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add debug option for enabling more output for failed cxxfeaturechecks (#1467)

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fixes #1466
This commit is contained in:
Dominic Hamon 2022-08-10 12:42:27 -07:00 committed by GitHub
parent 4366d66385
commit 77d1e74d29
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1 changed files with 7 additions and 1 deletions
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8
cmake/CXXFeatureCheck.cmake
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@ -17,6 +17,8 @@ if(__cxx_feature_check)
endif()
set(__cxx_feature_check INCLUDED)
option(CXXFEATURECHECK_DEBUG OFF)
function(cxx_feature_check FILE)
string(TOLOWER ${FILE} FILE)
string(TOUPPER ${FILE} VAR)
@ -64,7 +66,11 @@ function(cxx_feature_check FILE)
add_definitions(-DHAVE_${VAR})
else()
if(NOT COMPILE_${FEATURE})
message(STATUS "Performing Test ${FEATURE} -- failed to compile: ${COMPILE_OUTPUT_VAR}")
if(CXXFEATURECHECK_DEBUG)
message(STATUS "Performing Test ${FEATURE} -- failed to compile: ${COMPILE_OUTPUT_VAR}")
else()
message(STATUS "Performing Test ${FEATURE} -- failed to compile")
endif()
else()
message(STATUS "Performing Test ${FEATURE} -- compiled but failed to run")
endif()