[glib: 1/2] Introduce oss_fuzz feature option

[Philip Withnall <pwithnall src gnome org>]

commit 92043cf077e33814a55cd1a77cae8eb57af3f6d1
Author: pdknsk <pdknsk gmail com>
Date:   Wed Mar 13 11:47:36 2019 +0000

    Introduce oss_fuzz feature option

 fuzzing/meson.build | 2 +-
 meson_options.txt   | 5 +++++
 2 files changed, 6 insertions(+), 1 deletion(-)
---
diff --git a/fuzzing/meson.build b/fuzzing/meson.build
index 16878fedf..7fdd8c909 100644
--- a/fuzzing/meson.build
+++ b/fuzzing/meson.build
@@ -13,7 +13,7 @@ extra_c_args = cc.get_supported_arguments('-Werror=unused-function')
 
 # Links in a static library provided by oss-fuzz, else a standalone driver.
 # https://github.com/google/oss-fuzz/blob/master/docs/new_project_guide.md#buildsh-script-environment
-fuzzing_engine = cxx.find_library('FuzzingEngine', required : false)
+fuzzing_engine = cxx.find_library('FuzzingEngine', required : get_option('oss_fuzz'))
 if fuzzing_engine.found()
   deps += fuzzing_engine
 else
diff --git a/meson_options.txt b/meson_options.txt
index 5c5b4dfe1..897d06607 100644
--- a/meson_options.txt
+++ b/meson_options.txt
@@ -89,3 +89,8 @@ option('nls',
        value : 'auto',
        yield: true,
        description : 'Enable native language support (translations)')
+
+option('oss_fuzz',
+       type : 'feature',
+       value : 'disabled',
+       description : 'Indicate oss-fuzz build environment')