running as root, cd-ing to the directory containing these patches:

/usr/lib/puredata/doc/6.externs# make pd_linux
cc -DPD -O2 -funroll-loops -fomit-frame-pointer -Wall -W -Wshadow -Wstrict-prototypes -Werror -Wno-unused -Wno-parentheses -Wno-switch -I../../src -o obj1.o -c obj1.c
make: cc: Command not found
make: *** [obj1.pd_linux] Error 127
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