shithub: dav1d

Info  •  Files  •  Log  •  Branches

build: add option for fuzzer specific LDFLAGS

Needed for oss-fuzz after switching to '-fsanitize=fuzzer' for the
libfuzzer based build. Adding '-fsanitize=fuzzer' for all oss-fuzz based
build breaks afl.

--- a/meson_options.txt

+++ b/meson_options.txt

@@ -36,6 +36,10 @@

     value: 'none',

     description: 'Select the fuzzing engine')

+option('fuzzer_ldflags',

+    type: 'string',

+    description: 'Extra LDFLAGS used during linking of fuzzing binaries')

+

 option('stack_alignment',

     type: 'integer',

     value: 0)

--- a/tests/meson.build

+++ b/tests/meson.build

@@ -98,6 +98,10 @@

 dav1d_fuzzer_sources =  files('libfuzzer/dav1d_fuzzer.c')

 fuzzer_ldflags = []

+if get_option('fuzzer_ldflags') != ''

+    fuzzer_ldflags += [get_option('fuzzer_ldflags')]

+endif

+

 if fuzzing_engine == 'none'

     dav1d_fuzzer_sources += files('libfuzzer/main.c')

 elif fuzzing_engine == 'libfuzzer'

@@ -104,7 +108,7 @@

     fuzzer_ldflags += ['-fsanitize=fuzzer']

 elif fuzzing_engine == 'oss-fuzz'

     # libFuzzingEngine needs libc++

-    fuzzer_ldflags += ['-fsanitize=fuzzer', '-lFuzzingEngine', '-lc++']

+    fuzzer_ldflags += ['-lc++']

 endif

 dav1d_fuzzer = executable('dav1d_fuzzer',