[FFmpeg-cvslog] configure: add -fuzz support to --toolchain

[Kacper Michajłow]

ffmpeg | branch: master | Kacper Michajłow <kasper93 at gmail.com> | Thu Jul 17 03:07:26 2025 +0200| [e1665fd71d3623fca8bc2f2818e4cf548a059bf1] | committer: Kacper Michajłow

configure: add -fuzz support to --toolchain

libFuzzer is linked only for fuzzing targets.

Signed-off-by: Kacper Michajłow <kasper93 at gmail.com>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=e1665fd71d3623fca8bc2f2818e4cf548a059bf1
---

 configure | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/configure b/configure
index c1c492fe93..8207896a98 100755
--- a/configure
+++ b/configure
@@ -384,7 +384,7 @@ Toolchain options:
                            (<tool>[-sanitizer[-...]], e.g. clang-asan-ubsan
                            tools: gcc, clang, msvc, icl, gcov, llvm-cov,
                                   valgrind-memcheck, valgrind-massif, hardened
-                           sanitizers: asan, lsan, msan, tsan, ubsan)
+                           sanitizers: asan, fuzz, lsan, msan, tsan, ubsan)
   --nm=NM                  use nm tool NM [$nm_default]
   --ar=AR                  use archive tool AR [$ar_default]
   --as=AS                  use assembler AS [$as_default]
@@ -4624,6 +4624,11 @@ add_sanitizer_flags(){
             add_cflags  -fsanitize=address
             add_ldflags -fsanitize=address
         ;;
+        fuzz)
+            add_cflags  -fsanitize=fuzzer-no-link
+            add_ldflags -fsanitize=fuzzer-no-link
+            : "${libfuzzer_path:=-fsanitize=fuzzer}"
+        ;;
         lsan)
             add_cflags  -fsanitize=leak
             add_ldflags -fsanitize=leak