X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=Makefile;h=5de1c504a401416e67d6960dd6aeb4c310c14c6e;hb=95fa0ea3d421772f29f78e3484ad824ffd5e8b6f;hp=38d518eedc1c9a13c8663f4cdf62ba92d9301b1a;hpb=0817d1372c7278afdefa2d525e578bca51dd1c07;p=oweals%2Fbusybox.git

diff --git a/Makefile b/Makefile
index 38d518eed..5de1c504a 100644
--- a/Makefile
+++ b/Makefile
@@ -19,117 +19,235 @@
 #
 
 PROG      := busybox
-VERSION   := 0.43
+VERSION   := 0.48
 BUILDTIME := $(shell TZ=UTC date --utc "+%Y.%m.%d-%H:%M%z")
+export VERSION
+
+# With a modern GNU make(1) (highly recommended, that's what all the
+# developers use), all of the following configuration values can be
+# overridden at the command line.  For example:
+#   make CROSS=powerpc-linux- BB_SRC_DIR=$HOME/busybox PREFIX=/mnt/app
+
+# If you want a static binary, turn this on.
+DOSTATIC = false
 
 # Set the following to `true' to make a debuggable build.
 # Leave this set to `false' for production use.
 # eg: `make DODEBUG=true tests'
+# Do not enable this for production builds...
 DODEBUG = false
 
-# If you want a static binary, turn this on.  I can't think
-# of many situations where anybody would ever want it static, 
-# but...
-DOSTATIC = false
+# This enables compiling with dmalloc ( http://dmalloc.com/ )
+# which is an excellent public domain mem leak and malloc problem
+# detector.  To enable dmalloc, before running busybox you will
+# want to first set up your environment.
+# eg: `export DMALLOC_OPTIONS=debug=0x14f47d83,inter=100,log=logfile`
+# Do not enable this for production builds...
+DODMALLOC = false
 
-# This will choke on a non-debian system
-ARCH =`uname -m | sed -e 's/i.86/i386/' | sed -e 's/sparc.*/sparc/'`
+# If you want large file summit support, turn this on.
+# This has no effect if you don't have a kernel with lfs
+# support, and a system with libc-2.1.3 or later.
+# Some of the programs that can benefit from lfs support
+# are dd, gzip, mount, tar, and mkfs_minix.
+# LFS allows you to use the above programs for files
+# larger than 2GB!
+DOLFS = false
 
-CC = gcc
+# If you have a "pristine" source directory, point BB_SRC_DIR to it.
+# Experimental and incomplete; tell the mailing list
+# <busybox@opensource.lineo.com> if you do or don't like it so far.
+BB_SRC_DIR = .
 
-GCCMAJVERSION = $(shell $(CC) --version | sed -n "s/^[^0-9]*\([0-9]\)\.\([0-9].*\)[\.].*/\1/p")
-GCCMINVERSION = $(shell $(CC) --version | sed -n "s/^[^0-9]*\([0-9]\)\.\([0-9].*\)[\.].*/\2/p")
+# If you are running a cross compiler, you may want to set this
+# to something more interesting, like "powerpc-linux-".
+CROSS =
+CC = $(CROSS)gcc
+STRIPTOOL = $(CROSS)strip
 
+# To compile vs an alternative libc, you may need to use/adjust
+# the following lines to meet your needs.  This is how I make
+# busybox compile with uC-Libc (needs BB_GETOPT and BB_FEATURE_NFSMOUNT
+# disabled at the moment).
+#LIBCDIR=/home/andersen/CVS/uClibc
+#LDFLAGS+=-nostdlib
+#LIBRARIES = $(LIBCDIR)/libc.a -lgcc
+#CROSS_CFLAGS+=-nostdinc -I$(LIBCDIR)/include -I$(GCCINCDIR)
+#GCCINCDIR = $(shell gcc -print-search-dirs | sed -ne "s/install: \(.*\)/\1include/gp")
 
-GCCSUPPORTSOPTSIZE = $(shell			\
-if ( test $(GCCMAJVERSION) -eq 2 ) ; then	\
-    if ( test $(GCCMINVERSION) -ge 66 ) ; then	\
-	echo "true";				\
-    else					\
-	echo "false";				\
-    fi;						\
-else						\
-    if ( test $(GCCMAJVERSION) -gt 2 ) ; then	\
-	echo "true";				\
-    else					\
-	echo "false";				\
-    fi;						\
-fi; )
+#--------------------------------------------------------
 
+# use '-Os' optimization if available, else use -O2
+OPTIMIZATION = $(shell if $(CC) -Os -S -o /dev/null -xc /dev/null >/dev/null 2>&1; \
+    then echo "-Os"; else echo "-O2" ; fi)
 
-ifeq ($(GCCSUPPORTSOPTSIZE), true)
-    OPTIMIZATION = -Os
-else
-    OPTIMIZATION = -O2
-endif
+WARNINGS = -Wall
 
-# Allow alternative stripping tools to be used...
-ifndef $(STRIPTOOL)
-    STRIPTOOL = strip
+ifeq ($(DOLFS),true)
+    # For large file summit support
+    CFLAGS+=-D_FILE_OFFSET_BITS=64
+endif
+ifeq ($(DODMALLOC),true)
+    # For testing mem leaks with dmalloc
+    CFLAGS+=-DDMALLOC
+    LIBRARIES = -ldmalloc
+    # Force debug=true, since this is useless when not debugging...
+    DODEBUG = true
 endif
-
-
-# -D_GNU_SOURCE is needed because environ is used in init.c
 ifeq ($(DODEBUG),true)
-    CFLAGS += -Wall -g -D_GNU_SOURCE
-    LDFLAGS = 
-    STRIP   =
+    CFLAGS  += $(WARNINGS) -g -D_GNU_SOURCE
+    LDFLAGS += -Wl,-warn-common
+    STRIP    =
 else
-    CFLAGS  += -Wall $(OPTIMIZATION) -fomit-frame-pointer -fno-builtin -D_GNU_SOURCE
-    LDFLAGS  = -s
+    CFLAGS  += $(WARNINGS) $(OPTIMIZATION) -fomit-frame-pointer -D_GNU_SOURCE
+    LDFLAGS += -s -Wl,-warn-common
     STRIP    = $(STRIPTOOL) --remove-section=.note --remove-section=.comment $(PROG)
-    #Only staticly link when _not_ debugging 
-    ifeq ($(DOSTATIC),true)
-	LDFLAGS += --static
-    endif
+endif
+ifeq ($(DOSTATIC),true)
+    LDFLAGS += --static
+    #
+    #use '-ffunction-sections -fdata-sections' and '--gc-sections' (if they 
+    # work) to try and strip out any unused junk.  Doesn't do much for me, 
+    # but you may want to give it a shot...
+    #
+    #ifeq ($(shell $(CC) -ffunction-sections -fdata-sections -S \
+    #	-o /dev/null -xc /dev/null 2>/dev/null && $(LD) \
+    #			--gc-sections -v >/dev/null && echo 1),1)
+    #	CFLAGS += -ffunction-sections -fdata-sections
+    #	LDFLAGS += --gc-sections
+    #endif
 endif
 
 ifndef $(PREFIX)
     PREFIX = `pwd`/_install
 endif
 
-LIBRARIES =
-OBJECTS   = $(shell ./busybox.sh) busybox.o messages.o utility.o
+# Additional complications due to support for pristine source dir.
+# Config.h in the build directory should take precedence over the
+# copy in BB_SRC_DIR, both during the compilation phase and the
+# shell script that finds the list of object files.
+#
+# Work in progress by <ldoolitt@recycle.lbl.gov>.
+# If it gets in your way, set DISABLE_VPATH=yes
+ifeq ($(DISABLE_VPATH),yes)
+    CONFIG_H = Config.h
+else
+    VPATH = .:$(BB_SRC_DIR)
+    CONFIG_LIST = $(addsuffix /Config.h,$(subst :, ,$(VPATH)))
+    CONFIG_H    = $(word 1,$(shell ls -f -1 $(CONFIG_LIST) 2>/dev/null))
+    CFLAGS += -I- $(patsubst %,-I%,$(subst :, ,$(VPATH))) $(CROSS_CFLAGS)
+endif
+
+OBJECTS   = $(shell $(BB_SRC_DIR)/busybox.sh $(CONFIG_H) $(BB_SRC_DIR)) busybox.o messages.o usage.o utility.o
 CFLAGS    += -DBB_VER='"$(VERSION)"'
 CFLAGS    += -DBB_BT='"$(BUILDTIME)"'
 ifdef BB_INIT_SCRIPT
     CFLAGS += -DINIT_SCRIPT='"$(BB_INIT_SCRIPT)"'
 endif
 
-all: busybox busybox.links
-.PHONY: all
 
-busybox: $(OBJECTS)
+all: busybox busybox.links doc
+
+doc: olddoc
+
+# Old Docs...
+olddoc: docs/BusyBox.txt docs/BusyBox.1 docs/BusyBox.html
+
+docs/BusyBox.txt: docs/busybox.pod
+	@echo
+	@echo BusyBox Documentation
+	@echo
+	-mkdir -p docs
+	-pod2text $(BB_SRC_DIR)/docs/busybox.pod > docs/BusyBox.txt
+
+docs/BusyBox.1: docs/busybox.pod
+	- mkdir -p docs
+	- pod2man --center=BusyBox --release="version $(VERSION)" \
+		$(BB_SRC_DIR)/docs/busybox.pod > docs/BusyBox.1
+
+docs/BusyBox.html: docs/busybox.lineo.com/BusyBox.html
+	-@ rm -f docs/BusyBox.html
+	-@ ln -s busybox.lineo.com/BusyBox.html docs/BusyBox.html
+
+docs/busybox.lineo.com/BusyBox.html: docs/busybox.pod
+	-@ mkdir -p docs/busybox.lineo.com
+	-  pod2html --noindex $(BB_SRC_DIR)/docs/busybox.pod > \
+	    docs/busybox.lineo.com/BusyBox.html
+	-@ rm -f pod2html*
+
+
+# New docs based on DOCBOOK SGML
+newdoc: docs/busybox.txt docs/busybox.pdf docs/busybox/busyboxdocumentation.html
+
+docs/busybox.txt: docs/busybox.sgml
+	@echo
+	@echo BusyBox Documentation
+	@echo
+	- mkdir -p docs
+	(cd docs; sgmltools -b txt busybox.sgml)
+
+docs/busybox.dvi: docs/busybox.sgml
+	- mkdir -p docs
+	(cd docs; sgmltools -b dvi busybox.sgml)
+
+docs/busybox.ps: docs/busybox.sgml
+	- mkdir -p docs
+	(cd docs; sgmltools -b ps busybox.sgml)
+
+docs/busybox.pdf: docs/busybox.ps
+	- mkdir -p docs
+	(cd docs; ps2pdf busybox.ps)
+
+docs/busybox/busyboxdocumentation.html: docs/busybox.sgml
+	- mkdir -p docs
+	(cd docs/busybox.lineo.com; sgmltools -b html ../busybox.sgml)
+
+
+
+busybox: $(OBJECTS) 
 	$(CC) $(LDFLAGS) -o $@ $^ $(LIBRARIES)
 	$(STRIP)
 
-busybox.links: busybox.def.h
-	- ./busybox.mkll | sort >$@
+busybox.links: Config.h
+	- $(BB_SRC_DIR)/busybox.mkll $(CONFIG_H) $(BB_SRC_DIR)/applets.h >$@
 
-regexp.o nfsmount.o: %.o: %.h
-$(OBJECTS): %.o: busybox.def.h internal.h  %.c
+nfsmount.o cmdedit.o: %.o: %.h
+$(OBJECTS): %.o: %.c Config.h busybox.h Makefile
+
+utility.o: loop.h
+
+loop.h: mk_loop_h.sh
+	@ sh $<
 
-.PHONY: test tests
 test tests:
 	cd tests && $(MAKE) all
 
-.PHONY: clean
 clean:
-	- rm -f busybox.links *~ *.o core
-	- rm -rf _install
 	- cd tests && $(MAKE) clean
+	- rm -f docs/BusyBox.txt docs/BusyBox.1 docs/BusyBox.html \
+	    docs/busybox.lineo.com/BusyBox.html
+	- rm -f docs/busybox.txt docs/busybox.dvi docs/busybox.ps \
+	    docs/busybox.pdf docs/busybox.lineo.com/busybox.html
+	- rm -rf docs/busybox _install
+	- rm -f busybox.links loop.h *~ *.o core
 
-.PHONY: distclean
 distclean: clean
 	- rm -f busybox
 	- cd tests && $(MAKE) distclean
 
-.PHONY: install
 install: busybox busybox.links
-	./install.sh $(PREFIX)
+	$(BB_SRC_DIR)/install.sh $(PREFIX)
+
+install-hardlinks: busybox busybox.links
+	$(BB_SRC_DIR)/install.sh $(PREFIX) --hardlinks
 
-.PHONY: dist release
-dist release: distclean
+debug_pristine:
+	@ echo VPATH=\"$(VPATH)\"
+	@ echo CONFIG_LIST=\"$(CONFIG_LIST)\"
+	@ echo CONFIG_H=\"$(CONFIG_H)\"
+	@ echo OBJECTS=\"$(OBJECTS)\"
+
+dist release: distclean doc
 	cd ..;					\
 	rm -rf busybox-$(VERSION);		\
 	cp -a busybox busybox-$(VERSION);	\
@@ -144,4 +262,13 @@ dist release: distclean
 				 -print		\
 		| xargs rm -f;			\
 						\
+	find busybox-$(VERSION)/ -type f	\
+				 -name .\#*	\
+				 -print		\
+		| xargs rm -f;			\
+						\
 	tar -cvzf busybox-$(VERSION).tar.gz busybox-$(VERSION)/;
+
+.PHONY: tags
+tags:
+	ctags -R .