tools: Define a Makefile function to do subdir processing

[~andy/linux] / tools / scripts / Makefile.include

diff --git a/tools/scripts/Makefile.include b/tools/scripts/Makefile.include
index 96ce80a3743ba22e13935f238e9835aca8923326..4a9e3176f7437bebd37eabf82e65e0abcc3cbda8 100644 (file)
--- a/tools/scripts/Makefile.include
+++ b/tools/scripts/Makefile.include
@@ -41,6 +41,14 @@ else
 NO_SUBDIR = :
 endif
 
+#
+# Define a callable command for descending to a new directory
+#
+# Call by doing: $(call descend,directory[,target])
+#
+descend = \
+       $(QUIET_SUBDIR0)$(1) $(QUIET_SUBDIR1) $(2)
+
 QUIET_SUBDIR0  = +$(MAKE) -C # space to separate -C and subdir
 QUIET_SUBDIR1  =