CMake/Tests/RunCMake/project/LanguagesDuplicate.cmake at f2b438cb0afb577ee87c8bc2295ed3d263fc85f2 - CMake - Gitea - ZeroTwo

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friendlyanon b4fd385c9b cmMakefile: Dedupe languages when enabling them

cmMakefile::EnableLanguage() now deduplicates the languages argument and
emits an author warning listing the languages that were defined multiple
times in a single call.

Fixes: #23596

2022-06-30 23:37:05 +02:00

12 lines

282 B

CMake

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 cmake_policy(SET CMP0057 NEW)
 project(ProjectA C C C)
 project(ProjectB C C CXX CXX)
 get_property(langs GLOBAL PROPERTY ENABLED_LANGUAGES)
 foreach(lang C CXX)
   if(NOT lang IN_LIST langs)
     message(FATAL_ERROR "Expected language '${lang}' to be enabled.")
   endif()
 endforeach()