编译bootstrap出现的问题

bootstrap.log

$ cat bootstrap.log 
###
### Using 'darwin' toolset.
###
rm -rf bootstrap
mkdir bootstrap
cc -o bootstrap/jam0 command.c compile.c debug.c expand.c glob.c hash.c hdrmacro.c headers.c jam.c jambase.c jamgram.c lists.c make.c make1.c newstr.c option.c output.c parse.c pathunix.c pathvms.c regexp.c rules.c scan.c search.c subst.c timestamp.c variable.c modules.c strings.c filesys.c builtins.c pwd.c class.c native.c md5.c w32_getreg.c modules/set.c modules/path.c modules/regex.c modules/property-set.c modules/sequence.c modules/order.c execunix.c fileunix.c
expand.c:85:28: warning: field precision should have type 'int', but argument has type 'long' [-Wformat]
        printf( "expand '%.*s'\n", end - in, in );
                         ~~^~      ~~~~~~~~
1 warning generated.
search.c:216:9: warning: expression result unused [-Wunused-value]
        hashenter( explicit_bindings, (HASHDATA * *)&ba );
        ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./hash.h:22:33: note: expanded from macro 'hashenter'
#define hashenter( hp, data ) ( !hashitem( hp, data, !0 ) )
                                ^~~~~~~~~~~~~~~~~~~~~~~~~
1 warning generated.
modules.c:146:9: warning: expression result unused [-Wunused-value]
        hashenter( h, (HASHDATA * *)&ss );
        ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./hash.h:22:33: note: expanded from macro 'hashenter'
#define hashenter( hp, data ) ( !hashitem( hp, data, !0 ) )
                                ^~~~~~~~~~~~~~~~~~~~~~~~~
1 warning generated.
class.c:122:9: warning: expression result unused [-Wunused-value]
        hashenter( classes, (HASHDATA * *)&pp );
        ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./hash.h:22:33: note: expanded from macro 'hashenter'
#define hashenter( hp, data ) ( !hashitem( hp, data, !0 ) )
                                ^~~~~~~~~~~~~~~~~~~~~~~~~
1 warning generated.
native.c:34:9: warning: expression result unused [-Wunused-value]
        hashenter(m->native_rules, (HASHDATA**)&np);
        ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./hash.h:22:33: note: expanded from macro 'hashenter'
#define hashenter( hp, data ) ( !hashitem( hp, data, !0 ) )
                                ^~~~~~~~~~~~~~~~~~~~~~~~~
1 warning generated.
fileunix.c:300:33: error: no member named 'ar_fmag' in 'struct ar_hdr'
           && !( memcmp( ar_hdr.ar_fmag, ARFMAG, SARFMAG )
                         ~~~~~~ ^
fileunix.c:316:35: error: no member named 'ar_name' in 'struct ar_hdr'
        strncpy( lar_name, ar_hdr.ar_name, sizeof(ar_hdr.ar_name) );
        ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/secure/_string.h:124:37: note: expanded from macro 'strncpy'
   ? __builtin___strncpy_chk (dest, src, len, __darwin_obsz (dest))     \
                                    ^
fileunix.c:316:35: error: no member named 'ar_name' in 'struct ar_hdr'
        strncpy( lar_name, ar_hdr.ar_name, sizeof(ar_hdr.ar_name) );
        ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/secure/_string.h:125:34: note: expanded from macro 'strncpy'
   : __inline_strncpy_chk (dest, src, len))
                                 ^
fileunix.c:318:24: error: no member named 'ar_date' in 'struct ar_hdr'
        sscanf( ar_hdr.ar_date, "%ld", &lar_date );
                ~~~~~~ ^
fileunix.c:319:24: error: no member named 'ar_size' in 'struct ar_hdr'
        sscanf( ar_hdr.ar_size, "%ld", &lar_size );
                ~~~~~~ ^
fileunix.c:321:20: error: no member named 'ar_name' in 'struct ar_hdr'
        if (ar_hdr.ar_name[0] == '/')
            ~~~~~~ ^
fileunix.c:323:20: error: no member named 'ar_name' in 'struct ar_hdr'
        if (ar_hdr.ar_name[1] == '/')
            ~~~~~~ ^
fileunix.c:335:41: error: no member named 'ar_name' in 'struct ar_hdr'
        else if (string_table && ar_hdr.ar_name[1] != ' ')
                                 ~~~~~~ ^
8 errors generated.