Build failure in blead

I'm getting build failures in blead:

 `sh  cflags "optimize='-Os -pipe -funit-at-a-time -march=pentium4
-mfpmath=sse -mieee-fp -mmmx -msse -msse2'" sv.o`  sv.c
         CCCMD =  gcc -DPERL_CORE -c -DPERL_USE_SAFE_PUTENV
-U__STRICT_ANSI__ -DNO_MATHOMS -fno-strict-aliasing -pipe  -Os -pipe
-funit-at-a-time -march=pentium4 -mfpmath=sse -mieee-fp -mmmx -msse
-msse2 -Wall -W -Wextra -Wdeclaration-after-statement -Wendif-labels
-Wwrite-strings
sv.c: In function `Perl_dirp_dup':
sv.c:10830: error: structure has no member named `d_namlen'
sv.c:10851: error: structure has no member named `d_namlen'
make: *** [sv.o] Error 1
Make failed

• Build failure in blead by Jerry D. Hedden
• Re: Build failure in blead by Jerry D. Hedden