mimalloc-bench

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Trying to run build-bench-env.sh on a system with GCC 10.2.0 resulted in this error from sc:

--------------------------------------------
build sc: version master
--------------------------------------------

/tmp/mimalloc-bench/extern /tmp/mimalloc-bench
Cloning into 'scalloc'...
remote: Enumerating objects: 3308, done.
remote: Total 3308 (delta 0), reused 0 (delta 0), pack-reused 3308
Receiving objects: 100% (3308/3308), 1.03 MiB | 4.95 MiB/s, done.
Resolving deltas: 100% (2261/2261), done.
Already on 'master'
Your branch is up to date with 'origin/master'.
updating dependencies for scalloc

gyp... 

Cloning into 'build/gyp'...
remote: Total 18491 (delta 12809), reused 18491 (delta 12809)
Receiving objects: 100% (18491/18491), 8.60 MiB | 5.14 MiB/s, done.
Resolving deltas: 100% (12809/12809), done.

gyp... done
  CXX(target) out/Release/obj.target/scalloc/src/glue.o
In file included from src/platform/assert.h:8,
                 from src/arena.h:12,
                 from src/glue.h:12,
                 from src/glue.cc:5:
src/log.h: In function ‘void LogPrintf(int, const char*, const char*, ...)’:
src/log.h:51:10: error: ‘char* strncat(char*, const char*, size_t)’ specified bound 1 equals source length [-Werror=stringop-overflow=]
   51 |   strncat(buffer, ":", 1);
      |   ~~~~~~~^~~~~~~~~~~~~~~~
src/log.h:55:10: error: ‘char* strncat(char*, const char*, size_t)’ specified bound 1 equals source length [-Werror=stringop-overflow=]
   55 |   strncat(buffer, " ", 1);
      |   ~~~~~~~^~~~~~~~~~~~~~~~
src/log.h:75:10: error: ‘char* strncat(char*, const char*, size_t)’ specified bound 1 equals source length [-Werror=stringop-overflow=]
   75 |   strncat(buffer, "\n", 1);
      |   ~~~~~~~^~~~~~~~~~~~~~~~~
src/log.h:70:12: error: ‘char* strncpy(char*, const char*, size_t)’ output truncated before terminating nul copying 3 bytes from a string of the same length [-Werror=stringop-truncation]
   70 |     strncpy(rest_start + (rest - strlen(truncate_suffix)),
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   71 |             truncate_suffix,
      |             ~~~~~~~~~~~~~~~~
   72 |             strlen(truncate_suffix));
      |             ~~~~~~~~~~~~~~~~~~~~~~~~
src/log.h:49:10: error: ‘char* strncat(char*, const char*, size_t)’ specified bound depends on the length of the source argument [-Werror=stringop-overflow=]
   49 |   strncat(buffer, file, strlen(file));
      |   ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/log.h:53:10: error: ‘char* strncat(char*, const char*, size_t)’ specified bound depends on the length of the source argument [-Werror=stringop-overflow=]
   53 |   strncat(buffer, line_buffer, strlen(line_buffer));
      |   ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
cc1plus: all warnings being treated as errors
make: *** [scalloc.target.mk:118: out/Release/obj.target/scalloc/src/glue.o] Error 1

Yeah, their make is passing a flag to treat warnings as errors to there is not much I can do..

You might consider disabling it by default, until it's fixed.