Added oss-fuzz flag

Author: AdamKorcz

Diff for: jerry-main/CMakeLists.txt

@@ -59,7 +59,11 @@ endmacro()
 # Jerry with libfuzzer support
 if(JERRY_LIBFUZZER)
   jerry_create_executable("jerry-libfuzzer" "libfuzzer.c")
-  target_link_libraries("jerry-libfuzzer" jerry-port-default)
+  if(OSS_FUZZ)
+    target_link_libraries("jerry-libfuzzer" jerry-port-default)
+  else()
+    target_link_libraries("jerry-libfuzzer" jerry-port-default -fsanitize=fuzzer)
+  endif()
 endif()
 
 # Jerry standalones

Diff for: tools/build.py

@@ -96,6 +96,8 @@ def devhelp(helpstring):
                          help=devhelp('build test version of the jerry command line tool (%(choices)s)'))
     compgrp.add_argument('--libfuzzer', metavar='X', choices=['ON', 'OFF'], type=str.upper,
                          help=devhelp('build jerry with libfuzzer support (%(choices)s)'))
+    compgrp.add_argument('--oss-fuzz', metavar='X', choices=['ON', 'OFF'], type=str.upper,
+                         help=devhelp('build jerry to run on OSS-fuzz (%(choices)s)'))
     compgrp.add_argument('--jerry-ext', metavar='X', choices=['ON', 'OFF'], type=str.upper,
                          help='build jerry-ext (%(choices)s)')
     compgrp.add_argument('--jerry-libm', metavar='X', choices=['ON', 'OFF'], type=str.upper,
@@ -188,6 +190,7 @@ def build_options_append(cmakeopt, cliarg):
     build_options_append('JERRY_CMDLINE_SNAPSHOT', arguments.jerry_cmdline_snapshot)
     build_options_append('JERRY_CMDLINE_TEST', arguments.jerry_cmdline_test)
     build_options_append('JERRY_LIBFUZZER', arguments.libfuzzer)
+    build_options_append('OSS_FUZZ', arguments.oss_fuzz)
     build_options_append('JERRY_EXT', arguments.jerry_ext)
     build_options_append('JERRY_LIBM', arguments.jerry_libm)
     build_options_append('JERRY_PORT_DEFAULT', arguments.jerry_port_default)