# Green Hills MULTI

New in version 3.3.

New in version 3.15: Linux support.

Generates Green Hills MULTI project files (experimental, work-in-progress).

Customizations are available through the following cache variables:

- `GHS_CUSTOMIZATION`

- `GHS_GPJ_MACROS`

New in version 3.14: The buildsystem has predetermined build-configuration settings that can be controlled via the `CMAKE_BUILD_TYPE` variable.

## Toolset and Platform Selection

New in version 3.13.

Customizations that are used to pick toolset and target system:

- The `-A <arch>` can be supplied for setting the target architecture. `<arch>` usually is one of `arm`, `ppc`, `86`, etcetera. If the target architecture is not specified then the default architecture of `arm` will be used.

- The `-T <toolset>` option can be used to set the directory location of the toolset. Both absolute and relative paths are valid. Relative paths use `GHS_TOOLSET_ROOT` as the root. If the toolset is not specified then the latest toolset found in `GHS_TOOLSET_ROOT` will be used.

Cache variables that are used for toolset and target system customization:

- `GHS_TARGET_PLATFORM`

  Defaults to `integrity`.
  Usual values are `integrity`, `threadx`, `uvelosity`, `velosity`, `vxworks`, `standalone`.

- `GHS_PRIMARY_TARGET`

  Sets `primaryTarget` entry in project file.
  Defaults to `<arch>_<GHS_TARGET_PLATFORM>.tgt`.

- `GHS_TOOLSET_ROOT`

  Root path for `toolset` searches.
  Defaults to `C:/ghs` in Windows or `/usr/ghs` in Linux.

- `GHS_OS_ROOT`

  Root path for RTOS searches.
  Defaults to `C:/ghs` in Windows or `/usr/ghs` in Linux.

- `GHS_OS_DIR` and `GHS_OS_DIR_OPTION`

  Sets `-os_dir` entry in project file.
  Defaults to latest platform OS installation at `GHS_OS_ROOT`. Set this value if a specific RTOS is to be used.
  `GHS_OS_DIR_OPTION` default value is `-os_dir`.

  New in version 3.15: The `GHS_OS_DIR_OPTION` variable.

- `GHS_BSP_NAME`

  Sets `-bsp` entry in project file.
  Defaults to `sim<arch>` for `integrity` platforms.

## Target Properties

New in version 3.14.

The following properties are available:

- `GHS_INTEGRITY_APP`

- `GHS_NO_SOURCE_GROUP_FILE`

Note

This generator is deemed experimental as of CMake 3.20.3 and is still a work in progress. Future versions of CMake may make breaking changes as the generator matures.