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Annotation of dietlibc/Makefile, revision 1.5

1.1       cvs         1: all: start.o dietlibc.a elftrunc
                      2: 
                      3: ARCH=$(shell uname -m | sed 's/i[4-9]86/i386/')
                      4: 
                      5: CFLAGS=-pipe
                      6: CROSS=
                      7: 
1.5     ! fefe        8: VPATH=lib:libstdio:libugly:syscalls.c
1.1       cvs         9: 
                     10: SYSCALLOBJ=$(patsubst syscalls.s/%.S,%.o,$(wildcard syscalls.s/*.S))
                     11: 
                     12: LIBOBJ=$(patsubst lib/%.c,%.o,$(wildcard lib/*.c))
1.5     ! fefe       13: LIBUGLYOBJ=$(patsubst libugly/%.c,%.o,$(wildcard libugly/*.c))
        !            14: LIBSTDIOOBJ=$(patsubst libstdio/%.c,%.o,$(wildcard libstdio/*.c))
1.1       cvs        15: 
                     16: include $(ARCH)/Makefile.add
                     17: 
                     18: ifeq ($(CFLAGS),-pipe)
                     19: CFLAGS+=-O -fomit-frame-pointer
                     20: endif
                     21: 
                     22: #CFLAGS += -g
                     23: CFLAGS += -Wall
                     24: 
                     25: .SUFFIXES:
                     26: .SUFFIXES: .S .c
                     27: 
1.2       olaf       28: % :: %,v
1.1       cvs        29: 
                     30: %.o: %.S
                     31:        $(CROSS)gcc -I. -Iinclude $(CFLAGS) -c $<
                     32: 
                     33: %.o: %.c
                     34:        $(CROSS)gcc -I. -Iinclude $(CFLAGS) -c $<
                     35: #      $(CROSS)strip -x -R .comment -R .note $@
                     36: 
1.5     ! fefe       37: DIETLIBC_OBJ = $(SYSCALLOBJ) $(LIBOBJ) $(LIBSTDIOOBJ) $(LIBUGLYOBJ) \
1.1       cvs        38: __longjmp.o setjmp.o unified.o mmap.o clone.o
                     39: 
                     40: dietlibc.a: $(DIETLIBC_OBJ) start.o
                     41:        $(CROSS)ar cru dietlibc.a $(DIETLIBC_OBJ)
                     42: 
                     43: libdietc.so: dietlibc.a
                     44:        $(CROSS)ld -whole-archive -shared -o $@ $^
                     45: 
                     46: $(SYSCALLOBJ): syscalls.h
                     47: 
                     48: elftrunc: contrib/elftrunc.c start.o dietlibc.a
1.4       fefe       49:        $(CROSS)gcc -Iinclude $(CFLAGS) -nostdlib -o $@ $^
1.1       cvs        50: 
                     51: djb: compile load
                     52: 
                     53: compile:
                     54:        echo 'exec gcc $(CFLAGS) -I$(HOME)/projects/dietlibc/include -c $${1+"$$@"}' > $@
                     55:        chmod 755 $@
                     56: 
                     57: load:
                     58:        echo 'main="$$1"; shift; exec gcc -nostdlib -o "$$main" $(HOME)/projects/dietlibc/start.o "$$main".o $${1+"$$@"} $(HOME)/projects/dietlibc/dietlibc.a -lgcc'  > $@
                     59:        chmod 755 $@
                     60: 
                     61: clean:
                     62:        rm -f *.o *.a t t1 compile load elftrunc exports mapfile libdietc.so
                     63:        $(MAKE) -C examples clean
                     64: 
                     65: tar: clean
1.3       fefe       66:        if test -d armv4l; then test -s armv4l || rmdir armv4l; fi
                     67:        ln -sf arm armv4l
                     68:        cd .. && tar cvvf dietlibc.tar.bz2 dietlibc --use=bzip2 --exclude CVS
1.1       cvs        69: 
                     70: exports: dietlibc.a
                     71:        nm -g dietlibc.a | grep -w T | awk '{ print $$3 }' | sort -u > exports
                     72: 
                     73: .PHONY: t t1
                     74: t:
                     75:        $(CROSS)gcc -g $(CFLAGS) -fno-builtin -nostdlib -Iinclude -o t t.c start.o dietlibc.a -lgcc -Wl,-Map,mapfile
                     76: 
                     77: t1:
                     78:        $(CROSS)gcc -g -o t1 t.c
                     79: 
                     80: install:
                     81:        cp start.o $(prefix)/lib/dietstart.o
                     82:        cp dietlibc.a $(prefix)/lib/libdietc.a
                     83: 
                     84: .PHONY: sparc ppc mips arm alpha i386
                     85: 
                     86: sparc ppc alpha i386:
                     87:        $(MAKE) ARCH=$@ CROSS=$@-linux- all t libdietc.so
                     88: 
                     89: mips arm:
                     90:        $(MAKE) ARCH=$@ CROSS=$@-linux-gnu- all t libdietc.so
                     91: