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-rw-r--r--Modules/WriteCompilerDetectionHeader.cmake10
1 files changed, 8 insertions, 2 deletions
diff --git a/Modules/WriteCompilerDetectionHeader.cmake b/Modules/WriteCompilerDetectionHeader.cmake
index 0464e66..d9ab9fb 100644
--- a/Modules/WriteCompilerDetectionHeader.cmake
+++ b/Modules/WriteCompilerDetectionHeader.cmake
@@ -386,6 +386,13 @@ function(write_compiler_detection_header
endif()
foreach(_lang ${_langs})
+ set(target_compilers)
+ foreach(compiler ${_WCD_COMPILERS})
+ _load_compiler_variables(${compiler} ${_lang} ${${_lang}_features})
+ if(_cmake_oldestSupported_${compiler})
+ list(APPEND target_compilers ${compiler})
+ endif()
+ endforeach()
get_property(known_features GLOBAL PROPERTY CMAKE_${_lang}_KNOWN_FEATURES)
foreach(feature ${${_lang}_features})
@@ -408,8 +415,7 @@ function(write_compiler_detection_header
set(file_content "${file_content}${ID_CONTENT}\n")
set(pp_if "if")
- foreach(compiler ${_WCD_COMPILERS})
- _load_compiler_variables(${compiler} ${_lang} ${${_lang}_features})
+ foreach(compiler ${target_compilers})
set(file_content "${file_content}\n# ${pp_if} ${prefix_arg}_COMPILER_IS_${compiler}\n")
if(_WCD_OUTPUT_FILES_VAR)