=> Bootstrap dependency digest>=20010302: found digest-20160304
=> Checksum SHA1 OK for snobol4-1.3bis/snobol4-1.3.tar.gz
=> Checksum RMD160 OK for snobol4-1.3bis/snobol4-1.3.tar.gz
=> Checksum SHA512 OK for snobol4-1.3bis/snobol4-1.3.tar.gz
=> Checksum SHA1 OK for snobol4-1.3bis/vanilla.tar.gz
=> Checksum RMD160 OK for snobol4-1.3bis/vanilla.tar.gz
=> Checksum SHA512 OK for snobol4-1.3bis/vanilla.tar.gz
===> Installing dependencies for snobol-1.3nb1
===> Overriding tools for snobol-1.3nb1
===> Extracting for snobol-1.3nb1
===> Patching for snobol-1.3nb1
=> Applying pkgsrc patches for snobol-1.3nb1
=> Substituting "snobol-config" in Makefile
===> Creating toolchain wrappers for snobol-1.3nb1
===> Configuring for snobol-1.3nb1
using CC environment variable
checking if cc is gcc
conf22212.c:1:1: warning: type specifier missing, defaults to 'int' [-Wimplicit-int]
main() {
^
conf22212.c:3:5: warning: implicitly declaring library function 'exit' with type 'void (int) __attribute__((noreturn))'
    exit(0);
    ^
conf22212.c:3:5: note: include the header <stdlib.h> or explicitly provide a declaration for 'exit'
2 warnings generated.
yes it is
using gcc
checking sizes of C types
conf22212.c:3:1: warning: type specifier missing, defaults to 'int' [-Wimplicit-int]
main() {
^
conf22212.c:6:5: warning: implicitly declaring library function 'exit' with type 'void (int) __attribute__((noreturn))'
    exit(0);
    ^
conf22212.c:6:5: note: include the header <stdlib.h> or explicitly provide a declaration for 'exit'
2 warnings generated.
sizeof(int) = 4
sizeof(void *) = 4
sizeof(long) = 4
sizeof(double) = 8
using ANSI stdlib.h
using POSIX unistd.h
using getrusage() for runtimes
using ranlib
using uname(2) for system name information
using BSD strings.h
using ANSI string.h
using system provided bzero() function
using getaddrinfo for TCP/IPv6 compatibility
using private bindresvport_sa() function
using private popen() function
using paths.h for popen() shell path
using vfork() from unistd.h
using termios.h for tty modes
using system provided getopt() function
using dlopen() for LOAD() support
using fseeko for file positioning
using madvise() during GC
using POSIX suspend.c
using /usr/include/ndbm.h for DBM support
using CFLAGS environment variable
using LDFLAGS environment variable
using /usr/bin/install for make install