Errors when compiling libmame

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I have some errors while compiling libmame:

Compiling src/version.c...
src/version.c:41:30: error: C++11 requires a space between string literal and macro [-Werror=c++11-compat]
   41 | const char build_version[] = "0.146 ("__DATE__")";
      |                              ^
cc1plus: all warnings being treated as errors
make: *** [makefile:870: obj/posix64/version.o] Error 1


Compiling src/lib/util/aviio.c...
src/lib/util/aviio.c: In function ‘avi_error read_movie_data(avi_file*)’:
src/lib/util/aviio.c:1262:2: error: this ‘if’ clause does not guard... [-Werror=misleading-indentation]
 1262 |  if (avierr != AVIERR_NONE)
      |  ^~
src/lib/util/aviio.c:1266:3: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the ‘if’
 1266 |   avierr = find_first_chunk(file, CHUNKTYPE_AVIH, &hdrl, &avih);
      |   ^~~~~~
cc1plus: all warnings being treated as errors
make: *** [makefile:870: obj/posix64/lib/util/aviio.o] Error 1