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`sh cflags "optimize='-O2'" miniperlmain.o` miniperlmain.c
CCCMD = gcc -DPERL_CORE -c -fno-strict-aliasing -pipe -I/usr/local/include -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -I/usr/include/gdbm -O2 -Wall
In file included from perl.h:37,
from miniperlmain.c:36:
config.h:3107:9: invalid preprocessing directive #NEED_VA_COPY
make: *** [miniperlmain.o] Error 1
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