Error: (string-split) bad argument type - not a string: #!eof

        Call history:

        <syntax>          [escape-flags] (or34 (string-prefix-ci? "-i" s) (strin
g-prefix-ci? "-d" s))
        <syntax>          [escape-flags] (##core#let ((tmp36 (string-prefix-ci?
"-i" s))) (##core#if tmp36 tmp36 (or37 (string-prefix-ci? "-d...
        <syntax>          [escape-flags] (##core#begin (##core#if tmp36 tmp36 (o
r37 (string-prefix-ci? "-d" s))))
        <syntax>          [escape-flags] (##core#if tmp36 tmp36 (or37 (string-pr
efix-ci? "-d" s)))
        <syntax>          [escape-flags] (or37 (string-prefix-ci? "-d" s))
        <syntax>          [escape-flags] (string-prefix-ci? "-d" s)
        <syntax>          [escape-flags] (string-prefix-ci? "-i" s)
        <syntax>          [escape-flags] (string-prefix-ci? "-l" s)
        <syntax>          [escape-flags] (sprintf " -C ~a " s)
        <syntax>          [escape-flags] (sprintf " ~a " s)
        <syntax>          [escape-flags] (string-split fs)
        <eval>    (apply string-append (escape-flags (with-input-from-pipe "sdl-
config --cflags" read-line)))
        <eval>    (escape-flags (with-input-from-pipe "sdl-config --cflags" read
-line))
        <eval>    (with-input-from-pipe "sdl-config --cflags" read-line)
        <eval>    [escape-flags] (map (lambda (s) (if (not (or (string-prefix-ci
? "-l" s) (string-prefix-ci? "-i" s) (string-prefix-c......
        <eval>    [escape-flags] (string-split fs)      <--


Error: shell command terminated with nonzero exit code
70
"\"\\usr\\local\\bin\\csi\" -bnq -setup-mode -e \"(require-library setup-api)\"
...