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Annotation of dietlibc/Makefile, revision 1.11

1.1       cvs         1: all: start.o dietlibc.a elftrunc
                      2: 
                      3: ARCH=$(shell uname -m | sed 's/i[4-9]86/i386/')
                      4: 
                      5: CFLAGS=-pipe
                      6: CROSS=
                      7: 
1.9       fefe        8: VPATH=lib:libstdio:libugly:libcruft:syscalls.c
1.1       cvs         9: 
                     10: SYSCALLOBJ=$(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,$(wildcard libstdio/*.c))
1.9       fefe       15: LIBCRUFTOBJ=$(patsubst libcruft/%.c,%.o,$(wildcard libcruft/*.c))
1.1       cvs        16: 
                     17: include $(ARCH)/Makefile.add
                     18: 
                     19: ifeq ($(CFLAGS),-pipe)
                     20: CFLAGS+=-O -fomit-frame-pointer
                     21: endif
                     22: 
1.7       fefe       23: #CFLAGS = -g
1.1       cvs        24: CFLAGS += -Wall
                     25: 
                     26: .SUFFIXES:
                     27: .SUFFIXES: .S .c
                     28: 
1.2       olaf       29: % :: %,v
1.1       cvs        30: 
                     31: %.o: %.S
                     32:        $(CROSS)gcc -I. -Iinclude $(CFLAGS) -c $<
                     33: 
                     34: %.o: %.c
                     35:        $(CROSS)gcc -I. -Iinclude $(CFLAGS) -c $<
                     36: #      $(CROSS)strip -x -R .comment -R .note $@
                     37: 
1.5       fefe       38: DIETLIBC_OBJ = $(SYSCALLOBJ) $(LIBOBJ) $(LIBSTDIOOBJ) $(LIBUGLYOBJ) \
1.9       fefe       39: $(LIBCRUFTOBJ) __longjmp.o setjmp.o unified.o mmap.o clone.o
1.1       cvs        40: 
                     41: dietlibc.a: $(DIETLIBC_OBJ) start.o
                     42:        $(CROSS)ar cru dietlibc.a $(DIETLIBC_OBJ)
                     43: 
                     44: libdietc.so: dietlibc.a
                     45:        $(CROSS)ld -whole-archive -shared -o $@ $^
                     46: 
                     47: $(SYSCALLOBJ): syscalls.h
                     48: 
                     49: elftrunc: contrib/elftrunc.c start.o dietlibc.a
1.4       fefe       50:        $(CROSS)gcc -Iinclude $(CFLAGS) -nostdlib -o $@ $^
1.1       cvs        51: 
                     52: djb: compile load
                     53: 
                     54: compile:
                     55:        echo 'exec gcc $(CFLAGS) -I$(HOME)/projects/dietlibc/include -c $${1+"$$@"}' > $@
                     56:        chmod 755 $@
                     57: 
                     58: load:
                     59:        echo 'main="$$1"; shift; exec gcc -nostdlib -o "$$main" $(HOME)/projects/dietlibc/start.o "$$main".o $${1+"$$@"} $(HOME)/projects/dietlibc/dietlibc.a -lgcc'  > $@
                     60:        chmod 755 $@
                     61: 
                     62: clean:
                     63:        rm -f *.o *.a t t1 compile load elftrunc exports mapfile libdietc.so
                     64:        $(MAKE) -C examples clean
                     65: 
                     66: tar: clean
1.11    ! fefe       67:        rm -f armv4l
1.3       fefe       68:        ln -sf arm armv4l
1.8       fefe       69:        cd ..; tar cvvf dietlibc.tar.bz2 dietlibc --use=bzip2 --exclude CVS
1.1       cvs        70: 
                     71: exports: dietlibc.a
                     72:        nm -g dietlibc.a | grep -w T | awk '{ print $$3 }' | sort -u > exports
                     73: 
                     74: .PHONY: t t1
                     75: t:
                     76:        $(CROSS)gcc -g $(CFLAGS) -fno-builtin -nostdlib -Iinclude -o t t.c start.o dietlibc.a -lgcc -Wl,-Map,mapfile
                     77: 
                     78: t1:
                     79:        $(CROSS)gcc -g -o t1 t.c
                     80: 
                     81: install:
1.10      fefe       82:        cp start.o $(INSTALLPREFIX)$(prefix)/lib/dietstart.o
                     83:        cp dietlibc.a $(INSTALLPREFIX)$(prefix)/lib/libdietc.a
1.1       cvs        84: 
                     85: .PHONY: sparc ppc mips arm alpha i386
                     86: 
                     87: sparc ppc alpha i386:
                     88:        $(MAKE) ARCH=$@ CROSS=$@-linux- all t libdietc.so
                     89: 
                     90: mips arm:
                     91:        $(MAKE) ARCH=$@ CROSS=$@-linux-gnu- all t libdietc.so
                     92: