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configure: set -Wextra-semi-stmt for clang with --enable-debug

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To have it properly complain on empty statements with no effect.

Ref: #6376
Closes #6378
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Daniel Stenberg 2020-12-26 16:41:09 +01:00
parent b9746575a9
commit 26e46617b9
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m4/curl-compilers.m4
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@ -948,6 +948,7 @@ AC_DEFUN([CURL_SET_COMPILER_WARNING_OPTS], [
dnl clang 7 or later
if test "$compiler_num" -ge "700"; then
CURL_ADD_COMPILER_WARNINGS([tmp_CFLAGS], [assign-enum])
CURL_ADD_COMPILER_WARNINGS([tmp_CFLAGS], [extra-semi-stmt])
fi
fi
;;