libfaketime compilation fails with gcc 8.1.0

[azmeuk]

It seems compilation does not work with gcc 8.1.0.

$ gcc --version
gcc (GCC) 8.1.0

$ make -C libfaketime/vendor/libfaketime                                                                                                                                                                                                                                                                             
make: Entering directory '/home/eloi/dev/python-libfaketime/libfaketime/vendor/libfaketime'
make  -C src all
make[1]: Entering directory '/home/eloi/dev/python-libfaketime/libfaketime/vendor/libfaketime/src'
cc -o faketime -std=gnu99 -Wall -Wextra -Werror -Wno-nonnull-compare -fPIC -DPREFIX='"'/usr/local'"' -DLIBDIRNAME='"'/lib/faketime'"'  faketime.c -lpthread -Wl,--version-script=libfaketime.map -lrt
faketime.c: In function 'main':
faketime.c:289:45: error: '%s' directive output may be truncated writing up to 4095 bytes into a region of size between 0 and 4095 [-Werror=format-truncation=]
     snprintf(shared_objs, PATH_BUFSIZE, "%s %s", sem_name, shm_name);
                                             ^~             ~~~~~~~~
faketime.c:289:5: note: 'snprintf' output between 2 and 8192 bytes into a destination of size 4096
     snprintf(shared_objs, PATH_BUFSIZE, "%s %s", sem_name, shm_name);
     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
cc1: all warnings being treated as errors
make[1]: *** [Makefile:98: faketime] Error 1
make[1]: Leaving directory '/home/eloi/dev/python-libfaketime/libfaketime/vendor/libfaketime/src'
make: *** [Makefile:7: all] Error 2
make: Leaving directory '/home/eloi/dev/python-libfaketime/libfaketime/vendor/libfaketime'

[simon-weber]

I've pulled in wolfcw/libfaketime#161 to my fork to fix this.