Add support to make directory any time we build objects
out of the tree (O=/tmp/krava) and the output directory
does not exist.

Signed-off-by: Jiri Olsa <[email protected]>
Cc: Alexis Berlemont <[email protected]>
Cc: Arnaldo Carvalho de Melo <[email protected]>
Cc: Borislav Petkov <[email protected]>
Cc: Corey Ashford <[email protected]>
Cc: David Ahern <[email protected]>
Cc: Frederic Weisbecker <[email protected]>
Cc: Ingo Molnar <[email protected]>
Cc: Namhyung Kim <[email protected]>
Cc: Paul Mackerras <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Stephane Eranian <[email protected]>
---
 tools/build/Makefile.build | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/tools/build/Makefile.build b/tools/build/Makefile.build
index 1646ab8b4812..cdcd78f024dc 100644
--- a/tools/build/Makefile.build
+++ b/tools/build/Makefile.build
@@ -32,6 +32,11 @@ subdir-obj-y :=
 build-file := $(dir)/Build
 include $(build-file)
 
+# Create directory unless it exists
+quiet_cmd_mkdir = MKDIR    $(dir $@)
+      cmd_mkdir = mkdir -p $(dir $@)
+     rule_mkdir = $(if $(wildcard $(dir $@)),,@$(call echo-cmd,mkdir) 
$(cmd_mkdir))
+
 # Compile command
 quiet_cmd_cc_o_c = CC       $@
       cmd_cc_o_c = $(CC) $(c_flags) -c -o $@ $<
@@ -44,9 +49,11 @@ quiet_cmd_ld_multi = LD       $@
 
 # Build rules
 $(OUTPUT)%.o: %.c FORCE
+       $(call rule_mkdir)
        $(call if_changed_dep,cc_o_c)
 
 $(OUTPUT)%.o: %.S FORCE
+       $(call rule_mkdir)
        $(call if_changed_dep,cc_o_c)
 
 # Gather build data:
-- 
1.9.3

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