1/^PATH=/i 2F2CPREFIX=XXXXX 3. 4/^set -- `getopt/i 5# convert -O to -O1 and move "-o xxx" to the beginning 6set -- `perl -e '@a=map{$_ eq "-O"?"-O1":$_}@ARGV;($i)=grep{$a[$_] eq "-o"}0..$#a;if(defined($i)){@b=splice(@a,$i,2);unshift(@a,@b)}print "@a\n"' -- "$@"` 7. 8/^ -O)/s/case.*/CFLAGS="$CFLAGS -O$2"/ 9.+1,.+4c 10 shift 2 11. 12g/ /s// /g 13g/'-I/s/'/"/g 14g,/usr/local/,s,,${F2CPREFIX}/,g 15g,/lib/cpp,s,,$CC -E, 16g/ -lm"/s//"/ 17g/ -u MAIN__/s/// 18g/ $CC/s//& $ARCHFLAGS/ 19w 20