Linux From Scratch 7.2：第6章でbinutils-2.22を作成中にエラーが発生しました。

実行時に以下のエラーが発生しますmake tooldir=/usr

../../binutils-2.22/libiberty/regex.c:130:1: warning: function declaration isn't a prototype [-Wstrict-prototypes]
../../binutils-2.22/libiberty/regex.c:130:7: warning: conflicting types for built-in function 'malloc' [enabled by default]
../../binutils-2.22/libiberty/regex.c:131:1: warning: function declaration isn't a prototype [-Wstrict-prototypes]
../../binutils-2.22/libiberty/regex.c:131:7: warning: conflicting types for built-in function 'realloc' [enabled by default]
In file included from /usr/include/bits/string2.h:1296:0,
             from /usr/include/string.h:633,
             from ../../binutils-2.22/libiberty/regex.c:149:
/usr/include/stdlib.h:470:14: error: conflicting types for 'malloc'
../../binutils-2.22/libiberty/regex.c:130:7: note: previous declaration of 'malloc' was here
In file included from ../../binutils-2.22/libiberty/regex.c:638:0:
../../binutils-2.22/libiberty/regex.c: In function 'byte_regex_compile':
../../binutils-2.22/libiberty/regex.c:2439:7: warning: implicit declaration of function 'free' [-Wimplicit-function-declaration]
../../binutils-2.22/libiberty/regex.c:2439:33: warning: incompatible implicit declaration of built-in function 'free' [enabled by default]
../../binutils-2.22/libiberty/regex.c:2500:17: warning: incompatible implicit declaration of built-in function 'free' [enabled by default]
../../binutils-2.22/libiberty/regex.c:2533:36: warning: incompatible implicit declaration of built-in function 'free' [enabled by default]
../../binutils-2.22/libiberty/regex.c:2640:28: warning: incompatible implicit declaration of built-in function 'free' [enabled by default]
../../binutils-2.22/libiberty/regex.c:3643:26: warning: incompatible implicit declaration of built-in function 'free' [enabled by default]
../../binutils-2.22/libiberty/regex.c:4150:5: warning: incompatible implicit declaration of built-in function 'free' [enabled by default]
../../binutils-2.22/libiberty/regex.c: In function 'byte_re_compile_fastmap':
../../binutils-2.22/libiberty/regex.c:4835:11: warning: implicit declaration of function 'abort' [-Wimplicit-function-declaration]
../../binutils-2.22/libiberty/regex.c:4835:11: warning: incompatible implicit declaration of built-in function 'abort' [enabled by default]
../../binutils-2.22/libiberty/regex.c: In function 'byte_re_match_2_internal':
../../binutils-2.22/libiberty/regex.c:7424:11: warning: incompatible implicit declaration of built-in function 'abort' [enabled by default]
../../binutils-2.22/libiberty/regex.c: In function 'xregcomp':
../../binutils-2.22/libiberty/regex.c:7978:4: warning: incompatible implicit declaration of built-in function 'free' [enabled by default]
../../binutils-2.22/libiberty/regex.c: In function 'xregexec':
../../binutils-2.22/libiberty/regex.c:8053:7: warning: incompatible implicit declaration of built-in function 'free' [enabled by default]
../../binutils-2.22/libiberty/regex.c: In function 'xregerror':
../../binutils-2.22/libiberty/regex.c:8081:5: warning: incompatible implicit declaration of built-in function 'abort' [enabled by default]
../../binutils-2.22/libiberty/regex.c: In function 'xregfree':
../../binutils-2.22/libiberty/regex.c:8114:3: warning: incompatible implicit declaration of built-in function 'free' [enabled by default]
make[2]: *** [regex.o] Error 1
make[2]: Leaving directory `/sources/binutils-build/libiberty'
make[1]: *** [all-libiberty] Error 2
make[1]: Leaving directory `/sources/binutils-build'
make: *** [all] Error 2

全体の出力は次のとおりです。ここ、私が使用するページはここ

誰が私を助けることができますか？

編集する：

/usr/include/stdlib.h(ライン 470)

extern void *malloc (size_t __size) __THROW __attribute_malloc__ __wur;

binutils-2.22/libiberty/regex.c（130行）

char *malloc ();