Annotation of dietlibc/Makefile, revision 1.2

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

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