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-rw-r--r--src/afl-as.c2
-rw-r--r--src/afl-gcc.c2
2 files changed, 2 insertions, 2 deletions
diff --git a/src/afl-as.c b/src/afl-as.c
index c116ac10..72a27cd2 100644
--- a/src/afl-as.c
+++ b/src/afl-as.c
@@ -510,7 +510,7 @@ int main(int argc, char** argv) {
 
   clang_mode = !!getenv(CLANG_ENV_VAR);
 
-  if (!getenv("AFL_QUIET")) {
+  if ((isatty(2) && !getenv("AFL_QUIET")) || getenv("AFL_DEBUG") != NULL) {
 
     SAYF(cCYA "afl-as" VERSION cRST " by Michal Zalewski\n");
 
diff --git a/src/afl-gcc.c b/src/afl-gcc.c
index ff53cc8d..60e0a7ce 100644
--- a/src/afl-gcc.c
+++ b/src/afl-gcc.c
@@ -380,7 +380,7 @@ int main(int argc, char** argv) {
 
   }
 
-  if (isatty(2) && !getenv("AFL_QUIET")) {
+  if ((isatty(2) && !getenv("AFL_QUIET")) || getenv("AFL_DEBUG") != NULL) {
 
     SAYF(cCYA "afl-cc" VERSION cRST " by Michal Zalewski\n");
     SAYF(cYEL "[!] " cBRI "NOTE: " cRST