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cxx: disable filesystem library discovery

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This commit is contained in:
Danny Robson 2019-10-22 12:00:50 +11:00
parent ff58436a98
commit 985fe7fe48
1 changed files with 23 additions and 23 deletions
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46
nc_cxx.cmake
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@ -40,29 +40,29 @@ append_compile_flag ("-stdlib=libc++")
# hardcoded guess and doesn't respect _all_ the system paths; specifically
# something like /usr/lib/gcc/x86_64-pc-linux-gnu/6.3.0/libstdc++.so won't get
# discovered.
if (NOT DEFINED __nc_cxx_stdcxxfs)
foreach(lib "" "c++fs" "c++experimental" "stdc++fs")
message (STATUS "Trying c++fs library '${lib}'")
try_compile(
__nc_cxx_stdcxxfs ${CMAKE_CURRENT_BINARY_DIR}
SOURCES
${NC_CMAKE_BASE}/nc_cxx_stdcxxfs.cpp
LINK_LIBRARIES
${lib}
)
if (__nc_cxx_stdcxxfs)
set (__nc_cxx_stdcxxfs "${lib}" CACHE INTERNAL "library required for c++ filesystem")
break ()
endif ()
endforeach()
if (NOT DEFINED __nc_cxx_stdcxxfs)
message (FATAL_ERROR "Could not locate the required c++fs library")
endif ()
message (STATUS "Using c++fs library ${__nc_cxx_stdcxxfs}")
endif ()
#if (NOT DEFINED __nc_cxx_stdcxxfs)
# foreach(lib "" "c++fs" "c++experimental" "stdc++fs")
# message (STATUS "Trying c++fs library '${lib}'")
# try_compile(
# __nc_cxx_stdcxxfs ${CMAKE_CURRENT_BINARY_DIR}
# SOURCES
# ${NC_CMAKE_BASE}/nc_cxx_stdcxxfs.cpp
# LINK_LIBRARIES
# ${lib}
# )
#
# if (__nc_cxx_stdcxxfs)
# set (__nc_cxx_stdcxxfs "${lib}" CACHE INTERNAL "library required for c++ filesystem")
# break ()
# endif ()
# endforeach()
#
# if (NOT DEFINED __nc_cxx_stdcxxfs)
# message (FATAL_ERROR "Could not locate the required c++fs library")
# endif ()
#
# message (STATUS "Using c++fs library ${__nc_cxx_stdcxxfs}")
#endif ()
set(NC_CXX_STDCXXFS ${__nc_cxx_stdcxxfs})