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YJIT: echo "\n" is not portable

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It's unspecified by POSIX. zsh and dash give a newline and
bash doesn't substitute it. Attributes don't have to be
followed by a newline anyway, so just remove it.

[Bug #19174]
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Alan Wu 2022-12-02 12:24:17 -05:00 committed by GitHub
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commit 1015e69d37
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configure.ac
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@ -3755,7 +3755,7 @@ AS_IF([test "$RUSTC" != "no"],
) )
dnl Fails in case rustc target doesn't match ruby target. dnl Fails in case rustc target doesn't match ruby target.
dnl Can happen on Rosetta, for example. dnl Can happen on Rosetta, for example.
AS_IF([echo "#[cfg(target_arch = \"$YJIT_TARGET_ARCH\")]\n fn main() { let x = 1; format!(\"{x}\"); }" | AS_IF([echo "#[cfg(target_arch = \"$YJIT_TARGET_ARCH\")] fn main() { let x = 1; format!(\"{x}\"); }" |
$RUSTC - --emit asm=/dev/null 2>/dev/null], $RUSTC - --emit asm=/dev/null 2>/dev/null],
[YJIT_RUSTC_OK=yes] [YJIT_RUSTC_OK=yes]
) )