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CMake setting reference

This section references all settings that can be used with Cahute’s CMake settings.

CMake built-in settings

The following variables can be used with every CMake project, and described amongst others in cmake-variables(7), but may be described with information more relevant to Cahute here.

CMAKE_BUILD_TYPE

Build type. Commonly found values with Cahute are the following:

Debug

Non-optimized output with debug symbols and no binary stripping.

Release

Optimized output.

Note

As described in the CMake package guidelines for Archlinux, CMake automatically forces -O3 when Release is selected. Cahute overrides this with -O2 instead.

CMAKE_INSTALL_PREFIX

Install prefix.

In the build from source guides, it is recommended to set this to /usr rather than the default /usr/local value.

CMAKE_VERBOSE_MAKEFILE

Optional switch to set to ON to see the commands executed when building the project.

Cahute-specific general settings

The following variables are specific to Cahute.

CAHUTE_CLI

Enable command-line utilities.

This is enabled by default.

CAHUTE_CLI_EXPERIMENTAL

Enable experimental / unfinished command-line utilities.

This is disabled by default.

CAHUTE_DEFAULT_LOGLEVEL

Default logging level used when creating a context, among debug info, warning (by default), error, fatal and none.

See Logging facilities for more information.

CAHUTE_GIT

Include git-related information to the built targets, i.e. if the source directory is a git repository with at least one commit on the current branch, the following macros will be defined and included in the headers:

• CAHUTE_GIT_COMMIT;

• CAHUTE_GIT_BRANCH;

• CAHUTE_GIT_TAGGED;

• CAHUTE_GIT_DIRTY.

This is enabled by default.

CAHUTE_LIBUSB

Enable the use of libusb.

Note

This will be ignored on Win32, since Cahute needs to support drivers libusb doesn’t.

This is enabled by default on platforms libusb support.

CAHUTE_PKGCONF

Enable installing pkgconf / pkg-config files.

This is supported by default.

CAHUTE_REPORT_URL

URL to the bug reporting guide included within the library and command-line utilities.

CAHUTE_SDL

Enable the use of SDL.

This is enabled by default on platforms SDL2 support.

CAHUTE_UDEV

Enable building and installing the udev rule.

This is enabled by default when building for Linux.

CAHUTE_UDEV_GROUP

Name of the group to which the udev rule gives permission to calculators plugged in via USB.

It is recommended to set the same group here as for normal serial devices, as defined by your distribution.

The Linux Standard Base groups defines uucp and the Archlinux user groups use it for serial devices, other distributions use other groups such as dialout; see the following for more information:

• Debian system groups;

• Void Linux default groups.

This is set to uucp by default.

Cahute-specific command-line utility switches

Most command-line utilities in Cahute can be enabled using the CAHUTE_CLI setting.

However, they can also be individually enabled using the following switches:

CAHUTE_CLI_P7

Enable building p7.

CAHUTE_CLI_P7OS

Enable building p7os.

CAHUTE_CLI_P7SCREEN

Enable building p7screen.

CAHUTE_CLI_XFER9860

Enable building xfer9860.

Cahute-specific experimental command-line utility switches

Some command-line utilities in Cahute are considered experimental (not fully implemented), and can be enabled by enabling both the CAHUTE_CLI and CAHUTE_CLI_EXPERIMENTAL settings.

However, they can also be individually enabled using the following switches:

CAHUTE_CLI_CAS

Enable building CaS.