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Annotation of dietlibc/Makefile, revision 1.24

1.17      fefe        1: all: start.o dietlibc.a liblatin1.a elftrunc
1.1       cvs         2: 
                      3: ARCH=$(shell uname -m | sed 's/i[4-9]86/i386/')
                      4: 
                      5: CFLAGS=-pipe
                      6: CROSS=
                      7: 
1.16      fefe        8: CC=gcc
                      9: 
1.23      fefe       10: VPATH=lib:libstdio:libugly:libcruft:libcrypt:libshell:liblatin1:syscalls.c
1.1       cvs        11: 
                     12: SYSCALLOBJ=$(patsubst syscalls.s/%.S,%.o,$(wildcard syscalls.s/*.S))
                     13: 
                     14: LIBOBJ=$(patsubst lib/%.c,%.o,$(wildcard lib/*.c))
1.5       fefe       15: LIBUGLYOBJ=$(patsubst libugly/%.c,%.o,$(wildcard libugly/*.c))
                     16: LIBSTDIOOBJ=$(patsubst libstdio/%.c,%.o,$(wildcard libstdio/*.c))
1.9       fefe       17: LIBCRUFTOBJ=$(patsubst libcruft/%.c,%.o,$(wildcard libcruft/*.c))
1.20      olaf       18: LIBCRYPTOBJ=$(patsubst libcrypt/%.c,%.o,$(wildcard libcrypt/*.c))
1.23      fefe       19: LIBSHELLOBJ=$(patsubst libshell/%.c,%.o,$(wildcard libshell/*.c))
1.1       cvs        20: 
                     21: include $(ARCH)/Makefile.add
                     22: 
                     23: ifeq ($(CFLAGS),-pipe)
                     24: CFLAGS+=-O -fomit-frame-pointer
                     25: endif
                     26: 
1.13      fefe       27: #CFLAGS = -g
1.1       cvs        28: CFLAGS += -Wall
                     29: 
1.14      fefe       30: PWD=$(shell pwd)
                     31: 
1.1       cvs        32: .SUFFIXES:
                     33: .SUFFIXES: .S .c
                     34: 
1.2       olaf       35: % :: %,v
1.1       cvs        36: 
                     37: %.o: %.S
1.16      fefe       38:        $(CROSS)$(CC) -I. -Iinclude $(CFLAGS) -c $<
1.1       cvs        39: 
                     40: %.o: %.c
1.16      fefe       41:        $(CROSS)$(CC) -I. -Iinclude $(CFLAGS) -c $<
1.18      fefe       42: #      $(CROSS)strip -x -R .comment -R .note $@
1.1       cvs        43: 
1.5       fefe       44: DIETLIBC_OBJ = $(SYSCALLOBJ) $(LIBOBJ) $(LIBSTDIOOBJ) $(LIBUGLYOBJ) \
1.23      fefe       45: $(LIBCRUFTOBJ) $(LIBCRYPTOBJ) $(LIBSHELLOBJ) \
                     46: __longjmp.o setjmp.o unified.o mmap.o clone.o
1.1       cvs        47: 
                     48: dietlibc.a: $(DIETLIBC_OBJ) start.o
                     49:        $(CROSS)ar cru dietlibc.a $(DIETLIBC_OBJ)
1.17      fefe       50: 
                     51: LIBLATIN1_OBJS=$(patsubst liblatin1/%.c,%.o,$(wildcard liblatin1/*.c))
                     52: liblatin1.a: $(LIBLATIN1_OBJS)
                     53:        $(CROSS)ar cru $@ $^
1.1       cvs        54: 
                     55: libdietc.so: dietlibc.a
                     56:        $(CROSS)ld -whole-archive -shared -o $@ $^
                     57: 
                     58: $(SYSCALLOBJ): syscalls.h
                     59: 
                     60: elftrunc: contrib/elftrunc.c start.o dietlibc.a
1.16      fefe       61:        $(CROSS)$(CC) -Iinclude $(CFLAGS) -nostdlib -o $@ $^
1.1       cvs        62: 
                     63: djb: compile load
                     64: 
                     65: compile:
1.14      fefe       66:        echo 'exec gcc $(CFLAGS) -I$(PWD)/include -c $${1+"$$@"}' > $@
1.1       cvs        67:        chmod 755 $@
                     68: 
                     69: load:
1.14      fefe       70:        echo 'main="$$1"; shift; exec gcc -nostdlib -o "$$main" $(PWD)/start.o "$$main".o $${1+"$$@"} $(PWD)/dietlibc.a -lgcc'  > $@
1.1       cvs        71:        chmod 755 $@
                     72: 
                     73: clean:
                     74:        rm -f *.o *.a t t1 compile load elftrunc exports mapfile libdietc.so
                     75:        $(MAKE) -C examples clean
                     76: 
                     77: tar: clean
1.11      fefe       78:        rm -f armv4l
1.3       fefe       79:        ln -sf arm armv4l
1.8       fefe       80:        cd ..; tar cvvf dietlibc.tar.bz2 dietlibc --use=bzip2 --exclude CVS
1.1       cvs        81: 
                     82: exports: dietlibc.a
                     83:        nm -g dietlibc.a | grep -w T | awk '{ print $$3 }' | sort -u > exports
                     84: 
                     85: .PHONY: t t1
                     86: t:
1.16      fefe       87:        $(CROSS)$(CC) -g $(CFLAGS) -fno-builtin -nostdlib -Iinclude -o t t.c start.o dietlibc.a -lgcc -Wl,-Map,mapfile
1.1       cvs        88: 
                     89: t1:
1.16      fefe       90:        $(CROSS)$(CC) -g -o t1 t.c
1.1       cvs        91: 
                     92: install:
1.10      fefe       93:        cp start.o $(INSTALLPREFIX)$(prefix)/lib/dietstart.o
                     94:        cp dietlibc.a $(INSTALLPREFIX)$(prefix)/lib/libdietc.a
1.1       cvs        95: 
                     96: .PHONY: sparc ppc mips arm alpha i386
                     97: 
1.19      fefe       98: arm sparc ppc alpha i386:
1.1       cvs        99:        $(MAKE) ARCH=$@ CROSS=$@-linux- all t libdietc.so
                    100: 
1.19      fefe      101: mips:
1.1       cvs       102:        $(MAKE) ARCH=$@ CROSS=$@-linux-gnu- all t libdietc.so
                    103: 
1.15      fefe      104: 
                    105: 
                    106: # these depend on dietfeatures.h for large file backward compatibility
                    107: __fstat64.o __lstat64.o __stat64.o: dietfeatures.h
                    108: 
                    109: # these depend on dietfeatures.h for thread support
1.24    ! olaf      110: alloc.o perror.o logging.o unified.o: dietfeatures.h
1.15      fefe      111: 
                    112: # these depend on dietfeatures.h for linker warnings
                    113: assert_fail.o sprintf.o vsnprintf.o ___div.o fflush.o setvbuf.o system.o sendfile.o: dietfeatures.h
                    114: 
                    115: # these depend on dietfeatures.h for buffered stdio
                    116: fclose.o fdglue.o fflush.o fgetc.o fputc.o fread.o fseek.o: dietfeatures.h
                    117: printf.o setvbuf.o stderr.o stdin.o stdout.o fwrite.o: dietfeatures.h
                    118: 
                    119: # these depend on dietfeatures.h for fast string routines
                    120: strcasecmp.o strcat.o strchr.o strcmp.o strcpy.o strlen.o: dietfeatures.h
                    121: strncasecmp.o strncat.o strrchr.o: dietfeatures.h
                    122: 
                    123: # these depend on dietfeatures.h for /proc
                    124: tty.o: dietfeatures.h
                    125: 
                    126: # these depend on dietfeatures.h for ungetc support ;-)
                    127: ungetc.o: dietfeatures.h
                    128: 
1.18      fefe      129: # these depend on dietfeatures.h for WANT_TZFILE_PARSER
                    130: localtime_r.o: dietfeatures.h