CheckLanguage

CheckLanguage

Check if a language can be enabled

Usage:

check_language(<lang>)

where <lang> is a language that may be passed to enable_language() such as “Fortran”. If CMAKE_<lang>_COMPILER is already defined the check does nothing. Otherwise it tries enabling the language in a test project. The result is cached in CMAKE_<lang>_COMPILER as the compiler that was found, or NOTFOUND if the language cannot be enabled.

Example:

check_language(Fortran)
if(CMAKE_Fortran_COMPILER)
  enable_language(Fortran)
else()
  message(STATUS "No Fortran support")
endif()

© 2000–2017 Kitware, Inc. and Contributors
Licensed under the BSD 3-clause License.
https://cmake.org/cmake/help/v3.7/module/CheckLanguage.html

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