report that we export certain vars to be set

Change-Id: I3a71542da943a689ab734507c811087caa427a1c

1 files changed, 6 insertions, 1 deletions

diff --git a/bin/oss-fuzz-build.sh b/bin/oss-fuzz-build.sh
index c4084b5893f5..2c54e13e392b 100755
--- a/bin/oss-fuzz-build.sh
+++ b/bin/oss-fuzz-build.sh
@@ -1,4 +1,9 @@
-#!/bin/bash -eu
+#!/bin/bash -e
+
+if [ -z "${OUT}" ] || [ -z "${SRC}" ] || [ -z "${WORK}" ]; then
+    echo "OUT, SRC or WORK not set - script expects to be called inside oss-fuzz build env"
+    exit 1
+fi
 
 #shuffle CXXFLAGS -stdlib=libc++ arg into CXX as well because we use
 #the CXX as the linker and need to pass -stdlib=libc++ to build