diff options
Diffstat (limited to 'flang-rt/unittests/CMakeLists.txt')
| -rw-r--r-- | flang-rt/unittests/CMakeLists.txt | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/flang-rt/unittests/CMakeLists.txt b/flang-rt/unittests/CMakeLists.txt index 5282196..831bc8a 100644 --- a/flang-rt/unittests/CMakeLists.txt +++ b/flang-rt/unittests/CMakeLists.txt @@ -60,6 +60,27 @@ function(add_flangrt_unittest_offload_properties target) endif() endfunction() +# flang-rt on Windows requires compiler-rt for some symbols. For binaries built +# with flang this dependency is added by the flang driver, but since the unit +# tests are built with clang we need to add the dependency manually. +function(add_flangrt_dependent_libs target) + if (MSVC AND CMAKE_CXX_COMPILER_ID MATCHES "Clang") + if (FLANG_RT_BUILTINS_LIBRARY) + target_compile_options(${target} PRIVATE "$<$<COMPILE_LANGUAGE:CXX,C>:-Xclang>" "$<$<COMPILE_LANGUAGE:CXX,C>:--dependent-lib=${FLANG_RT_BUILTINS_LIBRARY}>") + endif () + endif () + if (MSVC AND CMAKE_Fortran_COMPILER_ID STREQUAL "LLVMFlang") + if (FLANG_RT_BUILTINS_LIBRARY) + target_compile_options(${target} PRIVATE "$<$<COMPILE_LANGUAGE:Fortran>:-Xflang>" "$<$<COMPILE_LANGUAGE:Fortran>:--dependent-lib=${FLANG_RT_BUILTINS_LIBRARY}>") + else () + message(WARNING "Did not find libclang_rt.builtins.lib. + LLVM may emit builtins that are not implemented in msvcrt/ucrt and + instead falls back to builtins from Compiler-RT. Linking with ${tgtname} + may result in a linker error.") + endif () + endif () +endfunction() + function(add_flangrt_unittest test_dirname) cmake_parse_arguments(ARG @@ -72,6 +93,7 @@ function(add_flangrt_unittest test_dirname) target_link_libraries(${test_dirname} PRIVATE ${ARG_LINK_LIBS}) add_flangrt_unittest_offload_properties(${test_dirname}) + add_flangrt_dependent_libs(${test_dirname}) # Required because LLVMSupport is compiled with this option. # FIXME: According to CMake documentation, this is the default. Why is it @@ -99,6 +121,7 @@ function(add_flangrt_nongtest_unittest test_name) set_target_properties(${test_name}${suffix} PROPERTIES FOLDER "Flang-RT/Tests/Unit") target_link_libraries(${test_name}${suffix} PRIVATE NonGTestTesting ${ARG_LINK_LIBS}) + add_flangrt_dependent_libs(${test_name}${suffix}) if(NOT ARG_SLOW_TEST) add_dependencies(FlangRTUnitTests ${test_name}${suffix}) |