2 files changed, 58 insertions, 46 deletions

diff --git a/tools/perf/Makefile b/tools/perf/Makefile
index 820371f10d1b..4ca77cc0f284 100644
--- a/tools/perf/Makefile
+++ b/tools/perf/Makefile
@@ -1,18 +1,10 @@
-ifeq ("$(origin O)", "command line")
-        OUTPUT := $(O)/
-endif
+include ../scripts/Makefile.include
 
 # The default target of this Makefile is...
 all:
 
 include config/utilities.mak
 
-ifneq ($(OUTPUT),)
-# check that the output directory actually exists
-OUTDIR := $(shell cd $(OUTPUT) && /bin/pwd)
-$(if $(OUTDIR),, $(error output directory "$(OUTPUT)" does not exist))
-endif
-
 # Define V to have a more verbose compile.
 #
 # Define O to save output files in a separate directory.
@@ -84,31 +76,6 @@ ifneq ($(WERROR),0)
         CFLAGS_WERROR := -Werror
 endif
 
-#
-# Include saner warnings here, which can catch bugs:
-#
-
-EXTRA_WARNINGS := -Wformat
-EXTRA_WARNINGS := $(EXTRA_WARNINGS) -Wformat-security
-EXTRA_WARNINGS := $(EXTRA_WARNINGS) -Wformat-y2k
-EXTRA_WARNINGS := $(EXTRA_WARNINGS) -Wshadow
-EXTRA_WARNINGS := $(EXTRA_WARNINGS) -Winit-self
-EXTRA_WARNINGS := $(EXTRA_WARNINGS) -Wpacked
-EXTRA_WARNINGS := $(EXTRA_WARNINGS) -Wredundant-decls
-EXTRA_WARNINGS := $(EXTRA_WARNINGS) -Wstrict-aliasing=3
-EXTRA_WARNINGS := $(EXTRA_WARNINGS) -Wswitch-default
-EXTRA_WARNINGS := $(EXTRA_WARNINGS) -Wswitch-enum
-EXTRA_WARNINGS := $(EXTRA_WARNINGS) -Wno-system-headers
-EXTRA_WARNINGS := $(EXTRA_WARNINGS) -Wundef
-EXTRA_WARNINGS := $(EXTRA_WARNINGS) -Wwrite-strings
-EXTRA_WARNINGS := $(EXTRA_WARNINGS) -Wbad-function-cast
-EXTRA_WARNINGS := $(EXTRA_WARNINGS) -Wmissing-declarations
-EXTRA_WARNINGS := $(EXTRA_WARNINGS) -Wmissing-prototypes
-EXTRA_WARNINGS := $(EXTRA_WARNINGS) -Wnested-externs
-EXTRA_WARNINGS := $(EXTRA_WARNINGS) -Wold-style-definition
-EXTRA_WARNINGS := $(EXTRA_WARNINGS) -Wstrict-prototypes
-EXTRA_WARNINGS := $(EXTRA_WARNINGS) -Wdeclaration-after-statement
-
 ifeq ("$(origin DEBUG)", "command line")
   PERF_DEBUG = $(DEBUG)
 endif
@@ -679,18 +646,6 @@ else
         endif
 endif
 
-ifneq ($(findstring $(MAKEFLAGS),s),s)
-ifndef V
-        QUIET_CC       = @echo '   ' CC $@;
-        QUIET_AR       = @echo '   ' AR $@;
-        QUIET_LINK     = @echo '   ' LINK $@;
-        QUIET_MKDIR    = @echo '   ' MKDIR $@;
-        QUIET_GEN      = @echo '   ' GEN $@;
-        QUIET_FLEX     = @echo '   ' FLEX $@;
-        QUIET_BISON    = @echo '   ' BISON $@;
-endif
-endif
-
 ifdef ASCIIDOC8
         export ASCIIDOC8
 endif
diff --git a/tools/scripts/Makefile.include b/tools/scripts/Makefile.include
new file mode 100644
index 000000000000..52348d3bd8d3
--- /dev/null
+++ b/tools/scripts/Makefile.include
@@ -0,0 +1,57 @@
+ifeq ("$(origin O)", "command line")
+        OUTPUT := $(O)/
+endif
+
+ifneq ($(OUTPUT),)
+# check that the output directory actually exists
+OUTDIR := $(shell cd $(OUTPUT) && /bin/pwd)
+$(if $(OUTDIR),, $(error output directory "$(OUTPUT)" does not exist))
+endif
+
+#
+# Include saner warnings here, which can catch bugs:
+#
+EXTRA_WARNINGS := -Wformat
+EXTRA_WARNINGS := $(EXTRA_WARNINGS) -Wformat-security
+EXTRA_WARNINGS := $(EXTRA_WARNINGS) -Wformat-y2k
+EXTRA_WARNINGS := $(EXTRA_WARNINGS) -Wshadow
+EXTRA_WARNINGS := $(EXTRA_WARNINGS) -Winit-self
+EXTRA_WARNINGS := $(EXTRA_WARNINGS) -Wpacked
+EXTRA_WARNINGS := $(EXTRA_WARNINGS) -Wredundant-decls
+EXTRA_WARNINGS := $(EXTRA_WARNINGS) -Wstrict-aliasing=3
+EXTRA_WARNINGS := $(EXTRA_WARNINGS) -Wswitch-default
+EXTRA_WARNINGS := $(EXTRA_WARNINGS) -Wswitch-enum
+EXTRA_WARNINGS := $(EXTRA_WARNINGS) -Wno-system-headers
+EXTRA_WARNINGS := $(EXTRA_WARNINGS) -Wundef
+EXTRA_WARNINGS := $(EXTRA_WARNINGS) -Wwrite-strings
+EXTRA_WARNINGS := $(EXTRA_WARNINGS) -Wbad-function-cast
+EXTRA_WARNINGS := $(EXTRA_WARNINGS) -Wmissing-declarations
+EXTRA_WARNINGS := $(EXTRA_WARNINGS) -Wmissing-prototypes
+EXTRA_WARNINGS := $(EXTRA_WARNINGS) -Wnested-externs
+EXTRA_WARNINGS := $(EXTRA_WARNINGS) -Wold-style-definition
+EXTRA_WARNINGS := $(EXTRA_WARNINGS) -Wstrict-prototypes
+EXTRA_WARNINGS := $(EXTRA_WARNINGS) -Wdeclaration-after-statement
+
+ifneq ($(findstring $(MAKEFLAGS), w),w)
+PRINT_DIR = --no-print-directory
+else
+NO_SUBDIR = :
+endif
+
+QUIET_SUBDIR0  = +$(MAKE) -C # space to separate -C and subdir
+QUIET_SUBDIR1  =
+
+ifneq ($(findstring $(MAKEFLAGS),s),s)
+ifndef V
+        QUIET_CC       = @echo '   ' CC $@;
+        QUIET_AR       = @echo '   ' AR $@;
+        QUIET_LINK     = @echo '   ' LINK $@;
+        QUIET_MKDIR    = @echo '   ' MKDIR $@;
+        QUIET_GEN      = @echo '   ' GEN $@;
+        QUIET_SUBDIR0  = +@subdir=
+        QUIET_SUBDIR1  = ;$(NO_SUBDIR) echo '   ' SUBDIR $$subdir; \
+                         $(MAKE) $(PRINT_DIR) -C $$subdir
+        QUIET_FLEX     = @echo '   ' FLEX $@;
+        QUIET_BISON    = @echo '   ' BISON $@;
+endif
+endif