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(AC_SYNCLINES_COMPILE): Accept any nonzero
exit status as failure, not just exit status 1. Sun C exits with status 2 sometimes.
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@@ -24,7 +24,7 @@ AT_BANNER([[User Actions.]])
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# Compile FILE expecting an error, and save in the file stdout the normalized
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# output.
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m4_define([AT_SYNCLINES_COMPILE],
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[AT_CHECK([$CC $CFLAGS $CPPFLAGS $1 -c], 1, [], [stderr])
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[AT_CHECK([$CC $CFLAGS $CPPFLAGS -c $1 || (exit 1)], 1, [], [stderr])
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# In case GCC displays column information, strip it down.
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#
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# input.y:4:2: #error "4" or input.y:4.2: #error "4"
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