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build: Simplify __builtin_ctz check code #1981

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build: Simplify __builtin_ctz check code #1981

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2 changes: 1 addition & 1 deletion configure.ac
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Original file line number Diff line number Diff line change
Expand Up @@ -352,7 +352,7 @@ AC_MSG_CHECKING(for __builtin_ctz)
AC_LINK_IFELSE(
[AC_LANG_PROGRAM(
[],
[[volatile int test_ctz = __builtin_ctz(1); (void)test_ctz; /* Supported in GCC 3.4 or later */]]
[[return __builtin_ctz(1U); /* Supported in GCC 3.4 or later */]]
)],
AC_DEFINE([HAVE_BUILTIN_CTZ], 1, [Define to 1 if the compiler supports '__builtin_ctz' function.])
AC_MSG_RESULT(yes),
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