[Bug binutils/27594] build processes broken by changed space handling

[eliz at gnu dot org]

https://sourceware.org/bugzilla/show_bug.cgi?id=27594

--- Comment #14 from Eli Zaretskii <eliz at gnu dot org> ---
And one more comment: using pre-quoted shell command (as opposed to just the
preprocessor file name) in --preprocessor will not work with --use-temp-file,
because the code in `run_cmd` breaks the command into argv[] array, and will
treat the quoted string ("gcc -E ....") as a file name to invoke.  This trick
only works in the default pipe mode, because then the command is not broken
into argv[] elements.

So I really think this trick should not be supported, definitely not when it
invalidates correct usage.

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