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[2003:cc:cf02:6100:499a:2df:dfb9:f5bd]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-37895675bc9sm12540366f8f.56.2024.09.11.14.51.30 for (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 11 Sep 2024 14:51:30 -0700 (PDT) Message-Id: To: From: "Marvin Scholz" Date: Wed, 11 Sep 2024 23:09:34 +0200 Subject: [FFmpeg-devel] [PATCH v2] configure: fix symbol prefix detection X-BeenThere: ffmpeg-devel@ffmpeg.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: FFmpeg development discussions and patches List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: FFmpeg development discussions and patches MIME-Version: 1.0 Errors-To: ffmpeg-devel-bounces@ffmpeg.org Sender: "ffmpeg-devel" X-TUID: MK5vgZwptdeQ The symbol prefix check would incorrectly detect a bogus prefix in circumstances where sanitizers instrument the build, like when configuring with the clang-asan toolchain where it would detect the prefix as __odr_asan_gen_, which is obviously wrong. To fix this, adjust the prefix detection to only detect a one-character prefix, which is the only case that matters anywhere right now. --- configure | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) base-commit: 2e91532ead860651c135bdedd96b6112ff715529 diff --git a/configure b/configure index d3bd46f382a..7e84272b74b 100755 --- a/configure +++ b/configure @@ -6131,13 +6131,15 @@ enable_weak_pic() { enabled pic && enable_weak_pic test_cc <