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CompilerId: Output errors from all attempts at detection

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Instead of printing the output of the last attempt, print
the output of all attempts. This shows users that CMake isn't ignoring any provided flags ( LANG_FLAGS ).
This commit is contained in:
Robert Maynard
2022-08-16 11:59:46 -04:00
parent 9ce5018be9
commit 9c5bd7fe3a
1 changed files with 6 additions and 2 deletions
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8
Modules/CMakeDetermineCompilerId.cmake
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@@ -720,7 +720,7 @@ Id flags: ${testflags} ${CMAKE_${lang}_COMPILER_ID_FLAGS_ALWAYS}
OR CMAKE_${lang}_COMPILER_ID_OUTPUT MATCHES "warning #5117: Bad # preprocessor line"
)
# Compilation failed.
set(MSG
string(APPEND _CMAKE_DETERMINE_COMPILER_ID_BUILD_MSG
"Compiling the ${lang} compiler identification source file \"${src}\" failed.
${COMPILER_DESCRIPTION}
The output was:
@@ -736,7 +736,11 @@ ${CMAKE_${lang}_COMPILER_ID_OUTPUT}
# Some languages may know the correct/desired set of flags and want to fail right away if they don't work.
# This is currently only used by CUDA.
if(__compiler_id_require_success)
message(FATAL_ERROR "${MSG}")
message(FATAL_ERROR "${_CMAKE_DETERMINE_COMPILER_ID_BUILD_MSG}")
else()
# Build up the outputs for compiler detection attempts so that users
# can see all set of flags tried, instead of just last
set(_CMAKE_DETERMINE_COMPILER_ID_BUILD_MSG "${_CMAKE_DETERMINE_COMPILER_ID_BUILD_MSG}" PARENT_SCOPE)
endif()
# No output files should be inspected.