Move FUZZING definition from toolkit to js.

1 files changed, 24 insertions, 0 deletions

diff --git a/js/moz.configure b/js/moz.configure
index 0eeb2fc52e..eadd0e9ab3 100644
--- a/js/moz.configure
+++ b/js/moz.configure
@@ -236,3 +236,27 @@ def ctypes_and_compile_environment(ctypes, compile_environment, _):
     return ctypes and compile_environment
 
 include('ffi.configure', when=ctypes_and_compile_environment)
+
+# Support various fuzzing options
+# ==============================================================
+with only_when('--enable-compile-environment'):
+    option('--enable-fuzzing', help='Enable fuzzing support')
+
+    @depends('--enable-fuzzing')
+    def enable_fuzzing(value):
+        if value:
+            return True
+
+    @depends(enable_fuzzing,
+             try_compile(body='__AFL_COMPILER;',
+                         check_msg='for AFL compiler',
+                         when='--enable-fuzzing'))
+    def enable_libfuzzer(fuzzing, afl):
+        if fuzzing and not afl:
+            return True
+
+    set_config('FUZZING', enable_fuzzing)
+    set_define('FUZZING', enable_fuzzing)
+
+    set_config('LIBFUZZER', enable_libfuzzer)
+    set_define('LIBFUZZER', enable_libfuzzer)