Description of problem:
rebuild with latest gcc fails:
second/fs_reiserfs.c:621:54: warning: operation on 'depth' may be undefined [-Wsequence-point]
ld -Ttext 0x200000 -Bstatic  second/crt0.o second/yaboot.o second/cache.o second/prom.o second/file.o second/partition.o second/fs.o second/cfg.o second/setjmp.o second/cmdline.o second/fs_of.o second/fs_ext2.o second/fs_iso.o second/iso_util.o second/sha256crypt.o second/sha512crypt.o lib/nosys.o lib/string.o lib/strtol.o lib/vsprintf.o lib/ctype.o lib/malloc.o lib/stpncpy.o lib/strstr.o second/md5.o second/fs_xfs.o second/fs_reiserfs.o -lext2fs `gcc -m32 -print-libgcc-file-name` -o second/yaboot
/usr/lib/libext2fs.a(inode.o): In function `ext2fs_open_inode_scan':
(.text+0x3b8): undefined reference to `posix_memalign'
/usr/lib/libext2fs.a(openfs.o): In function `ext2fs_open2':
(.text+0x2e8): undefined reference to `posix_memalign'
/usr/lib/libext2fs.a(rw_bitmaps.o): In function `write_bitmaps':
(.text+0xec): undefined reference to `posix_memalign'
/usr/lib/libext2fs.a(rw_bitmaps.o): In function `write_bitmaps':
(.text+0x280): undefined reference to `posix_memalign'
/usr/lib/libext2fs.a(rw_bitmaps.o): In function `read_bitmaps':
(.text+0x548): undefined reference to `posix_memalign'


Complete logs are available at
https://ppc.koji.fedoraproject.org/koji/taskinfo?taskID=145379