# overridden at the command line. For example:
# make CROSS=powerpc-linux- BB_SRC_DIR=$HOME/busybox PREFIX=/mnt/app
+# If you want to add some simple compiler switches (like -march=i686),
+# especially from the command line, use this instead of CFLAGS directly.
+# For optimization overrides, it's better still to set OPTIMIZATION.
+CFLAGS_EXTRA =
+
# If you want a static binary, turn this on.
DOSTATIC = false
# Do not enable this for production builds...
DODEBUG = false
+# Setting this to `true' will cause busybox to directly use the system's
+# password and group functions. Assuming you use GNU libc, when this is
+# `true', you will need to install the /etc/nsswitch.conf configuration file
+# and the required libnss_* libraries. This generally makes your embedded
+# system quite a bit larger... If you leave this off, busybox will directly
+# use the /etc/password, /etc/group files (and your system will be smaller, and
+# I will get fewer emails asking about how glibc NSS works). Enabling this adds
+# just 1.4k to the binary size (which is a _lot_ less then glibc NSS costs),
+# Most people will want to leave this set to false.
+USE_SYSTEM_PWD_GRP = 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
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 staticly with uClibc (needs BB_FEATURE_NFSMOUNT
-# disabled at the moment). Note the _full_ path for LIBCDIR.
-# This is because make doesn't do ~ expansion...
-#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")
+# To compile vs uClibc, just use the compiler wrapper built by uClibc...
+# Isn't that easy? Right now, uClibc needs BB_FEATURE_NFSMOUNT disabled
+# since uClibc's nfs support isn't ready yet.
+#CC = ../uClibc/extra/gcc-uClibc/gcc-uClibc-i386
-# This is how I compile with the uClibc shared lib...
-#LIBCDIR=/home/andersen/CVS/uClibc
+# To compile vs some other alternative libc, you may need to use/adjust
+# the following lines to meet your needs...
+#LIBCDIR=/usr/i486-linuxlibc1/
#LDFLAGS+=-nostdlib
-#LIBRARIES = -luClibc -lgcc $(LIBCDIR)/crt0.o
+#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")
CFLAGS += -DINIT_SCRIPT='"$(BB_INIT_SCRIPT)"'
endif
+ifneq ($(USE_SYSTEM_PWD_GRP),true)
+ PWD_LIB = pwd_grp/libpwd.a
+ LIBRARIES += $(PWD_LIB)
+else
+ CFLAGS += -DUSE_SYSTEM_PWD_GRP
+endif
+
+
+# Put user-supplied flags at the end, where they
+# have a chance of winning.
+CFLAGS += $(CFLAGS_EXTRA)
+
+.EXPORT_ALL_VARIABLES:
all: busybox busybox.links doc
-busybox: $(OBJECTS)
+busybox: $(PWD_LIB) $(OBJECTS)
$(CC) $(LDFLAGS) -o $@ $^ $(LIBRARIES)
$(STRIP)
+$(PWD_LIB):
+ $(MAKE) -eC pwd_grp
+
busybox.links: Config.h applets.h
- $(BB_SRC_DIR)/busybox.mkll $(CONFIG_H) $(BB_SRC_DIR)/applets.h >$@
nfsmount.o cmdedit.o: %.o: %.h
$(OBJECTS): %.o: %.c Config.h busybox.h applets.h Makefile
+ $(CC) $(CFLAGS) -c $*.c -o $*.o
utility.o: loop.h
clean:
- cd tests && $(MAKE) clean
+ - cd pwd_grp && $(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 -f Config.h.ORG bb.def.h busybox.REGRESS.sh.results bb.OptionsAndFeatures
- rm -rf docs/busybox _install
- rm -f busybox.links loop.h *~ *.o core