+			strncat(real_filename, getenv("SRCTREE"), PATH_MAX);
+			strncat(real_filename, KERNELDOCPATH KERNELDOC,
+					PATH_MAX - strlen(real_filename));
+			execvp(real_filename, svec);
+			fprintf(stderr, "exec ");
+			perror(real_filename);
 			exit(1);
 		default:
 			waitpid(pid, &ret ,0);
@@ -160,12 +166,17 @@ void find_export_symbols(char * filename)
 	struct symfile *sym;
 	char line[MAXLINESZ];
 	if (filename_exist(filename) == NULL) {
+		char real_filename[PATH_MAX + 1];
+		memset(real_filename, 0, sizeof(real_filename));
+		strncat(real_filename, getenv("SRCTREE"), PATH_MAX);
+		strncat(real_filename, filename,
+				PATH_MAX - strlen(real_filename));
 		sym = add_new_file(filename);
-		fp = fopen(filename, "r");
+		fp = fopen(real_filename, "r");
 		if (fp == NULL)
 		{
 			fprintf(stderr, "docproc: ");
-			perror(filename);
+			perror(real_filename);
 		}
 		while(fgets(line, MAXLINESZ, fp)) {
 			char *p;
diff --git a/scripts/kconfig/confdata.c b/scripts/kconfig/confdata.c
index 7b6285e7c8f9b3..b5f2fc031503c3 100644
--- a/scripts/kconfig/confdata.c
+++ b/scripts/kconfig/confdata.c
@@ -270,6 +270,8 @@ int conf_write(const char *name)
 	int type, l;
 	const char *str;
 	time_t now;
+	int use_timestamp = 1;
+	char *env;
 
 	dirname[0] = 0;
 	if (name && name[0]) {
@@ -306,22 +308,28 @@ int conf_write(const char *name)
 	sym = sym_lookup("KERNELRELEASE", 0);
 	sym_calc_value(sym);
 	time(&now);
+	env = getenv("KCONFIG_NOTIMESTAMP");
+	if (env && *env)
+		use_timestamp = 0;
+
 	fprintf(out, "#\n"
 		     "# Automatically generated make config: don't edit\n"
 		     "# Linux kernel version: %s\n"
-		     "# %s"
+		     "%s%s"
 		     "#\n",
 		     sym_get_string_value(sym),
-		     ctime(&now));
+		     use_timestamp ? "# " : "",
+		     use_timestamp ? ctime(&now) : "");
 	if (out_h)
 		fprintf(out_h, "/*\n"
 			       " * Automatically generated C config: don't edit\n"
 			       " * Linux kernel version: %s\n"
-			       " * %s"
+			       "%s%s"
 			       " */\n"
 			       "#define AUTOCONF_INCLUDED\n",
 			       sym_get_string_value(sym),
-			       ctime(&now));
+			       use_timestamp ? " * " : "",
+			       use_timestamp ? ctime(&now) : "");
 
 	if (!sym_change_count)
 		sym_clear_all_valid();
diff --git a/scripts/kernel-doc b/scripts/kernel-doc
index aa7ffee63b4507..767cb2365a8236 100755
--- a/scripts/kernel-doc
+++ b/scripts/kernel-doc
@@ -1531,7 +1531,7 @@ sub process_state3_type($$) {
 }
 
 sub process_file($) {
-    my ($file) = @_;
+    my ($file) = "$ENV{'SRCTREE'}@_";
     my $identifier;
     my $func;
     my $initial_section_counter = $section_counter;