[Minios-devel] [UNIKRAFT PATCH v2 15/23] build: Use kconfiglib from Unikraft

[Sharan Santhanam <sharan.santhanam@xxxxxxxxx>]

The patch introduces the kmenuconfig, guiconfig rules to use with
kconfiglib.

Signed-off-by: Sharan Santhanam <sharan.santhanam@xxxxxxxxx>
---
 Makefile | 45 ++++++++++++++++++++++++++++++++++++++++++---
 1 file changed, 42 insertions(+), 3 deletions(-)

diff --git a/Makefile b/Makefile
index c7a6a99f..f7342962 100644
--- a/Makefile
+++ b/Makefile
@@ -128,6 +128,7 @@ ELIB_DIR := $(realpath $(patsubst %/,%,$(patsubst 
%.,%,$(ELIB_DIR))))
 CONFIG_DIR            := $(CONFIG_UK_APP)
 CONFIG_CONFIG_IN      := $(CONFIG_UK_BASE)/Config.uk
 CONFIG                := $(CONFIG_UK_BASE)/support/kconfig.new
+CONFIGLIB            := $(CONFIG_UK_BASE)/support/kconfiglib
 UK_CONFIG             := $(CONFIG_DIR)/.config
 UK_CONFIG_OUT         := $(BUILD_DIR)/config
 UK_GENERATED_INCLUDES := $(BUILD_DIR)/include
@@ -161,9 +162,13 @@ export DATE := $(shell date +%Y%m%d)
 
 # Makefile targets
 null_targets           := print-version print-vars help
-noconfig_targets       := menuconfig nconfig gconfig xconfig config oldconfig 
randconfig \
-                          defconfig %_defconfig allyesconfig allnoconfig 
silentoldconfig release \
-                          olddefconfig properclean distclean $(null_targets)
+noconfig_targets       := ukconfig menuconfig nconfig gconfig xconfig config \
+                          oldconfig randconfig \
+                          defconfig %_defconfig allyesconfig allnoconfig \
+                          silentoldconfig \
+                          release olddefconfig properclean distclean \
+                          scriptconfig iscriptconfig kmenuconfig guiconfig \
+                          dumpvarsconfig $(null_targets)
 
 # To put more focus on warnings, be less verbose as default
 # Use 'make V=1' to see the full commands
@@ -694,6 +699,38 @@ COMMON_CONFIG_ENV = \
        KCONFIG_EPLAT_IN="$(KCONFIG_EPLAT_IN)" \
        UK_NAME="$(CONFIG_UK_NAME)"
 
+PHONY += scriptconfig iscriptconfig kmenuconfig guiconfig dumpvarsconfig
+
+PYTHONCMD ?= python
+kpython := PYTHONPATH=$(UK_CONFIGLIB):$$PYTHONPATH $(PYTHONCMD)
+
+ifneq ($(filter scriptconfig,$(MAKECMDGOALS)),)
+ifndef SCRIPT
+$(error Use "make scriptconfig SCRIPT=<path to script> 
[SCRIPT_ARG=<argument>]")
+endif
+endif
+
+scriptconfig: $(KCONFIG_APP_IN) $(KCONFIG_ELIB_IN) $(KCONFIG_EPLAT_IN)
+       $(Q)$(kpython) $(SCRIPT) $(Kconfig) $(if $(SCRIPT_ARG),"$(SCRIPT_ARG)")
+
+iscriptconfig: $(KCONFIG_APP_IN) $(KCONFIG_ELIB_IN) $(KCONFIG_EPLAT_IN) 
$(KCONFIG_EPLAT_IN)
+       $(Q)$(kpython) -i -c \
+         "import kconfiglib; \
+          kconf = kconfiglib.Kconfig('$(UK_CONFIG)'); \
+          print('A Kconfig instance \'kconf\' for the architecture $(ARCH) has 
been created.')"
+
+kmenuconfig:$(KCONFIG_DIR)/fixdep $(KCONFIG_APP_IN) $(KCONFIG_ELIB_IN) 
$(KCONFIG_EPLAT_IN)
+       @$(COMMON_CONFIG_ENV) $(kpython) $(CONFIGLIB)/menuconfig.py 
$(CONFIG_CONFIG_IN)
+       @$(SCRIPTS_DIR)/configupdate $(UK_CONFIG) $(UK_CONFIG_OUT)
+
+guiconfig: $(KCONFIG_APP_IN) $(KCONFIG_ELIB_IN) $(KCONFIG_EPLAT_IN)
+       @$(kpython) $(CONFIGLIB)/guiconfig.py $(CONFIG_CONFIG_IN)
+       @$(SCRIPTS_DIR)/configupdate $(UK_CONFIG) $(UK_CONFIG_OUT)
+
+dumpvarsconfig: $(KCONFIG_APP_IN) $(KCONFIG_ELIB_IN) $(KCONFIG_EPLAT_IN)
+       $(Q)$(kpython) $(CONFIGLIB)/examples/dumpvars.py $(CONFIG_CONFIG_IN)
+       @$(SCRIPTS_DIR)/configupdate $(UK_CONFIG) $(UK_CONFIG_OUT)
+
 xconfig: $(KCONFIG_DIR)/qconf $(KCONFIG_APP_IN) $(KCONFIG_ELIB_IN) 
$(KCONFIG_EPLAT_IN)
        @$(COMMON_CONFIG_ENV) $< $(CONFIG_CONFIG_IN)
        @$(SCRIPTS_DIR)/configupdate $(UK_CONFIG) $(UK_CONFIG_OUT)
@@ -862,6 +899,8 @@ help:
        @echo 'Configuration:'
        @echo '* menuconfig             - interactive curses-based configurator'
        @echo '                           (default target when no config 
exists)'
+       @echo '  kmenuconfig            - interactive python based configurator'
+       @echo '  guiconfig              - interactive python based configurator'
        @echo '  nconfig                - interactive ncurses-based 
configurator'
        @echo '  xconfig                - interactive Qt-based configurator'
        @echo '  gconfig                - interactive GTK-based configurator'
-- 
2.20.1


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