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

To have it properly complain on empty statements with no effect. Ref: #6376 Closes #6378
2020-12-26 16:41:09 +01:00 · 2020-12-26 16:41:09 +01:00 · 26e46617b9
parent b9746575a9
commit 26e46617b9
1 changed files with 1 additions and 0 deletions
--- a/m4/curl-compilers.m4
+++ b/m4/curl-compilers.m4
@ -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
        ;;