--->  Building autoconf with target all
Error: Target org.macports.build returned: shell command " cd "/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_ports_devel_autoconf/work/autoconf-2.63" && make all " returned error 2
Command output: make  all-recursive
Making all in bin
make[2]: Nothing to be done for `all'.
Making all in .
make[2]: Nothing to be done for `all-am'.
Making all in lib
Making all in Autom4te
make[3]: Nothing to be done for `all'.
Making all in m4sugar
make[3]: Nothing to be done for `all'.
Making all in autoconf
autom4te_perllibdir='../..'/lib AUTOM4TE_CFG='../../lib/autom4te.cfg'         ../../bin/autom4te -B '../..'/lib -B '../..'/lib                              \
        --language=autoconf                     \
        --freeze                        \
        --output=autoconf.m4f
gm4(876) malloc: ***  Deallocation of a pointer not malloced: 0x8bffff75; This could be a double free(), or free() called with the middle of an allocated block; Try setting environment variable MallocHelp to see tools to help debug
gm4(876) malloc: ***  Deallocation of a pointer not malloced: 0xc085e445; This could be a double free(), or free() called with the middle of an allocated block; Try setting environment variable MallocHelp to see tools to help debug
gm4(876) malloc: ***  Deallocation of a pointer not malloced: 0x72e8ffff; This could be a double free(), or free() called with the middle of an allocated block; Try setting environment variable MallocHelp to see tools to help debug
/opt/local/bin/gm4: internal error detected; please report this bug to <address@hidden>: Bus error
autom4te: /opt/local/bin/gm4 failed with exit status: 2
make[3]: *** [autoconf.m4f] Error 2
make[2]: *** [all-recursive] Error 1
make[1]: *** [all-recursive] Error 1
make: *** [all] Error 2

Error: Status 1 encountered during processing.