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-rw-r--r--docs/env_variables.md5
1 files changed, 5 insertions, 0 deletions
diff --git a/docs/env_variables.md b/docs/env_variables.md
index d0789105..d1edb6fd 100644
--- a/docs/env_variables.md
+++ b/docs/env_variables.md
@@ -326,6 +326,11 @@ mode.
[instrumentation/README.instrument_list.md](../instrumentation/README.instrument_list.md)
for more information.
+ Setting `AFL_GCC_DISABLE_VERSION_CHECK=1` will disable the GCC plugin
+ version check if the target GCC plugin differs from the system-installed
+ version, resolving issues caused by version mismatches between GCC and
+ the plugin.
+
Setting `AFL_GCC_OUT_OF_LINE=1` will instruct afl-gcc-fast to instrument the
code with calls to an injected subroutine instead of the much more efficient
inline instrumentation.