build-info(n) Tcl Built-In Commands build-info(n)

```

```

# [NAME](#NAME)

buildinfo - Build info

# [SYNOPSIS](#SYNOPSIS)

**::tcl::build-info** ?*field*?

```

```

# [DESCRIPTION](#DESCRIPTION)

This command provides a way to retrieve information about how Tcl was built. Without any options, the command returns the Tcl patchlevel, followed by the '+'-sign, followed by the fossil commit-id followed by a list of dot-separated tags. If a *field* is given, this command extracts that field as described below. Any other *field* value not mentioned below will always return "0". For official Tcl releases, the *field*s are:

**::tcl::build-info clang**

Returns the clang version number (as 4 digits) if Tcl is compiled with clang, 0 otherwise.

**::tcl::build-info commit**

Returns the fossil commit-id where Tcl was built from.

**::tcl::build-info compiledebug**

Returns 1 if Tcl is compiled with **-DTCL\_COMPILE\_DEBUG**, 0 otherwise.

**::tcl::build-info compiler**

Returns the compiler name (either clang, gcc, icc or msvc), followed by a dash and a (4-digit) version number.

**::tcl::build-info compilestats**

Returns 1 if Tcl is compiled with **-DTCL\_COMPILE\_STATS**, 0 otherwise.

**::tcl::build-info cplusplus**

Returns 1 if Tcl is compiled with a C++ compiler, 0 otherwise.

**::tcl::build-info debug**

Returns 1 if Tcl is not compiled with **-DNDEBUG**, 0 otherwise.

**::tcl::build-info gcc**

Returns the gcc version number (as 4 digits) if Tcl is compiled with gcc, 0 otherwise.

**::tcl::build-info icc**

Returns the icc version number (as 4 digits) if Tcl is compiled with icc, 0 otherwise.

**::tcl::build-info ilp32**

Returns 1 if Tcl is compiled such that integers, longs and pointers are all 32-bit, 0 otherwise.

**::tcl::build-info memdebug**

Returns 1 if Tcl is compiled with **-DTCL\_MEM\_DEBUG**, 0 otherwise.

**::tcl::build-info msvc**

Returns the msvc version number (as 4 digits) if Tcl is compiled with msvc, 0 otherwise.

**::tcl::build-info nmake**

Returns 1 if Tcl is built using nmake, 0 otherwise.

**::tcl::build-info no-deprecate**

Returns 1 if Tcl is compiled with **-DTCL\_NO\_DEPRECATED**, 0 otherwise.

**::tcl::build-info no-thread**

Returns 1 if Tcl is compiled with **-DTCL\_THREADS=0**, 0 otherwise.

**::tcl::build-info no-optimize**

Returns 1 if Tcl is not compiled with **-DTCL\_CFG\_OPTIMIZED**, 0 otherwise.

**::tcl::build-info objective-c**

Returns 1 if Tcl is compiled with an objective-c compiler, 0 otherwise.

**::tcl::build-info objective-cplusplus**

Returns 1 if Tcl is compiled with an objective-c++ compiler, 0 otherwise.

**::tcl::build-info patchlevel**

Returns the Tcl patchlevel, same as **info patchlevel**.

**::tcl::build-info profile**

Returns 1 if Tcl is compiled with **-DTCL\_CFG\_PROFILED**, 0 otherwise.

**::tcl::build-info purify**

Returns 1 if Tcl is compiled with **-DPURIFY**, 0 otherwise.

**::tcl::build-info static**

Returns 1 if Tcl is compiled as a static library, 0 otherwise.

**::tcl::build-info tommath**

Returns the libtommath version number (as 4 digits) if libtommath is built into Tcl, 0 otherwise.

**::tcl::build-info version**

Returns the Tcl version, same as **info tclversion**.

**::tcl::build-info zlib**

Returns the zlib version number (as 4 digits) if zlib is built into Tcl, 0 otherwise.

# [EXAMPLES](#EXAMPLES)

These show the use of **::tcl::build-info**.

```
::tcl::build-info


     → 9.0.2+af16c07b81655fabde8028374161ad54b84ef9956843c63f49976b4ef601b611.gcc-1204
::tcl::build-info commit


     → af16c07b81655fabde8028374161ad54b84ef9956843c63f49976b4ef601b611
::tcl::build-info compiler


     → gcc-1204
::tcl::build-info gcc


     → 1204
::tcl::build-info version


     → 9.0
::tcl::build-info patchlevel


     → 9.0.2
```

# [SEE ALSO](#SEE_ALSO)

[info(n)](/man/os/tcl/info.n)

# [KEYWORDS](#KEYWORDS)

build-info

9.0 Tcl

---

Document: buildinfo(n) from tcl 9.1.0-r1 (Chainguard OS)
Source: https://downloads.sourceforge.net/project/tcl/Tcl/9.1.0/tcl9.1.0-src.tar.gz