Yet another major rework of the BusyBox config system, using the considerably

modified Kbuild system I put into uClibc.  With this, there should be no more
need to modify Rules.mak since I've moved all the interesting options into the
config system.  I think I've got everything updated, but you never know, I may
have made some mistakes, so watch closely.
 -Erik


git-svn-id: svn://busybox.net/trunk/busybox@6102 69ca8d6d-28ef-0310-b511-8ec308f3f277

1 files changed, 76 insertions, 87 deletions

diff --git a/Makefile b/Makefile
index d61d945a6..69ab48ec3 100644
--- a/Makefile
+++ b/Makefile
@@ -17,34 +17,27 @@
 # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 #
 
-TOPDIR:= $(shell /bin/pwd)/
-include $(TOPDIR).config
-include $(TOPDIR)Rules.mak
-SUBDIRS:=applets archival archival/libunarchive console-tools debianutils \
+#--------------------------------------------------------------
+# You shouldn't need to mess with anything beyond this point...
+#--------------------------------------------------------------
+noconfig_targets := menuconfig config oldconfig randconfig \
+        defconfig allyesconfig allnoconfig clean distclean \
+        release tags
+TOPDIR=./
+include Rules.mak
+
+DIRS:=applets archival archival/libunarchive console-tools debianutils \
         editors fileutils findutils init miscutils modutils networking \
         networking/libiproute networking/udhcp procps loginutils shell \
         shellutils sysklogd textutils util-linux libbb libpwdgrp
 
-all:    do-it-all
+ifdef include_config
 
-#
-# Make "config" the default target if there is no configuration file or
-# "depend" the target if there is no top-level dependency information.
-ifeq (.config,$(wildcard .config))
-include .config
-ifeq (.depend,$(wildcard .depend))
-include .depend 
-do-it-all:      busybox busybox.links #doc
-include $(patsubst %,%/Makefile.in, $(SUBDIRS))
-else
-CONFIGURATION = depend
-do-it-all:      depend
-endif
-else
-CONFIGURATION = menuconfig
-do-it-all:      menuconfig
-endif
+all: busybox busybox.links #doc
 
+# In this section, we need .config
+-include .config.cmd
+include $(patsubst %,%/Makefile.in, $(DIRS))
 
 busybox: depend $(libraries-y)
         $(CC) $(LDFLAGS) -o $@ $(libraries-y) $(LIBRARIES)
@@ -124,92 +117,88 @@ docs/busybox/busyboxdocumentation.html: docs/busybox.sgml
         - mkdir -p docs
         (cd docs/busybox.net; sgmltools -b html ../busybox.sgml)
 
-
-
 # The nifty new buildsystem stuff
-$(TOPDIR)scripts/mkdep: scripts/mkdep.c
+scripts/mkdep: scripts/mkdep.c
         $(HOSTCC) $(HOSTCFLAGS) -o scripts/mkdep scripts/mkdep.c
 
-$(TOPDIR)scripts/split-include: scripts/split-include.c
+scripts/split-include: scripts/split-include.c
         $(HOSTCC) $(HOSTCFLAGS) -o scripts/split-include scripts/split-include.c
 
-$(TOPDIR).depend: $(TOPDIR)scripts/mkdep
+.depend: scripts/mkdep
         rm -f .depend .hdepend;
-        mkdir -p $(TOPDIR)include/config;
+        mkdir -p include/config;
         $(HOSTCC) $(HOSTCFLAGS) -o scripts/mkdep scripts/mkdep.c
-        scripts/mkdep -I $(TOPDIR)include -- \
-                `find $(TOPDIR) -name \*.c -print` >> .depend;
-        scripts/mkdep -I $(TOPDIR)include -- \
-                `find $(TOPDIR) -name \*.h -print` >> .hdepend;
-        $(MAKE) $(patsubst %,_sfdep_%,$(SUBDIRS)) _FASTDEP_ALL_SUB_DIRS="$(SUBDIRS)" ;
-        @ echo -e "\n\nNow run 'make' to build BusyBox\n\n"
-
-depend dep: $(TOPDIR)include/config.h $(TOPDIR).depend
+        scripts/mkdep -I include -- \
+                `find . -name \*.c -print` >> .depend;
+        scripts/mkdep -I include -- \
+                `find . -name \*.h -print` >> .hdepend;
+        $(MAKE) $(patsubst %,_sfdep_%,$(DIRS)) _FASTDEP_ALL_SUB_DIRS="$(DIRS)" ;
 
-BB_SHELL := ${shell if [ -x "$$BASH" ]; then echo $$BASH; \
-        else if [ -x /bin/bash ]; then echo /bin/bash; \
-        else echo sh; fi ; fi}
+depend dep: include/config.h .depend
 
-include/config/MARKER: depend $(TOPDIR)scripts/split-include
+include/config/MARKER: depend scripts/split-include
         scripts/split-include include/config.h include/config
         @ touch include/config/MARKER
 
-$(TOPDIR)include/config.h:
-        @if [ ! -f $(TOPDIR)include/config.h ] ; then \
-                make oldconfig; \
+include/config.h: .config
+        @if [ ! -x ./scripts/config/conf ] ; then \
+            make -C scripts/config; \
         fi;
+        @./scripts/config/conf -o sysdeps/$(TARGET_OS)/Config.in
 
-$(TOPDIR).config:
-        @if [ ! -f $(TOPDIR).config ] ; then \
-            cp $(TOPDIR)sysdeps/$(TARGET_OS)/defconfig $(TOPDIR).config; \
-        fi;
+%.o: %.c
+        $(CC) $(CFLAGS) $(EXTRA_CFLAGS) -c -o $@ $<
 
-menuconfig: $(TOPDIR).config
-        mkdir -p $(TOPDIR)include/config
-        $(MAKE) -C scripts/lxdialog all
-        $(BB_SHELL) scripts/Menuconfig sysdeps/$(TARGET_OS)/config.in
+finished2:
+        @echo
+        @echo Finished installing...
+        @echo
 
-config: $(TOPDIR).config
-        mkdir -p $(TOPDIR)include/config
-        $(BB_SHELL) scripts/Configure sysdeps/$(TARGET_OS)/config.in
+else # ifdef include_config
 
-oldconfig: $(TOPDIR).config
-        mkdir -p $(TOPDIR)include/config
-        $(BB_SHELL) scripts/Configure -d sysdeps/$(TARGET_OS)/config.in
+all: menuconfig
 
+ifeq ($(filter-out $(noconfig_targets),$(MAKECMDGOALS)),)
+# Targets which don't need .config
 
-ifdef CONFIGURATION
-..$(CONFIGURATION):
-        @echo
-        @echo "You have a bad or nonexistent" .$(CONFIGURATION) ": running 'make" $(CONFIGURATION)"'"
-        @echo
-        $(MAKE) $(CONFIGURATION)
-        @echo
-        @echo "Successful. Try re-making (ignore the error that follows)"
-        @echo
-        exit 1
+# configuration
+# ---------------------------------------------------------------------------
 
-dummy:
+scripts/config/conf scripts/config/mconf:
+        make -C scripts/config
+        -@if [ ! -f .config ] ; then \
+                cp sysdeps/$(TARGET_OS)/defconfig .config; \
+        fi
 
-else
+menuconfig: scripts/config/mconf
+        @./scripts/config/mconf sysdeps/$(TARGET_OS)/Config.in
 
-dummy:
+config: scripts/config/conf
+        @./scripts/config/conf sysdeps/$(TARGET_OS)/Config.in
 
-endif
+oldconfig: scripts/config/conf
+        @./scripts/config/conf -o sysdeps/$(TARGET_OS)/Config.in
 
+randconfig: scripts/config/conf
+        @./scripts/config/conf -r sysdeps/$(TARGET_OS)/Config.in
 
-%.o: %.c
-        $(CC) $(CFLAGS) $(EXTRA_CFLAGS) -c -o $@ $<
+allyesconfig: scripts/config/conf
+        @./scripts/config/conf -y sysdeps/$(TARGET_OS)/Config.in
+
+allnoconfig: scripts/config/conf
+        @./scripts/config/conf -n sysdeps/$(TARGET_OS)/Config.in
 
+defconfig: scripts/config/conf
+        @./scripts/config/conf -d sysdeps/$(TARGET_OS)/Config.in
 
-# Testing...
-test tests:
-        # old way of doing it
-        #cd tests && $(MAKE) all
-        # new way of doing it
+test tests: busybox
+        # Note that 'tests' is depricated.  Use 'make check' instead
+        # To use the nice new testsuite....
         cd tests && ./tester.sh
 
-# Cleanup
+check: busybox
+        cd testsuite && ./runtest
+
 clean:
         - $(MAKE) -C tests clean
         - $(MAKE) -C scripts/lxdialog clean
@@ -227,10 +216,9 @@ clean:
         - find . -name \*.a -exec rm -f {} \;
 
 distclean: clean
-        - rm -f busybox 
-        - cd tests && $(MAKE) distclean
+        rm -f .config .config.old .config.cmd
 
-dist release: distclean doc
+release: distclean #doc
         cd ..;                                  \
         rm -rf busybox-$(VERSION);              \
         cp -a busybox busybox-$(VERSION);       \
@@ -247,13 +235,14 @@ dist release: distclean doc
                                                 \
         tar -cvzf busybox-$(VERSION).tar.gz busybox-$(VERSION)/;
 
+tags:
+        ctags -R .
 
 
-.PHONY: tags check depend
+endif # ifeq ($(filter-out $(noconfig_targets),$(MAKECMDGOALS)),)
+endif # ifdef include_config
 
-tags:
-        ctags -R .
+.PHONY: dummy subdirs release distclean clean config oldconfig \
+        menuconfig tags check test tests depend
 
-check: busybox
-        cd testsuite && ./runtest