http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48851
--- Comment #2 from Michael Richmond <michael.a.richmond at nasa dot gov> 2011-05-03 14:01:53 UTC --- I believe it is a compiled compiler. Here are the two instructions that immediately precede the error messages: /bin/sh ./libtool --tag=CC --tag=disable-static --mode=compile /home/mrichmon/gcc-4.7-20110416/g95/./prev-gcc/xgcc -B/home/mrichmon/gcc-4.7-20110416/g95/./prev-gcc/ -B/home/mrichmon/irun/i386-unknown-openbsd4.9/bin/ -B/home/mrichmon/irun/i386-unknown-openbsd4.9/bin/ -B/home/mrichmon/irun/i386-unknown-openbsd4.9/lib/ -isystem /home/mrichmon/irun/i386-unknown-openbsd4.9/include -isystem /home/mrichmon/irun/i386-unknown-openbsd4.9/sys-include -DHAVE_CONFIG_H -I. -I/home/mrichmon/gcc-4.7-20110416/lto-plugin -I/home/mrichmon/gcc-4.7-20110416/lto-plugin/../include -DHAVE_CONFIG_H -Wall -Werror -g -O2 -gtoggle -c -o lto-plugin.lo /home/mrichmon/gcc-4.7-20110416/lto-plugin/lto-plugin.c libtool: compile: /home/mrichmon/gcc-4.7-20110416/g95/./prev-gcc/xgcc -B/home/mrichmon/gcc-4.7-20110416/g95/./prev-gcc/ -B/home/mrichmon/irun/i386-unknown-openbsd4.9/bin/ -B/home/mrichmon/irun/i386-unknown-openbsd4.9/bin/ -B/home/mrichmon/irun/i386-unknown-openbsd4.9/lib/ -isystem /home/mrichmon/irun/i386-unknown-openbsd4.9/include -isystem /home/mrichmon/irun/i386-unknown-openbsd4.9/sys-include -DHAVE_CONFIG_H -I. -I/home/mrichmon/gcc-4.7-20110416/lto-plugin -I/home/mrichmon/gcc-4.7-20110416/lto-plugin/../include -DHAVE_CONFIG_H -Wall -Werror -g -O2 -gtoggle -c /home/mrichmon/gcc-4.7-20110416/lto-plugin/lto-plugin.c -fPIC -DPIC -o .libs/lto-plugin.o