Configuring for a x86_64-unknown-linux-gnu ...
gcc found
The C compiler is ANSI-compliant.
Checking the sizes of integers and pointers...
Wow! A 64 bit architecture!
This is a little-endian architecture.
Doubles can be word-aligned.
64-bit integers can be word-aligned.
Native division and modulus have round-towards-zero semantics,
will use them.
ranlib found
#! appears to work in shell scripts
POSIX signal handling found.
expm1(), log1p(), hypot(), copysign() found.
getrusage() found.
times() found.
termcap functions found (with libraries '-lcurses')
You have BSD sockets.
socklen_t is defined in <sys/socket.h>
inet_aton() found.
IPv6 is supported.
unistd.h found.
off_t is defined in <sys/types.h>
dirent.h found.
rewinddir() found.
lockf() found.
mkfifo() found.
getcwd() found.
getwd() found.
getpriority() found.
utime() found.
utimes() found.
dup2() found.
fchmod() found.
truncate() found.
sys/select.h found.
select() found.
symlink() found.
waitpid() found.
wait4() found.
getgroups() found.
setgroups() found.
initgroups() found.
POSIX termios found.
Asynchronous I/O are supported.
setitimer() found.
gethostname() found.
uname() found.
gettimeofday() found.
mktime() found.
setsid() found.
putenv() found.
setlocale() and <locale.h> found.
dlopen() found in -ldl.
Dynamic loading of shared libraries is supported.
mmap() found.
pwrite() found
gethostbyname_r() found (with 6 arguments).
gethostbyaddr_r() found (with 8 arguments).
Replay debugger supported.
System stack overflow can be detected.
POSIX threads library supported.
Options for linking with POSIX threads: -lpthread
sigwait() found
Bytecode threads library supported.
X11 works
Options for compiling for X11: 
Options for linking with X11: -L/usr/lib/x86_64-linux-gnu -lX11
Configuring LablTk...
tcl.h and/or tk.h not found.
Configuration failed, LablTk will not be built.
BFD library not found, 'objinfo' will be unable to display info on .cmxs files
Assembler supports CFI

** Configuration summary **

Directories where OCaml will be installed:
        binaries.................. /usr/local/bin
        standard library.......... /usr/local/lib/ocaml
        manual pages.............. /usr/local/man (with extension .1)
Configuration for the bytecode compiler:
        C compiler used........... gcc
        options for compiling..... -fno-defer-pop -Wall -D_FILE_OFFSET_BITS=64 -D_REENTRANT
        options for linking.......  -Wl,-E  -lm  -ldl -lcurses -lpthread
        shared libraries are supported
        options for compiling..... -fPIC -fno-defer-pop -Wall -D_FILE_OFFSET_BITS=64 -D_REENTRANT
        command for building...... gcc -shared -o lib.so -Wl,-rpath,/a/path objs
Configuration for the native-code compiler:
        hardware architecture..... amd64
        OS variant................ linux
        C compiler used........... gcc
        options for compiling..... -Wall -D_FILE_OFFSET_BITS=64 -D_REENTRANT
        options for linking.......   -lm
        assembler ................ as
        preprocessed assembler ... gcc -c
        assembler supports CFI ... yes
        with frame pointers....... no
        native dynlink ........... true
        profiling with gprof ..... supported
Source-level replay debugger: supported
Additional libraries supported:
        unix str num dynlink bigarray systhreads threads graph
Configuration for the "num" library:
        target architecture ...... amd64 (asm level 1)
Configuration for the "graph" library:
        options for compiling .... 
        options for linking ...... -L/usr/lib/x86_64-linux-gnu -lX11
The "labltk" library: not supported

** OCaml configuration completed successfully **