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Do not error-out if file system lib not found

This commit is contained in:
Martchus 2019-06-07 16:44:04 +02:00
parent d9b4ca5381
commit 93bdf5b4f1
1 changed files with 4 additions and 3 deletions
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7
cmake/modules/3rdParty.cmake
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@ -308,14 +308,15 @@ function (use_standard_filesystem)
return ()
endif ()
# find the static version of the library
# note: Preferring the static version here because the ABI might not be stable. (stdc++fs seems to be only available as static lib anyways.)
# prefer the static version of the library because the ABI might not be stable
# note: stdc++fs seems to be only available as static lib anyways
configure_static_library_suffixes()
set(USED_SUFFIXES ${CMAKE_FIND_LIBRARY_SUFFIXES})
find_library(STANDARD_FILE_SYSTEM_LIBRARY "${REQUIRED_LIBRARY}")
configure_dynamic_library_suffixes()
if (NOT STANDARD_FILE_SYSTEM_LIBRARY)
message(FATAL_ERROR "Unable to find standard file system library \"${REQUIRED_LIBRARY}\" using CMAKE_FIND_LIBRARY_SUFFIXES \"${USED_SUFFIXES}\".")
# fallback to using -l if the library is hidden in some sub directory
set (STANDARD_FILE_SYSTEM_LIBRARY "-l${REQUIRED_LIBRARY}")
endif ()
message(STATUS "Linking ${META_PROJECT_NAME} against library \"${STANDARD_FILE_SYSTEM_LIBRARY}\" for std::filesystem support.")