From 91ecd00cc83cf701fe7f73b1aa244c27174e8386 Mon Sep 17 00:00:00 2001
From: Kacper <kacper@mail.openlinux.dev>
Date: Tue, 16 Dec 2025 00:36:30 +0100
Subject: Add init prog, chroot syscall and fix menuconfig build

---
 makefile | 43 ++++++++++++++++++++++++++++++++++---------
 1 file changed, 34 insertions(+), 9 deletions(-)

(limited to 'makefile')

diff --git a/makefile b/makefile
index 19d61f2d..07f101f1 100644
--- a/makefile
+++ b/makefile
@@ -42,7 +42,13 @@ ifeq ($(CCACHE),1)
   CC      := ccache $(CC)
 endif
 
-export CC LD AR STRIP CROSS_COMPILE ARCH
+ifndef O
+  O := $(srctree)/dist
+else
+  O := $(srctree)/$(O)
+endif
+
+export CC LD AR STRIP CROSS_COMPILE ARCH O
 
 ifeq ($(V),1)
   Q :=
@@ -120,25 +126,29 @@ PHONY :=
 export Q srctree MAKEFLAGS KCONFIG_CONFIG \
        KBUILD_CFLAGS KBUILD_ASFLAGS KBUILD_LDFLAGS
 
+PHONY += install
 all: compile_commands.json
 	$(Q)$(MAKE) -f scripts/makefile.build obj=$(obj)
 
+PHONY += install
+install: all
+	$(Q)$(MAKE) -f scripts/makefile.build obj=$(obj) install
+	mkdir -p $(O)/usr
+	cp -r $(srctree)/include $(O)/usr/
+	rm -rf $(O)/usr/include/arch $(O)/usr/include/generated ${O}/usr/include/config
+
+PHONY += clean
 clean:
 	$(Q)$(MAKE) -f scripts/makefile.build obj=$(obj) clean
 	$(Q)rm -f $(srctree)/include/config/auto.conf
 	$(Q)rm -f $(srctree)/include/generated/autoconf.h
+	$(Q)rm -rf $(srctree)/dist
 
+PHONY += distclean
 distclean: clean
 	$(Q)$(MAKE) -C scripts/kconfig clean
 	$(Q)rm -f compile_commands.json
 
-info:
-	echo "CC:      $(CC)"
-	echo "ARCH:    $(ARCH)"
-	echo "CFLAGS:  $(KBUILD_CFLAGS)"
-	echo "LDFLAGS: $(KBUILD_LDFLAGS)"
-	echo "ASFLAGS: $(KBUILD_ASFLAGS)"
-
 $(KCONFIG_CONFIG):
 	@echo >&2 '***'
 	@echo >&2 '*** Configuration file "$@" not found!'
@@ -148,13 +158,26 @@ $(KCONFIG_CONFIG):
 	@echo >&2 '***'
 	@false
 
+PHONY += help
+help:
+	@echo "Available make targets:"
+	@echo "  all                  - Build the project (default)"
+	@echo "  install              - Install the built files"
+	@echo "  clean                - Clean build files"
+	@echo "  distclean            - Clean all generated files"
+	@echo "  menuconfig           - Launch the menu-based configuration tool"
+	@echo "  include-what-you-use - Run include-what-you-use on the source files"
+	@echo "  clang-tidy           - Run clang-tidy on the source files"
+	@echo "  clang-format         - Format source files using clang-format"
+
 compile_commands.json:
 	$(Q)bear -- $(MAKE) -f scripts/makefile.build obj=$(obj) all
 
 PHONY += menuconfig
 menuconfig:
-	$(Q)$(MAKE) -f scripts/kconfig/makefile menuconfig
+	$(Q)$(MAKE) -C $(srctree)/scripts/kconfig menuconfig
 
+PHONY += include-what-you-use
 include-what-you-use: compile_commands.json
 	$(Q)iwyu_tool.py -p. -j4 -- -Xiwyu --update_comments -Xiwyu --transitive_includes_only -Xiwyu --no_internal_mappings | \
 		fix_includes.py --comments \
@@ -163,10 +186,12 @@ include-what-you-use: compile_commands.json
 			--update_comments \
 			--reorder
 
+PHONY += clang-tidy
 clang-tidy: compile_commands.json
 	$(Q)clang-tidy -header-filter=.* -p=. -fix -fix-errors $(shell find . -name '*.c' -o -name '*.h' | grep -v './scripts/\|dtoa\|linux\|arch\|bits\|libm') \
 		--export-fixes=clang-tidy-fixes.yaml
 
+PHONY += clang-format
 clang-format:
 	$(Q)clang-format -i $(shell find . -name '*.c' -o -name '*.h' | grep -v './scripts/')
 
-- 
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