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Annotation of dietlibc/Makefile, revision 1.21

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