[RFC PATCH 1/7] perf: initial infrasructure for kbuild/kconfig

[David Ahern]

Need help adapting the build targets from the top level Makefile.

For this RFC series, the commands can be run manually:
$ cd tools/perf
$ ../../scripts/kconfig/conf --allyesconfig  Pconfig
--> generates .config for perf

$ mkdir include/config
$ mkdir include/generated
$ /tmp/kbuild/scripts/kconfig/conf --silentoldconfig Pconfig
--> takes .config and generates include/config/auto.conf and
    include/generated/autoconf.h

Signed-off-by: David Ahern <dsahern@xxxxxxxxx>
---
 tools/perf/Makefile |    6 +++++-
 tools/perf/Pconfig  |   17 +++++++++++++++++
 2 files changed, 22 insertions(+), 1 deletion(-)
 create mode 100644 tools/perf/Pconfig

diff --git a/tools/perf/Makefile b/tools/perf/Makefile
index 90cfecf..70b4ae9 100644
--- a/tools/perf/Makefile
+++ b/tools/perf/Makefile
@@ -5,6 +5,9 @@ all:
 
 include config/utilities.mak
 
+# Read in config
+-include include/config/auto.conf
+
 # Define V to have a more verbose compile.
 #
 # Define O to save output files in a separate directory.
@@ -167,7 +170,7 @@ endif
 
 ### --- END CONFIGURATION SECTION ---
 
-BASIC_CFLAGS = -Iutil/include -Iarch/$(ARCH)/include -I$(OUTPUT)util -I$(TRACE_EVENT_DIR) -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE
+BASIC_CFLAGS = -Iinclude -Iutil/include -Iarch/$(ARCH)/include -I$(OUTPUT)util -I$(TRACE_EVENT_DIR) -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE
 BASIC_LDFLAGS =
 
 # Guard against environment variables
@@ -336,6 +339,7 @@ LIB_H += util/intlist.h
 LIB_H += util/perf_regs.h
 LIB_H += util/unwind.h
 LIB_H += ui/helpline.h
+LIB_H += include/generated/autoconf.h
 
 LIB_OBJS += $(OUTPUT)util/abspath.o
 LIB_OBJS += $(OUTPUT)util/alias.o
diff --git a/tools/perf/Pconfig b/tools/perf/Pconfig
new file mode 100644
index 0000000..24c8655
--- /dev/null
+++ b/tools/perf/Pconfig
@@ -0,0 +1,17 @@
+config NEWT
+    bool "Enable newt-based TUI"
+
+config GTK2
+    bool "Enable GTK-based UI"
+
+config LIBUNWIND
+    bool "Enable support for libunwind"
+
+config DEMANGLE
+    bool "Enable support for demangle"
+
+config LIBPERL
+    bool "Enable support for perl scripting engine"
+
+config LIBPYTHON
+    bool "Enable support for python scripting engine"
-- 
1.7.10.1

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