Stuf

[oweals/busybox.git] / Makefile

diff --git a/Makefile b/Makefile
index 86fc9f6a6655138cc480946237649d008df33092..a754c200819639cf46aa73bca63c7bfd4af99016 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -1,52 +1,115 @@
+# Makefile for busybox
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+# General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+#
 
-VERSION=0.29alpha1
+
+PROG=busybox
+VERSION=0.37
 BUILDTIME=$(shell date "+%Y%m%d-%H%M")
-DODEBUG=true
+
+# Comment out the following to make a debuggable build
+# Leave this off for production use.
+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 will choke on a non-debian system
 ARCH=`uname -m | sed -e 's/i.86/i386/' | sed -e 's/sparc.*/sparc/'`
 
+GCCMAJVERSION=`$(CC) --version | sed -n "s/^\([0-9]\)\.\([0-9].*\)[\.].*/\1/p"`
+GCCMINVERSION=`$(CC) --version | sed -n "s/^\([0-9]\)\.\([0-9].*\)[\.].*/\2/p"`
+
+GCCSUPPORTSOPTSIZE=$(shell \
+if ( test $(GCCMAJVERSION) -eq 2 ) ; then \
+    if ( test $(GCCMINVERSION) -ge 91 ) ; then \
+       echo "true"; \
+    else \
+       echo "false"; \
+    fi; \
+else \
+    if ( test $(GCCMAJVERSION) -gt 2 ) ; then \
+       echo "true"; \
+    else \
+       echo "false"; \
+    fi; \
+fi; )
+
+
+ifeq ($(GCCSUPPORTSOPTSIZE), true)
+    OPTIMIZATION=-Os
+else
+    OPTIMIZATION=-O2
+endif
 
 # -D_GNU_SOURCE is needed because environ is used in init.c
 ifeq ($(DODEBUG),true)
-    CFLAGS=-Wall -g -D_GNU_SOURCE
+    CFLAGS+=-Wall -g -D_GNU_SOURCE -DDEBUG_INIT
     STRIP=
     LDFLAGS=
 else
-    CFLAGS=-Wall -O2 -fomit-frame-pointer -fno-builtin -D_GNU_SOURCE
+    CFLAGS+=-Wall $(OPTIMIZATION) -fomit-frame-pointer -fno-builtin -D_GNU_SOURCE
     LDFLAGS= -s
-    STRIP= strip --remove-section=.note --remove-section=.comment busybox
+    STRIP= strip --remove-section=.note --remove-section=.comment $(PROG)
+    #Only staticly link when _not_ debugging 
+    ifeq ($(DOSTATIC),true)
+       LDFLAGS+= --static
+    endif
+    
 endif
 
-ifndef $(prefix)
-    prefix=`pwd`
+ifndef $(PREFIX)
+    PREFIX=`pwd`/busybox_install
 endif
-BINDIR=$(prefix)
 
-LIBRARIES=-lc
+LIBRARIES=
 OBJECTS=$(shell ./busybox.sh)
 CFLAGS+= -DBB_VER='"$(VERSION)"'
 CFLAGS+= -DBB_BT='"$(BUILDTIME)"'
 
-all: busybox links
+all: busybox busybox.links
 
 busybox: $(OBJECTS)
-       $(CC) $(LDFLAGS) -o busybox $(OBJECTS) $(LIBRARIES)
+       $(CC) $(LDFLAGS) -o $(PROG) $(OBJECTS) $(LIBRARIES)
        $(STRIP)
 
-links:
-       - ./busybox.mkll | sort >busybox.links
+busybox.links:
+       - ./busybox.mkll | sort >$@
        
 clean:
-       - rm -f busybox busybox.links *~ *.o 
+       - rm -f $(PROG) busybox.links *~ *.o core 
+       - rm -rf busybox_install
 
 distclean: clean
-       - rm -f busybox
+       - rm -f $(PROG)
 
 force:
 
 $(OBJECTS):  busybox.def.h internal.h Makefile
 
-install:    busybox
-       install.sh $(BINDIR)
+install: busybox busybox.links
+       ./install.sh $(PREFIX)
+
+whichversion:
+       @echo $(VERSION)
+
+
+dist: release
+
+release: distclean
+       (cd .. ; rm -rf busybox-$(VERSION) ; cp -a busybox busybox-$(VERSION); rm -rf busybox-$(VERSION)/CVS busybox-$(VERSION)/.cvsignore ; tar -cvzf busybox-$(VERSION).tar.gz busybox-$(VERSION))