ubuntu@ubuntu:~/Desktop/gnash-0.7.2$ ./configure 
checking build system type... powerpc-unknown-linux-gnu
checking host system type... powerpc-unknown-linux-gnu
checking target system type... powerpc-unknown-linux-gnu
checking for a BSD-compatible install... /usr/bin/install -c
checking for -p flag to install... yes
checking whether build environment is sane... yes
checking for gawk... no
checking for mawk... mawk
checking whether make sets $(MAKE)... yes
checking whether to enable maintainer-specific portions of Makefiles... no
checking whether make sets $(MAKE)... (cached) yes
checking for gcc... gcc
checking for C compiler default output file name... configure: error: C compiler cannot create executables
See `config.log' for more details.